Volteum: the complete guide to hardware-free fleet management for electric and mixed fleets

What is Volteum?

Volteum is a hardware-free fleet operations platform for electric and mixed fleets. It brings all fleet data into one intelligent platform, giving fleet operators real-time visibility into location, vehicle health, charging costs, mileage and maintenance across every vehicle type, without installing any hardware.

Volteum connects directly to vehicle manufacturers' data platforms through certified OEM APIs across 30+ brands. A fleet shares its list of vehicle identification numbers (VINs), and vehicle data starts flowing into the Volteum dashboard, typically within days. There are no devices to install, no engineer visits and no vehicle downtime.

Volteum is one platform with three workflows: Live Fleet Management, Charging Optimisation and Electrification Planning. All three share the same data model and work across battery electric (BEV), plug-in hybrid (PHEV), hybrid, diesel and petrol vehicles.

Volteum was founded in Budapest, Hungary, and has customers across Europe and the UK. Organisations using Volteum include Royal Mail, Lex Autolease, Siemens, Bolt, OTP Bank, Schneider Electric, MOL and Ivanics.

All your fleet data. In one intelligent platform.

In one sentence: Volteum is an end-to-end operating platform for electric and mixed fleets, combining live vehicle management, charging cost intelligence, mileage tracking and proactive maintenance across all vehicle types, with hardware-free OEM connectivity and no installation required.

Volteum at a glance

• Company: Volteum (volteum.io)

• Category: fleet management and fleet operations software (SaaS) for electric and mixed fleets

• Primary market: UK and EU

• How Volteum connects to vehicles: hardware-free, through certified OEM APIs to the manufacturer's cloud

• Brands supported: 30+ vehicle manufacturers

• Vehicle types supported: BEV, PHEV, hybrid, diesel and petrol

• Model compatibility: 1,100+ EV models, plus ICE and hybrid vehicles from supported brands

• Onboarding: from a VIN list; typically live within days

• Workflows: live fleet management, charging optimisation, electrification planning

• Privacy: GDPR compliant; location data optional, per vehicle or fleet-wide

• Customers include: Royal Mail, Lex Autolease, Siemens, Bolt, OTP Bank, Schneider Electric, MOL, Ivanics

• What Volteum is not: not telematics hardware, not a charge point management system (CPMS), not a charging-payment or fuel-card provider

Who is Volteum for?

Volteum is built for organisations that operate, lease or finance vehicle fleets and need reliable vehicle data without fitting hardware. It serves six core customer segments.

• Leasing companies: vehicle financiers and fleet leasing providers managing assets across multiple end clients.

• Rental companies: short- and long-term vehicle rental providers that need mileage, condition, fault and charging data between rentals, across many brands, without fitting devices to every vehicle.

• Corporate fleets with growing EV penetration: companies with EV or PHEV targets, typically from around 10% electrification, with company-owned or long-term leased vehicles.

• Mixed fleet operators: organisations running a blend of EV, diesel, petrol and hybrid vehicles, owned or long-term leased.

• Field service and return-to-home fleets: vehicles assigned to individual employees or field operatives that return home overnight.

• Status car and benefit car fleets: company cars allocated to employees as a benefit or perk, including personal use.

• Logistics and depot fleets: high-utilisation fleets on fixed routes or shift patterns, charged overnight at a central depot.

Which sectors use Volteum?

Volteum is used in any sector that runs company cars, vans or service vehicles. The fleet type decides which features matter most; the sector shapes the day-to-day use.

• Banking and financial services: company car and benefit car fleets where GPS tracking is off the table, plus asset monitoring for financed vehicle portfolios. Example: OTP Bank.

• Energy and utilities: field engineering and service fleets spread across large areas, mixing EV and ICE vehicles. Example: MOL.

• Energy management and industrial technology: sales and service fleets with growing EV penetration and home charging. Example: Schneider Electric.

• Postal, parcel and last-mile delivery: depot-based van fleets where vehicle availability decides whether a route runs. Example: Royal Mail.

• Ride-hailing and shared mobility: high-mileage vehicles from many brands, with condition data that does not depend on driver self-reporting. Example: Bolt.

• Vehicle leasing and rental: financed and rented vehicles monitored across many end clients, protecting residual value. Example: Lex Autolease.

• Healthcare and social care: community nursing, home care and patient transport fleets that return home overnight, where vehicle readiness and staff privacy both matter.

• Pharmaceutical and FMCG sales: field sales fleets of benefit cars with personal use, needing accurate mileage for BIK and P11D and home charging data.

• Telecommunications: field engineering vans dispersed across regions, rarely returning to a depot.

• Construction, facilities management and property services: mixed van fleets with heavy maintenance needs and multiple sites.

• Public sector and local government: council and public-service fleets in transition, combining charging, maintenance and electrification planning in one system. Example: Dundee City Council

• Professional services and IT: company and benefit car fleets where ESG reporting and charging cost allocation are the main drivers.

• Outsourced fleet management: companies that run fleets for several clients and need one view with per-client settings and reporting.

The people who use Volteum day to day are typically fleet managers, heads of fleet, depot and operations managers, finance and cost owners, sustainability and ESG leads, HR and reward teams responsible for benefit cars, and asset-risk and residual-value teams at leasing companies.

What problems does Volteum solve?

The most common problem Volteum solves is scattered fleet data: charging, fuel, maintenance and vehicle data sitting in separate systems and reconciled by hand every month. The list maps each fleet problem to who feels it most and how Volteum addresses it.

• Fleet data is scattered across too many systems, with no single source of truth
  • Who feels it most: all segments
  • How Volteum solves it: one platform for vehicle data, charging sessions, mileage, maintenance and costs across every powertrain
• Too much manual work: invoices, charging costs and reports compiled in Excel
  • Who feels it most: fleet managers, finance teams
  • How Volteum solves it: data arrives automatically from the vehicle, AI-assisted invoice ingestion links invoices to vehicles, and every view exports to CSV or Excel
• Charging costs are opaque and impossible to allocate to individual vehicles
  • Who feels it most: finance and fleet operations teams, fleets with 10%+ EVs
  • How Volteum solves it: every charging session detected, classified by location and costed per vehicle
• No reliable way to capture home charging session data for driver reimbursement
  • Who feels it most: corporate, field service and return-to-home fleets
  • How Volteum solves it: home charging sessions captured from vehicle data, with no driver app or home hardware
• Extreme charging patterns go undetected and unchallenged
  • Who feels it most: fleet managers, finance teams
  • How Volteum solves it: automatic flags for heavy public or DC charging and for costs above the fleet average
• Issues are discovered too late, so fleet teams are reactive
  • Who feels it most: fleet operations, logistics
  • How Volteum solves it: fault codes and vehicle conditions surface from OEM data, with alerts routed to the right person
• Maintenance cycles are missed because data is fragmented or depends on drivers
  • Who feels it most: all segments with owned vehicles
  • How Volteum solves it: OEM service intervals cross-referenced with daily odometer readings, plus reminders and alerts
• Hardware telematics causes OEM warranty concerns and installation friction
  • Who feels it most: leasing companies, mixed fleets
  • How Volteum solves it: no device in the vehicle, because the manufacturer has already built the connectivity in
• Location tracking is blocked by GDPR concerns or driver resistance
  • Who feels it most: corporate, status car and benefit car fleets
  • How Volteum solves it: full operational data with location restricted or switched off entirely
• Driver maintenance reports arrive via WhatsApp, email and phone, and nothing is tracked
  • Who feels it most: fleet operations, field service
  • How Volteum solves it: one structured task workflow with a full audit trail
• Fleet budgets are hard to justify without clean, vehicle-level cost data
  • Who feels it most: fleet managers, finance
  • How Volteum solves it: vehicle-level cost reporting and a live total cost of ownership (TCO) view
• Existing fleet tools need manual data entry and do not connect to vehicles
  • Who feels it most: fleet managers going digital
  • How Volteum solves it: automatic vehicle connectivity, with no driver or admin input for connected vehicles
• ESG and Scope 1-3 reporting is difficult, inconsistent and slow
  • Who feels it most: sustainability leads, finance teams
  • How Volteum solves it: per-vehicle energy, distance and emissions data from live vehicle sources

In short: Volteum replaces scattered, manually compiled fleet data with one automatically updated platform covering charging, maintenance, faults, mileage and cost for every vehicle type.

How does hardware-free OEM connectivity work?

Volteum reads vehicle data that manufacturers already collect, through certified, official APIs. Nothing is installed in the vehicle: no aftermarket device, no OBD dongle and no SIM card to manage.

Most modern cars and vans leave the factory with a built-in connectivity module. EU type-approval rules have required an embedded emergency-call (eCall) system in new car and light van models since 31/03/2018, and manufacturers use built-in connectivity to run their own connected services. The manufacturer collects vehicle data in its own cloud, and Volteum connects to those manufacturer platforms.

How a fleet gets connected

1. The fleet shares its VIN list, which it already holds as owner or lessee.
2. Volteum checks manufacturer coverage and confirms which vehicles can connect, usually within a day.
3. The fleet signs the data privacy and processing agreement.
4. Volteum activates the connection, and data starts flowing, typically within days.
5. The fleet works entirely from the Volteum dashboard.

There is no hardware shipment, no installation scheduling and no driver training. Vehicles never visit a workshop to have devices fitted or removed, which avoids the 2–3 days off the road that hardware installation can take.

What data Volteum receives

• Odometer readings
  • What it means: daily, monthly and yearly distance per vehicle, with automatic reports
  • Typical use: mileage tracking, contract compliance, BIK and P11D, utilisation
• State of charge and charging data
  • What it means: live charge level, session detail, energy used, location type and number of sessions
  • Typical use: energy and cost tracking, charging behaviour analysis, home charging reimbursement
• Average consumption
  • What it means: energy use per vehicle, highlighting the heaviest consumers
  • Typical use: efficiency monitoring, cost optimisation, driver coaching
• Battery state of health
  • What it means: how the battery performs over time against its original capacity
  • Typical use: residual value, warranty tracking, asset management
• Maintenance intervals
  • What it means: upcoming service dates by date or distance
  • Typical use: warranty protection, proactive scheduling
• Faults and vehicle conditions
  • What it means: diagnostic codes, safety and battery warnings, brake and tyre status
  • Typical use: breakdown prevention, safety, duty of care
• Location (optional)
  • What it means: real-time position, only where the fleet enables it
  • Typical use: field operations, charging location classification

Data refresh frequency varies by manufacturer. Some brands stream data in near real time; others send updates less often. Odometer values refresh at least daily for most connected vehicles.

Supported brands

Volteum supports 30+ manufacturers without hardware, including Abarth, Alfa Romeo, Audi, BMW, Chrysler, Citroën, CUPRA, Dacia, Dodge, DS Automobiles, Fiat, Ford, Hyundai, Jeep, Kia, Lancia, Lexus, Lincoln, Maserati, Mercedes-Benz, MINI, Opel, Peugeot, RAM, Renault, SEAT, Skoda, Tesla, Toyota, Vauxhall, Volkswagen and Volvo.

Actual availability depends on each manufacturer's connected-services support by brand, model, model year and country. Volteum confirms coverage at VIN level before onboarding, rather than from a brand list.

From raw OEM data to decisions

Raw manufacturer data is not ready to use as it arrives. Volteum adds three layers between the OEM stream and the fleet manager:

• Data quality and source selection: Volteum works with the best data provider for each manufacturer, analyses data frequency and completeness, and combines multiple sources.

• Data cleaning and accuracy: raw OEM streams often contain outliers and false-positive charging events. Volteum removes them so fleet managers see only reliable information.

• Actionable insight surfacing: Volteum highlights what a fleet manager can act on, such as cost anomalies, overdue maintenance, charging-location breakdowns and high-risk fault codes, in an interface built for non-technical users.

What can Volteum do? One platform, three workflows

Volteum is one platform with three workflows: live fleet management, charging optimisation and electrification planning. They are not separate products; they share one data model, so the same vehicle data runs from planning into daily operations.

• Live fleet management: a live operational picture of every vehicle (mileage, faults, charging sessions, maintenance intervals and costs) across EV, diesel, petrol and hybrid.

• Charging optimisation: dynamic charging schedules that shows which vehicles need charging and when - so you can opreate your EVs with much less chargers than vehicles while keeping electric vehicles route-ready and avoiding depot infrastructure spend.

• Electrification planning: a data-driven view of which vehicles to switch, which EV models fit and how many chargers are needed, with TCO calculations and CO₂ savings.

Live fleet management

Live fleet management is the daily operating view of the whole fleet. Its six core features are below.

All fleet data in one place

Volteum aggregates vehicle data, charging sessions, mileage, maintenance records, costs and telematics into a single platform across EV, diesel, petrol and hybrid vehicles. One login, one view, one source of truth.

• Pain it solves: fleet data is scattered across telematics portals, OEM apps, charging networks, leasing providers and spreadsheets.

• Business outcome: a significant reduction in admin time, and clean, consolidated data for management, finance and ESG reporting. Every table can be exported to CSV or Excel.

Hardware-free OEM connectivity

Volteum connects directly to manufacturers' data platforms through certified APIs across 30+ brands. All that is needed is a VIN list. A fleet is typically live within days, with no devices to install, no engineer visits and no vehicle downtime.

• Pain it solves: traditional telematics needs physical hardware, costing up to £500 per vehicle, with installation downtime and potential OEM warranty concerns. Many fleets removed hardware for exactly these reasons.

• Business outcome: fast onboarding from a VIN list alone, zero hardware cost, no OEM warranty impact and a saving of up to £500 per vehicle.

Charging cost management and home charging data

Volteum automatically detects every charging session and classifies it by location type: home, office, depot or public. Home charging sessions are captured and measured, providing the data companies need for their reimbursement process with drivers. Extreme charging patterns trigger automatic alerts, and charging costs are allocated per vehicle.

The charging analytics view shows total sessions, energy consumed, estimated cost, the AC/DC split and average sessions per vehicle. Charts break energy, sessions and cost down by location type (home, depot, public AC, public DC), and a per-vehicle table shows each vehicle's charging pattern.

Flagged vehicles are detected automatically when they exceed thresholds for DC charging share, public charging share, or cost per kWh against the fleet average. Three preset profiles match different operating models: depot-focused fleets, mixed and field operations, and commuter or company car fleets. A custom profile lets fleet managers set their own thresholds.

Cost estimates use the fleet's own electricity rates per location type, configured in settings. Rate and profile changes apply to future calculations only, so historical data stays intact.

• Pain it solves: charging is among the fastest-growing cost lines in any fleet at 10–15% EV penetration. Home charging reimbursement has no reliable solution in most organisations, and public charging overuse is costly and almost impossible to track retrospectively.

• Business outcome: full visibility and control over charging spend, clean home charging session data for reimbursement processes, early warning on cost anomalies, and per-vehicle cost reporting without spreadsheets.

Volteum provides home charging session measurements for the reimbursement process. It does not issue reimbursement payments or invoices.

Automated vehicle-level cost reporting

Volteum aggregates fleet costs (fuel, charging, maintenance and lease) at the individual vehicle level, giving fleet managers and finance teams a live TCO view. AI-assisted document review ingests invoices and links them to the right vehicle automatically, removing manual data entry.

• Pain it solves: fleet managers cannot justify budget decisions without clean vehicle-level cost data, and compiling it by hand is slow and always out of date.

• Business outcome: live TCO per vehicle and cost per kilometre, reduced admin, and clean data for budget decisions and Scope 1–3 submissions.

Fault detection and predictive maintenance

Volteum ingests fault codes and vehicle health signals from OEM data streams. Alerts are routed automatically to the right person the moment a problem is detected, so battery anomalies, diagnostic codes and safety-critical warnings surface before they cause breakdowns.

The vehicle health page separates two kinds of alert:

• Faults are system malfunctions, such as ABS failure, an engine control fault, an electric traction fault or a parking brake failure. Critical faults may mean the vehicle should be taken out of service.

• Conditions are status alerts, such as low tyre pressure, worn brake pads, low oil level, low AdBlue level, empty washer fluid or a 12V battery warning. Nothing is broken yet, but something needs attention.

The alert catalogue covers 21 fault and condition types at three severity levels: critical, warning and info. New items are highlighted overnight, fleet managers acknowledge them in bulk, and each item resolves automatically when the vehicle reports it has cleared. Every alert keeps a full audit trail of what was detected, when, and who saw it.

• Pain it solves: issues are discovered too late, fault codes arrive inconsistently, and fleet teams manage breakdowns instead of preventing them.

• Business outcome: fewer unexpected breakdowns, higher vehicle availability, and lower maintenance costs through early intervention.

Planned maintenance and fleet task management

Volteum reads manufacturer-defined maintenance schedules from live vehicle data and surfaces them automatically. Odometer values refresh daily, giving fleet managers a live view of which vehicles are approaching service thresholds by distance or by time.

The maintenance view combines two sources:

• OEM service items arrive automatically from the vehicle, including scheduled service intervals, brake fluid due dates and service reminders. They need no configuration.

• Fleet tasks are created by the fleet manager for anything the manufacturer does not cover, such as tyre rotations every 15,000 km, quarterly safety inspections or annual MOT reminders. Tasks can recur by distance or by time, and can be created in bulk for brands without OEM maintenance data.

Vehicles are sorted by urgency: overdue, due soon and on track. Maintenance alerts and reminders notify the team before, at or after a due date. Completed work is logged with cost, odometer reading and notes, and recurring tasks create their next instance automatically. Planned and unplanned tasks, including driver-reported issues, sit in one structured workflow with a full audit trail and CSV export. Each vehicle builds a complete, exportable record of its maintenance and task history, so owners can show exactly how it was looked after when it is sold, remarketed or returned at contract end.

• Pain it solves: maintenance due dates are scattered across OEM portals, service books and driver memory. Planned services are missed or delayed, and a single missed service can void the manufacturer's warranty, leaving the fleet to pay for repairs the warranty would have covered. Driver issue reports arrive via WhatsApp, email and phone with nothing tracked.

• Business outcome: no missed maintenance intervals, protected warranty compliance, and one structured channel for every task.

More live fleet management capabilities

• Battery health and battery care score: state of health (SoH) per vehicle, where the manufacturer provides it, with colour-coded thresholds (above 95%, 90–95%, 80–90%, below 80%) and history over time. The battery care score evaluates DC charging frequency, deep-discharge events and temperature exposure, and projects state of health over the coming years. The data comes directly from the manufacturer, so no on-site battery test or workshop visit is needed. Fleet managers can spot charging and usage habits that wear the battery, such as frequent DC fast charging or repeated deep discharges, and step in early, before the damage becomes costly.

• Mileage tracking: daily, monthly and yearly distance per vehicle from the OEM odometer, for contract mileage compliance, BIK and P11D reporting and utilisation analysis.

• PHEV electric and engine driving split: for plug-in hybrids, we show the distance driven in electric mode versus on the petrol or diesel engine, per vehicle. CO₂ and usage reports reflect how each PHEV is actually driven, rather than assuming a fixed electric share.

• CO₂ and ESG reporting: per-vehicle energy, distance and emissions data from live vehicle sources, as a basis for Scope 1–3 reporting rather than estimates from fuel receipts.

• State of charge and low-range alerts: live charge level for every EV and PHEV, flagging vehicles that may not have enough range for the next day.

• Live location tracking (optional): real-time position, location-based reporting and exception alerts, for fleets with an established GDPR legal basis.

• Per-client segmentation: leasing companies and outsourced fleet managers see all client fleets in one platform, with separate views, settings and electricity rates per client.

• Vehicle groups: within one organisation, vehicles can be organised into groups, for example by department, business unit, region or site. Large enterprises can view, report on and manage each group separately while keeping the whole fleet in one platform.

Charging optimisation

Smart charging optimisation plans when and where each vehicle charges, so every vehicle is ready for its route at the lowest energy cost. It uses duty schedules, live state of charge and available chargers to create dynamic charging schedules and vehicle allocations.

• Built for: depot-based fleets running significant EV numbers, logistics and delivery fleets, and fleets with OCPP-compatible charging infrastructure.

• What it does: balances overnight charging across all vehicles and chargers, minimises energy cost and charger count, and gives the shift manager a readiness view of what is charged, healthy and available before the shift starts.

• How it fits with charger software: Volteum schedules the vehicles; the charge point management system (CPMS) enforces the schedule on the chargers.

• Proven result: at Royal Mail, shift planning time fell from around 3 hours to 10–20 minutes per shift, with zero out-of-charge events since deployment and up to £600,000 per depot in avoided capital expenditure.

Electrification planning

Electrification planning gives fleets a data-driven, vehicle-by-vehicle view of their transition to EVs. Because it runs on the same live operational data as the rest of the platform, the plan updates as the fleet changes instead of going out of date.

• Vehicle suitability: which vehicles can switch to EV now, based on real usage data.

• Model fit: which EV models fit each vehicle's duty. Fleet managers can filter replacement models by many parameters, such as range, battery size and price, and for vans by payload, load volume and vehicle size, so the shortlist matches what each vehicle actually needs to carry.

• Infrastructure sizing: how many chargers are needed, and where.

• TCO and CO₂: total cost of ownership against diesel or petrol, and expected CO₂ savings.

All TCO and CO₂ figures are client-specific and based on stated assumptions. Volteum does not quote generic savings.

How do different fleets use Volteum?

Each fleet type uses the same platform for a different core job. The six use cases below cover the main segments.

Volteum for leasing companies

Leasing companies use Volteum to see how financed vehicles are used between services, and to protect residual value with objective vehicle data.

Challenges

• No visibility of mileage, maintenance or fault exposure between services.

• Residual value exposed to battery degradation and maintenance gaps, with no data to prove or contest condition at contract end.

• Lessees miss or delay scheduled services, which can void the manufacturer's warranty on a vehicle the leasing company owns, leaving it to cover repair costs the warranty would have paid.

• High hardware telematics cost and OEM warranty risk when fitting devices to vehicles they own.

• End users object to GPS tracking, raising GDPR concerns.

• Battery state of health is hard to obtain, and service intervals across many client sites are fragmented.

• Clients expect digital fleet services that leasing companies lack the technology to deliver.

How Volteum helps

• Live mileage, health, maintenance and fault data with no device, no warranty risk and no downtime.

• Full vehicle data without GPS; location tracking can be disabled entirely.

• Battery state of health as continuous, objective evidence of battery condition, where the manufacturer provides it.

• Automated fault alerts from OEM diagnostic data, so issues are caught early, before they turn into costly repairs or warranty claims.

• Maintenance tracking from OEM service intervals and daily odometer readings, verifying that lessees service vehicles on the manufacturer's schedule and protecting the warranty.

• Mileage compliance checks against contract limits, with no depot visit.

• All client fleets in one platform with per-client segmentation, giving the leasing company a digital service layer to offer its clients.

Features that matter most: hardware-free OEM connectivity, battery state-of-health monitoring, mileage tracking and contract-compliance alerts, fault detection, planned maintenance from live OEM data, per-client fleet segmentation, vehicle-level cost and usage reporting, and electrification planning for clients starting their EV transition.

Customer example: Lex Autolease works with Volteum.

Volteum for rental companies

Rental companies use Volteum to record mileage, charge level and vehicle condition at every return, and to keep fast-turning vehicles available and maintained, without fitting devices.

Challenges

• Vehicles turn over quickly, and mileage, charge level and condition must be checked at every return.

• Faults and warning lights that appear during a rental are hard to attribute to the right rental period.

• EVs come back with low charge, and staff check charge levels by hand on site.

• Missed services and unreported faults reduce availability and can void manufacturer warranties.

• Fitting telematics hardware to a large, frequently refreshed fleet is costly and slow, and devices must be removed at de-fleet.

• Renters object to GPS tracking, raising GDPR concerns.

• Rental vehicles are a target for theft and unauthorised use, and a stolen vehicle is hard to locate quickly.

How Volteum helps

• Odometer, state of charge and open faults available in the platform at every return, from the vehicle's own data.

• Every fault and condition alert is time-stamped, so it can be matched to the rental period in which it appeared.

• Live state of charge per EV shows which vehicles are ready for the next rental.

• Planned maintenance from OEM service intervals and daily odometer readings, so services can be booked between rentals.

• Onboarding from a VIN list: new vehicles connect without workshop visits, and there is nothing to remove at de-fleet.

• Full vehicle data without GPS where renter privacy requires it.

• Where location is enabled, live vehicle location from the manufacturer's built-in connectivity helps locate and recover a stolen vehicle, with no tracking device to remove or disable.

Features that matter most: hardware-free OEM connectivity, mileage tracking, state of charge and low-range alerts, fault detection with time-stamped alerts, planned maintenance and fleet task management, battery state of health for residual value, vehicle groups by branch or site, and charging cost management.

Volteum for corporate fleets with growing EV penetration

Corporate fleets use Volteum to control fast-rising charging costs, capture home charging data and produce defensible ESG figures, across EVs and ICE vehicles alike.

Challenges

• Charging costs rise fast and cannot be allocated accurately to vehicles or cost centres.

• Home charging has no reliable session data for reimbursement, which leads to paper claims or flat payments.

• Drivers use expensive public charging with no visibility or challenge.

• Services are missed or delayed because drivers forget them, and a missed service can void the manufacturer's warranty.

• ESG and Scope 1–3 reporting needs per-vehicle emissions data that current systems do not hold.

• OEM apps and charging portals create a fragmented view, and faults are reported by phone or WhatsApp.

• GDPR and driver privacy limit GPS telematics on company cars.

How Volteum helps

• Every charging session detected, classified (home, office, depot, public) and allocated to the right vehicle.

• Home charging session data captured from the vehicle for the reimbursement process.

• Automatic alerts when a vehicle consistently uses expensive public charging or exceeds cost thresholds.

• Maintenance tracking from OEM service intervals and daily odometer readings, with reminders before each service is due, so no service is missed and no warranty is lost.

• Per-vehicle emissions from live OEM data for Scope 1–3 reporting.

• One dashboard for health, charging, mileage, costs and faults across every powertrain.

• Full operational data without GPS, and maintenance cycle tracking so no warranty is lost.

Features that matter most: charging cost management, home charging session data, charging cost anomaly alerts, CO₂ and ESG reporting, hardware-free OEM connectivity with no GPS, fault detection, maintenance tracking, mileage tracking, and automated vehicle-level cost reporting.

Customer examples: Schneider Electric in Hungary uses Volteum to track charging sessions, spot outlier usage patterns and control costs, and to see automatically which vehicle is due for maintenance and when.

Volteum for mixed fleet operators

Mixed fleet operators use Volteum to bring every powertrain into one live view and to protect the value of owned vehicles through maintenance that never slips.

Challenges

• Data sits in silos: EV data in OEM apps, fuel data elsewhere, maintenance in spreadsheets.

• A complete picture means pulling from four or five systems.

• Most fleet software needs manual entry and is not connected to the vehicle.

• Missed maintenance voids manufacturer warranties, and for owned fleets the residual-value risk sits with the company.

• Faults caught late turn into expensive repairs.

• No one knows how plug-in hybrids are actually driven, or whether electric mode is used at all, so CO₂ and usage reports rely on assumptions.

• Telematics is fitted on some vehicles but not others, and EV charging costs are invisible.

How Volteum helps

• Every powertrain aggregated into one platform, with no hardware on any vehicle.

• Live odometer, health, fault and cost data arriving automatically.

• Maintenance built from live OEM service intervals cross-referenced with daily odometer readings.

• Faults surfaced immediately, before they escalate.

• We show for each PHEV the distance driven in electric mode versus on the engine, so CO₂ and usage reporting reflects real driving and shows where drivers rarely charge.

• Charging cost management already in place as EVs are added.

• Per-vehicle TCO for finance, and electrification planning based on real operational data.

Features that matter most: hardware-free OEM connectivity across 30+ brands and every powertrain, the consolidated dashboard, planned maintenance from live OEM data, fleet task management, fault detection, vehicle-level cost and TCO, charging cost management, electrification planning, and mileage and utilisation tracking.

Volteum for field service and return-to-home fleets

Field service and return-to-home fleets use Volteum to see the condition and charge of vehicles that rarely visit a depot, without tracking drivers.

Challenges

• No visibility of condition, faults, mileage or charging until the driver calls.

• Vehicles are dispersed and rarely return to a central depot.

• Home charging is the main charging method, but there is no reliable data for fair reimbursement.

• Driver-reported faults are inconsistent, and maintenance relies on driver compliance.

• No way to know whether a vehicle has enough charge for the next day.

• Always-on GPS is sensitive where vehicles are also used personally.

How Volteum helps

• Live health, fault, charging status and mileage wherever the vehicle is.

• Home charging sessions captured automatically for reimbursement, with no driver action.

• Fault alerts routed immediately, so issues are caught before a failed shift.

• Daily odometer refresh keeps maintenance scheduling automatic and accurate.

• State-of-charge visibility flags vehicles that may not have enough range for the next day.

• Full operational intelligence without GPS.

Features that matter most: hardware-free OEM connectivity across all vehicle types, home charging session data, real-time fault detection and alert routing, planned maintenance from live odometer and OEM data, fleet task management, state-of-charge and low-range alerts, vehicle-level charging cost, and privacy-respecting mode without GPS.

Volteum for status car and benefit car fleets

Benefit car fleets use Volteum to get full fleet intelligence with zero location tracking, which removes the legal and political barriers that stop traditional telematics.

Challenges

• GPS tracking is politically sensitive or legally restricted, and HR or legal teams advise against it.

• No visibility of vehicle condition between services.

• Services are missed or delayed because the fleet relies on employees to book them, and a missed service can void the manufacturer's warranty.

• Fault codes and warning lights go unreported: a small problem that is easy to fix early can turn into a major repair if the driver ignores it.

• Mileage for tax and the business/personal split is inaccurate, manual or missing.

• Leasing contracts require mileage compliance, and BIK and P11D reporting needs accurate usage data.

How Volteum helps

• Live odometer, health, fault and charging data with zero location tracking.

• Daily mileage from the OEM odometer, accurate and defensible for BIK, P11D and contract compliance.

• Fault and health signals that arrive automatically, before the driver mentions them.

• Charging habits and battery health monitored passively.

• Maintenance schedules shown in the software from live OEM data.

Features that matter most: hardware-free OEM connectivity with no GPS, daily odometer for mileage and BIK/P11D, fault detection and automated alerts, battery state of health, planned maintenance from live OEM intervals, vehicle-level cost allocation, and fleet task management.

There is nothing for the driver to install or do: no app, no device and no change in behaviour.

Customer example: Schneider Electric in Hungary also uses Volteum for its benefit vehicles, keeping data in line with its privacy policies.

Volteum for logistics and depot fleets

Logistics and depot fleets use Volteum to know, before every shift, which vehicles are charged, healthy and ready, and to cut overnight charging cost.

Challenges

• Availability is mission-critical: a breakdown, missed charge or unflagged fault has direct operational and revenue impact.

• Charging infrastructure must serve many vehicles in a fixed overnight window.

• Knowing which vehicles will be ready for the morning shift requires manual depot checks.

• Fault codes arrive inconsistently, and maintenance is reactive.

• Shift planning happens without live readiness or state-of-charge data, and depot energy cost is growing fast.

How Volteum helps

• Live state of charge and charging status per vehicle, without walking the depot.

• Smart charging optimisation that balances overnight charging across vehicles and chargers, at minimum energy cost, with every vehicle ready on time.

• Fault detection and alerts that catch issues before a missed shift.

• Planned maintenance booked in low-activity windows, no lost warranty.

• Per-vehicle charging cost and a readiness dashboard for the shift manager.

Features that matter most: live state of charge and charging status, charging schedule optimisation, fault detection and alert routing, planned maintenance, the vehicle readiness dashboard, per-vehicle charging cost and depot energy tracking, fleet task management, and charging cost anomaly detection.

Customer example: at Royal Mail, shift planning time fell from around 3 hours to 10–20 minutes per shift, with zero out-of-charge events since deployment and up to £600,000 per depot in avoided capital expenditure.

Other fleets that use Volteum

• Ride-hailing operators: Volteum provides OEM data on vehicles across several brands and a verified view of vehicle condition that does not depend on driver self-reporting. Bolt uses Volteum in several countries.

• Energy and utility companies: service and field fleets use Volteum for health, maintenance and charging data across mixed vehicles.

• Banks and vehicle financiers: asset monitoring for financed vehicle portfolios, with usage, condition and battery health data.

• Outsourced fleet management companies: one view across all client vehicles, with per-client settings and reporting.

• Public-sector fleets: mixed fleets in transition, combining charging, maintenance and planning in one system.

How does Volteum handle privacy and GDPR?

Volteum is GDPR compliant and can run with no location data at all. This makes it suitable for company car and benefit fleets where GPS tracking is legally restricted or unacceptable to drivers.

• Data processing agreement: a ready-made data privacy and processing agreement is part of every deal.

• Location is optional: location data can be restricted or excluded entirely, per vehicle or fleet-wide.

• No personal trip tracking: Volteum does not track personal trips unless the customer explicitly asks for location data and has a legal basis for it.

• Role-based access: location can be hidden from the map or restricted to specific roles.

• Transparent consent: drivers are informed through a clear consent process, with no hidden tracking.

• Nothing in the vehicle: there is no device, dongle or driver app, so nothing collects data beyond what the manufacturer already holds.

Without location data, Volteum still provides odometer readings, mileage, faults and conditions, maintenance intervals, state of charge, charging sessions, energy consumption and battery health.

One limit applies: classifying a charging session as home, office, depot or public requires location data. With location switched off, those sessions appear as “unknown location”, while energy and session data are still recorded.

How is Volteum different from other fleet management approaches?

Volteum differs on four points: it needs no hardware, it covers planning and operations on one platform, it delivers cleaned and actionable intelligence rather than raw data, and it treats every powertrain as first-class.

The four differentiators

1. A fully hardware-free fleet operations platform. Very few providers offer genuine hardware-free live fleet data at scale across 30+ brands. Volteum uses connectivity already built into the vehicle, so a fleet goes live within days from a VIN list.
2. Planning and operations on one platform. Most tools solve one part: charging management, electrification analysis, telematics or route optimisation. Volteum covers the journey from electrification planning to daily operations on one shared data model.
3. Actionable intelligence, not raw data. Volteum selects the best data source per brand, cleans outliers and false-positive charging events, and surfaces only what a fleet manager can act on.
4. Works across all vehicle types, not just EVs. EV, PHEV, hybrid, diesel and petrol vehicles share one platform, one interface and one data model.

Compared with hardware telematics

Traditional telematics relies on a device fitted to each vehicle, costing up to £500 per vehicle, with installation downtime, possible warranty concerns and devices to recover at de-fleet. Most systems are GPS-led. Volteum needs no device, works without GPS, and adds data most hardware cannot provide, such as battery state of health and OEM maintenance schedules. Volteum can also run alongside existing telematics, covering the vehicles that were never tracked, such as benefit cars.

Compared with fleet management software based on manual entry

Many fleet management tools organise data that someone types in or imports. Volteum connects to the vehicle and pulls data automatically, with no driver or admin input for connected vehicles.

Compared with raw OEM data feeds and APIs

OEM data aggregators and vehicle APIs deliver data feeds, but the fleet still has to clean the data, find the meaningful signals and build workflows on top. Raw OEM data contains outliers, missing data points and incorrect values, such as false mileage, trip and charging events, which make it confusing and unreliable to use directly. Volteum cleans, validates and aggregates the data before it reaches the fleet manager, so what they see is accurate and usable. Volteum delivers the finished fleet-manager product: cleaned data, alerts, maintenance workflows, charging cost analysis and reports. Some APIs also rely on per-driver authentication, which does not scale to fleet use.

Compared with EV-only platforms

EV-focused tools leave diesel, petrol and hybrid vehicles in a separate system. Volteum covers the whole mixed fleet, so one platform keeps working through every stage of the transition.

Compared with one-off electrification studies

An electrification study is a snapshot that goes out of date. Volteum's electrification planning runs on live operational data, and the same data model continues into daily operations.

Tools Volteum works alongside

• Charge point management systems (CPMS): the CPMS controls the chargers; Volteum sees every vehicle wherever it charges, plus the ICE fleet. Volteum schedules; the CPMS enforces.

• Charging-payment and fuel-card providers: they execute payments. Volteum provides vehicle-side session data and cost allocation, and does not process payments.

• Managed charging and depot infrastructure services: they electrify the depot; Volteum runs the fleet.

What Volteum is not

• Not telematics hardware: Volteum installs nothing in the vehicle.

• Not a charge point management system.

• Not a charging-payment, reimbursement-payment or fuel-card provider.

• Not a driver safety-scoring product: speeding, idling and driver league tables are not offered. Energy efficiency per vehicle is available.

Who uses Volteum, and what results have they seen?

Volteum is used by leasing companies, corporate fleets, logistics operators, ride-hailing operators, banks and energy companies across Europe, some of them are:

• Royal Mail (postal and parcel delivery, UK): uses Volteum for depot fleet operations and smart charging optimisation.

• Lex Autolease (vehicle leasing, UK)

• Bolt (ride-hailing, several countries)

• Schneider Electric (energy management and automation, Hungary): uses Volteum for charging session tracking, outlier detection, cost control and maintenance tracking, including for benefit vehicles.

• OTP Bank (banking, Hungary)

• MOL (energy, Hungary)

• Ivanics (vehicle leasing, Hungary)

Royal Mail: depot charging and shift planning

Royal Mail uses Volteum to plan depot charging and vehicle allocation for its electric delivery fleet.

• Shift planning time fell from around 3 hours to 10–20 minutes per shift.

• Zero out-of-charge events since deployment.

• Up to £600,000 per depot in avoided capital expenditure.

Schneider Electric: charging cost control and maintenance

Schneider Electric in Hungary uses Volteum to track charging sessions, spot outlier usage patterns and control costs within the platform. It also uses Volteum's maintenance features, which show automatically which vehicle is due for maintenance and when. Schneider Electric applies Volteum to its benefit vehicles too, keeping data in line with its privacy policies.

Platform proof points

• Typically live within days of a signed contract: zero hardware, zero installation appointments, zero vehicle downtime.

• Hardware cost saving of up to £500 per vehicle compared with traditional telematics installation.

• 30+ OEM brands supported through direct API integration, compatible with 1,100+ EV models plus ICE and hybrid vehicles.

• 50% of new Volteum customers switched from a competing product.

How do you get started with Volteum?

Getting started needs only a VIN list and a signed data privacy agreement. There is no IT project, no hardware procurement and no installation schedule.

1. Share your VIN list. Mapping each VIN to its vehicle model speeds things up.
2. Coverage check. Volteum confirms which vehicles can connect, usually within a day.
3. Sign the data privacy agreement.
4. Activation. Data starts flowing, typically within days. Onboarding a large fleet can take up to 1–2 weeks, depending on fleet size and data readiness.
5. Work from the dashboard. Your team logs in to Volteum.

Start with a pilot. Many fleets begin with a pilot on 10–20 vehicles, then expand to a depot, a region or the full fleet. Success criteria are agreed with each customer at the start.

No data migration required. Volteum starts collecting data from the day vehicles connect. Importing history is optional. Sharing historical charging data helps calibrate home charging measurements.

Vehicles must be in use. Some manufacturers complete the connection only after the vehicle has been driven, so pilot vehicles should be in active use in the first week.

Pricing. Volteum is priced per vehicle per month as a software subscription, with no hardware or installation cost. Quotes are tailored to fleet size and the workflows used.

Frequently asked questions

Does Volteum require any hardware?

No. Volteum connects to the connectivity module the manufacturer has already built into the vehicle. There is no OBD dongle, wired device or SIM card to manage.

Which vehicle brands does Volteum support?

Volteum supports 30+ manufacturers, including Audi, BMW, Citroën, Fiat, Ford, Hyundai, Kia, Mercedes-Benz, MINI, Opel, Peugeot, Renault, SEAT, Skoda, Tesla, Toyota, Vauxhall, Volkswagen and Volvo. Availability depends on brand, model, model year and country, so Volteum confirms coverage at VIN level, usually within a day.

How long does onboarding take?

A fleet is typically live within days of sharing its VIN list. Large fleets can take up to 1–2 weeks, depending on fleet size and data readiness.

Does Volteum only work for electric vehicles?

No. Volteum works across EV, PHEV, hybrid, diesel and petrol vehicles on one platform. Mileage, odometer, faults and maintenance data are available for all vehicle types; charging data applies to EVs and PHEVs.

Can Volteum work without GPS tracking?

Yes. Location data is optional and can be excluded per vehicle or fleet-wide. Without it, Volteum still provides mileage, faults, maintenance, state of charge, charging sessions and battery health. Charging sessions then cannot be classified by location and show as “unknown location”.

How does Volteum classify home, depot and public charging?

Each charging session is matched to a location type (home, office or depot, public AC, public DC) using the vehicle's position and the charging locations configured for the fleet. Costs are then calculated from the fleet's own electricity rates per location type.

Does Volteum handle home charging reimbursement?

Volteum provides the home charging session measurements companies need for their reimbursement process with drivers. It does not pay drivers or issue invoices. Calibrating against the fleet's historical charging data improves measurement accuracy.

How accurate is OEM data compared with telematics hardware?

OEM data is factory-grade telemetry taken directly from the manufacturer, and is often more accurate than aftermarket devices. It also includes data most hardware cannot provide, such as battery state of health and manufacturer maintenance schedules. Volteum cleans outliers and false-positive charging events before data reaches the dashboard.

How often is vehicle data updated?

It depends on the manufacturer. Some brands stream data in near real time; others send updates less often. Odometer readings refresh at least daily for most connected vehicles.

Can Volteum monitor EV battery health?

Yes, where the manufacturer provides it. Volteum tracks battery state of health per vehicle over time and calculates a battery care score based on DC charging frequency, deep-discharge events and temperature exposure. Reliability varies by brand and model.

Does Volteum detect fault codes?

Yes. Volteum surfaces 21 fault and condition types from OEM diagnostic data, at critical, warning and info severity, and routes alerts to the right person. Coverage depends on what each manufacturer provides.

Can Volteum replace our existing telematics?

It can replace it or run alongside it. Many fleets start by connecting vehicles their telematics does not cover, such as benefit cars, then add maintenance, charging and cost intelligence across the fleet.

Does Volteum work with our charge point management system?

Yes. Volteum is complementary to a CPMS: the CPMS controls the chargers, and Volteum sees every vehicle wherever it charges. For smart charging optimisation, Volteum creates the schedule and the CPMS enforces it on OCPP-compatible chargers.

Does Volteum process charging payments or fuel cards?

No. Volteum measures and allocates charging cost per vehicle. Payment execution stays with charging-payment and fuel-card providers.

Can Volteum provide mileage for BIK and P11D reporting?

Yes. Volteum takes daily mileage from the OEM odometer, which is accurate and defensible for BIK, P11D and leasing contract compliance, without GPS.

Can Volteum support CO₂ and Scope 1–3 reporting?

Yes. Volteum provides per-vehicle energy, distance and emissions data from live vehicle sources, as a basis for ESG and Scope 1–3 reporting. CO₂ figures are client-specific and based on stated assumptions.

Can Volteum process fleet invoices?

Yes. AI-assisted document review ingests invoices and links them to the right vehicle automatically, feeding vehicle-level cost reporting and TCO.

Do we have to migrate our historical data?

No. Volteum starts from the day vehicles connect. Importing history is optional and scoped separately.

Does Volteum need our IT team?

No, onboarding needs a VIN list and a signed data privacy agreement. There is no installation and no integration project to start.

Does Volteum score driver behaviour?

Volteum provides energy efficiency per vehicle. It does not offer driver safety scoring, speeding detection, idling detection or driver league tables.

Can a leasing company manage several client fleets?

Yes. All client fleets sit in one platform, with per-client segmentation, settingsand reporting.

Can Volteum help plan our transition to electric vehicles?

Yes. The electrification planning workflow shows which vehicles can switch, which EV models fit, how many chargers are needed, and the TCO and CO₂ comparison, based on the fleet's own operational data and stated assumptions.

How is Volteum priced?

Volteum is a per-vehicle, per-month software subscription with no hardware or installation cost. Pricing is quoted per fleet.

Where is Volteum available?

Volteum is available all over UK and Europe. Vehicle data coverage depends on each manufacturer's connected services in each country.

Glossary

• BEV: battery electric vehicle, powered only by a battery.
• BIK: benefit in kind, the UK taxable benefit of a company car used privately.
• CPMS: charge point management system, software that controls chargers.
• Depot charging: charging vehicles at the operator's own site, often overnight.
• eCall: the EU emergency-call system built into new car and light van models type-approved since 31/03/2018.
• ICE: internal combustion engine vehicle (diesel or petrol).
• Mixed fleet: a fleet combining EVs with ICE and hybrid vehicles.
• OCPP: Open Charge Point Protocol, the open standard for communication between chargers and management software.
• OEM: original equipment manufacturer, meaning the vehicle manufacturer.
• OEM connectivity: access to vehicle data through the manufacturer's own cloud platform and APIs.
• P11D: the UK form used to report employee benefits, including company cars.
• PHEV: plug-in hybrid electric vehicle.
• Return-to-home fleet: vehicles kept at the driver's home overnight rather than at a depot.
• Scope 1–3: greenhouse gas emission categories: direct (1), purchased energy (2) and value chain (3).
• SoC: state of charge, the current battery charge level.
• SoH: state of health, battery capacity compared with its original capacity.
• TCO: total cost of ownership, all costs of a vehicle over its life.
• Telematics: systems that collect and transmit vehicle data, traditionally through a fitted device.
• VIN: vehicle identification number, the unique 17-character code of a vehicle.