Best Grey Fleet Management Software in the UK: A Category Map
By the Smart Strix team · Updated 15 July 2026
"Grey fleet software" isn't one product — it's three separate jobs: checking licences, capturing mileage and evidencing that employee-owned vehicles are fit for work journeys. This page maps the categories, names example providers, and is candid about which job our own product does and which it doesn't.
What does grey fleet management software actually do?
It gathers the evidence that people driving their own cars on your business are legal and insured to do so: valid licences with known endorsements, business-use cover on their insurance, current MOTs, and mileage claims that reconcile with real journeys. No single mainstream product does all of that brilliantly, because the underlying tasks are so different — one needs a live data connection to DVLA, another needs receipt-level expense discipline, a third is really document administration. The honest way to shop this category is by task, and the table lays the tasks out.
| Category | Job it does | Example providers (as of July 2026) | Notes |
|---|---|---|---|
| Licence checking services | Ongoing DVLA checks with driver consent; flags points, disqualifications, expiries | Licence Check (DAVIS), TTC DriverCheck | Look for ADLV membership; typically priced per check or per driver |
| Mileage capture & audit | Records business journeys, validates claims, supports HMRC-compliant logs | TMC, expense-platform mileage modules | Payback comes from over-claim reduction and audit readiness |
| Document & policy management | Stores insurance certificates, MOTs and driver declarations; alerts before expiry | Fleet platforms with driver document vaults, incl. Smart Strix | Evidence layer — does not verify anything with DVLA |
Why do licence checks need a dedicated provider?
Because only DVLA holds the truth about a licence, and querying it repeatedly at scale requires driver consent handling and API access that general fleet software doesn't have. Commercial services — Licence Check's DAVIS platform and TTC's DriverCheck are two long-standing UK examples — take a signed driver mandate and re-check licences on a schedule, commonly tightening the frequency for drivers with more points. The Association for Driving Licence Verification (ADLV) is the industry body worth looking for when you evaluate providers. For a one-off check, gov.uk's own "Check someone's driving licence" share-code service works, but it doesn't monitor anything afterwards — which is precisely what duty of care usually demands. Frequency and process are risk decisions for you; check current gov.uk guidance when setting policy.
What do mileage tools contribute?
Grey fleet costs mostly arrive as mileage claims, and HMRC expects those claims to rest on records showing dates, journeys and business purpose. Specialist capture-and-audit services such as TMC, and the mileage modules inside mainstream expense platforms, exist to make claims verifiable rather than folklore. Beyond tax hygiene, good mileage data answers a strategic question: whether some grey fleet journeys would be cheaper and safer in pool vans or hire vehicles instead. Our guide to mileage records for HMRC covers what a defensible log contains.
Where does Smart Strix honestly fit for grey fleet?
Two things, stated without stretch. First, the driver document vault: each driver's file holds their licence photo, insurance certificate showing business use, MOT and any declarations you require, and the expiry radar chases renewals before they lapse — turning the annual "send me your documents" email round-robin into a standing system. Second, if your operation mixes grey fleet with owned vans, those vans get the full compliance treatment — MOT, insurance and V5C alerts, check-in/out photos, maintenance history — in the same place, so one dashboard covers both populations.
Equally plainly: Smart Strix does not connect to DVLA, so it cannot verify a licence or detect new points — a stored photo of a licence proves you collected it, not that it's still valid. Pair the vault with a dedicated checking service and a written policy. Our grey fleet management guide includes a policy template to adapt, and the duty of care guide explains the legal footing under HSWA 1974.
How should a small business assemble its grey fleet stack?
- Write the policy first — who may drive their own vehicle for work, what documents they must evidence, and how often.
- Contract a licence-checking service for scheduled DVLA checks with consent — don't improvise this with photocopies.
- Collect and track documents — insurance with business use, MOT, declarations — somewhere with expiry alerts, whether that's Smart Strix or a well-run register.
- Capture mileage properly so claims are auditable and the pool-vehicle question can be answered with data.
- Risk-assess the driving itself — our driving for work risk assessment guide shows the documented approach.
A five-person grey fleet doesn't need all of this as paid software — a policy, a checking service and a disciplined register go a long way. The moment it stops being enough is when nobody can say, today, whose insurance has lapsed; that's when tooling earns its subscription. It's also worth re-running that test whenever headcount jumps or a new site opens, because grey fleet risk grows with exactly the changes that make registers go stale. Provider details above reflect public information as of July 2026 — confirm current services and prices with each vendor.