How to claim fuel card costs as a business expense
To claim fuel card costs as a business expense, the fuel must be used for business purposes and supported by clear records. VAT-registered businesses may also be able to reclaim VAT on eligible business fuel, while non-VAT-registered businesses cannot reclaim VAT separately but may still claim allowable fuel costs as part of their normal business expenses.
That is the key point many business owners miss.
A fuel card can make fuel spending much easier to manage, but it does not change the tax rules by itself. The card helps with invoices, transaction records, fuel spend visibility and bookkeeping.
What you can claim depends on your business type, VAT status, vehicle use and record-keeping.
This matters for sole traders, limited companies, partnerships and small fleets. It also matters for businesses that are under the VAT threshold but still want to keep fuel costs organised properly.
Do fuel cards let you reclaim VAT?
A fuel card does not automatically let you reclaim VAT.
VAT reclaim depends on whether the business is VAT registered and whether the fuel is used for business purposes. If the business is not VAT registered, there is no VAT return to reclaim VAT through.
This is where people often mix up two separate ideas.
Reclaiming VAT means recovering the VAT element through a VAT return. Claiming a business expense means recording an allowable cost so it can reduce taxable profit.
A VAT-registered business may be able to do both. A non-VAT-registered business may only be able to claim the fuel cost as an expense, not recover the VAT separately.
The fuel card helps with the admin side.
It can give you cleaner records, downloadable invoices and a clearer view of fuel spend. That can make life easier when preparing accounts, checking VAT records or sending information to your accountant.
How VAT-registered businesses can treat fuel card costs
A VAT-registered business can usually reclaim VAT on fuel used for business journeys, as long as it keeps proper records.
If the vehicle is used only for business, the VAT position is usually cleaner. The business records the fuel as a business expense and may reclaim the VAT through its VAT return.
If the vehicle is used for both business and private journeys, the treatment needs more care.
The business may need to reclaim only the VAT relating to business use and keep detailed mileage records. Another option may be to reclaim all the VAT and apply the correct VAT fuel scale charge where private fuel is provided.
This is one of the reasons fuel cards can be useful.
A fuel card invoice gives the business a clearer record than a collection of loose paper receipts. It can show dates, transactions, fuel spend, card details, driver details or vehicle references, depending on how the account is set up.
That does not remove the need for mileage records where they are required. But it does make fuel spending easier to track.
How sole traders can claim fuel card costs
Sole traders can usually claim fuel costs where the fuel is used for business travel.
This can include journeys to customers, job sites, suppliers, meetings or other work-related locations. Ordinary commuting and personal journeys should not be treated as business travel.
The treatment depends on whether the sole trader is VAT registered.
A VAT-registered sole trader may be able to reclaim VAT on eligible business fuel. If the same vehicle is used for both business and personal journeys, they will need a clear method for separating business use from private use.
A non-VAT-registered sole trader cannot reclaim VAT. Instead, the eligible business fuel cost is considered as part of their business expenses.
Sole traders also need to think carefully about whether they are using actual vehicle costs or simplified mileage expenses.
If they use actual costs, fuel may form part of the running costs they claim for business use. If they use simplified mileage expenses, the mileage rate is intended to cover vehicle running costs, so they would not normally claim fuel separately as well.
This is a good area to check with an accountant because the best approach depends on vehicle use, mileage, records and the wider tax position.
How limited companies can claim fuel card costs
A limited company is a separate legal business, so fuel card spending should be treated as company spending only where the fuel is genuinely for business purposes.
If the company is VAT registered, it may be able to reclaim VAT on eligible business fuel. The company would also record the net fuel cost as a business expense.
If the company is not VAT registered, it cannot reclaim VAT separately. The full cost paid, including VAT, is normally recorded as the business cost where the fuel is allowable.
Limited companies also need to be careful where fuel is used privately by a director or employee.
Private fuel can create extra tax issues. For example, if a company pays for fuel that is used privately, there may be benefit-in-kind considerations depending on the vehicle, arrangement and how the fuel is provided.
That is separate from the fuel card itself.
The fuel card is the payment and record tool. The tax treatment depends on what the fuel was used for.
What if a limited company is not VAT registered?
A limited company that is not VAT registered cannot claim VAT back on fuel card spending.
This does not mean the company cannot claim the fuel cost at all. It means the company cannot split out the VAT and recover it through a VAT return.
For example, if a non-VAT-registered company spends £120 on business diesel using a fuel card, it would normally treat the full £120 as the business fuel cost, assuming the fuel is allowable.
A VAT-registered company might treat the same cost differently by recording the net cost and reclaiming the VAT element where the rules allow.
That distinction is important.
Non-VAT-registered companies should not talk about “claiming the VAT back”. The more accurate phrase is usually “claiming the fuel cost as a business expense”.
How partnerships can treat fuel card spending
Partnerships can also use fuel cards and claim business fuel costs where the fuel is used for business purposes.
The VAT position depends on whether the partnership is VAT registered. If it is VAT registered, it may be able to reclaim VAT on eligible business fuel.
If the partnership is not VAT registered, it cannot reclaim VAT separately. The allowable fuel cost would normally be treated as part of the business expenses.
As with sole traders and limited companies, mixed business and private use needs careful handling.
A partnership should be able to show which fuel costs relate to business travel. Fuel card records can support this, but mileage records may still be needed where vehicles are not used exclusively for business.
Business use, private use and mileage records
Fuel claims are much easier when the vehicle is used only for business.
The difficulty starts when a vehicle is used for both work and personal journeys. This is common for sole traders, directors and small business owners.
For business expense purposes, only the business-use element should normally be claimed.
For VAT purposes, VAT-registered businesses need to be especially careful. They may need detailed mileage records if they are only reclaiming the business-use VAT.
A good mileage record should normally show the date, journey, reason for travel, start and end points, and business miles.
Fuel card records can then sit alongside the mileage record.
The fuel card shows what was bought. The mileage record helps show how the vehicle was used.
Why fuel cards can make business fuel records easier
Fuel cards are useful because they put business fuel spending into one organised place.
Instead of drivers or business owners keeping random receipts from different forecourts, the fuel card account can provide invoices and transaction records in one place. This can make bookkeeping much easier.
With UK Business Buddy fuel cards, customers can use our App to view fuel card information, run reports on fuel use and costs, and download HMRC-compliant invoices. These invoices can help with accounting records, VAT return preparation and general fuel spend management.
For small businesses, that can save time.
For sole traders, it can help separate business fuel from personal bank spending.
For limited companies, it can give cleaner records for the accountant or bookkeeper.
For fleets, it can help track fuel by driver, vehicle or card.
A fuel card can also make fuel costs more visible. If a business is trying to understand where money is going, weekly or monthly fuel records are far easier to review than a pile of receipts.
That visibility can help with budgeting, cash flow and spotting unusual spending patterns.
Common mistakes to avoid
The first mistake is assuming that having a fuel card automatically makes VAT reclaimable.
It does not. VAT reclaim depends on VAT registration, business use and the correct records.
The second mistake is confusing VAT reclaim with business expense claims.
A business that is not VAT registered may still be able to claim fuel as an expense, but it cannot reclaim VAT through a VAT return.
The third mistake is ignoring private use.
If a vehicle is used partly for personal journeys, the business should not simply treat every litre of fuel as business fuel without proper records or the correct VAT treatment.
The fourth mistake is relying only on card statements.
Fuel card statements and invoices are useful, but they may not prove the business purpose of every journey on their own. Mileage records can still matter.
The fifth mistake is not checking whether actual costs or mileage rates are being used.
For sole traders especially, claiming fuel separately may not be correct if simplified mileage expenses are being used.
What records should fuel card users keep?
A business should keep records that show what was spent, when it was spent, and why the cost was business-related.
Useful records can include fuel card invoices, transaction reports, VAT invoices, mileage logs, vehicle records and notes showing the business purpose of journeys.
For VAT-registered businesses, VAT invoices are especially important.
With Radius fuel cards, invoices can be downloaded through Radius Velocity. That can make it easier to keep records together, send information to an accountant, check previous fuel spend and support VAT return preparation where VAT reclaim is relevant.
For sole traders and small companies, clean records also make life easier when preparing accounts, tax returns or management figures.
The best habit is to treat the fuel card as part of the record-keeping system, not the whole system.
The card records the purchase. The business still needs to show that the cost was allowable.
The key takeaway for business fuel card users
Fuel card costs can often be claimed as a business expense when the fuel is used for business purposes.
VAT reclaim is different. Only VAT-registered businesses can reclaim VAT, and mixed business/private use needs proper handling.
For non-VAT-registered sole traders, partnerships and limited companies, the VAT is not claimed back separately. It is usually part of the overall fuel cost, where the expense is allowable.
The real value of a fuel card is organisation.
It gives a business clearer fuel records, downloadable invoices, better visibility and less reliance on loose receipts. That can make fuel spending easier to manage, easier to review and easier to explain to an accountant.
Frequently Asked Questions About Diesel Fuel Cards
Yes, fuel card costs can usually be claimed as a business expense where the fuel is used for business purposes. The exact treatment depends on your business structure, whether you are VAT registered, and whether the vehicle is used only for work or also for private journeys.
You can only reclaim VAT on fuel card spending if the business is VAT registered and the fuel is used for business purposes. If the vehicle is also used privately, you may need to keep detailed mileage records or apply the correct VAT fuel scale charge.
No, a non-VAT-registered sole trader cannot reclaim VAT through a VAT return. However, they may still be able to claim eligible business fuel costs as an allowable expense when calculating taxable profit.
Yes, a limited company can usually claim fuel card costs where the fuel is used for business purposes. If the company is VAT registered, it may also be able to reclaim VAT on eligible business fuel, subject to the correct rules and records.
A limited company that is not VAT registered does not reclaim the VAT separately. Instead, the full eligible fuel cost, including the VAT paid, is normally treated as part of the company’s business expense.
Fuel card invoices and transaction reports can help support business fuel records. With Radius fuel cards, customers can download HMRC-compliant invoices through Radius Velocity, which can help with bookkeeping, accounting records and VAT return preparation. Businesses should still keep mileage records where there is mixed business and private use.
Yes, but only the business-use element should normally be claimed. VAT-registered businesses may need to either reclaim only the business-use VAT with mileage records, or reclaim all VAT and apply the correct fuel scale charge where private use is involved.
Yes, a fuel card can still be useful even if the business is not VAT registered. It can help organise fuel spending, reduce receipt chasing, improve visibility, and make it easier to separate business fuel from personal spending.
References
GOV.UK — Reclaim VAT on business expenses
https://www.gov.uk/charge-reclaim-record-vat/reclaim-vat-business-expenses
GOV.UK — Work out your VAT fuel scale charge
https://www.gov.uk/fuel-scale-charge
GOV.UK — VAT road fuel scale charges from 1 May 2025 to 30 April 2026
https://www.gov.uk/guidance/vat-road-fuel-scale-charges-from-1-may-2025-to-30-april-2026
GOV.UK — Expenses if you’re self-employed: Car, van and travel expenses
https://www.gov.uk/expenses-if-youre-self-employed/travel
GOV.UK — Simplified expenses if you’re self-employed: Vehicles
https://www.gov.uk/simpler-income-tax-simplified-expenses/vehicles-
GOV.UK — How VAT works: VAT thresholds
https://www.gov.uk/how-vat-works/vat-thresholds
GOV.UK — Travel: mileage and fuel rates and allowances
https://www.gov.uk/government/publications/rates-and-allowances-travel-mileage-and-fuel-allowances/travel-mileage-and-fuel-rates-and-allowances
