By
August 10, 2026
What Expenses Can a UK Limited Company Claim?
If you run a UK limited company, claiming legitimate business expenses can reduce your company's taxable profit and therefore potentially reduce its Corporation Tax bill.
However, not every purchase made by a company is automatically tax deductible. In general, expenses must meet the relevant HMRC rules and usually need to be incurred for business purposes.
Understanding which costs your limited company can claim is an important part of managing your company's finances and tax obligations.
Allowable expenses are business costs that can generally be deducted when calculating taxable profits, provided they satisfy the relevant tax rules.
For many expenses, an important principle is that they must be incurred wholly and exclusively for the purposes of the company's trade.
For example, if your company earns £80,000 and has £20,000 of allowable expenses, its taxable trading profit before other relevant adjustments may be approximately:
£80,000 − £20,000 = £60,000
Corporation Tax would then generally be calculated using the company's taxable profits after taking account of applicable deductions, allowances and reliefs.
Depending on the nature of your business, common allowable company expenses can include:
Your limited company may be able to claim business-related office expenses such as:
The expense should relate to the company's business activities.
Equipment required to operate your business may qualify for tax relief.
Examples can include:
Some equipment purchases are dealt with through capital allowances rather than being deducted as an ordinary business expense.
Your company can generally claim qualifying business communication costs.
These may include:
Where an expense has both personal and business use, the tax treatment can be more complicated.
Many professional services required to operate your company can potentially be claimed.
Examples include:
Whether a particular professional fee is deductible depends on its purpose and the applicable tax rules.
Insurance policies taken out for business purposes can generally be allowable company expenses.
These might include:
The type of insurance required will depend on the company's activities.
Costs incurred promoting your business can generally be deductible.
Examples may include:
For online businesses, advertising and digital marketing can represent a significant proportion of company expenses.
Your company may be able to claim qualifying travel expenses incurred for business purposes.
Examples can include:
However, ordinary commuting between home and a permanent workplace is generally not treated in the same way as qualifying business travel.
Specific rules also apply to temporary workplaces and directors who work at different locations.
If your company employs staff, qualifying employment costs can generally be deducted when calculating profits.
These can include:
Director salaries may also be a company expense where properly operated through payroll and subject to the relevant rules.
Training costs may be allowable where they relate to the company's existing business activities and meet the applicable tax requirements.
Examples could include:
Not all education or training expenses automatically qualify, particularly where they relate to establishing a completely new trade or profession.
Modern businesses often pay for multiple digital services.
Potential business expenses can include:
For example, an online retailer may incur costs for its website platform, accounting software, payment systems and other services needed to operate the business.
Certain costs associated with the company's business finances can potentially be deductible, including:
Different tax rules can apply to loans, interest and other financing arrangements.
If you operate your limited company from home, the company may be able to reimburse certain qualifying home-working costs.
There are specific HMRC rules governing what employees and directors can claim when working from home.
Alternatively, depending on the circumstances, there may be arrangements for the company to pay towards additional household costs caused by working from home.
Care should be taken when claiming substantial household expenses through a limited company.
Sometimes.
Food and meal expenses are not automatically deductible simply because you are working.
However, reasonable meal costs may potentially qualify as part of eligible business travel or subsistence expenses where the relevant HMRC conditions are satisfied.
Routine personal meals generally remain personal expenses.
Cars and other vehicles have their own tax rules.
A company may purchase or lease a vehicle, but the tax treatment can depend on factors such as:
Electric vehicles can also be subject to specific tax treatment.
Because company vehicles can involve Corporation Tax, VAT and Benefit in Kind considerations, professional advice may be worthwhile before purchasing a vehicle through your company.
Generally, personal expenses should not simply be treated as company business expenses.
If your company pays for something that is primarily for your personal benefit, it could potentially be treated as:
The correct treatment depends on the circumstances.
Keeping business and personal spending separate makes accounting and tax reporting significantly easier.
Keeping evidence of company expenditure is extremely important.
Depending on the transaction, records might include:
Good record keeping helps demonstrate that an expense was genuinely incurred by the business and supports the company's accounting and tax records.
Not every company payment is an allowable Corporation Tax deduction.
Examples of costs that may not be deductible, or may be subject to special rules, include:
It is important to check the specific HMRC rules rather than assuming that every company purchase reduces taxable profit.
Business entertainment deserves particular attention.
Although a company may pay for entertaining clients or potential customers, business entertainment is generally not deductible when calculating taxable profits for Corporation Tax purposes.
This is a common area where business owners can mistakenly assume an expense is allowable simply because it was paid from the company bank account.
Claiming all legitimate allowable expenses can reduce your company's taxable profit and potentially its Corporation Tax liability.
At the same time, incorrectly claiming personal or non-deductible expenses can create accounting and tax problems.
A good approach is to:
A UK limited company can potentially claim a wide range of costs, from accounting fees and office supplies to software, advertising, business travel, insurance and employee costs.
The key question is not simply whether the company paid for something, but whether the expense qualifies for tax relief under the relevant rules.
Before claiming an unusual or substantial expense, check the latest HMRC guidance on GOV.UK or speak with a qualified accountant or tax adviser.
Accurate expense records can help your company claim legitimate deductions while ensuring its accounts and Corporation Tax calculations remain compliant.
This article is for general information only and does not constitute tax, accounting or legal advice. Tax treatment depends on individual circumstances and can change. Always check current HMRC guidance or obtain professional advice where necessary.
