Allowable Expenses

Calculate deductible business expenses and reduce your tax bill

Is this expense claimable?

Describe an expense and our AI will suggest the HMRC category and whether it's likely deductible.

🏠 Home Office

Note: the employee flat-rate WFH deduction (£6/week) is removed from April 2026. The self-employed simplified rate below is unaffected. HMRC source

🚗 Business Travel

45p/mile (first 10,000) · 25p/mile after

📱 Phone & Internet

💼 Other Business Costs