14 guides covering every type of business expense UK businesses can claim — from mileage and home office costs to staff entertainment, bad debts, and subcontractor payments.
Claiming all your allowable business expenses is one of the simplest ways to reduce your tax bill — but many UK business owners miss out because they're unsure what they can claim. These guides cover every major expense category with clear HMRC rules and practical examples.
From mileage logs to home office calculations, each guide explains exactly what you can claim, how to record it, and what evidence HMRC expects you to keep.
A comprehensive list of allowable business expenses and how to claim them correctly against your tax bill.
HMRC approved mileage rates, how to keep a mileage log, and what travel costs are allowable.
The flat rate method vs actual costs — how to calculate and claim home office expenses correctly.
How to claim vehicle costs — capital allowances, running costs, and the difference between business and personal use.
How to apportion phone and broadband costs between business and personal use — and what HMRC allows.
How to claim computers, software subscriptions, and office equipment — expensing vs capital allowances.
The £150 annual function exemption, trivial benefits, and the rules around client entertainment.
Which professional fees are allowable business expenses — and how to record them correctly.
When training costs are allowable, the difference between updating skills and learning new ones, and CPD costs.
How to correctly record subcontractor costs, CIS deductions, and what records HMRC requires.
How employer pension contributions reduce your Corporation Tax or income tax bill — and how to record them.
Which bank charges and loan interest are allowable expenses — and how to record them in your accounts.
When you can write off a bad debt, how to reclaim the VAT, and how to record it in your accounts.
How to create an employee expenses policy, approve claims, and reimburse staff correctly.