Understanding which expenses you can claim as a sole trader is one of the simplest ways to reduce your tax bill. This guide breaks down the rules on allowable expenses, capital allowances, home office costs, and mileage so you can confidently claim every deduction you're entitled to — and avoid paying more tax than you need to.

As UK businesses continue shifting toward flexible, digital-first operations, traditional office-based bookkeeping is quickly being replaced by remote, cloud-based solutions. This change isn’t just about convenience — it’s about smarter, more efficient financial management.

If you're a freelancer in the UK, understanding and managing your self assessment tax obligations is essential. Whether you're just starting out or have been self-employed for years, getting your tax return right means avoiding penalties, maximising allowable expenses, and staying in control of your income.