Thinking of becoming self-employed in the UK? This step-by-step guide explains exactly when and how to register with HMRC, what information you’ll need, the deadlines to watch, and the common mistakes new sole traders should avoid. Learn how Self Assessment, National Insurance, allowable expenses, and UTR registration all work - plus why getting early support from an accountant can make the process smoother and fully compliant.

The Autumn Budget 2025 could bring meaningful changes for SMEs, freelancers, and company directors. While we don’t know all the details until 26 November, preparing your business now is the best defence against unexpected costs.

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.