Working for yourself in the UK: register by 5 October, sole trader taxes in 2026 and HMRC's digital rules
Started working for yourself in 2025/26? You must register for Self Assessment by 5 October or risk a penalty. The HMRC rules: the £1,000 threshold, 6% and 2% contributions, a free pension record from £7,105 of profit, and the Making Tax Digital quarterly updates already mandatory above £50,000.
26 September 2026
