HM Revenue and Customs (HMRC) has launched an improved online registration service for Self Assessment, making it easier for customers to register for the 2025 to 2026 tax year.

UK · 2026-09-09

1. Step 1 · The triggerHMRC launches an improved online Self Assessment registration service, reducing friction for new registrants.
2. Step 2 · Knock-onFaster, simpler registration increases the number of individuals and SMEs able to onboard and receive their UTR in time for the 2025/26 tax year.
3. Step 3 · Reaches youSMEs and sole traders reduce compliance risk and administrative delays, improving their ability to meet tax deadlines and avoid penalties.

The trigger is reported by the source below. The steps that follow are Branch²’s traced reasoning — how the shock could reach a business like yours, not a prediction.

Source: HM Revenue & Customs

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