HM Revenue & Customs provides guidance on authorising an agent to handle tax affairs, detailing the process for different tax services.

UK · 2026-07-10

1. Step 1 · The triggerHMRC updates agent authorisation guidance, clarifying digital routes and reducing administrative friction.
2. Step 2 · Knock-onSMEs using agents face lower switching costs and faster onboarding, improving compliance efficiency.
3. Step 3 · Reaches youReduced error rates in tax submissions lower the probability of HMRC penalties for SMEs, improving cash flow predictability.

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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