Everything individuals, businesses, and service teams need to know about the UK government’s new sign‑in and digital identity platform—GOV.UK One Login. Clear steps, comparisons, troubleshooting, privacy and security, rollout timeline, and future roadmap.

As chartered accountants working with individuals and businesses across the UK, we regularly assist clients with HMRC access issues. This guide answers all your questions about the Government Gateway User ID, including how to retrieve it and why it matters.

In this guide, we’ll walk you through everything you need to know to set up your HMRC personal tax account — including what you need, how to register, and the benefits of having one.