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Official links

Useful official tax and company links

Direct routes to frequently used UK government services and guidance.

Last reviewed: 27 July 2026Review due: 6 April 2027

Overview

Use official government services for filings, payments and status checks. Be cautious with sponsored search results and unofficial websites that charge for services available directly from GOV.UK.

Who this applies to

Businesses and individuals managing UK tax, payroll, VAT and Companies House obligations.

Key points

  • HMRC business tax account: Corporation Tax, VAT and PAYE access.
  • Personal tax account and Self Assessment services.
  • Companies House find and update company information.
  • Companies House WebFiling and identity-verification guidance.
  • Government Gateway and GOV.UK One Login services.
  • HMRC payment pages using the correct reference.

Important dates and deadlines

Official accounts display personalised dates. Sign in early enough to resolve access, identity or authentication problems before the deadline.

Practical checklist

  1. Start from GOV.UK or the official Companies House domain.
  2. Check the company or taxpayer reference.
  3. Use secure password management and multi-factor authentication.
  4. Do not email authentication codes or personal verification codes.
  5. Save filing receipts.

Frequently asked questions

Why avoid search adverts?

Third-party services can look official, charge unnecessary fees or collect sensitive information.

Can Accountants4All access everything automatically?

Authorisations and service access vary, and some personal or company actions must be completed by the client.

How Accountants4All can help

Support matched to your circumstances

Accountants4All can explain which official service is required and record completed actions in the client portal.

Start an enquiry

Official sources and further reading

Important disclaimer

Figures and dates can change and special rules may apply. This resource is general guidance and not a substitute for personalised professional advice.

Read the full tax disclaimer