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How to tell HMRC if there's a change to your personal details - address, name, income, marital status, gender

• Change of name or address

  You need to tell HM Revenue and Customs (HMRC) if you’ve changed your name…

• Income changes

  You must tell HM Revenue and Customs (HMRC) about changes to your taxable…

• Relationship or family changes

  Tell HM Revenue and Customs (HMRC) if: you get married or form a civil…

• Gender change

  HM Revenue and Customs (HMRC) is usually told automatically when you…

Data security control principles to use when processing and sharing personal data in your service.

• Updated: 25 June 2025

How we comply with data protection law, including the General Data Protection Regulation (GDPR), when using personal information in our statistics.

• Updated: 24 January 2023

Personal data an employer can keep about an employee, and employee rights to see this information under data protection rules

What the company register is, what details you need to give to Companies House, and how the public can access this information.

• Updated: 18 November 2025

The Data Protection Act (DPA) controls how personal information can be used and your rights to ask for information about yourself

How to tell Companies House that a company is using personal information such as your name and address without your consent.

• Updated: 16 September 2025

Find out how to ask for a copy of the information that is held about you. This is called the 'right of access' also known as a subject access request (SAR).

• Updated: 6 October 2025

If you've been sent a letter or asked by HMRC, use this form to send evidence of your personal details.

• Updated: 15 November 2024

Practical steps to manage the risk of online harms if your online platform makes users’ account details and activity visible to others.

• Updated: 29 June 2021