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If you operate a limited company in the UK, you are legally required to keep your company information accurate and up to date with Companies House. One of the most important compliance filings to do this is called the Annual Confirmation Statement.

What Is an Annual Confirmation Statement?

The Annual Confirmation Statement, officially known as Form CS01, is a document submitted to Companies House to confirm that the company details on record are accurate. It replaced the older Annual Return in 2016 but serves a similar purpose.

You must file this document at least once a year, even if your company’s information has not changed. Filing the confirmation statement shows that your company is still active and operating legally.

Why Is It Required?

Companies House uses this filing to maintain transparency in the public register. The Confirmation Statement confirms the basic facts about your company including:

• Company name and registered office address
  

• Company officers (directors and company secretary, if applicable)
  

• Shareholders and their shareholdings
  

• People with Significant Control (PSC)
  

• SIC code (business activity classification)
  

This filing ensures that anyone checking your company’s details — including clients, banks, investors, and regulators — has access to current and accurate information.

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When Do You File It?

The confirmation statement is due once every 12 months. Your first filing is due within 12 months of incorporation, and after that, every 12 months following the last statement’s confirmation date.

You have 14 days from the due date to submit it. While it is an annual requirement, you can also file an updated confirmation statement any time during the year if company details change.

What Information Is Included?

The Annual Confirmation Statement includes:

• Registered office address
  

• Current directors and company secretary (if applicable)
  

• Shareholders and their shareholdings
  

• Statement of capital (if your company has shares)
  

• SIC code (which defines your business activity)
  

• People with Significant Control (PSC)
  

If any of this information has changed since your last statement, you must update it before or at the time of filing the confirmation statement.

What Happens If You Do Not File?

Failing to submit your confirmation statement on time can result in serious consequences:

• Your company may be struck off the register
  

• Directors can be prosecuted or fined
  

• You may lose access to banking services or face compliance issues with HMRC
  

There is no financial penalty for late filing of the confirmation statement, but the risk of your company being removed from the register makes it critical to file on time.

How to File a Confirmation Statement

You can file your statement in two ways:

1. Online via WebFiling – This is quicker and cheaper (currently £13)
   

2. By post using paper form CS01 – Slower and more expensive (currently £40)
   

Online filing is strongly recommended for speed, accuracy, and instant confirmation of submission.

To file online, you will need your company number and authentication code (a 6-character security code provided by Companies House).

Final Thoughts

The Annual Confirmation Statement is a simple but essential part of managing a UK limited company. It helps Companies House maintain accurate public records and ensures that your company stays compliant and visible to the public, potential partners, and investors.

Remember to check and update your records each year, and don’t ignore the filing deadline. A few minutes of effort can help you avoid unnecessary risks and show that your company is actively and responsibly managed.