Companies House

Confirmation Statement

The annual Companies House Confirmation Statement (CS01) and its six additional information pages: what each part is for, when to file and the key requirements.

Forms covered

FormDescription
CS01Confirmation Statement (version 7.0, 02/26), section 853A Companies Act 2006
CS01 Part 1SIC code change
CS01 Part 2Statement of capital change
CS01 Part 3Trading status of shares and PSC exemption
CS01 Part 4Shareholder information change
CS01 Part 5Registered email address
CS01 Part 6Director’s identity verification

Deadlines and fees

  • Must be delivered within 14 days of the confirmation date.
  • File at least every 12 months. Filing early starts a new period.
  • £50 online or £110 on paper for the first statement in each 12-month period.
  • Late or missed filing can lead to a fine of up to £5,000 and possible strike-off.

Key points

  • Officer, PSC, registered office or SAIL changes can’t be made on the CS01. File them separately.
  • Additional parts are included only where information has changed.
  • The lawful purpose box must be ticked.
  • Identity verification details are needed for each current director not already verified.

FAQs

Frequently asked questions

Can I report director or PSC changes on the CS01?

No. File those on the appropriate forms, before or at the same time.

Who can authenticate the CS01?

A director, secretary or other authorised person, by entering their printed name.

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