The 2026 Guide to Confirmation Statements
Rachel Moore
Compliance Lead • 6 Min Read
Key Summary
- Filing is mandatory every 12 months for all UK companies.
- The deadline is strictly 14 days from the confirmation date.
- Failing to file results in company strike-off and loss of assets.
Introduction
Maintaining a UK company requires more than just high-quality service; it requires unwavering statutory compliance. The Confirmation Statement (CS01) is the single most important annual document you will file with Companies House. It is your official declaration that your company's vital signs are accurate and active.
The Step-by-Step Filing Roadmap
Step 1: Access and Preparation
Begin by gathering your statutory records. You will need your WebFiling authentication code or access to an Authorized Corporate Service Provider (ACSP) portal. Ensure you have reviewed your register of members and directors before starting the process.
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Start Your Formation & ComplianceStep 2: Data Verification
During the filing, you must cross-reference and confirm the following data points:
- Registered Office Address: Must be a physical UK location.
- Officer Details: Directors, secretaries, and their service addresses.
- Share Capital: Exact breakdown of issued shares and shareholders.
- SIC Codes: Correct classification of your business activity.
Step 3: PSC Identity Verification
Critical Update: As of 2026, all People with Significant Control (PSC) must have verified identity status to file a valid Confirmation Statement. This is a non-negotiable legal requirement under the Economic Crime and Corporate Transparency Act.
The Cost of Non-Compliance
Failing to submit the CS01 within the 14-day window is a criminal offense. The consequences are severe:
- Criminal Prosecution of company directors.
- Company Dissolution: Companies House will assume the business is no longer trading.
- Asset Forfeiture: Any assets held by a dissolved company transfer to the Crown.
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Sarah from London
Just registered a company • 2m ago