Companies House forms — simplified.
18of the most-filed Companies House forms, grouped by what you’re actually trying to do — incorporate, change something, file annually, or close. Plain-English caption per form and a direct link to the official gov.uk version.
Incorporation & company set-up
Forms used to start a new UK limited company.
- IN01
Application to register a company
The main incorporation form — directors, shareholders, share capital, registered office.
- IN01 (PLC)
Application to register a public limited company
PLC variant of IN01 — used when forming a public company limited by shares.
- IN01 (CLG)
Application to register a company limited by guarantee
For not-for-profit companies, charities, sports clubs, etc.
Changes to a registered company
Updates to directors, secretaries, PSCs, and the registered office.
- AP01
Appoint a director
Used whenever you bring a new individual onto the board.
- AP02
Appoint a corporate director
Same as AP01 but for an appointed company rather than a person.
- TM01
Termination of a director appointment
File within 14 days of the resignation.
- CH01
Change of director details
Director name, address, occupation, nationality changes.
- AD01
Change of registered office address
File before the change takes effect so post lands in the right place.
- PSC01
Notice of an individual PSC (person with significant control)
Required when a new individual gains 25%+ of shares or voting rights.
- PSC07
Cease to be a PSC
When someone's holding drops below the PSC threshold.
Annual filings
The yearly forms every active company must submit.
- CS01
Confirmation Statement
Annual confirmation that company data on the public register is up to date. Due within 14 days of your made-up date.
- AA01
Change of accounting reference date
Shorten or extend your accounting period — limited to once every 5 years for extensions.
- AA02
Dormant Company Accounts
Simplified accounts for companies that have not traded in the period.
Closing a company
Voluntary dissolution and strike-off.
We file these for you — at no extra cost.
Every Companies House filing for active Zmartly clients is included in the monthly plan — confirmation statements, director changes, share allotments, the lot. You never have to touch the form yourself.

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