FileSimple
File your micro-entity accounts

The 3-minute tax bridge for UK limited companies. Compile, validate, pay, and submit your FRS 105 iXBRL accounts to Companies House.

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Company Details

Enter your Companies House registration number and authentication code.

Company Number
Find it on your certificate of incorporation or search the Companies House registry online.
Your 8-character Companies House registration number.
WebFiling Authentication Code
Find it on official correspondence from Companies House, or request a new one online to be sent to your registered office.
This is the code you use to file on the Companies House website.