Your Companies House authentication code is used to file documents online. We explain what it is, where to find it, and what to do if it's lost.
Company Guides22 December 2023·7 min read
This guide hasn't been migrated to the new site yet. It's still available on our main site in the meantime.
Check your name against the live Companies House register and file the same day.
Check a nameEven below the VAT threshold, voluntary registration can offer advantages — particularly if you deal with VAT-registered businesses. We help you decide.
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Protect yourself from fraud. This guide covers how to verify a UK company via Companies House and spot warning signs of illegitimate businesses.
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Covering voluntary strike-off, Members' Voluntary Liquidation, and creditors' processes — your options when winding up a UK limited company.
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