Free tools
Free business naming tools for UK founders
Everything on this page is free to use with no account. Link to it, share it with a client, or hand it to a student founder: it covers every check a name has to pass before it is safe to build on.
Checkers
One form behind all of them. Each page explains a different question the same check answers.
UK business name checker
Companies House, sensitive words, domains and a trademark count in one free check.
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Company name availability checker
Is the company name free to register? The registrar’s own rules, with the conflict named.
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Companies House name checker
The register searched with the registrar’s own normalisation, plus the rules the official search skips.
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Trademark name checker
Similar live marks in your classes, scored for how they look and sound. Pre-screening, not legal advice.
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Company name and domain checker
Companies House and five domain extensions in one check, with must-have domains treated as conflicts.
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Brand name checker
Trademark, register, domain, handle and linguistic screening for a name you will build a brand on.
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Generators, references and downloads
Sensitive words checker
Instantly see whether a name contains a word Companies House needs approval for, and who to ask.
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Business name generator
Ideas that have already survived the Companies House, domain and trademark checks.
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Business name checklist (14 checks)
The printable checklist to run before you register, buy the domain or order signage. Free PDF.
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Trademark class reference
All 45 Nice classes in plain English, with what each covers and which classes travel together.
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Naming guides by industry
Sector-by-sector: the classes, the clichés and the register traps for your kind of business.
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Research: how the UK names its businesses
Original data on name clashes, domains and naming trends, with the method and a data download.
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Linking to these tools
If you write guides for founders, run a formation, accountancy or design practice, or support student enterprise, you are welcome to link to any page here. The checkers stay free, the data behind the research is published with its method, and nothing here is legal advice. If you would like a version of the checklist with your own branding for clients, email [email protected].