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Home › Free Tools › Business Name Checker
🔍 Free Tool

Business Name Checker

Check if your business name is available at Companies House and as a .co.uk domain — instantly and for free.

🔍 Search a business name

Searches the Companies House register and checks .co.uk domain availability.

📋 UK Company Name Rules (Companies Act 2006)

  • Must end in "Limited", "Ltd", "PLC" or Welsh equivalents (for limited companies)
  • Cannot be the same as or too similar to an existing registered name
  • Cannot include sensitive words (e.g. "Royal", "Bank", "University") without approval
  • Cannot be offensive or misleading
  • Must be between 1 and 160 characters
  • Punctuation is largely ignored when checking for similarity
Tide
Once You've Chosen Your Name
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