Free Business Tools

Practical tools for UK company research, due diligence, and compliance. Accountants, B2B sales teams, and compliance teams use them to verify businesses, check filing status, and find the data they need from Companies House and HMRC.

Every tool is free to use and draws on official public register data. Pick a tool below, grouped by what you are trying to do.

Company Lookup

• Free Company Search - Search over 5.7 million UK companies.
• Company Director Search - Search for UK company directors, secretaries, and officers.
• Registered Office Checker - Look up any UK company's official registered address.
• PSC / Beneficial Ownership Lookup - Find who owns and controls any UK company.
• UK VAT Number Checker - Verify any UK VAT registration number instantly using HMRC's official database.
• Company Age Calculator - Find out exactly how old any UK company is.

Company Formation

• Company Name Checker - Check if your proposed company name is available at Companies House.
• Business Name Generator - Generate UK company name ideas and check availability at Companies House.
• SIC Code Lookup - Search and browse all UK SIC 2007 codes.
• SIC to NAICS Converter - Convert UK SIC codes to their US NAICS equivalents.

Compliance & Filing

• Filing Deadline Calculator - Check when a company's accounts and confirmation statement are due.
• Company Dormancy Checker - Check if a UK company is dormant or actively trading.