Guides

Learn how to use UK Companies House data effectively for B2B research, lead generation, and due diligence.

UK Company Types Explained

Understand UK company types (LTD, PLC, LLP, CIC and more) and how filtering by company type improves B2B searches and lead lists.

What SIC codes are, how Companies House uses them, and how to filter by SIC code to build accurate UK B2B company lists.

Understand UK company statuses such as Active, Dissolved, Liquidation and Administration, and how filtering by status improves B2B searches.

Learn how UK company numbers work, what prefixes like SC, NI, OC and LP mean, and how to use company numbers for smarter searches.

Learn about directors, secretaries, resignations, and disqualifications.

Understand UK company accounts data from Companies House, including net assets, equity, and why turnover is often not available.

Learn how UK postcode and location searching works, why geography matters for B2B research, and how to use postcode prefixes effectively.

Learn how UK company age and incorporation dates work, why business age matters for B2B targeting, and how to use age filters effectively.

Understanding company charges, insolvency proceedings, and dormant company status for risk assessment and research.

Understand which UK company types have charges, insolvency filings, accounts, dormancy, resignations and other data recorded at Companies House.

Our guides cover the most common questions about UK company data. If you can't find what you're looking for, get in touch.

Updated Daily

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Updated over the weekend.

Updated Monthly

Updated 1st or last day of month.