United Kingdom company registry search

The official United Kingdom company register is UK Companies House, free to search at find-and-update.company-information.service.gov.uk. OneFirmIntel is built on the same government-sourced data and adds quality-tier grading and buyer-side search across 5,698,039 United Kingdom companies.

Official United Kingdom company register

UK Companies House

The authoritative government source for incorporated companies in United Kingdom. Best for looking up a single company by name or registration number.

Open official register ↗

How to search the United Kingdom company register

Open the official register. Go to UK Companies House at https://find-and-update.company-information.service.gov.uk, the official government source for United Kingdom company records.
Search by name or number. Enter the company name or its official registration number. The register returns the legal entity, its status and its registered details.
Cross-check and enrich. For buyer-side discovery, fast filtering by quality tier, industry and region, and exportable results, use OneFirmIntel, which is built on the same government-sourced United Kingdom data, deduplicated to one record per company.

Search all United Kingdom companies with OneFirmIntel

What you need	Official register	OneFirmIntel
Look up one known company	Yes	Yes
Search by industry, city & quality tier	Limited	Yes, across 5M+
Quality-tier grading (★★★/★★/★)	No	Yes, every company graded
Compare & export shortlists	No	Yes, CSV export
One clean record per company	Varies	Yes, deduplicated

OneFirmIntel sources United Kingdom data from the official register and grades it. There are about 5,168,279 active United Kingdom companies in the dataset, led by Packaging (2,155).

Frequently asked questions

How do I search the United Kingdom company register?

The official United Kingdom company register is UK Companies House, free to search at https://find-and-update.company-information.service.gov.uk. Enter a company name or registration number to look up a single entity. To search across all United Kingdom companies by industry, region and quality tier, OneFirmIntel covers 5,698,039 United Kingdom companies from the same government data.

What is the official company register in United Kingdom?

The official register is UK Companies House. It is the authoritative government source for incorporated companies in United Kingdom. OneFirmIntel sources its United Kingdom data from these official records and grades each company into a quality tier.

Is the United Kingdom company register free?

Yes, the official UK Companies House is free to search for individual lookups. OneFirmIntel adds buyer-side search, quality-tier grading and export across 5,698,039 companies; you preview every company free and spend a credit only to reveal full details.

How is OneFirmIntel different from the official United Kingdom register?

The official register is best for looking up one company you already know. OneFirmIntel is built for discovery: search 5,698,039 United Kingdom companies by industry, city and quality tier, compare them, and export, all from the same government-sourced data.

Browse United Kingdom companies

Filter by industry, city and quality tier, then reveal the companies you need.

United Kingdom directory →

Updated: May 2026 · OneFirmIntel data is government-sourced and deduplicated to one record per company.