# Companies House, free: Company enrichment API

> Get the basic company information

Companies House's company enrichment API on its Free plan. It costs $0.00 per 1,000 companies. It returns 4 of the 13 key fields we check: Industry, Type and status, Headquarters, Revenue and budgets.
You get up to 5,184,000 calls a month.
Half of the 848 plans we rank by price cost $12.45 per 1,000 companies or less. This plan and 4 others tie for the lowest price per 1,000 companies of the 848 plans.
[GetProspect](https://datacircle.dev/company-enrichment-apis/getprospect/49-monthly-starter-post-v2-companies-enrich/llms.txt), [Companies House](https://datacircle.dev/company-enrichment-apis/companies-house/free/llms.txt) and [Hunter](https://datacircle.dev/company-enrichment-apis/hunter/299-monthly/llms.txt) are the best company enrichment API providers in our benchmark.

- This page: https://datacircle.dev/company-enrichment-apis/companies-house/free
- [Best company enrichment API in 2026: pricing compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://www.api.gov.uk/ch/companies-house/
- Request: `GET https://api.company-information.service.gov.uk/company/{company_number}`
- API key: with the plan, on https://www.api.gov.uk/ch/companies-house/
- Its API docs: https://developer-specs.company-information.service.gov.uk/companies-house-public-data-api/reference/company-profile/company-profile
- Sold by: Companies House (https://www.gov.uk/government/organisations/companies-house)
- Checked: 2026-10-30

## In the answer

- Completeness: 31%
- Industry: ✓
- Type and status: ✓
- Headquarters: ✓
- Revenue and budgets: ✓

## Score

- Overall score: 67.8
- Price score: 100
- Data score: 36
- Cost to get started score: 100
- Bundle score: 0
- Performance score: 100

## Price

- $ per 1,000 companies: $0.00
- Per: call
- Billing: free

## Aggregators

- Aggregators: none

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Get the basic company information

## Data

- Keep data: no limit
- Use data: "Companies House imposes no rules or requirements on how the information on the public register is used." "We place no restriction on how the information is used after purchase, other than the following:" "all customers, including bulk customers, must take their own legal advice regarding possible breach of third party copyright" "customers cannot reproduce the Crown insignia" "if information is used from guidance notes, the website, publications or statistical tables the customer must credit Companies House as the source of the information". Developer guidelines: "We reserve the right to ban without notice applications that regularly exceed or attempt to bypass the rate limits."

## Plan

- Pay: $0
- Enough for: 5,184,000 calls a month

## Rate limit

- Per second: 2
- Batch: 1

## Speed

- Answer: in the call
- Median: 0.00 s

## The call

- You send: company_number
- Method: GET
- Path: /company/{company_number}

## About the plan

- Plan: Free
- Who can get it: anyone with a Companies House user account

## The 95 fields the plan's answer can hold

ETag, company name, company number, company status, company status detail, company type, company subtype, jurisdiction, date of creation, date of cessation, can file, has been liquidated, has charges, has insolvency history, is community interest company, external registration number, last full members list date, partial data available, registered office is in dispute, undeliverable registered office address, super secure managing officer count, SIC code, previous company names, previous name effective from, previous name ceased on, premises, address line 1, address line 2, care of, locality, region, postal code, country, PO box, service premises, service address line 1, service address line 2, service care of, service locality, service region, service postal code, service country, service PO box, accounting reference date day, accounting reference date month, last accounts made up to, last accounts period end date, last accounts period start date, last accounts type, next accounts due date, next accounts overdue, next accounts period end date, next accounts period start date, accounts next due, accounts next made up to, accounts overdue, annual return last made up to, annual return next due, annual return next made up to, annual return overdue, confirmation statement last made up to, confirmation statement next due, confirmation statement next made up to, confirmation statement overdue, branch business activity, branch parent company name, branch parent company number, corporate annotation created on, corporate annotation description, corporate annotation type, foreign accounting requirement account type, foreign terms of account publication, foreign account period from day, foreign account period from month, foreign account period to day, foreign account period to month, foreign must file within months, foreign business activity, foreign company type, foreign governed by, foreign is a credit finance institution, foreign originating registry country, foreign originating registry name, foreign registration number, link to charges, link to exemptions, link to filing history, link to insolvency, link to officers, link to overseas, link to persons with significant control, link to persons with significant control statements, link to registers, link to self, link to UK establishments

## Companies House's plans (1)

- [Companies House, free](https://datacircle.dev/company-enrichment-apis/companies-house/free/llms.txt): $0.00 per 1,000, 31% complete

## Companies House's calls for this API (1)

- `GET /company/{company_number}`: [Companies House, free](https://datacircle.dev/company-enrichment-apis/companies-house/free/llms.txt)

## Companies House's APIs (4)

- [Companies House: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/companies-house/free/llms.txt)
- [Companies House: people enrichment API pricing, 1 plan](https://datacircle.dev/person-enrichment-apis/companies-house/free/llms.txt)
- [Companies House: business verification API pricing, 1 plan, GET /advanced-search/companies](https://datacircle.dev/business-verification-apis/companies-house/free-get-advanced-search-companies/llms.txt)
- [Companies House: business verification API pricing, 1 plan, GET /search/companies](https://datacircle.dev/business-verification-apis/companies-house/free-get-search-companies/llms.txt)
- [Companies House: people search API pricing, 1 plan, GET /company/{company_number}/officers](https://datacircle.dev/people-search-apis/companies-house/free-get-company-company-number-officers/llms.txt)
- [Companies House: people search API pricing, 1 plan, GET /company/{company_number}/persons-with-significant-control](https://datacircle.dev/people-search-apis/companies-house/free-get-company-company-number-persons-with-significant-control/llms.txt)
- [Companies House: people search API pricing, 1 plan, GET /search/officers](https://datacircle.dev/people-search-apis/companies-house/free-get-search-officers/llms.txt)

## Companies House: company enrichment API alternatives

- [GetProspect, free, POST /v2/companies/enrich](https://datacircle.dev/company-enrichment-apis/getprospect/free-post-v2-companies-enrich/llms.txt): $0.00 per 1,000, 69% complete, stored (technologies: 30 days)
- [Hunter, free](https://datacircle.dev/company-enrichment-apis/hunter/free/llms.txt): $0.00 per 1,000, 100% complete, stored
- [ScrapeUnblocker, free, POST /companies/crunchbase](https://datacircle.dev/company-enrichment-apis/scrapeunblocker/free-free-post-companies-crunchbase/llms.txt): $0.00 per 1,000, 85% complete, live
- [The Companies API, free, GET /v2/companies/{domain}](https://datacircle.dev/company-enrichment-apis/the-companies-api/free-get-v2-companies-domain/llms.txt): $0.00 per 1,000, 92% complete, stored
- [treg, free](https://datacircle.dev/company-enrichment-apis/treg/free/llms.txt): $0.00 per 1,000, 46% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-30.

- https://developer-specs.company-information.service.gov.uk/companies-house-public-data-api/reference/company-profile/company-profile
- https://developer-specs.company-information.service.gov.uk/companies-house-public-data-api/resources/companyprofile?v=latest
- https://developer-specs.company-information.service.gov.uk/guides/rateLimiting
- https://developer.company-information.service.gov.uk/developer-guidelines
- https://developer.company-information.service.gov.uk/get-started
- https://www.api.gov.uk/ch/companies-house/
- https://www.gov.uk/government/publications/companies-house-accreditation-to-information-fair-traders-scheme/public-task-copyright-and-crown-copyright