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Companies House pricing and alternatives: business verification API, GET /search/companies

Companies House's sitellms.txt

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9% complete: 1 of the 11 key fields we checkSee the 11 fields
$0.00per 1,000 companiesHalf of the 31 plans we rank by price cost $19.90 per 1,000 companies or less. This plan and 1 other tie for the lowest price per 1,000 companies of the 31 plans.
Plan: Free Companies House's only plan
Call: GET /search/companies one of Companies House's 2 calls for this API
API: Business verification API one of Companies House's 4 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 1 of the 11 key fields we check. Entity number.
  • Nothing to pay. You get up to 5,184,000 calls a month.
  • One call. You send q to GET /search/companies. You can also send items_per_page, start_index and restrictions. The call returns the register's record of the company.
  • Who can get it: anyone with a Companies House user account. Keep data: no limit. Use data: with conditions.

Companies House: business verification API alternatives

We list other providers' plans closest to this plan in price per 1,000 companies.

This planCompanies House, free, GET /search/companiesOpenSOSData, free, POST /v1/lookupOpenCorporates, freeRegistry Lookup, freeZephira, free
$ per 1,000 companies$0.00$0.00$0.00$0.00$0.00
Completeness9%100%27%27%9%
Billingfreefreefreefreefree
Pay$0$0$0$0$0
Enough for5,184,000 calls a month10 calls, once200 calls a month5,000 calls a month3 calls a day
Freshnessunknownlivestored7 daysunknown
Who can get itanyone with a Companies House user accountnew accounts, once on signup, no credit card requiredopen data projects: the product or database the data goes into is also released under an open licence (share-alike attribution)anyone with a verified work email address, personal email providers are rejectedbusinesses and professionals, at least 18 and authorised to act for the organisation, no credit card required

Business verification API pricing: plans compared

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.

  1. developer-specs.company-information.service.gov.uk/companies-house-public-data-api/reference/search/search-companies
  2. developer-specs.company-information.service.gov.uk/companies-house-public-data-api/resources/companysearch
  3. developer-specs.company-information.service.gov.uk/guides/rateLimiting
  4. developer.company-information.service.gov.uk/developer-guidelines
  5. developer.company-information.service.gov.uk/get-started
  6. api.gov.uk/ch/companies-house/
  7. gov.uk/government/publications/companies-house-accreditation-to-information-fair-traders-scheme/public-task-copyright-and-crown-copyright

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • Registered name, not in the answer
  • Entity number
  • Tax ID, not in the answer
  • Entity type, not in the answer
  • Status, not in the answer
  • Good standing, not in the answer
  • Formation date, not in the answer
  • Registered agent, not in the answer
  • Principal address, not in the answer
  • Officers, not in the answer
  • Filings, not in the answer
Price
$ per 1,000 companies$0.00
Percall
Billingfree
Not found
$ per 1,000$0.00
In their words
Their pitchSearch company information
Data
Keep datano 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 for5,184,000 calls a month
Rate limit
Per second2
Batch1
Speed
Answerin the call
The call
You sendq. Optional: items_per_page, start_index, restrictions
MethodGET
Path/search/companies
About the plan
PlanFree
Who can get itanyone with a Companies House user account
The 25 fields the plan's answer can hold

ETag, kind, total results, start index, items per page, title, company number, company status, company type, date of creation, date of cessation, address line 1, address line 2, care of, locality, region, postal code, country, PO box, address snippet, description, description identifier, snippet, matches, link to company

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