Company Search

Companies House

Search official UK Companies House records by company name and return identity matches with company numbers and status.

Capability: Companies House API
Current price: $0.0050/request
Availability: Ready to run

What this API does

Search the official Companies House public register by company name and return at most 50 normalized matches with company number, name, status, type, incorporation or dissolution dates and canonical register links. The contract omits officers, persons with significant control, charges, insolvency detail, addresses and filing authority.

Agents select this operation with tool ID companies-house.company-search, then check its current inputs and price before a run.

Inputs and outputs

Input

limitinteger · optional

Value supplied for limit.

minimum: 1 · maximum: 50

querystring · required

Search terms used to find relevant records.

minLength: 2 · maxLength: 200

start_indexinteger · optional

Value supplied for start index.

minimum: 0 · maximum: 5000

Output

captured_atstring

Returned captured at value.

itemsarray

Returned items value.

omitted_itemsnumber

Returned omitted items value.

start_indexnumber

Returned start index value.

total_resultsnumber

Returned total results value.

Example request and output

Inspect returns this reviewed example, its estimated cost and the current input schema. Run calculates the estimate for your actual input.

Request

{
  "tool_id": "companies-house.company-search",
  "input": {
    "limit": 5,
    "query": "OpenAI"
  }
}

Output

{
  "items": [
    {
      "name": "OPENAI UK LTD",
      "status": "active",
      "source_url": "https://find-and-update.company-information.service.gov.uk/company/14367667",
      "company_type": "ltd",
      "company_number": "14367667",
      "dissolution_date": null,
      "incorporation_date": "2022-09-21"
    }
  ],
  "captured_at": "2026-08-20T00:00:00.000Z",
  "start_index": 0,
  "omitted_items": 0,
  "total_results": 1
}

Errors and limitations

invalid_input: query, limit or start_index was outside the bounded Companies House search contract.example: {"query":"OpenAI","limit":5}

Use Company Search with Scrollport

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