UK Companies House API

APINational · United KingdomKey required

UK Companies House API — official public-data API published by Companies House (UK).

businesseconomy

Trust score

good

Composite of 5 axes from our methodology (proof-based officialness, live verification, metadata completeness, license clarity, agent readiness).

Officialnessweight 25%95/100
95/100 from 5 proof signals (domain / portal-backlink / GitHub-org / reciprocal / policy).
Availabilityweight 25%100/100
Latest verification succeeded.
Metadata completenessweight 20%70/100
7 of 10 recommended metadata fields populated.
License clarityweight 15%50/100
License info not yet tracked for APIs (datasets only).
Agent readinessweight 15%35/100
Docs URL present · Homepage URL present · Topic tags assigned

Public Sector API

Official Companies House (UK) API (salvaged from legacy discovery, endpoint-verified)

No machine-readable schema

This entry links to a dataset, file download, or documentation page rather than a self-describing API, so there's no field schema to display.

Request timeout

curl -s 'https://api.company-information.service.gov.uk' -H 'Accept: application/json'

Base API endpoint — see the documentation for available routes.

Embed this badge in a README or wiki — it always shows the latest verification state and quality tier.