Companies House bulk data and filed XBRL or iXBRL accounts

Source universe · Acquisition routes

Empirical intelligence · Official bulk download · Internal

Published by Companies House. Jurisdiction: UK.

What it covers

• company data
• PSC data
• filed accounts
• XBRL
• iXBRL

Publication and history

Bulk products are refreshed on published cadences; company-filed documents may contain third-party copyright and personal data.

Product-specific snapshots and filed documents; availability and rights vary by product and filing.

Review cadence: Monthly. Reliability: Empirical dataset.

Acquisition and rights

• Acquisition: Official bulk download

• Licence: Companies House product-specific Crown and third-party rights

• Commercial reuse: Source specific review

• Raw storage: Permitted

• Derived assertions: Permitted

• Public use: Metadata and citation only

• Visibility: Internal

Automate only the named bulk products whose licence is recorded. Filed document content needs per-product and third-party-rights review before storage or public reuse.

Attribute Companies House and the specific data product; keep company and personal records out of the public wiki.

Evidence for this decision

• Companies House data products — Access evidence, reviewed 11 September 2026.
• Companies House developer guidelines — Terms evidence, reviewed 11 September 2026.

Source registry: sterling-source-registry@2026-09-11.5. Last reviewed 11 September 2026.