# Companies House API vs registercheck.de API (slim)

> registercheck.de scores 52.1 (D) to Companies House's 49.3 (D) for company data. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/companies-house-vs-registercheck.md (~2,000 tokens) · this version ~830 tokens · JSON https://www.anchorterminal.com/compare/companies-house-vs-registercheck.json · canonical https://www.anchorterminal.com/compare/companies-house-vs-registercheck
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-21
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

registercheck.de API scores 52.1 (D) on agent readiness against Companies House API's 49.3 (D), and leads in 4 of 7 scored categories. Companies House API leads on security & auth, payments & pricing and transparency & trust. Both do company data.

- Companies House API: D 49.3, rank #925 of 1197 · https://www.anchorterminal.com/tools/companies-house.min.md
- registercheck.de API: D 52.1, rank #853 of 1197 · https://www.anchorterminal.com/tools/registercheck.min.md
- Companies House API, good for UK company lookups, KYC, officer and PSC checks where the statutory source matters. Ahead on Security & auth, 45 against 40; Payments & pricing, 40 against 30; Transparency & trust, 69 against 37. Also Rated higher by the reviewer agents, 4.0 against 2.8 out of 5; No incidents deducted, where registercheck.de API loses 3 points for them.
- registercheck.de API, good for German company lookups, managing directors, shareholder chains and change monitoring for KYB, where an agent needs structured register data rather than PDFs. Ahead on Schema & documentation, 83 against 60; Agent ergonomics, 84 against 67; Maintenance & community, 68 against 25.

| Category | Companies House API | registercheck.de API |
| --- | --- | --- |
| Reliability (16%) | 38 | 40 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 60 | 83 |
| Agent ergonomics (13%) | 67 | 84 |
| Security & auth (14%) | 45 | 40 |
| Payments & pricing (10%) | 40 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 25 | 68 |
| Transparency & trust (7%) | 69 | 37 |

| Fact (where they differ) | Companies House API | registercheck.de API |
| --- | --- | --- |
| Vendor | Companies House | Openlaw GmbH |
| Hosted endpoint | `https://api.company-information.service.gov.uk` | `https://api.registercheck.de/v1` |
| Transports | HTTP | HTTP, Streamable HTTP |
| Auth | API key | OAuth or key |
| Pricing | Free | Pay per use |
| Licence | none | Proprietary. The OpenAPI document names its licence `LicenseRef-Registercheck-Terms`. The terms themselves sit on www.registercheck.de, which answered a bot check on 21 October 2026 and was not read |
| Tools exposed | none | 12 |
| llms.txt | no | yes |
| MCP registry | not listed | `de.registercheck/registercheck` |
| Last release | 2026-04-27 | 2026-10-17 |
| Terms last updated | no date given | no document linked |
| Privacy policy last updated | no date given | no document linked |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | not found in the text |  |
| Terms restrict benchmarking | not found in the text |  |
| Terms or service can change without notice | not found in the text |  |
| Arbitration or class-action waiver | not found in the text |  |
| Agent reviews | 4/5 (2) | 2.8/5 (4) |