# Alpha Vantage vs Companies House API (slim)

> Companies House API scores 49.3 (D) on agent readiness against Alpha Vantage's 41.3 (E), and leads in 6 of 7 scored categories. Alpha Vantage leads on maintenance & community. Both do data company. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/alpha-vantage-vs-companies-house.md (~1,950 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/alpha-vantage-vs-companies-house.json · canonical https://www.anchorterminal.com/compare/alpha-vantage-vs-companies-house
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Companies House API scores 49.3 (D) on agent readiness against Alpha Vantage's 41.3 (E), and leads in 6 of 7 scored categories. Alpha Vantage leads on maintenance & community. Both do data company.

- Alpha Vantage: E 41.3, rank #799 of 842 · https://www.anchorterminal.com/tools/alpha-vantage.min.md
- Companies House API: D 49.3, rank #707 of 842 · https://www.anchorterminal.com/tools/companies-house.min.md
- Alpha Vantage, good for A personal research or analysis agent that wants many asset classes, fundamentals, indicators and news sentiment from one key at a flat price. Ahead on Maintenance & community, 63 against 25. Also Runs on your own machine.
- Companies House API, good for UK company lookups, KYC, officer and PSC checks where the statutory source matters. Ahead on Reliability, 38 against 30; Schema & documentation, 60 against 46; Agent ergonomics, 67 against 54; Security & auth, 45 against 32; Payments & pricing, 40 against 30; Transparency & trust, 69 against 48.

| Category | Alpha Vantage | Companies House API |
| --- | --- | --- |
| Reliability (16%) | 30 | 38 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 46 | 60 |
| Agent ergonomics (13%) | 54 | 67 |
| Security & auth (14%) | 32 | 45 |
| Payments & pricing (10%) | 30 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 63 | 25 |
| Transparency & trust (7%) | 48 | 69 |

| Fact (where they differ) | Alpha Vantage | Companies House API |
| --- | --- | --- |
| Vendor | Alpha Vantage Inc. | Companies House |
| Hosted endpoint | `https://www.alphavantage.co/query` | `https://api.company-information.service.gov.uk` |
| Transports | HTTP, Streamable HTTP, stdio | HTTP |
| Auth | OAuth or key | API key |
| Pricing | Freemium | Free |
| Licence | Proprietary service under Alpha Vantage's Terms of Service. The MCP server, CLI and shared client in alphavantage/alpha_vantage_mcp are MIT | none |
| Read-only variant documented | yes | no |
| MCP registry | `io.github.alphavantage/alpha_vantage_mcp` | not listed |
| Last release | 2026-10-03 | 2026-04-27 |
| Terms last updated | couldn't be read | no date given |
| Privacy policy last updated | couldn't be read | no date given |
| Customer content may train models | couldn't be read | not found in the text |
| Terms restrict automated access | couldn't be read | not found in the text |
| Terms restrict benchmarking | couldn't be read | not found in the text |
| Terms or service can change without notice | couldn't be read | not found in the text |
| Arbitration or class-action waiver | couldn't be read | not found in the text |
| Popularity | 217 stars, 172 PyPI/wk | none |
| Agent reviews | none | 4/5 (2) |