# Close Brothers

**Canonical:** https://apis.io/providers/close-brothers/  
**Website:** https://www.closebrothers.com/  
**APIs profiled:** 0

Close Brothers Group plc (LSE: CBG) is a UK merchant banking group founded in 1878 and a constituent of the FTSE 250 Index, headquartered at 10 Crown Place, London EC2A 4FT. The group provides specialist lending across motor, premium, asset, invoice, and property finance; takes personal and business deposits through Close Brothers Savings; manages wealth through Close Brothers Asset Management; and trades securities through Winterflood. Its banking entity, Close Brothers Limited, is authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the PRA. Close Brothers is not one of the CMA9 mandated banks; it offers savings and deposit products rather than online payment (current) accounts, and therefore carries no UK Open Banking (OBIE / PSD2) Read/Write or Open Data publishing obligation. As of this profile no public developer portal, Open Banking Open Data endpoint, or documented API surface could be confirmed for the group.

## Kin Score — 8.2 / 100 (minimal)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 8.2).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 4.8 |
| Commercial Clarity | 21.1 |
| Access Clarity | 21.1 |

Regulatory layer — **Banking & Open Finance**: 17.7 (matched via tags).

## Agent readiness — 0.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Security (1)

- **Close Brothers Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Financial-Services, Banking, Merchant Banking, Specialist Lending, Savings, Wealth Management, Securities, United Kingdom, FTSE 250

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/close-brothers/). Scores are computed from the provider's own public artifacts under a published rubric.