---
title: "Mitsui Sumitomo Insurance Company Limited — Ownership Dossier"
canonical: https://whiteintel.dev/entity/aa5fd389-c815-4396-9f92-03ce483f44c6
json: https://whiteintel.dev/api/public/dossier/aa5fd389-c815-4396-9f92-03ce483f44c6
identifier: gb-coh:010001008795
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mitsui Sumitomo Insurance Company Limited

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `gb-coh:010001008795`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/aa5fd389-c815-4396-9f92-03ce483f44c6  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/aa5fd389-c815-4396-9f92-03ce483f44c6  

## Cross-source identity

The same real-world entity, resolved across sources:

- **MITSUI SUMITOMO INSURANCE COMPANY LIMITED** — companies_house_bulk · `oo:GB-COH-AC000787` — https://whiteintel.dev/entity/6c1b77c3-c5e8-54b5-8230-692c63fdc01e
- **Mitsui Sumitomo Insurance Company Limited** — source · `gb-coh:0100-01-008795` — https://whiteintel.dev/entity/eb8ce7f5-1038-4d7f-b862-940c517dccee
- **MITSUI SUMITOMO INSURANCE COMPANY LIMITED** — OpenOwnership · `oo:GB-COH-FC004556` — https://whiteintel.dev/entity/ed83ac40-eab5-5cc6-a5ec-fc69545c9f45

## Ownership & control

### Holdings / subsidiaries

- **MS AMLIN INVESTMENT HOLDINGS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/0e00a716-e5f3-5895-a295-4c08da1ba3d2
- **MS AMLIN UNDERWRITING LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/45f2fe67-e32d-5168-891c-7dcdb5992181
- **MITSUI SUMITOMO INSURANCE COMPANY (EUROPE), LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/427c016c-9f53-5430-8b58-9c2a20c0ddc3
- **MS AMLIN CORPORATE MEMBER LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/7dc29159-cfa4-57f7-88ac-9dbd4c05699f
- **MS AMLIN CORPORATE SERVICES LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/d4e607dd-8d23-5e90-a3c2-3d173a914c31
- **MS AMLIN HOLDINGS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/42d50119-d364-5905-8fc5-5d062045892f

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **Mitsui Sumitomo Insurance Company Limited** — https://whiteintel.dev/entity/aa5fd389-c815-4396-9f92-03ce483f44c6 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mitsui Sumitomo Insurance Company Limited**. Human view: https://whiteintel.dev/entity/aa5fd389-c815-4396-9f92-03ce483f44c6 · Structured JSON: https://whiteintel.dev/api/public/dossier/aa5fd389-c815-4396-9f92-03ce483f44c6._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._