---
title: "ARCH FINANCIAL HOLDINGS (UK) LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a8af7707-d0ef-50b9-8d25-111b3430efcd
json: https://whiteintel.dev/api/public/dossier/a8af7707-d0ef-50b9-8d25-111b3430efcd
identifier: oo:GB-COH-06410772
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ARCH FINANCIAL HOLDINGS (UK) LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-06410772`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a8af7707-d0ef-50b9-8d25-111b3430efcd  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a8af7707-d0ef-50b9-8d25-111b3430efcd  

## Cross-source identity

The same real-world entity, resolved across sources:

- **Arch Financial Holdings (Uk) Limited** — source · `gb-coh:6410772` — https://whiteintel.dev/entity/9437e972-cfe3-4082-be03-e761db86f61f

## Ownership & control

### Owners / controllers

- **ARCH FINANCIAL HOLDINGS (UK) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/a8af7707-d0ef-50b9-8d25-111b3430efcd
- **Arch Reinsurance Ltd.** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/dd9c739e-b7e2-4698-b902-078934923175
- **Arch Capital Group Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/486fd13f-bac0-4874-ad42-7f595647e363

### Holdings / subsidiaries

- **ARCH CORPORATE MEMBER LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/96229fb2-f29c-53c4-bd06-669a7790d30d
- **ARCH CORPORATE MEMBER (NO.18) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/d9c0c7df-c7f8-5113-a8c9-5a19f611dfa2
- **ARCH CORPORATE MEMBER (NO.11) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/f37120c9-0db2-5174-9999-29a4370bb54d
- **ARCH CORPORATE MEMBER (NO.4) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/e31d9aa5-7e96-5080-ae34-de686ff2a95b
- **ARCH CORPORATE MEMBER (NO.14) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/ba66a232-4a0e-5371-b749-d5d99034dc8e
- **ARCH CORPORATE MEMBER (NO.7) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/c388fe6c-6a65-5f8b-8d30-a40d345ffdc8
- **NCMIC CORPORATE MEMBER NO.3 LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/8b508cce-d0a7-5265-bd4c-cf2cf0180127
- **THOMAS UNDERWRITING AGENCY LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/44707bfa-9f65-5c04-9d88-25bcd4d56785
- **ARCH CORPORATE MEMBER (NO.6) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/67e8cdc4-2dd4-56db-b229-d996755c090a
- **ARCH MANAGING AGENCY LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/66a74ebc-2224-5f65-bbfe-88693f2009ee
- **ARCH CORPORATE MEMBER (NO.17) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/7afa3c8a-0039-5c47-9344-6f7d2da9c6a5
- **ARCH CORPORATE MEMBER LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/96229fb2-f29c-53c4-bd06-669a7790d30d

…and **23** more subsidiaries/holdings. Resolve the full list with `get_dossier` on the WhiteIntel MCP (`npx -y @whiteintel/mcp-server`) or a one-off dossier — https://whiteintel.dev/pricing.

### UBO chain (walk to the ultimate owner)

A **3-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Company profile (live · UK Companies House)

- **Company number:** `06410772`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2007-10-29
- **Registered office:** 4th Floor 10 Fenchurch Avenue, London, EC3M 5BN, England
- **SIC:** 65120

### Officers

- PENBERTHY, Marie — director · Irish · appointed 2026-06-15
- STURGESS, Hugh Robert — director · British · appointed 2019-11-29
- VALDER, Kirsten — director · British · appointed 2024-06-17
- BRITT, Stephen John — secretary · appointed 2011-10-15 · resigned 2019-11-29
- REEVES, David Edward — secretary · British · appointed 2007-10-29 · resigned 2011-10-15
- SWIFT INCORPORATIONS LIMITED — corporate nominee secretary · appointed 2007-10-29 · resigned 2007-10-29
- ANTIGNAS, Sanford Louis — director · American · appointed 2007-11-02 · resigned 2012-10-05
- GODFRAY, Jonathan James Simon — director · British · appointed 2014-04-30 · resigned 2019-11-29
- HAGA, Christopher William — director · American · appointed 2010-03-03 · resigned 2019-11-29
- HAGA, Christopher William — director · American · appointed 2007-10-29 · resigned 2009-03-03
- HARRINGTON, Mark John — director · British · appointed 2007-10-29 · resigned 2019-11-29
- KITTINGER, Jason Allen — director · American · appointed 2019-11-29 · resigned 2024-05-16
- REEVES, David Edward — director · British · appointed 2007-10-29 · resigned 2019-11-29
- SCHROEDER, Harold — director · American · appointed 2009-03-03 · resigned 2010-02-24
- TRICE, Roy Harold — director · American · appointed 2007-10-29 · resigned 2019-11-29
- TSIELEPIS, Stavros — director · British · appointed 2019-11-29 · resigned 2021-01-21
- WEINBERG, Michael David — director · American · appointed 2012-11-30 · resigned 2019-11-29
- WISEMAN, Luke Anton — director · British · appointed 2007-11-02 · resigned 2012-10-05

### Beneficial owners (Persons with Significant Control)

- [Arch Capital Group Ltd](https://whiteintel.dev/entity/486fd13f-bac0-4874-ad42-7f595647e363) — 75–100% shares · corporate PSC · Bermuda — since 2021-12-15
- Arch Reinsurance Ltd. — 75–100% shares · corporate PSC · Bermuda — ceased 2021-12-15

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/06410772
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/06410772

## 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 **ARCH FINANCIAL HOLDINGS (UK) LIMITED** — https://whiteintel.dev/entity/a8af7707-d0ef-50b9-8d25-111b3430efcd · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ARCH FINANCIAL HOLDINGS (UK) LIMITED**. Human view: https://whiteintel.dev/entity/a8af7707-d0ef-50b9-8d25-111b3430efcd · Structured JSON: https://whiteintel.dev/api/public/dossier/a8af7707-d0ef-50b9-8d25-111b3430efcd._

_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"._