---
title: "Byrne - Mark James — Ownership Dossier"
canonical: https://whiteintel.dev/entity/88e7e285-cb8b-5053-80f8-775a266a963e
json: https://whiteintel.dev/api/public/dossier/88e7e285-cb8b-5053-80f8-775a266a963e
identifier: icij:icijol-80039775
jurisdiction: IE
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# Byrne - Mark James

**Type:** Organization  
**Jurisdiction:** IE  
**Identifier:** `icij:icijol-80039775`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/88e7e285-cb8b-5053-80f8-775a266a963e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/88e7e285-cb8b-5053-80f8-775a266a963e  

## Ownership & control

### Holdings / subsidiaries

- **Haverford (Bermuda) Ltd.** (director of) — https://whiteintel.dev/entity/99319c3e-735d-5518-98e3-575367172b8f
- **Haverford (Bermuda) Ltd.** (president of) — https://whiteintel.dev/entity/99319c3e-735d-5518-98e3-575367172b8f
- **Value Advisors (Bermuda) Limited** (director of) — https://whiteintel.dev/entity/b178757f-c671-5133-a5a6-cbe7876aa869
- **Value Advisors (Bermuda) Limited** (president of) — https://whiteintel.dev/entity/b178757f-c671-5133-a5a6-cbe7876aa869
- **West End Capital Management (Bermuda) Limited** (chairman of) — https://whiteintel.dev/entity/2fa22742-831e-5b09-9277-ebf14ca7fd5e
- **West End Capital Management (Bermuda) Limited** (director of) — https://whiteintel.dev/entity/2fa22742-831e-5b09-9277-ebf14ca7fd5e
- **West End Capital Management (Bermuda) Limited** (president of) — https://whiteintel.dev/entity/2fa22742-831e-5b09-9277-ebf14ca7fd5e
- **Haverford (Bermuda) (SAC) Reinsurance Ltd.** (director of) — https://whiteintel.dev/entity/31b3c2e1-7542-56cc-b8da-3f796bdc29dc
- **Haverford (Bermuda) (SAC) Reinsurance Ltd.** (is signatory for) — https://whiteintel.dev/entity/31b3c2e1-7542-56cc-b8da-3f796bdc29dc
- **Haverford (Bermuda) (SAC) Reinsurance Ltd.** (president of) — https://whiteintel.dev/entity/31b3c2e1-7542-56cc-b8da-3f796bdc29dc
- **Haverford Holdings Reinsurance Ltd.** (director of) — https://whiteintel.dev/entity/b0b96ab2-8008-55ee-9e43-635bef477df3
- **Haverford Holdings Reinsurance Ltd.** (is signatory for) — https://whiteintel.dev/entity/b0b96ab2-8008-55ee-9e43-635bef477df3

…and **7** 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.

## Provenance

- ICIJ Offshore Leaks — https://offshoreleaks.icij.org/nodes/80039775

## 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 **Byrne - Mark James** — https://whiteintel.dev/entity/88e7e285-cb8b-5053-80f8-775a266a963e · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Byrne - Mark James**. Human view: https://whiteintel.dev/entity/88e7e285-cb8b-5053-80f8-775a266a963e · Structured JSON: https://whiteintel.dev/api/public/dossier/88e7e285-cb8b-5053-80f8-775a266a963e._

_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"._