---
title: "THERIUM CAPITAL MANAGEMENT LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/c4e36852-7a70-57cd-a0ca-2e9bb1ee80a6
json: https://whiteintel.dev/api/public/dossier/c4e36852-7a70-57cd-a0ca-2e9bb1ee80a6
identifier: oo:GB-COH-06517819
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# THERIUM CAPITAL MANAGEMENT LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-06517819`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/c4e36852-7a70-57cd-a0ca-2e9bb1ee80a6  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/c4e36852-7a70-57cd-a0ca-2e9bb1ee80a6  

## Ownership & control

### Owners / controllers

- **AMTRUST INTERNATIONAL LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/8a18ed7e-ded8-51f4-bf48-ff2d87231aa5
- **Amtrust International Limited** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/0c213ad2-26ac-4999-af0b-939cc87ddd2b
- **Therium Group Holdings Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/e9f8e47f-af4e-442a-98ff-e88ff8125b8f

### Holdings / subsidiaries

- **THERIUM (UK) HOLDINGS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/7b747389-8bd0-5fd3-8158-9512febd457f

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

1. **AMTRUST INTERNATIONAL LIMITED** — beneficial owner 50% → *THERIUM CAPITAL MANAGEMENT LIMITED*
1. **Amtrust International Limited** — beneficial owner 37.5% → *THERIUM CAPITAL MANAGEMENT LIMITED*
1. **Therium Group Holdings Limited** — beneficial owner 87.5% → *THERIUM CAPITAL MANAGEMENT LIMITED*
2. **Amtrust Financial Services, Inc** — beneficial owner → *AMTRUST INTERNATIONAL LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `06517819`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2008-02-28
- **Registered office:** 44 Southampton Buildings, London, WC2A 1AP, England
- **SIC:** 64999

### Officers

- BYRNE, John Roger — director · British · appointed 2008-02-28
- PURSLOW, Neil Andrew — director · British · appointed 2008-03-25
- BROWN, George — secretary · British · appointed 2008-02-28 · resigned 2008-08-25
- BYRNE, John Roger — secretary · British · appointed 2008-08-25 · resigned 2010-01-12
- MIDDLETON, Martin — secretary · appointed 2010-01-12 · resigned 2025-03-19
- SWIFT INCORPORATIONS LIMITED — corporate secretary · appointed 2008-02-28 · resigned 2008-02-28
- ANSTEE, Eric Edward — director · British · appointed 2010-02-17 · resigned 2013-11-28
- BROWN, George — director · British · appointed 2008-02-28 · resigned 2008-03-25
- CADLE, Jeremy Edward — director · British · appointed 2015-04-29 · resigned 2025-11-26
- KENT, John Christian William — director · British · appointed 2013-11-28 · resigned 2015-04-29
- INSTANT COMPANIES LIMITED — corporate nominee director · appointed 2008-02-28 · resigned 2008-02-28
- SWIFT INCORPORATIONS LIMITED — corporate director · appointed 2008-02-28 · resigned 2008-02-28

### Beneficial owners (Persons with Significant Control)

- [Therium Group Holdings Limited](https://whiteintel.dev/entity/6116a34e-fedd-552f-a6fa-f736f9457372) — 75–100% shares · corporate PSC · Jersey — since 2025-11-26
- [Amtrust International Limited](https://whiteintel.dev/entity/0c213ad2-26ac-4999-af0b-939cc87ddd2b) — 25–50% shares · corporate PSC · England — ceased 2025-11-26

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/06517819
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/06517819

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **THERIUM CAPITAL MANAGEMENT LIMITED**. Human view: https://whiteintel.dev/entity/c4e36852-7a70-57cd-a0ca-2e9bb1ee80a6 · Structured JSON: https://whiteintel.dev/api/public/dossier/c4e36852-7a70-57cd-a0ca-2e9bb1ee80a6._

_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"._