---
title: "TETHRIX LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/df820b56-050a-5e30-92cb-ed7adcd84174
json: https://whiteintel.dev/api/public/dossier/df820b56-050a-5e30-92cb-ed7adcd84174
identifier: oo:GB-COH-05314289
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# TETHRIX LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-05314289`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/df820b56-050a-5e30-92cb-ed7adcd84174  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/df820b56-050a-5e30-92cb-ed7adcd84174  

## Ownership & control

### Owners / controllers

- **Mr Christophe Antoine, Henri Giovannetti** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/70c2bebb-e4d7-45d0-89fe-fb90f88a65e3
- **Nikola Rodin** (beneficial owner) — https://whiteintel.dev/entity/2927c366-58cf-48e2-9772-4fca94d02fcd

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

A **2-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:** `05314289`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2004-12-15
- **Registered office:** Carlyle House, Lower Ground Floor, 235 - 237 Vauxhall Bridge Road, London, SW1V 1AU, England
- **SIC:** 70221

### Officers

- RODIN, Nikola — director · Croatian · appointed 2026-01-06
- GREENFIELD, Andrew Victor William — secretary · British · appointed 2004-12-15 · resigned 2005-09-01
- SMITH, Alison Shirley Pauline — secretary · British · appointed 2005-09-01 · resigned 2012-05-31
- [AMEDIA LTD](https://whiteintel.dev/entity/d80f3b7c-80a3-531a-833a-efa39284ecdc) — corporate secretary · appointed 2013-05-15 · resigned 2016-12-15
- RM REGISTRARS LIMITED — corporate secretary · appointed 2004-12-15 · resigned 2004-12-15
- GIOVANNETTI, Christophe — director · French · appointed 2008-02-25 · resigned 2026-01-06
- PHILLIPS, Cristopher — director · British · appointed 2005-10-24 · resigned 2008-04-10
- PHILLIPS, Cristopher — director · British · appointed 2004-12-15 · resigned 2005-09-01
- TARTTELIN, Bryan — director · British · appointed 2004-12-15 · resigned 2010-10-28
- RM NOMINEES LIMITED — corporate director · appointed 2004-12-15 · resigned 2004-12-15

### Beneficial owners (Persons with Significant Control)

- Nikola Rodin — 75–100% votes · individual PSC · England — since 2026-01-05
- Mr Christophe Antoine, Henri Giovannetti — 75–100% shares · individual PSC · England — ceased 2026-01-05

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/05314289
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/05314289

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **TETHRIX LTD**. Human view: https://whiteintel.dev/entity/df820b56-050a-5e30-92cb-ed7adcd84174 · Structured JSON: https://whiteintel.dev/api/public/dossier/df820b56-050a-5e30-92cb-ed7adcd84174._

_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"._