---
title: "NANTAUR HOLDINGS LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/be40db58-edc4-4e74-80f3-45dd30b774cc
json: https://whiteintel.dev/api/public/dossier/be40db58-edc4-4e74-80f3-45dd30b774cc
identifier: gb-coh:17238664
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# NANTAUR HOLDINGS LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `gb-coh:17238664`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/be40db58-edc4-4e74-80f3-45dd30b774cc  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/be40db58-edc4-4e74-80f3-45dd30b774cc  

## Ownership & control

### Owners / controllers

- **Mr Mark Robert Martin Julien** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/bd5a09e6-aad5-4cd1-9a00-cfcaf0caf314

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

A **1-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:** `17238664`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2026-05-22
- **Registered office:** 4th Floor Office, 205 Regent Street, London, W1B 4HB, England
- **SIC:** 64209

### Officers

- JULIEN, Mark Robert Martin — director · British · appointed 2026-05-22

### Beneficial owners (Persons with Significant Control)

- Mr Mark Robert Martin Julien — 75–100% shares · individual PSC · England — since 2026-05-22

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/17238664

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **NANTAUR HOLDINGS LTD**. Human view: https://whiteintel.dev/entity/be40db58-edc4-4e74-80f3-45dd30b774cc · Structured JSON: https://whiteintel.dev/api/public/dossier/be40db58-edc4-4e74-80f3-45dd30b774cc._

_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"._