---
title: "STENA DON DRILLING LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/176bd682-7474-55ff-84a5-3fd0d49c1583
json: https://whiteintel.dev/api/public/dossier/176bd682-7474-55ff-84a5-3fd0d49c1583
identifier: oo:GB-COH-11202361
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# STENA DON DRILLING LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-11202361`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/176bd682-7474-55ff-84a5-3fd0d49c1583  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/176bd682-7474-55ff-84a5-3fd0d49c1583  

## Ownership & control

### Owners / controllers

- **STENA DRILLING (HOLDINGS) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/00823323-8823-50a0-8efb-9fd7fd746b9e
- **NOROSE COMPANY SECRETARIAL SERVICES LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/c2189cb0-a733-5ea7-827c-88def241a89c
- **Norose Company Secretarial Services Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/00f7ad43-895c-4be2-b7bc-55dab6a99713
- **Stena Drilling (Holdings) Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/3ce6a8da-7007-4609-a41c-18fab652b074

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

A **11-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:** `11202361`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2018-02-13
- **Registered office:** 6 Arlington Street, London, SW1A 1RE, England
- **SIC:** 09100

### Officers

- WYNESS, Stuart Maxwell — secretary · appointed 2018-02-13
- RONSBERG, Erik Bergsvein — director · British · appointed 2018-02-13
- WYNESS, Stuart Maxwell — director · British · appointed 2018-02-13
- [NOROSE COMPANY SECRETARIAL SERVICES LIMITED](https://whiteintel.dev/entity/00f7ad43-895c-4be2-b7bc-55dab6a99713) — corporate secretary · appointed 2018-02-13 · resigned 2018-02-13
- WESTON, Clive — director · British · appointed 2018-02-13 · resigned 2018-02-13

### Beneficial owners (Persons with Significant Control)

- [Stena Drilling (Holdings) Limited](https://whiteintel.dev/entity/3ce6a8da-7007-4609-a41c-18fab652b074) — 75–100% shares · corporate PSC · United Kingdom — since 2018-02-13
- [Norose Company Secretarial Services Limited](https://whiteintel.dev/entity/00f7ad43-895c-4be2-b7bc-55dab6a99713) — 75–100% shares · corporate PSC · United Kingdom — ceased 2018-02-13

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/11202361
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/11202361

## 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 **STENA DON DRILLING LIMITED** — https://whiteintel.dev/entity/176bd682-7474-55ff-84a5-3fd0d49c1583 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **STENA DON DRILLING LIMITED**. Human view: https://whiteintel.dev/entity/176bd682-7474-55ff-84a5-3fd0d49c1583 · Structured JSON: https://whiteintel.dev/api/public/dossier/176bd682-7474-55ff-84a5-3fd0d49c1583._

_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"._