---
title: "STENA DRILLING (HOLDINGS) LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/00823323-8823-50a0-8efb-9fd7fd746b9e
json: https://whiteintel.dev/api/public/dossier/00823323-8823-50a0-8efb-9fd7fd746b9e
identifier: oo:GB-COH-02483165
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# STENA DRILLING (HOLDINGS) LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-02483165`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/00823323-8823-50a0-8efb-9fd7fd746b9e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/00823323-8823-50a0-8efb-9fd7fd746b9e  

## Ownership & control

### Owners / controllers

- **STENA (UK) LIMITED** (beneficial owner) — https://whiteintel.dev/entity/dcf2a623-3ec0-563a-8fcb-05cd9a3ca116
- **STENA (UK) LIMITED** (beneficial owner) — https://whiteintel.dev/entity/dcf2a623-3ec0-563a-8fcb-05cd9a3ca116

### Holdings / subsidiaries

- **STENA OILFIELD SERVICES LIMITED** (beneficial owner) — https://whiteintel.dev/entity/67e2620e-2b08-5bde-88d4-9300cab399a8
- **STENA EVOLUTION DRILLING LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/183e0ba5-fe60-5a84-a2a9-3020473dfbab
- **STENA DON DRILLING LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/176bd682-7474-55ff-84a5-3fd0d49c1583
- **INTEBLOC LTD** (beneficial owner) — 50% — https://whiteintel.dev/entity/9291a78b-85bb-5dd7-bd7a-77d971a05f51
- **STENA EVOLVE LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/512bc542-b3eb-5a6c-aeb4-6b195b8e3e8d
- **INTEBLOC LTD** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/9291a78b-85bb-5dd7-bd7a-77d971a05f51
- **STENA CARRON DRILLING LIMITED** (beneficial owner) — https://whiteintel.dev/entity/1625c55d-ea46-5fd0-baa4-a46fba0fc368
- **STENA OILFIELD SERVICES LIMITED** (beneficial owner) — https://whiteintel.dev/entity/67e2620e-2b08-5bde-88d4-9300cab399a8
- **STENA CARRON DRILLING LIMITED** (beneficial owner) — https://whiteintel.dev/entity/1625c55d-ea46-5fd0-baa4-a46fba0fc368

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

A **4-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:** `02483165`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1990-03-20
- **Registered office:** 6 Arlington Street, London, SW1A 1RE, England
- **SIC:** 09100

### Officers

- WYNESS, Stuart Maxwell — secretary · appointed 2011-03-31
- CLAESSON, Peter — director · Swedish · appointed 2008-03-14
- ODUM III, Marvin Eugene — director · American · appointed 2019-08-20
- OLSSON, Dan Sten — director · Swedish
- RONSBERG, Erik Bergsvein — director · British · appointed 2017-01-01
- ASSITER, Harry Stephen — secretary · British · resigned 1995-04-27
- COWIE, George Albert — secretary · British · appointed 1995-11-27 · resigned 2011-03-31
- MATTIUZZO, Mauro — secretary · Italian · appointed 1995-04-27 · resigned 1995-11-27
- ASSITER, Harry Stephen — director · British · resigned 1995-01-20
- BURNETT, Carl Joseph — director · American · resigned 1999-03-11
- CARLSSON, Svante Wilhelm, Mr. — director · Swedish · resigned 2009-12-21
- EHRET, Thomas Michel Ernest — director · French · resigned 1995-01-20
- FAY, Christopher Ernest, Dr — director · British · appointed 1999-03-01 · resigned 2019-08-19
- HANSSON, Herbjorn — director · Norwegian · appointed 2006-03-17 · resigned 2010-04-07
- JANSSON, Anders — director · Swedish · appointed 2008-03-14 · resigned 2022-12-07
- LOWHAGEN, Birger — director · Swedish · resigned 1997-11-28
- WELO, Tom Peter Andreas Wiel — director · Norwegian · appointed 1995-11-27 · resigned 2016-12-31

### Beneficial owners (Persons with Significant Control)

- [Stena (Uk) Limited](https://whiteintel.dev/entity/dcf2a623-3ec0-563a-8fcb-05cd9a3ca116) — significant influence or control · corporate PSC · England — since 2016-06-01

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/02483165
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/02483165

## 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 DRILLING (HOLDINGS) LIMITED** — https://whiteintel.dev/entity/00823323-8823-50a0-8efb-9fd7fd746b9e · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **STENA DRILLING (HOLDINGS) LIMITED**. Human view: https://whiteintel.dev/entity/00823323-8823-50a0-8efb-9fd7fd746b9e · Structured JSON: https://whiteintel.dev/api/public/dossier/00823323-8823-50a0-8efb-9fd7fd746b9e._

_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"._