---
title: "STENA DRILLMAX LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/9694ae5c-9caa-53e6-baca-e32cc9e656d9
json: https://whiteintel.dev/api/public/dossier/9694ae5c-9caa-53e6-baca-e32cc9e656d9
identifier: oo:GB-COH-16005126
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# STENA DRILLMAX LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-16005126`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/9694ae5c-9caa-53e6-baca-e32cc9e656d9  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/9694ae5c-9caa-53e6-baca-e32cc9e656d9  

## Ownership & control

### Owners / controllers

- **STENA (UK) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/dcf2a623-3ec0-563a-8fcb-05cd9a3ca116
- **STENA (UK) LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/dcf2a623-3ec0-563a-8fcb-05cd9a3ca116

### 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:** `16005126`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2024-10-08
- **Registered office:** First Floor, 6 Arlington Street, London, SW1A 1RE, England
- **SIC:** 50200

### Officers

- MATKIN, Siena Grace — secretary · appointed 2025-04-24
- FERNANDEZ-ARES, Sindo Dominic — director · British · appointed 2024-10-08
- HAMPTON, Ian — director · British · appointed 2024-10-08
- HULT, Annika — director · Swedish · appointed 2024-10-08
- MATTIUZZO, Mauro — director · British · appointed 2024-10-08
- STENVALLER, Mikael Fredrik — director · Swedish · appointed 2024-10-08
- CARTER, Jenny Kate — secretary · appointed 2024-10-08 · resigned 2025-02-14
- PERCY, Michael Hugh — director · British · appointed 2024-10-08 · resigned 2025-05-30

### Beneficial owners (Persons with Significant Control)

- [Stena (Uk) Limited](https://whiteintel.dev/entity/dcf2a623-3ec0-563a-8fcb-05cd9a3ca116) — 75–100% shares · corporate PSC · England — since 2024-10-08

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/16005126
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/16005126

## 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 DRILLMAX LIMITED** — https://whiteintel.dev/entity/9694ae5c-9caa-53e6-baca-e32cc9e656d9 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **STENA DRILLMAX LIMITED**. Human view: https://whiteintel.dev/entity/9694ae5c-9caa-53e6-baca-e32cc9e656d9 · Structured JSON: https://whiteintel.dev/api/public/dossier/9694ae5c-9caa-53e6-baca-e32cc9e656d9._

_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"._