---
title: "STENA SPEY DRILLING LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/969ba823-aee3-5642-a77e-7e35910cd470
json: https://whiteintel.dev/api/public/dossier/969ba823-aee3-5642-a77e-7e35910cd470
identifier: oo:GB-COH-02540066
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# STENA SPEY DRILLING LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-02540066`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/969ba823-aee3-5642-a77e-7e35910cd470  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/969ba823-aee3-5642-a77e-7e35910cd470  

## Ownership & control

### Owners / controllers

- **Mr Dan Sten Olsson** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/efa8b9dc-aea8-4e17-988f-42dc9d0dc3d2

### 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:** `02540066`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1990-09-17
- **Registered office:** 6 Arlington Street, London, SW1A 1RE, England
- **SIC:** 09100

### Officers

- CYMANCO SERVICES LIMITED — corporate secretary · appointed 2007-05-17
- CARLSSON, Mats Anders — director · Swedish · appointed 2008-03-06
- CHRISTOFOROU, Costas — director · Cypriot · appointed 2007-05-11
- NILSSON, Mats Allan Mikael, Mr. — director · Swedish · appointed 2024-03-01
- COWIE, George Albert — secretary · British · appointed 2007-02-27 · resigned 2007-05-17
- POLKINGHORNE, Christopher John — secretary · British · resigned 2001-10-31
- STRACEY, Leslie David — secretary · British · appointed 2001-11-01 · resigned 2007-02-27
- AGROTIS, Stavros Andreou — director · Cypriot · appointed 2010-11-23 · resigned 2019-05-15
- BANKS, John Owen — director · British · appointed 2007-02-27 · resigned 2007-05-11
- BJORKBORG, Hans Gunnar — director · Swedish · appointed 1997-07-22 · resigned 2007-02-27
- BLOMDAHL, Per Gunnar — director · Swedish · appointed 2003-01-13 · resigned 2007-02-27
- CARLSSON, Svante Wilhelm — director · Swedish · appointed 2007-02-27 · resigned 2008-03-06
- CLARKSON, Stephen Robert — director · British · appointed 2007-05-11 · resigned 2024-08-02
- COOPER, William Gareth — director · British · appointed 1996-11-01 · resigned 2006-12-31
- DEEBLE, Helen — director · British · appointed 1996-10-14 · resigned 1998-01-04
- GREGORIADES, Angelos — director · Cypriot · appointed 2019-07-01 · resigned 2025-11-17
- HAMMARSKJOLD, Alexis — director · Swedish · appointed 1994-08-30 · resigned 1996-10-31
- HEDBERG, Lars Anders — director · Swedish · appointed 1998-01-05 · resigned 1998-08-31
- HIGGS, John Barton — director · British · appointed 1998-08-03 · resigned 1998-10-20
- HOLMES, Robert Alan — director · British · resigned 1996-10-14

### Beneficial owners (Persons with Significant Control)

- Mr Dan Sten Olsson — 50–75% shares · individual PSC · England — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/02540066
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/02540066

## 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 SPEY DRILLING LIMITED** — https://whiteintel.dev/entity/969ba823-aee3-5642-a77e-7e35910cd470 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **STENA SPEY DRILLING LIMITED**. Human view: https://whiteintel.dev/entity/969ba823-aee3-5642-a77e-7e35910cd470 · Structured JSON: https://whiteintel.dev/api/public/dossier/969ba823-aee3-5642-a77e-7e35910cd470._

_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"._