---
title: "ENSCO DEEPWATER DRILLING LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/92bbfc0c-2496-5a06-bf32-e77980629c9a
json: https://whiteintel.dev/api/public/dossier/92bbfc0c-2496-5a06-bf32-e77980629c9a
identifier: oo:GB-COH-08524375
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ENSCO DEEPWATER DRILLING LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-08524375`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/92bbfc0c-2496-5a06-bf32-e77980629c9a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/92bbfc0c-2496-5a06-bf32-e77980629c9a  

## Ownership & control

### Owners / controllers

- **VALARIS PLC** (beneficial owner) — 100% — https://whiteintel.dev/entity/dc4b1658-173d-5174-b564-f28168518be0
- **Valaris Plc** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/8e35437e-deee-4925-a6e4-472497ddeb05
- **Valaris Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/13f21e41-780c-4227-8c9a-42f29fbd6bf9

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

A **3-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:** `08524375`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2013-05-10
- **Registered office:** Cannon Place, 78 Cannon Street, London, EC4N 6AF, England
- **SIC:** 09100

### Officers

- WILSON, Peter Henderson — secretary · appointed 2024-09-30
- WILSON, Peter Henderson — director · British · appointed 2019-07-31
- WINTON, John Alexander Campbell — director · British · appointed 2024-09-30
- CROSS, Jonathan Paul — secretary · appointed 2013-05-10 · resigned 2024-09-30
- JACIUK, Nicolas — secretary · British · appointed 2014-08-08 · resigned 2017-04-25
- KEWISH, Dean Alan — secretary · appointed 2013-05-10 · resigned 2015-06-19
- MALONE, JR., Herman — secretary · appointed 2013-05-10 · resigned 2013-08-20
- SANGSTER, Derek Andrew — secretary · appointed 2013-08-20 · resigned 2017-04-25
- WALKER, Paul Mark — secretary · appointed 2013-05-10 · resigned 2014-07-29
- [ABOGADO NOMINEES LIMITED](https://whiteintel.dev/entity/c721e915-a046-4aec-9aca-65889e453520) — corporate secretary · appointed 2013-05-10 · resigned 2018-04-27
- [CITCO MANAGEMENT UK LIMITED](https://whiteintel.dev/entity/ab77624d-486e-58ba-bdeb-ab56012479d0) — corporate secretary · appointed 2018-04-27 · resigned 2021-05-01
- CROSS, Jonathan Paul — director · British · appointed 2013-05-10 · resigned 2024-09-30
- HALL, Julian Richard — director · British · appointed 2017-04-24 · resigned 2019-04-11
- JACIUK, Nicolas — director · Argentine · appointed 2014-07-29 · resigned 2018-04-27
- MOONEY, Stephen Laurence — director · Irish · appointed 2018-04-27 · resigned 2024-09-30
- SANGSTER, Derek Andrew — director · British · appointed 2013-08-06 · resigned 2017-04-24
- WALKER, Paul Mark — director · British · appointed 2013-05-10 · resigned 2014-07-29

### Beneficial owners (Persons with Significant Control)

- [Valaris Limited](https://whiteintel.dev/entity/13f21e41-780c-4227-8c9a-42f29fbd6bf9) — 75–100% shares · corporate PSC · Bermuda — since 2021-04-30
- [Valaris Plc](https://whiteintel.dev/entity/8e35437e-deee-4925-a6e4-472497ddeb05) — 75–100% shares · corporate PSC · United Kingdom — ceased 2021-04-30

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/08524375
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/08524375

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ENSCO DEEPWATER DRILLING LIMITED**. Human view: https://whiteintel.dev/entity/92bbfc0c-2496-5a06-bf32-e77980629c9a · Structured JSON: https://whiteintel.dev/api/public/dossier/92bbfc0c-2496-5a06-bf32-e77980629c9a._

_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"._