---
title: "SEDCO HOLDINGS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/af3f356d-d7f5-53b2-94fe-0a3f209fdbd2
json: https://whiteintel.dev/api/public/dossier/af3f356d-d7f5-53b2-94fe-0a3f209fdbd2
identifier: oo:GB-COH-16017203
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SEDCO HOLDINGS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-16017203`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/af3f356d-d7f5-53b2-94fe-0a3f209fdbd2  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/af3f356d-d7f5-53b2-94fe-0a3f209fdbd2  

## Ownership & control

### Owners / controllers

- **Mr Anthony Brian Riley** (beneficial owner) — 50% — https://whiteintel.dev/entity/b72955ae-1f5f-5d01-963b-84134bfe73c3
- **Mr David Anthony Riley** (beneficial owner) — 100% — https://whiteintel.dev/entity/8acecdce-354f-5316-93fd-644ec8d5b5f6
- **Mr Anthony Brian Riley** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/509b9c89-94c9-4ff7-a9f2-95f3872bdda9
- **Mr David Anthony Riley** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/78c15248-4929-4791-a8ca-4111acb426fc

### Holdings / subsidiaries

- **SEDCO LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/4991040c-7bf0-524c-adee-165a609d11df
- **SEDCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/4991040c-7bf0-524c-adee-165a609d11df

### 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:** `16017203`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2024-10-14
- **Registered office:** Unit 1 Commonwealth Close, Leigh, Lancashire, WN7 3BD, United Kingdom
- **SIC:** 64209

### Officers

- RILEY, Anthony Brian — director · British · appointed 2024-10-14
- RILEY, David Anthony — director · British · appointed 2024-10-14

### Beneficial owners (Persons with Significant Control)

- Mr David Anthony Riley — 75–100% shares · individual PSC · United Kingdom — since 2024-10-14
- Mr Anthony Brian Riley — 25–50% shares · individual PSC · United Kingdom — ceased 2024-10-25

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/16017203
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/16017203

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SEDCO HOLDINGS LIMITED**. Human view: https://whiteintel.dev/entity/af3f356d-d7f5-53b2-94fe-0a3f209fdbd2 · Structured JSON: https://whiteintel.dev/api/public/dossier/af3f356d-d7f5-53b2-94fe-0a3f209fdbd2._

_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"._