---
title: "O2 OAK LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/06adf85f-4d26-59ac-8efc-239e989bb326
json: https://whiteintel.dev/api/public/dossier/06adf85f-4d26-59ac-8efc-239e989bb326
identifier: oo:GB-COH-03646040
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# O2 OAK LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-03646040`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/06adf85f-4d26-59ac-8efc-239e989bb326  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/06adf85f-4d26-59ac-8efc-239e989bb326  

## Cross-source identity

The same real-world entity, resolved across sources:

- **O2 OAK LIMITED** — GLEIF · `lei:54930089ACQSJCBFFE08` — https://whiteintel.dev/entity/dc994807-f7e2-5c23-9002-a92842e7600e

## Ownership & control

### Owners / controllers

- **Telefonica S A** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/c988a8d6-78f2-4501-812b-4edf38dea1ae

### 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:** `03646040`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1998-10-02
- **Registered office:** Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, United Kingdom
- **SIC:** 61900, 99999

### Officers

- [PRISM COSEC LIMITED](https://whiteintel.dev/entity/c6788cfb-926a-5009-935f-ef2e1920b22d) — corporate secretary · appointed 2021-08-31
- BERNAT, Juan Manuel Caro — director · Spanish · appointed 2026-04-30
- DE ALBUQUERQUE, Thomas Peter — director · British · appointed 2021-06-17
- NEWGATE STREET SECRETARIES LIMITED — corporate secretary · appointed 1998-10-02 · resigned 2001-11-19
- O2 NOMINEES LIMITED — corporate secretary · appointed 2001-11-19 · resigned 2009-11-10
- [O2 SECRETARIES LIMITED](https://whiteintel.dev/entity/fdec17a5-5fca-5be7-87e6-63dc5038bca5) — corporate secretary · appointed 2009-11-10 · resigned 2021-06-17
- COBIAN, Patricia — director · Spanish · appointed 2016-08-01 · resigned 2021-06-17
- DUNNE, Ronan James — director · Irish · appointed 2014-04-30 · resigned 2016-08-01
- EVANS, Mark — director · British · appointed 2014-04-30 · resigned 2021-06-17
- FLETCHER SMITH, Christopher — director · British · appointed 2002-02-11 · resigned 2006-06-29
- HARWOOD, Robert John — director · British · appointed 1998-10-02 · resigned 2014-04-30
- MARTINEZ MASIDE, Guillermo — director · British · appointed 2021-06-17 · resigned 2026-04-30
- MELCON SANCHEZ-FRIERA, David — director · Spanish · appointed 2007-08-31 · resigned 2012-09-07
- PEREZ DE URIGUEN MUINELO, Francisco Jesus — director · Spanish · appointed 2012-09-07 · resigned 2014-04-30
- PRIOR, Stephen John — director · British · appointed 1998-10-02 · resigned 2001-11-19
- RICHES, Jonathan Henry — director · British · appointed 2006-06-29 · resigned 2007-08-31
- WALKER, Katherine Ann — director · British · appointed 1998-10-02 · resigned 2001-11-19

### Beneficial owners (Persons with Significant Control)

- Telefonica S A — 75–100% shares · corporate PSC · Spain — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/03646040
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/03646040

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **O2 OAK LIMITED**. Human view: https://whiteintel.dev/entity/06adf85f-4d26-59ac-8efc-239e989bb326 · Structured JSON: https://whiteintel.dev/api/public/dossier/06adf85f-4d26-59ac-8efc-239e989bb326._

_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"._