---
title: "O'BRIEN CONSULTING LTD. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/5fcc0271-0dfa-5809-b5c5-55eb3eaa6fb5
json: https://whiteintel.dev/api/public/dossier/5fcc0271-0dfa-5809-b5c5-55eb3eaa6fb5
identifier: oo:GB-COH-03724833
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# O'BRIEN CONSULTING LTD.

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-03724833`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/5fcc0271-0dfa-5809-b5c5-55eb3eaa6fb5  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/5fcc0271-0dfa-5809-b5c5-55eb3eaa6fb5  

## Ownership & control

### Owners / controllers

- **Mr Matthew Thomas O'Brien** (beneficial owner) — 100% — https://whiteintel.dev/entity/c20612a5-14e0-5d9c-9573-e9c31f68b0a7
- **Mrs Margaret Ann O'Brien** (beneficial owner) — 50% — https://whiteintel.dev/entity/0f4efc2d-ccca-5e62-8486-e4f1281df5e0
- **Mrs Margaret Ann O'Brien** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/ab3a9d54-b7b4-4806-8d59-67f44fc3e56a
- **Mr Matthew Thomas O'Brien** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/1eb13e53-b759-4864-9587-80cd5bf2593e

### 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:** `03724833`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1999-03-03
- **Registered office:** 5 Ibstock Close, Northampton, Northamptonshire, NN3 5DL
- **SIC:** 62020, 62090

### Officers

- O'BRIEN, Margaret Ann — secretary · British · appointed 1999-03-15
- O'BRIEN, Matthew Thomas — director · British · appointed 1999-04-12
- ALDBURY SECRETARIES LIMITED — corporate nominee secretary · appointed 1999-03-03 · resigned 1999-03-03
- ALDBURY DIRECTORS LIMITED — corporate nominee director · appointed 1999-03-03 · resigned 1999-03-03

### Beneficial owners (Persons with Significant Control)

- Mr Matthew Thomas O'Brien — 75–100% shares · individual PSC · England — since 2017-03-02
- Mrs Margaret Ann O'Brien — 25–50% shares · individual PSC · England — ceased 2020-11-18

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/03724833
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/03724833

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **O'BRIEN CONSULTING LTD.**. Human view: https://whiteintel.dev/entity/5fcc0271-0dfa-5809-b5c5-55eb3eaa6fb5 · Structured JSON: https://whiteintel.dev/api/public/dossier/5fcc0271-0dfa-5809-b5c5-55eb3eaa6fb5._

_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"._