---
title: "O'NEILL & SONS BUILDING SERVICES LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/087b6c4e-6469-5e91-9c81-b5225faaa4d0
json: https://whiteintel.dev/api/public/dossier/087b6c4e-6469-5e91-9c81-b5225faaa4d0
identifier: oo:GB-COH-09555697
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# O'NEILL & SONS BUILDING SERVICES LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-09555697`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/087b6c4e-6469-5e91-9c81-b5225faaa4d0  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/087b6c4e-6469-5e91-9c81-b5225faaa4d0  

## Ownership & control

### Owners / controllers

- **Mr Dermot O'Neill** (beneficial owner) — 50% — https://whiteintel.dev/entity/0c34c745-ccd3-54f8-bcd0-bac5ed050f2f
- **Mr Dermot O'Neill** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/9820f827-413b-4f2b-a67b-a8b20c1e9ac3

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

A **2-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:** `09555697`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2015-04-22
- **Registered office:** 09555697 - COMPANIES HOUSE DEFAULT ADDRESS, Cardiff, CF14 8LH
- **SIC:** 41202

### Officers

- O'NEILL, Dermot — director · Irish · appointed 2015-04-22

### Beneficial owners (Persons with Significant Control)

- Mr Dermot O'Neill — 25–50% shares · individual PSC — since 2018-04-05

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/09555697
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/09555697

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **O'NEILL & SONS BUILDING SERVICES LTD**. Human view: https://whiteintel.dev/entity/087b6c4e-6469-5e91-9c81-b5225faaa4d0 · Structured JSON: https://whiteintel.dev/api/public/dossier/087b6c4e-6469-5e91-9c81-b5225faaa4d0._

_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"._