---
title: "HALO SITE SERVICES LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3daf49ce-8b99-53fb-94e2-e3e922440fb0
json: https://whiteintel.dev/api/public/dossier/3daf49ce-8b99-53fb-94e2-e3e922440fb0
identifier: oo:GB-COH-11829395
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# HALO SITE SERVICES LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-11829395`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3daf49ce-8b99-53fb-94e2-e3e922440fb0  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3daf49ce-8b99-53fb-94e2-e3e922440fb0  

## Ownership & control

### Owners / controllers

- **TMOK SERVICES LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/f25c00fd-95cd-5275-b334-3266beb91f2f
- **Mr Sean O'Donnell** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/57f68f2c-56f2-456e-adc4-b3f353fbdf69

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

1. **TMOK SERVICES LIMITED** — beneficial owner 87.5% → *HALO SITE SERVICES LIMITED*
1. **Mr Sean O'Donnell** — beneficial owner 87.5% → *HALO SITE SERVICES LIMITED*
2. **Mrs Margaret O'Keeffe** — beneficial owner 100% → *TMOK SERVICES LIMITED*
2. **Mrs Margaret O'Keeffe** — beneficial owner 87.5% → *TMOK SERVICES LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `11829395`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2019-02-15
- **Registered office:** 164 Field End Road, Eastcote, HA5 1RH, England
- **SIC:** 43390

### Officers

- O'DONNELL, Sean — director · British · appointed 2019-02-15
- O'KEEFFE, Timothy Michael — director · Irish · appointed 2019-02-15 · resigned 2019-02-15

### Beneficial owners (Persons with Significant Control)

- Mr Sean O'Donnell — 75–100% shares · individual PSC · England — since 2019-02-15
- [Tmok Services Limited](https://whiteintel.dev/entity/f25c00fd-95cd-5275-b334-3266beb91f2f) — 75–100% shares · corporate PSC · United Kingdom — ceased 2019-02-15

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/11829395
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/11829395

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HALO SITE SERVICES LIMITED**. Human view: https://whiteintel.dev/entity/3daf49ce-8b99-53fb-94e2-e3e922440fb0 · Structured JSON: https://whiteintel.dev/api/public/dossier/3daf49ce-8b99-53fb-94e2-e3e922440fb0._

_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"._