---
title: "PRIMARY AMBULANCE SERVICES LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d41e9b36-d19f-52d2-90fe-882e76c330db
json: https://whiteintel.dev/api/public/dossier/d41e9b36-d19f-52d2-90fe-882e76c330db
identifier: oo:GB-COH-07083717
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# PRIMARY AMBULANCE SERVICES LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-07083717`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/d41e9b36-d19f-52d2-90fe-882e76c330db  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d41e9b36-d19f-52d2-90fe-882e76c330db  

## Ownership & control

### Owners / controllers

- **K4 GROUP SERVICES LTD** (beneficial owner) — 100% — https://whiteintel.dev/entity/769576ce-1012-515d-a3e2-2b63ef1132eb
- **Mr David Allen Root** (beneficial owner) — 50% — https://whiteintel.dev/entity/91b94f4e-a5fc-576b-a07a-7075fa6dcd3b
- **Mrs Linda Christine Root** (beneficial owner) — 50% — https://whiteintel.dev/entity/a4335a98-3f2e-50c4-8471-669a1d1e89a0
- **Mrs Linda Christine Root** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/7ca8cb5d-6645-4c81-831a-6ff51a2b80f7
- **Mr David Allen Root** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/bd69dfd5-524b-4c1d-b9f6-52f6d5d3bf10
- **K4 GROUP SERVICES LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/769576ce-1012-515d-a3e2-2b63ef1132eb

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

A **12-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:** `07083717`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2009-11-23
- **Registered office:** K4 Holdsworth House Staines Road, Brentford, Hounslow, TW3 3HW, England
- **SIC:** 86210

### Officers

- KHAN, Arsalan — director · British · appointed 2025-01-27
- ROOT, David Allen — director · British · appointed 2009-11-23
- DAYS, Denise Janice — secretary · appointed 2009-11-23 · resigned 2025-01-27
- ROOT, Linda Christine — director · British · appointed 2009-12-09 · resigned 2022-02-04
- ROOT, Linda Christine — director · British · appointed 2009-11-23 · resigned 2009-12-09
- WATKINS, Christopher Paul — director · British · appointed 2009-11-23 · resigned 2011-11-24

### Beneficial owners (Persons with Significant Control)

- [K4 Group Services Ltd](https://whiteintel.dev/entity/769576ce-1012-515d-a3e2-2b63ef1132eb) — 75–100% shares · corporate PSC · England — since 2025-01-27
- Mr David Allen Root — 25–50% shares · individual PSC · United Kingdom — ceased 2025-01-27
- Mrs Linda Christine Root — 25–50% shares · individual PSC · United Kingdom — ceased 2025-01-27

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/07083717
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/07083717

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **PRIMARY AMBULANCE SERVICES LIMITED**. Human view: https://whiteintel.dev/entity/d41e9b36-d19f-52d2-90fe-882e76c330db · Structured JSON: https://whiteintel.dev/api/public/dossier/d41e9b36-d19f-52d2-90fe-882e76c330db._

_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"._