---
title: "CRITICARE UK AMBULANCE SERVICE LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/130dfac5-e1c1-51d7-bd4d-eb34814c2c26
json: https://whiteintel.dev/api/public/dossier/130dfac5-e1c1-51d7-bd4d-eb34814c2c26
identifier: oo:GB-COH-06550383
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CRITICARE UK AMBULANCE SERVICE LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-06550383`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/130dfac5-e1c1-51d7-bd4d-eb34814c2c26  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/130dfac5-e1c1-51d7-bd4d-eb34814c2c26  

## Ownership & control

### Owners / controllers

- **Mr David Matthew Seymour** (beneficial owner) — 100% — https://whiteintel.dev/entity/6789a18f-ee1e-54f6-b860-07e44fc56e4b
- **Mr David Matthew Seymour** (beneficial owner) — 50% — https://whiteintel.dev/entity/a7d04c01-8978-5d10-ae02-8f313747b970
- **Miss Joanna Magdalena Preston** (beneficial owner) — 75% — https://whiteintel.dev/entity/cd9e26d9-39e5-5e47-b373-4419b541e497
- **Mr David Matthew Seymour** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/43a42edd-461a-4ec4-8eaa-601c9a719fdb
- **Mr David Matthew Seymour** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/837e68a5-abdd-4622-9da3-56a4f382e51a
- **Miss Joanna Magdalena Preston** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/1a557aab-f79f-4f9a-b849-93ceb26991c2

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

A **6-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:** `06550383`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2008-04-01
- **Registered office:** 13 The Crescent, Marchwood, Southampton, SO40 4WS
- **SIC:** 86900

### Officers

- PRESTON, Joanna Magdalena — director · Polish · appointed 2020-04-01
- SEYMOUR, David Matthew — director · British · appointed 2025-01-14
- SEYMOUR, David Matthew — secretary · British · appointed 2008-04-01 · resigned 2024-08-30
- SEYMOUR, David Matthew — director · British · appointed 2008-04-01 · resigned 2024-08-30
- WHITE, Lauren Louise — director · British · appointed 2008-04-01 · resigned 2011-06-13

### Beneficial owners (Persons with Significant Control)

- Mr David Matthew Seymour — 25–50% shares · individual PSC — since 2025-01-14
- Miss Joanna Magdalena Preston — 50–75% shares · individual PSC — since 2020-04-01
- Mr David Matthew Seymour — 75–100% shares · individual PSC — ceased 2024-02-01

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/06550383
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/06550383

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CRITICARE UK AMBULANCE SERVICE LIMITED**. Human view: https://whiteintel.dev/entity/130dfac5-e1c1-51d7-bd4d-eb34814c2c26 · Structured JSON: https://whiteintel.dev/api/public/dossier/130dfac5-e1c1-51d7-bd4d-eb34814c2c26._

_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"._