---
title: "SOUTHFIELDS ENGINEERING LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/605fcfb4-d1fa-589c-8826-4037819cbfc4
json: https://whiteintel.dev/api/public/dossier/605fcfb4-d1fa-589c-8826-4037819cbfc4
identifier: oo:GB-COH-01421272
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SOUTHFIELDS ENGINEERING LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-01421272`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/605fcfb4-d1fa-589c-8826-4037819cbfc4  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/605fcfb4-d1fa-589c-8826-4037819cbfc4  

## Ownership & control

### Owners / controllers

- **Mr Russell David Sullivan** (beneficial owner) — 50% — https://whiteintel.dev/entity/6e92fb13-0f95-5475-a558-31a8e30bc11d
- **Mr John David Barrett** (beneficial owner) — 50% — https://whiteintel.dev/entity/75046901-1c23-5e90-91e3-e66bc14bf521
- **Mr John David Barrett** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/d08fcc5e-7863-41ad-ab50-cdf4385efd11
- **Mr Russell David Sullivan** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/0f9fcd16-e0ee-4201-b4fa-945554825d54

### 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.

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/01421272
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/01421272

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **SOUTHFIELDS ENGINEERING LIMITED** — https://whiteintel.dev/entity/605fcfb4-d1fa-589c-8826-4037819cbfc4 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SOUTHFIELDS ENGINEERING LIMITED**. Human view: https://whiteintel.dev/entity/605fcfb4-d1fa-589c-8826-4037819cbfc4 · Structured JSON: https://whiteintel.dev/api/public/dossier/605fcfb4-d1fa-589c-8826-4037819cbfc4._

_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"._