---
title: "AMEC SOUTH WEST LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e10a34f2-938f-51eb-aaa4-4cfbbbc9c8e9
json: https://whiteintel.dev/api/public/dossier/e10a34f2-938f-51eb-aaa4-4cfbbbc9c8e9
identifier: oo:GB-COH-16198479
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# AMEC SOUTH WEST LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-16198479`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e10a34f2-938f-51eb-aaa4-4cfbbbc9c8e9  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e10a34f2-938f-51eb-aaa4-4cfbbbc9c8e9  

## Ownership & control

### Owners / controllers

- **Mr Alan John Maher** (beneficial owner) — 75% — https://whiteintel.dev/entity/629d6711-a2e6-5624-ac75-1aac838ed3bc
- **Mr Alan John Maher** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/0272d2ab-f688-4f13-9757-cc1823ccc774
- **Mrs Jane Barnes** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/73f04c9c-c857-44ec-b424-13df6ea0b704

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

A **3-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:** `16198479`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2025-01-21
- **Registered office:** 5 The Teeds, Woodbury, Exeter, EX5 1LQ, England
- **SIC:** 43210

### Officers

- MAHER, Alan John — director · British · appointed 2025-01-21
- BARNES, Jane — director · British · appointed 2025-01-21 · resigned 2025-03-12

### Beneficial owners (Persons with Significant Control)

- Mr Alan John Maher — 50–75% shares · individual PSC · United Kingdom — since 2025-01-21
- Mrs Jane Barnes — 25–50% shares · individual PSC · England — ceased 2026-01-21

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/16198479
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/16198479

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **AMEC SOUTH WEST LTD**. Human view: https://whiteintel.dev/entity/e10a34f2-938f-51eb-aaa4-4cfbbbc9c8e9 · Structured JSON: https://whiteintel.dev/api/public/dossier/e10a34f2-938f-51eb-aaa4-4cfbbbc9c8e9._

_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"._