---
title: "ACORN ENGINEERING LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/669c2094-e34f-47fe-9249-9c91b68831f8
json: https://whiteintel.dev/api/public/dossier/669c2094-e34f-47fe-9249-9c91b68831f8
identifier: gb-coh:02178434
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ACORN ENGINEERING LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `gb-coh:02178434`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/669c2094-e34f-47fe-9249-9c91b68831f8  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/669c2094-e34f-47fe-9249-9c91b68831f8  

## Ownership & control

### Owners / controllers

- **Mr Graham Errington** (beneficial owner) — https://whiteintel.dev/entity/cfb778f7-8406-452f-92de-19cd56cc8d81
- **ACORN ENGINEERING GROUP LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/3465cb6a-1406-4cf0-bb2e-d51c6c44d455
- **MECSIA GROUP LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/90b9dc3f-6980-5bb9-be16-32f4cefc9f24

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

1. **Mr Graham Errington** — beneficial owner → *ACORN ENGINEERING LIMITED*
1. **ACORN ENGINEERING GROUP LIMITED** — beneficial owner 87.5% → *ACORN ENGINEERING LIMITED*
1. **MECSIA GROUP LIMITED** — beneficial owner 87.5% → *ACORN ENGINEERING LIMITED*
2. **Mr Graham Errington** — beneficial owner 62.5% → *ACORN ENGINEERING GROUP LIMITED*
2. **MECSIA LIMITED** — beneficial owner 87.5% → *ACORN ENGINEERING GROUP LIMITED*
2. **Mr Ian Steven Wheeler** — beneficial owner 100% → *MECSIA GROUP LIMITED*
2. **CHILLATON BIDCO LIMITED** — beneficial owner 100% → *MECSIA GROUP LIMITED*
2. **Mr Ian Steven Wheeler** — beneficial owner 87.5% → *MECSIA GROUP LIMITED*
2. **CHILLATON BIDCO LIMITED** — beneficial owner 87.5% → *MECSIA GROUP LIMITED*
3. **MECSIA MIDCO LIMITED** — beneficial owner 100% → *MECSIA LIMITED*
3. **HUNTSMOOR NOMINEES LIMITED** — beneficial owner 100% → *MECSIA LIMITED*
3. **Huntsmoor Nominees Limited** — beneficial owner 87.5% → *MECSIA LIMITED*
3. **MECSIA MIDCO LIMITED** — beneficial owner 87.5% → *MECSIA LIMITED*
3. **CHILLATON MIDCO LIMITED** — beneficial owner 100% → *CHILLATON BIDCO LIMITED*
3. **CHILLATON MIDCO LIMITED** — beneficial owner 87.5% → *CHILLATON BIDCO LIMITED*
4. **WINSTON TAYLOR UK LLP** — beneficial owner 87.5% → *HUNTSMOOR NOMINEES LIMITED*
4. **CHILLATON TOPCO LIMITED** — beneficial owner 100% → *CHILLATON MIDCO LIMITED*
4. **CHILLATON TOPCO LIMITED** — beneficial owner 87.5% → *CHILLATON MIDCO LIMITED*
4. **MECSIA GROUP LIMITED** — beneficial owner 100% → *MECSIA MIDCO LIMITED*
4. **MECSIA GROUP LIMITED** — beneficial owner 87.5% → *MECSIA MIDCO LIMITED*
4. **MECSIA GROUP LIMITED** — beneficial owner 87.5% → *MECSIA MIDCO LIMITED*
5. **SYNOVA GP V LLP** — beneficial owner 87.5% → *CHILLATON TOPCO LIMITED*
6. **SYNOVA CAPITAL GP 7 LIMITED** — beneficial owner 100% → *SYNOVA GP V LLP*
6. **SYNOVA CAPITAL GP 6 LIMITED** — beneficial owner 100% → *SYNOVA GP V LLP*
6. **SYNOVA CAPITAL GP 6 LIMITED** — beneficial owner → *SYNOVA GP V LLP*
6. **SYNOVA CAPITAL GP 7 LIMITED** — beneficial owner → *SYNOVA GP V LLP*

## Company profile (live · UK Companies House)

- **Company number:** `02178434`
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 1987-10-14
- **Registered office:** AUDLEY HOUSE, 12-12A MARGARET STREET, LONDON, W1W 8JQ
- **SIC:** 71129 - Other engineering activities, 81100 - Combined facilities support activities

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/02178434

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ACORN ENGINEERING LIMITED**. Human view: https://whiteintel.dev/entity/669c2094-e34f-47fe-9249-9c91b68831f8 · Structured JSON: https://whiteintel.dev/api/public/dossier/669c2094-e34f-47fe-9249-9c91b68831f8._

_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"._