---
title: "BIG BUILDING & MECHANICAL LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2bfde318-e112-5181-829a-cea8cac1442f
json: https://whiteintel.dev/api/public/dossier/2bfde318-e112-5181-829a-cea8cac1442f
identifier: oo:GB-COH-08544242
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BIG BUILDING & MECHANICAL LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-08544242`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/2bfde318-e112-5181-829a-cea8cac1442f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2bfde318-e112-5181-829a-cea8cac1442f  

## Ownership & control

### Owners / controllers

- **Mr John Richard Whitmore** (beneficial owner) — 50% — https://whiteintel.dev/entity/88e3324e-ed23-51b3-aff6-f9a878acc0ed
- **Mr Andrew Robert Cornwell** (beneficial owner) — 50% — https://whiteintel.dev/entity/fc52cf69-8989-5957-a5d2-c5dc2b4a5ebe
- **Mr John Richard Whitmore** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/75dac426-614f-42e0-be3c-9921cff1b838
- **Mr Andrew Robert Cornwell** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/141ba6aa-9224-42b3-b91b-561db0099449

### 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.

## Company profile (live · UK Companies House)

- **Company number:** `08544242`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2013-05-24
- **Registered office:** Trinity House, 3 Bullace Lane, Dartford, Kent, DA1 1BB, United Kingdom
- **SIC:** 43390

### Officers

- CORNWELL, Andrew Robert — secretary · appointed 2013-05-24
- CORNWELL, Andrew Robert — director · British · appointed 2013-05-24
- WHITMORE, John Richard — director · British · appointed 2013-05-24 · resigned 2025-04-14

### Beneficial owners (Persons with Significant Control)

- Mr Andrew Robert Cornwell — 75–100% shares · individual PSC · United Kingdom — since 2016-04-06
- Mr John Richard Whitmore — 25–50% shares · individual PSC · United Kingdom — ceased 2025-04-14

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/08544242
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/08544242

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BIG BUILDING & MECHANICAL LTD**. Human view: https://whiteintel.dev/entity/2bfde318-e112-5181-829a-cea8cac1442f · Structured JSON: https://whiteintel.dev/api/public/dossier/2bfde318-e112-5181-829a-cea8cac1442f._

_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"._