---
title: "Mr Mark Derek Percival — Ownership Dossier"
canonical: https://whiteintel.dev/entity/bf392743-e5b0-553a-9622-57c03fc495bb
json: https://whiteintel.dev/api/public/dossier/bf392743-e5b0-553a-9622-57c03fc495bb
identifier: oo-person:GB-COH-PER-14943624-pIAldcpwBTmFLmv0YfpAATlNMNc
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Mark Derek Percival

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-14943624-pIAldcpwBTmFLmv0YfpAATlNMNc`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/bf392743-e5b0-553a-9622-57c03fc495bb  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/bf392743-e5b0-553a-9622-57c03fc495bb  

## Ownership & control

### Holdings / subsidiaries

- **BTS LEAK DETECTION LTD** (beneficial owner) — 100% — https://whiteintel.dev/entity/dae67702-917d-5b8e-aaa2-df28526298db

## Provenance

- OpenOwnership — https://www.openownership.org

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Mark Derek Percival**. Human view: https://whiteintel.dev/entity/bf392743-e5b0-553a-9622-57c03fc495bb · Structured JSON: https://whiteintel.dev/api/public/dossier/bf392743-e5b0-553a-9622-57c03fc495bb._

_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"._