---
title: "Mr Mark Foster — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3269f8a2-2f61-5277-a5b6-463cfb43eaaa
json: https://whiteintel.dev/api/public/dossier/3269f8a2-2f61-5277-a5b6-463cfb43eaaa
identifier: oo-person:GB-COH-PER-08850371-K4iK07z3IuFMjM_d4o2EU5Mgh5Q
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Mark Foster

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-08850371-K4iK07z3IuFMjM_d4o2EU5Mgh5Q`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3269f8a2-2f61-5277-a5b6-463cfb43eaaa  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3269f8a2-2f61-5277-a5b6-463cfb43eaaa  

## Ownership & control

### Holdings / subsidiaries

- **MUSHROOM (LONDON) LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/5d979831-12c4-591e-9f75-6cd1cfb552fb

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Mark Foster**. Human view: https://whiteintel.dev/entity/3269f8a2-2f61-5277-a5b6-463cfb43eaaa · Structured JSON: https://whiteintel.dev/api/public/dossier/3269f8a2-2f61-5277-a5b6-463cfb43eaaa._

_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"._