---
title: "Mr Mark Henry Hyam — Ownership Dossier"
canonical: https://whiteintel.dev/entity/5edde5ae-3fbe-429a-a70c-0e6fb044b0b5
json: https://whiteintel.dev/api/public/dossier/5edde5ae-3fbe-429a-a70c-0e6fb044b0b5
identifier: psc:Mku5FU6xJAFiAIGEOKvRpnAFwoc
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Mark Henry Hyam

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:Mku5FU6xJAFiAIGEOKvRpnAFwoc`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/5edde5ae-3fbe-429a-a70c-0e6fb044b0b5  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/5edde5ae-3fbe-429a-a70c-0e6fb044b0b5  

## Ownership & control

### Holdings / subsidiaries

- **TOLLINGTON ASSOCIATES LIMITED** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/c3b5e52b-0b09-563f-89e5-8f3fd709fa4a

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Mark Henry Hyam**. Human view: https://whiteintel.dev/entity/5edde5ae-3fbe-429a-a70c-0e6fb044b0b5 · Structured JSON: https://whiteintel.dev/api/public/dossier/5edde5ae-3fbe-429a-a70c-0e6fb044b0b5._

_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"._