---
title: "Mr Mark Andrew Ruff — Ownership Dossier"
canonical: https://whiteintel.dev/entity/99da2e08-42b3-4772-bb67-b6b609828d5e
json: https://whiteintel.dev/api/public/dossier/99da2e08-42b3-4772-bb67-b6b609828d5e
identifier: psc:Dbk4_DLF08pBnu_KaLGlMKNV_Wo
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Mark Andrew Ruff

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:Dbk4_DLF08pBnu_KaLGlMKNV_Wo`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/99da2e08-42b3-4772-bb67-b6b609828d5e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/99da2e08-42b3-4772-bb67-b6b609828d5e  

## Ownership & control

### Holdings / subsidiaries

- **SINEQN LTD** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/d53051b5-4630-597a-acd2-949d5e3bd68c

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Mark Andrew Ruff**. Human view: https://whiteintel.dev/entity/99da2e08-42b3-4772-bb67-b6b609828d5e · Structured JSON: https://whiteintel.dev/api/public/dossier/99da2e08-42b3-4772-bb67-b6b609828d5e._

_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"._