---
title: "Mr Mark Neil Steinberg — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d46b9bc2-d3f5-4572-b032-248f92af41e9
json: https://whiteintel.dev/api/public/dossier/d46b9bc2-d3f5-4572-b032-248f92af41e9
identifier: psc:Pi0lR6_5vBOP9U7LQFEKu13o1ic
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Mark Neil Steinberg

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:Pi0lR6_5vBOP9U7LQFEKu13o1ic`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/d46b9bc2-d3f5-4572-b032-248f92af41e9  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d46b9bc2-d3f5-4572-b032-248f92af41e9  

## Ownership & control

### Holdings / subsidiaries

- **CHELSEA AUCTIONS LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/7adf071c-e421-5128-b7e1-c3ea00c24fc1

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Mark Neil Steinberg**. Human view: https://whiteintel.dev/entity/d46b9bc2-d3f5-4572-b032-248f92af41e9 · Structured JSON: https://whiteintel.dev/api/public/dossier/d46b9bc2-d3f5-4572-b032-248f92af41e9._

_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"._