---
title: "Sir Mark Aubrey Weinberg — Ownership Dossier"
canonical: https://whiteintel.dev/entity/76d579f9-c118-5000-9d36-4cecfd41a11d
json: https://whiteintel.dev/api/public/dossier/76d579f9-c118-5000-9d36-4cecfd41a11d
identifier: oo-person:GB-COH-PER-05379380-BnNx4IZFnikBOIXl1i7NqTf8LoY
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Sir Mark Aubrey Weinberg

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-05379380-BnNx4IZFnikBOIXl1i7NqTf8LoY`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/76d579f9-c118-5000-9d36-4cecfd41a11d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/76d579f9-c118-5000-9d36-4cecfd41a11d  

## Ownership & control

### Holdings / subsidiaries

- **BLENHEIM TRUSTEE COMPANY NO. 1 LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/a556acb6-922f-5056-890b-8caac4dfe33e

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Sir Mark Aubrey Weinberg**. Human view: https://whiteintel.dev/entity/76d579f9-c118-5000-9d36-4cecfd41a11d · Structured JSON: https://whiteintel.dev/api/public/dossier/76d579f9-c118-5000-9d36-4cecfd41a11d._

_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"._