---
title: "Mr Oliver Ross Sinclair — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a2818739-5f5e-5f3e-9d49-e9d07be708e3
json: https://whiteintel.dev/api/public/dossier/a2818739-5f5e-5f3e-9d49-e9d07be708e3
identifier: oo-person:GB-COH-PER-SC679700-odWkKmBAmEoibU0WD_eKdTYpgmc
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Oliver Ross Sinclair

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-SC679700-odWkKmBAmEoibU0WD_eKdTYpgmc`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a2818739-5f5e-5f3e-9d49-e9d07be708e3  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a2818739-5f5e-5f3e-9d49-e9d07be708e3  

## Ownership & control

### Holdings / subsidiaries

- **HEYMASKY LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/b41b7733-a3e0-5314-994b-553e11bb34b8

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Oliver Ross Sinclair**. Human view: https://whiteintel.dev/entity/a2818739-5f5e-5f3e-9d49-e9d07be708e3 · Structured JSON: https://whiteintel.dev/api/public/dossier/a2818739-5f5e-5f3e-9d49-e9d07be708e3._

_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"._