---
title: "Mr. Rusen Osman Ertosun — Ownership Dossier"
canonical: https://whiteintel.dev/entity/9ccfee5a-071a-5b1a-ac99-a6305c8ffdcd
json: https://whiteintel.dev/api/public/dossier/9ccfee5a-071a-5b1a-ac99-a6305c8ffdcd
identifier: oo-person:GB-COH-PER-03517348-g1bQTuEc1ajCuNtQax39FL9YwF4
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr. Rusen Osman Ertosun

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-03517348-g1bQTuEc1ajCuNtQax39FL9YwF4`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/9ccfee5a-071a-5b1a-ac99-a6305c8ffdcd  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/9ccfee5a-071a-5b1a-ac99-a6305c8ffdcd  

## Ownership & control

### Holdings / subsidiaries

- **GUILDMORE LTD.** (beneficial owner) — https://whiteintel.dev/entity/5938ea9b-ccda-5702-ba45-620c3333d28b

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr. Rusen Osman Ertosun**. Human view: https://whiteintel.dev/entity/9ccfee5a-071a-5b1a-ac99-a6305c8ffdcd · Structured JSON: https://whiteintel.dev/api/public/dossier/9ccfee5a-071a-5b1a-ac99-a6305c8ffdcd._

_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"._