---
title: "Mr Edward John Costello — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d4af4a4e-e6ef-5440-b490-fb989fa9200c
json: https://whiteintel.dev/api/public/dossier/d4af4a4e-e6ef-5440-b490-fb989fa9200c
identifier: oo-person:GB-COH-PER-07458530-o2eXjlN2boGTDDRTZF8CWEIlu2k
jurisdiction: IE
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Edward John Costello

**Type:** Person  
**Jurisdiction:** IE  
**Identifier:** `oo-person:GB-COH-PER-07458530-o2eXjlN2boGTDDRTZF8CWEIlu2k`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/d4af4a4e-e6ef-5440-b490-fb989fa9200c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d4af4a4e-e6ef-5440-b490-fb989fa9200c  

## Ownership & control

### Holdings / subsidiaries

- **MARSH LANE (DIDCOT) MANAGEMENT COMPANY LIMITED** (beneficial owner) — https://whiteintel.dev/entity/3aaba82f-954f-58b8-9a9a-233a632062a0

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Edward John Costello**. Human view: https://whiteintel.dev/entity/d4af4a4e-e6ef-5440-b490-fb989fa9200c · Structured JSON: https://whiteintel.dev/api/public/dossier/d4af4a4e-e6ef-5440-b490-fb989fa9200c._

_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"._