---
title: "Mr Mark Andrew Costello — Ownership Dossier"
canonical: https://whiteintel.dev/entity/39bc03e2-85d9-4195-9bf6-014d0e2b8bbf
json: https://whiteintel.dev/api/public/dossier/39bc03e2-85d9-4195-9bf6-014d0e2b8bbf
identifier: psc:2c0xqOuvl5aMehKvvnfD7SEJzWE
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Mark Andrew Costello

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `psc:2c0xqOuvl5aMehKvvnfD7SEJzWE`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/39bc03e2-85d9-4195-9bf6-014d0e2b8bbf  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/39bc03e2-85d9-4195-9bf6-014d0e2b8bbf  

## Ownership & control

### Holdings / subsidiaries

- **MAYCROFT HOMES LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/6f8eadd1-f179-5cf2-a649-a5c0a9062977

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Mark Andrew Costello**. Human view: https://whiteintel.dev/entity/39bc03e2-85d9-4195-9bf6-014d0e2b8bbf · Structured JSON: https://whiteintel.dev/api/public/dossier/39bc03e2-85d9-4195-9bf6-014d0e2b8bbf._

_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"._