---
title: "Mr Michael James William Calder — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4d4ab536-fb32-5d8a-8f08-98c2d440db8d
json: https://whiteintel.dev/api/public/dossier/4d4ab536-fb32-5d8a-8f08-98c2d440db8d
identifier: oo-person:GB-COH-PER-16028136-Jy02kidyGnP_fdO1scWA9Wf32JI
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Michael James William Calder

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-16028136-Jy02kidyGnP_fdO1scWA9Wf32JI`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4d4ab536-fb32-5d8a-8f08-98c2d440db8d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4d4ab536-fb32-5d8a-8f08-98c2d440db8d  

## Ownership & control

### Holdings / subsidiaries

- **MESSIER PROPERTY MANAGEMENT LTD** (beneficial owner) — 50% — https://whiteintel.dev/entity/616832be-3cce-5fbd-bbe5-740af93242b7

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Michael James William Calder**. Human view: https://whiteintel.dev/entity/4d4ab536-fb32-5d8a-8f08-98c2d440db8d · Structured JSON: https://whiteintel.dev/api/public/dossier/4d4ab536-fb32-5d8a-8f08-98c2d440db8d._

_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"._