---
title: "Mr Mark Christopher Whittall — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e55451e1-2a6d-413b-a6d4-4ffcdcba5ff0
json: https://whiteintel.dev/api/public/dossier/e55451e1-2a6d-413b-a6d4-4ffcdcba5ff0
identifier: psc:IBQ-jsQs7F5-A1xYxIzqaUA25Ws
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Mark Christopher Whittall

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `psc:IBQ-jsQs7F5-A1xYxIzqaUA25Ws`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e55451e1-2a6d-413b-a6d4-4ffcdcba5ff0  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e55451e1-2a6d-413b-a6d4-4ffcdcba5ff0  

## Ownership & control

### Holdings / subsidiaries

- **PORTSMERE CONSTRUCTION LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/108aaab7-a2c5-5578-9fc7-e65253ca8c0b

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Mark Christopher Whittall**. Human view: https://whiteintel.dev/entity/e55451e1-2a6d-413b-a6d4-4ffcdcba5ff0 · Structured JSON: https://whiteintel.dev/api/public/dossier/e55451e1-2a6d-413b-a6d4-4ffcdcba5ff0._

_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"._