---
title: "Mr Mark Adam Calvert — Ownership Dossier"
canonical: https://whiteintel.dev/entity/600f44cd-bf64-497b-97f4-48c624bfda6a
json: https://whiteintel.dev/api/public/dossier/600f44cd-bf64-497b-97f4-48c624bfda6a
identifier: psc:uGkOwjAc9LoLxy7SNcCER6aWngE
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Mark Adam Calvert

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `psc:uGkOwjAc9LoLxy7SNcCER6aWngE`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/600f44cd-bf64-497b-97f4-48c624bfda6a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/600f44cd-bf64-497b-97f4-48c624bfda6a  

## Ownership & control

### Holdings / subsidiaries

- **THORNTON DALE PROJECT SERVICES LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/fe8a663b-427f-58dd-a100-8351626e95c6

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Mark Adam Calvert**. Human view: https://whiteintel.dev/entity/600f44cd-bf64-497b-97f4-48c624bfda6a · Structured JSON: https://whiteintel.dev/api/public/dossier/600f44cd-bf64-497b-97f4-48c624bfda6a._

_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"._