---
title: "Mr Mark Richard Johnson — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ab220a01-b08a-5818-91b2-e2125ddfd6c5
json: https://whiteintel.dev/api/public/dossier/ab220a01-b08a-5818-91b2-e2125ddfd6c5
identifier: oo-person:GB-COH-PER-05498780-PYXm-u8uOjtPsImRa8CjQvsc-Yw
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Mark Richard Johnson

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `oo-person:GB-COH-PER-05498780-PYXm-u8uOjtPsImRa8CjQvsc-Yw`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ab220a01-b08a-5818-91b2-e2125ddfd6c5  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ab220a01-b08a-5818-91b2-e2125ddfd6c5  

## Ownership & control

### Holdings / subsidiaries

- **RIAH STUDIO LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/b6605b57-ffcc-51b7-b7b8-246f517834cb

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Mark Richard Johnson**. Human view: https://whiteintel.dev/entity/ab220a01-b08a-5818-91b2-e2125ddfd6c5 · Structured JSON: https://whiteintel.dev/api/public/dossier/ab220a01-b08a-5818-91b2-e2125ddfd6c5._

_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"._