---
title: "Mark Symes — Ownership Dossier"
canonical: https://whiteintel.dev/entity/65017109-a9eb-5dcc-9ba4-dc002eb678cb
json: https://whiteintel.dev/api/public/dossier/65017109-a9eb-5dcc-9ba4-dc002eb678cb
identifier: oo-person:GB-COH-PER-SC730033-vUzNdNHINAhI21nsRp4mYvAqN7k
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mark Symes

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-SC730033-vUzNdNHINAhI21nsRp4mYvAqN7k`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/65017109-a9eb-5dcc-9ba4-dc002eb678cb  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/65017109-a9eb-5dcc-9ba4-dc002eb678cb  

## Ownership & control

### Holdings / subsidiaries

- **CLYDE HYDROGEN SYSTEMS LTD** (beneficial owner) — 50% — https://whiteintel.dev/entity/f0ec1f90-0452-5372-b32a-1b9d8919c381

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mark Symes**. Human view: https://whiteintel.dev/entity/65017109-a9eb-5dcc-9ba4-dc002eb678cb · Structured JSON: https://whiteintel.dev/api/public/dossier/65017109-a9eb-5dcc-9ba4-dc002eb678cb._

_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"._