---
title: "Mr Martin Richard Graham Slack — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ffdea2d8-461d-59b7-86ec-7b5f2ceff5f2
json: https://whiteintel.dev/api/public/dossier/ffdea2d8-461d-59b7-86ec-7b5f2ceff5f2
identifier: oo-person:GB-COH-PER-SC330552-Cp0WPWWr_1Wztjs0974WApMEMhg
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Martin Richard Graham Slack

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `oo-person:GB-COH-PER-SC330552-Cp0WPWWr_1Wztjs0974WApMEMhg`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ffdea2d8-461d-59b7-86ec-7b5f2ceff5f2  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ffdea2d8-461d-59b7-86ec-7b5f2ceff5f2  

## Ownership & control

### Holdings / subsidiaries

- **HELIX SAFETY LIMITED** (beneficial owner) — 75% — https://whiteintel.dev/entity/ef171a3d-afaa-5de5-b1e6-87475fe639f2

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Martin Richard Graham Slack**. Human view: https://whiteintel.dev/entity/ffdea2d8-461d-59b7-86ec-7b5f2ceff5f2 · Structured JSON: https://whiteintel.dev/api/public/dossier/ffdea2d8-461d-59b7-86ec-7b5f2ceff5f2._

_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"._