---
title: "GRAY BOX SECURITY LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/22bfa688-9185-593a-bdac-43bf6a2541e4
json: https://whiteintel.dev/api/public/dossier/22bfa688-9185-593a-bdac-43bf6a2541e4
identifier: oo:GB-COH-11102111
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# GRAY BOX SECURITY LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-11102111`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/22bfa688-9185-593a-bdac-43bf6a2541e4  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/22bfa688-9185-593a-bdac-43bf6a2541e4  

## Ownership & control

### Owners / controllers

- **Mr Mark Stephen Gray** (beneficial owner) — 100% — https://whiteintel.dev/entity/45f6f2f2-e21a-51c1-86bb-447ca21a57f0
- **Mr Mark Stephen Gray** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/0e832b96-20b4-4c14-a430-e0a893f94a3c

### UBO chain (walk to the ultimate owner)

A **2-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Company profile (live · UK Companies House)

- **Company number:** `11102111`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2017-12-07
- **Registered office:** 79 Brandshill Ave, High Wycombe, Buckinghamshire, HP13 5PY, England
- **SIC:** 62090

### Officers

- GRAY, Mark Stephen — director · British · appointed 2017-12-07

### Beneficial owners (Persons with Significant Control)

- Mr Mark Stephen Gray — 75–100% shares · individual PSC · England — since 2017-12-07

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/11102111
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/11102111

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **GRAY BOX SECURITY LTD**. Human view: https://whiteintel.dev/entity/22bfa688-9185-593a-bdac-43bf6a2541e4 · Structured JSON: https://whiteintel.dev/api/public/dossier/22bfa688-9185-593a-bdac-43bf6a2541e4._

_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"._