---
title: "Mr Matthew Jason Grayston — Ownership Dossier"
canonical: https://whiteintel.dev/entity/97dd6800-d5a5-4542-bae1-e52a194db2b5
json: https://whiteintel.dev/api/public/dossier/97dd6800-d5a5-4542-bae1-e52a194db2b5
identifier: psc:PZesG-Qx4BWGOnl98zAR9wmQ_hA
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Matthew Jason Grayston

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:PZesG-Qx4BWGOnl98zAR9wmQ_hA`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/97dd6800-d5a5-4542-bae1-e52a194db2b5  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/97dd6800-d5a5-4542-bae1-e52a194db2b5  

## Ownership & control

### Holdings / subsidiaries

- **GRAY COURT SIGNALLING LTD** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/41d032f8-7319-5e17-afcb-45f107f0cbfc

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Matthew Jason Grayston**. Human view: https://whiteintel.dev/entity/97dd6800-d5a5-4542-bae1-e52a194db2b5 · Structured JSON: https://whiteintel.dev/api/public/dossier/97dd6800-d5a5-4542-bae1-e52a194db2b5._

_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"._