---
title: "Mr Martin Stephen Groombridge — Ownership Dossier"
canonical: https://whiteintel.dev/entity/5b40f4d5-fe75-41a2-9e4a-830d24d8b345
json: https://whiteintel.dev/api/public/dossier/5b40f4d5-fe75-41a2-9e4a-830d24d8b345
identifier: psc:F5aePR1q9IjU4kW8gsAECisPrsw
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Martin Stephen Groombridge

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:F5aePR1q9IjU4kW8gsAECisPrsw`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/5b40f4d5-fe75-41a2-9e4a-830d24d8b345  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/5b40f4d5-fe75-41a2-9e4a-830d24d8b345  

## Ownership & control

### Holdings / subsidiaries

- **SWINDON TECHNICAL SERVICES LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/9162f2d2-708d-5869-a7c9-4bbbf7c953fb

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Martin Stephen Groombridge**. Human view: https://whiteintel.dev/entity/5b40f4d5-fe75-41a2-9e4a-830d24d8b345 · Structured JSON: https://whiteintel.dev/api/public/dossier/5b40f4d5-fe75-41a2-9e4a-830d24d8b345._

_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"._