---
title: "William Keith Martin — Ownership Dossier"
canonical: https://whiteintel.dev/entity/094ba5f2-47dd-41f8-9dff-1ffd7a36e378
json: https://whiteintel.dev/api/public/dossier/094ba5f2-47dd-41f8-9dff-1ffd7a36e378
identifier: psc:Rpm3OFAh0K0yyMtinIuApxRnsCA
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# William Keith Martin

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `psc:Rpm3OFAh0K0yyMtinIuApxRnsCA`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/094ba5f2-47dd-41f8-9dff-1ffd7a36e378  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/094ba5f2-47dd-41f8-9dff-1ffd7a36e378  

## Ownership & control

### Holdings / subsidiaries

- **PINNACLE PERFORMANCE PARTNERS LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/8fc1fa62-6a8a-503a-93db-2aec3c0bf758

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **William Keith Martin**. Human view: https://whiteintel.dev/entity/094ba5f2-47dd-41f8-9dff-1ffd7a36e378 · Structured JSON: https://whiteintel.dev/api/public/dossier/094ba5f2-47dd-41f8-9dff-1ffd7a36e378._

_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"._