---
title: "Mr Derek Sidney Williams — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2674e7ae-e097-522b-9efd-65ccc2c9c937
json: https://whiteintel.dev/api/public/dossier/2674e7ae-e097-522b-9efd-65ccc2c9c937
identifier: oo-person:GB-COH-PER-09458694-GLPHwyYwkfJFXlAQZyInPvEc6x0
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Derek Sidney Williams

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `oo-person:GB-COH-PER-09458694-GLPHwyYwkfJFXlAQZyInPvEc6x0`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/2674e7ae-e097-522b-9efd-65ccc2c9c937  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2674e7ae-e097-522b-9efd-65ccc2c9c937  

## Ownership & control

### Holdings / subsidiaries

- **WISAM LIMITED** (beneficial owner) — https://whiteintel.dev/entity/23f381c6-3d8c-5476-9535-aef06752bddd

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Derek Sidney Williams**. Human view: https://whiteintel.dev/entity/2674e7ae-e097-522b-9efd-65ccc2c9c937 · Structured JSON: https://whiteintel.dev/api/public/dossier/2674e7ae-e097-522b-9efd-65ccc2c9c937._

_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"._