---
title: "Ms Sian Elizabeth Mary Thomas — Ownership Dossier"
canonical: https://whiteintel.dev/entity/90ae0f47-620e-52d0-b634-e4fd83e8fd19
json: https://whiteintel.dev/api/public/dossier/90ae0f47-620e-52d0-b634-e4fd83e8fd19
identifier: oo-person:GB-COH-PER-10229906-UIS0xjDOpreOYwwgiLQbRDFm62I
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Ms Sian Elizabeth Mary Thomas

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `oo-person:GB-COH-PER-10229906-UIS0xjDOpreOYwwgiLQbRDFm62I`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/90ae0f47-620e-52d0-b634-e4fd83e8fd19  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/90ae0f47-620e-52d0-b634-e4fd83e8fd19  

## Ownership & control

### Holdings / subsidiaries

- **FUNDAMENTAL SCIENCE LTD** (beneficial owner) — 100% — https://whiteintel.dev/entity/f4282f65-e9f3-5cfd-b339-d1bf89159dbb

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Ms Sian Elizabeth Mary Thomas**. Human view: https://whiteintel.dev/entity/90ae0f47-620e-52d0-b634-e4fd83e8fd19 · Structured JSON: https://whiteintel.dev/api/public/dossier/90ae0f47-620e-52d0-b634-e4fd83e8fd19._

_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"._