---
title: "RIGA-BICKNELL MEDICAL LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/abdbdd13-d411-5306-91cf-cb533e93579c
json: https://whiteintel.dev/api/public/dossier/abdbdd13-d411-5306-91cf-cb533e93579c
identifier: oo:GB-COH-12130425
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# RIGA-BICKNELL MEDICAL LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-12130425`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/abdbdd13-d411-5306-91cf-cb533e93579c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/abdbdd13-d411-5306-91cf-cb533e93579c  

## Ownership & control

### Owners / controllers

- **Professor Colin David Bicknell** (beneficial owner) — 50% — https://whiteintel.dev/entity/98c08eaa-76db-53d5-8341-9574a3232a34
- **Dr Celia Vasiliki Theodoreli-Riga** (beneficial owner) — 50% — https://whiteintel.dev/entity/d6a1d13d-6674-50de-87ac-9f8f825ee567
- **Dr Celia Vasiliki Theodoreli-Riga** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/86501e3f-5760-4e70-ad3d-2fe24300a430
- **Professor Colin David Bicknell** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/90f32df8-7a0e-494e-af83-9a3f5fec7192

### UBO chain (walk to the ultimate owner)

A **4-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Company profile (live · UK Companies House)

- **Company number:** `12130425`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2019-07-31
- **Registered office:** 4th Floor, Fitzrovia House, 153-157 Cleveland Street, London, W1T 6QW, United Kingdom
- **SIC:** 86220

### Officers

- BICKNELL, Colin David, Professor — director · British · appointed 2019-07-31
- THEODORELI-RIGA, Celia Vasiliki — director · British,Greek · appointed 2019-07-31

### Beneficial owners (Persons with Significant Control)

- Professor Colin David Bicknell — 25–50% shares · individual PSC · United Kingdom — since 2019-07-31
- Dr Celia Vasiliki Theodoreli-Riga — 25–50% shares · individual PSC · United Kingdom — since 2019-07-31

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/12130425
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/12130425

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **RIGA-BICKNELL MEDICAL LIMITED**. Human view: https://whiteintel.dev/entity/abdbdd13-d411-5306-91cf-cb533e93579c · Structured JSON: https://whiteintel.dev/api/public/dossier/abdbdd13-d411-5306-91cf-cb533e93579c._

_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"._