---
title: "ADS BIOTEC LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3ef5ac3c-35af-581c-bb36-c0daec3bb6f0
json: https://whiteintel.dev/api/public/dossier/3ef5ac3c-35af-581c-bb36-c0daec3bb6f0
identifier: oo:GB-COH-03257373
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ADS BIOTEC LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-03257373`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3ef5ac3c-35af-581c-bb36-c0daec3bb6f0  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3ef5ac3c-35af-581c-bb36-c0daec3bb6f0  

## Ownership & control

### Owners / controllers

- **Mr Tsutomu Kojima** (beneficial owner) — 100% — https://whiteintel.dev/entity/c49d261a-a02e-5444-bce0-72a167b9880b
- **Mr Tsutomu Kojima** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/66a70b31-670b-4d5b-81ff-6d2ecf0d2acb

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

1. **Mr Tsutomu Kojima** — beneficial owner 100% → *ADS BIOTEC LIMITED*
1. **Mr Tsutomu Kojima** — beneficial owner 87.5% → *ADS BIOTEC LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `03257373`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1996-10-01
- **Registered office:** 22 Station Road, Cambridge, CB1 2JD, England
- **SIC:** 21100

### Officers

- BOWIE, Susan Elizabeth — secretary · appointed 2015-11-25
- BOWIE, Susan Elizabeth — director · British · appointed 2015-05-28
- DUBE, Vijay — director · Canadian · appointed 2015-11-25
- KOJIMA, Tsutomu — director · Japanese · appointed 2015-11-25
- EASTLAKE, Philip Benjamin — secretary · British · appointed 2007-08-02 · resigned 2015-11-25
- NEMETH, Ferenc Janos — secretary · Hungarian · appointed 2003-02-17 · resigned 2004-01-26
- SMITH, Timothy — secretary · British · appointed 1996-12-23 · resigned 2001-11-21
- TURNER, Ian Richard Spencer — secretary · British · appointed 2001-11-21 · resigned 2003-02-17
- WATRIN, Jean Michel Patrick — secretary · British · appointed 2004-03-15 · resigned 2007-07-02
- COBBETTS (SECRETARIAL) LIMITED — corporate nominee secretary · appointed 1996-10-01 · resigned 1996-12-23
- D'SILVA, Collin — director · Asian Indian · appointed 1996-12-23 · resigned 2002-07-30
- DUMAN, Gregory John — director · American · appointed 2002-07-30 · resigned 2004-03-15
- EASTLAKE, Philip Benjamin — director · British · appointed 2004-03-15 · resigned 2015-11-25
- HUTTON, Robert Campbell, Dr — director · British · appointed 2000-05-26 · resigned 2004-03-15
- KINNON, Paul — director · British · appointed 2013-10-01 · resigned 2015-11-25
- MURPHY, Mitchell — director · American · appointed 1996-12-23 · resigned 2006-04-27
- NEMETH, Ferenc Janos — director · Hungarian · appointed 2003-02-17 · resigned 2004-01-26
- SCHNEIDER, Debra Ann — director · American · appointed 2007-02-20 · resigned 2010-06-16
- SMITH, Timothy — director · British · appointed 1996-12-23 · resigned 2001-11-21
- SUMMERS, Michael — director · American · appointed 2005-05-27 · resigned 2006-09-20

### Beneficial owners (Persons with Significant Control)

- Mr Tsutomu Kojima — 75–100% shares · individual PSC · England — since 2021-11-18

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/03257373
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/03257373

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ADS BIOTEC LIMITED**. Human view: https://whiteintel.dev/entity/3ef5ac3c-35af-581c-bb36-c0daec3bb6f0 · Structured JSON: https://whiteintel.dev/api/public/dossier/3ef5ac3c-35af-581c-bb36-c0daec3bb6f0._

_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"._