---
title: "GENZYME THERAPEUTICS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a392d260-80ab-5d99-9279-e7f67f556d0d
json: https://whiteintel.dev/api/public/dossier/a392d260-80ab-5d99-9279-e7f67f556d0d
identifier: lei:54930070ZX7ZM2WSJU92
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# GENZYME THERAPEUTICS LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `lei:54930070ZX7ZM2WSJU92`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a392d260-80ab-5d99-9279-e7f67f556d0d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a392d260-80ab-5d99-9279-e7f67f556d0d  

## Registry profile

- **Status:** LAPSED  
- **Legal form:** `H0PO`  
- **Source:** GLEIF  

## Cross-source identity

The same real-world entity, resolved across sources:

- **GENZYME THERAPEUTICS LIMITED** — companies_house_bulk · `oo:GB-COH-04316333` — https://whiteintel.dev/entity/36fc62e2-42fe-50db-ad5d-a37ac50022fe

## Ownership & control

### Owners / controllers

- **SANOFI** (ultimate parent) — https://whiteintel.dev/entity/ab990748-3e6c-5c11-8aa2-5717808e3d04
- **SANOFI-AVENTIS UK HOLDINGS LIMITED** (parent) — https://whiteintel.dev/entity/fc46b0a4-c0c5-592d-8730-137945ac1023

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

1. **AVENTIS PHARMA LIMITED** — beneficial owner 100% → *GENZYME THERAPEUTICS LIMITED*
1. **SANOFI-AVENTIS UK HOLDINGS LIMITED** — beneficial owner 87.5% → *GENZYME THERAPEUTICS LIMITED*
1. **AVENTIS PHARMA LIMITED** — beneficial owner 87.5% → *GENZYME THERAPEUTICS LIMITED*
1. **SANOFI** — ultimate parent → *GENZYME THERAPEUTICS LIMITED*
1. **SANOFI-AVENTIS UK HOLDINGS LIMITED** — parent → *GENZYME THERAPEUTICS LIMITED*
2. **SANOFI-AVENTIS UK HOLDINGS LIMITED** — beneficial owner 100% → *AVENTIS PHARMA LIMITED*
2. **SANOFI-AVENTIS UK HOLDINGS LIMITED** — beneficial owner 87.5% → *AVENTIS PHARMA LIMITED*
2. **SANOFI** — ultimate parent → *AVENTIS PHARMA LIMITED*
2. **SANOFI-AVENTIS UK HOLDINGS LIMITED** — parent → *AVENTIS PHARMA LIMITED*
2. **SANOFI-SYNTHELABO UK LIMITED** — beneficial owner 50% → *SANOFI-AVENTIS UK HOLDINGS LIMITED*
2. **AVENTIS PHARMA HOLDINGS LIMITED** — beneficial owner 75% → *SANOFI-AVENTIS UK HOLDINGS LIMITED*
2. **AVENTIS PHARMA HOLDINGS LIMITED** — beneficial owner 62.5% → *SANOFI-AVENTIS UK HOLDINGS LIMITED*
2. **SANOFI-SYNTHELABO UK LIMITED** — beneficial owner 37.5% → *SANOFI-AVENTIS UK HOLDINGS LIMITED*
2. **SANOFI AVENTIS PARTICIPATIONS** — parent → *SANOFI-AVENTIS UK HOLDINGS LIMITED*
2. **SANOFI** — ultimate parent → *SANOFI-AVENTIS UK HOLDINGS LIMITED*
3. **SANOFI** — ultimate parent → *SANOFI AVENTIS PARTICIPATIONS*
3. **SANOFI** — parent → *SANOFI AVENTIS PARTICIPATIONS*
3. **AVENTIS PHARMA HOLDINGS LIMITED** — beneficial owner 100% → *AVENTIS PHARMA HOLDINGS LIMITED*
3. **Sanofi** — beneficial owner 87.5% → *AVENTIS PHARMA HOLDINGS LIMITED*
3. **Sanofi** — beneficial owner 87.5% → *SANOFI-SYNTHELABO UK LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `04316333`
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 2001-11-05
- **Registered office:** 410 THAMES VALLEY PARK DRIVE, READING, BERKSHIRE, RG6 1PT
- **SIC:** 74990 - Non-trading company

## Provenance

- GLEIF — https://search.gleif.org/#/record/54930070ZX7ZM2WSJU92

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **GENZYME THERAPEUTICS LIMITED**. Human view: https://whiteintel.dev/entity/a392d260-80ab-5d99-9279-e7f67f556d0d · Structured JSON: https://whiteintel.dev/api/public/dossier/a392d260-80ab-5d99-9279-e7f67f556d0d._

_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"._