---
title: "MERCK LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/845bc07d-1d4e-55a0-baee-c2eeb1f81c41
json: https://whiteintel.dev/api/public/dossier/845bc07d-1d4e-55a0-baee-c2eeb1f81c41
identifier: oo:GB-COH-00916419
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MERCK LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-00916419`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/845bc07d-1d4e-55a0-baee-c2eeb1f81c41  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/845bc07d-1d4e-55a0-baee-c2eeb1f81c41  

## Ownership & control

### Owners / controllers

- **MERCK SERONO LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/73a992f2-4b5b-51ba-9ea9-3ab8678da82b
- **Merck Serono Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/5f11d17d-b020-4eb3-8958-67222561f90a

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

A **7-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:** `00916419`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1967-09-27
- **Registered office:** 5 New Square, Bedfont Lakes Business Park, Feltham, TW14 8HA, United Kingdom
- **SIC:** 74990

### Officers

- A G SECRETARIAL LIMITED — corporate secretary · appointed 2014-05-01
- IONESCU, Doina, Dr — director · British · appointed 2020-05-17
- MASSEY, Alison Eve — director · British · appointed 2023-03-01
- CLARKE, James Kempe — secretary · British · appointed 2004-04-08 · resigned 2006-07-07
- FAIRLESS, Robert Andrew Bellamy — secretary · British · appointed 2009-07-31 · resigned 2010-05-01
- FRASER, Nicholas Guy — secretary · appointed 2010-05-01 · resigned 2014-06-30
- FRASER, Nicholas Guy — secretary · British · appointed 2006-07-07 · resigned 2009-07-31
- VASS, John Raymond — secretary · British · resigned 2004-04-07
- BECKER, Sascha — director · German · appointed 2009-04-22 · resigned 2012-09-01
- BIRO, Peter — director · Dutch · appointed 2017-07-01 · resigned 2023-03-01
- CLARKE, James Kempe — director · British · appointed 2004-04-08 · resigned 2007-07-26
- GROSS, Peter Pinchas — director · British · appointed 2007-07-26 · resigned 2009-04-22
- HENDERSON, Mary Elizabeth — director · Irish · appointed 2018-09-01 · resigned 2020-05-17
- HERMANSSON, Soeren, Dr — director · German · appointed 2004-04-08 · resigned 2006-07-18
- JEANS, David Richard — director · British · appointed 2015-06-19 · resigned 2017-06-30
- KRATZER, Stefan — director · German · appointed 2012-09-01 · resigned 2017-07-01
- MANSON, Gavin Maxwell — director · British · appointed 2006-10-30 · resigned 2008-08-15
- OCONNELL, Robert Bartholomew — director · British · resigned 1998-08-31
- PALMER, Christopher Neil — director · British · appointed 1998-09-01 · resigned 2004-04-07
- PRCHLA, Elisabeth — director · Austrian · appointed 2017-07-01 · resigned 2018-09-01

### Beneficial owners (Persons with Significant Control)

- [Merck Serono Limited](https://whiteintel.dev/entity/5f11d17d-b020-4eb3-8958-67222561f90a) — 75–100% shares · corporate PSC · United Kingdom — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/00916419
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/00916419

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MERCK LTD**. Human view: https://whiteintel.dev/entity/845bc07d-1d4e-55a0-baee-c2eeb1f81c41 · Structured JSON: https://whiteintel.dev/api/public/dossier/845bc07d-1d4e-55a0-baee-c2eeb1f81c41._

_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"._