---
title: "BIOGEN EM TOPCO LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e370358e-10fe-5cd0-846d-2f06a69baa2e
json: https://whiteintel.dev/api/public/dossier/e370358e-10fe-5cd0-846d-2f06a69baa2e
identifier: oo:GB-COH-11020593
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BIOGEN EM TOPCO LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-11020593`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e370358e-10fe-5cd0-846d-2f06a69baa2e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e370358e-10fe-5cd0-846d-2f06a69baa2e  

## Ownership & control

### Owners / controllers

- **ANCALA BIOENERGY LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/44ecd310-23ec-51fc-9718-c2efc40da0e6
- **ANCALA UK INFRASTRUCTURE B GP LLP** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/4822c38e-825c-51cc-b785-9614c81eb656
- **ANCALA BIOENERGY LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/44ecd310-23ec-51fc-9718-c2efc40da0e6

### Holdings / subsidiaries

- **BIOGEN EM MIDCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/74bc499f-d075-5853-9d75-a5500e01bfbc

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

A **33-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:** `11020593`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2017-10-18
- **Registered office:** Milton Parc, Milton Ernest, Bedford, MK44 1YU, England
- **SIC:** 99999

### Officers

- FENELEY, Adam — director · British · appointed 2024-02-08
- FORD, Luke William — director · British · appointed 2025-02-03
- HUGHES, Matthew John — director · British · appointed 2024-08-15
- LISTER, Cathryn — director · British · appointed 2018-12-01
- AJMERA, Ankur — director · Australian · appointed 2017-10-18 · resigned 2018-01-15
- CLUNIE, Spence Matthew — director · British · appointed 2017-10-18 · resigned 2018-01-15
- FENELEY, Adam — director · British · appointed 2017-10-18 · resigned 2019-12-31
- JOHNSON, Martin Paul — director · British · appointed 2020-10-01 · resigned 2022-10-31
- MUSTHER, Simon — director · British · appointed 2017-10-18 · resigned 2024-07-15
- PARKER, Robert Joseph — director · English · appointed 2019-12-04 · resigned 2024-02-08
- VINCENT, Graeme Kenneth Charles — director · British · appointed 2017-10-18 · resigned 2025-07-22

### Beneficial owners (Persons with Significant Control)

- [Ancala Bioenergy Limited](https://whiteintel.dev/entity/44ecd310-23ec-51fc-9718-c2efc40da0e6) — 75–100% shares · corporate PSC · England — since 2018-01-15
- [Ancala Uk Infrastructure B Gp Llp](https://whiteintel.dev/entity/4822c38e-825c-51cc-b785-9614c81eb656) — 75–100% shares · corporate PSC · United Kingdom — ceased 2018-01-15

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/11020593
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/11020593

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BIOGEN EM TOPCO LIMITED**. Human view: https://whiteintel.dev/entity/e370358e-10fe-5cd0-846d-2f06a69baa2e · Structured JSON: https://whiteintel.dev/api/public/dossier/e370358e-10fe-5cd0-846d-2f06a69baa2e._

_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"._