---
title: "BOURN BIOSCIENCE LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/74bac4a9-5083-5b3b-a68f-7da0dc644f38
json: https://whiteintel.dev/api/public/dossier/74bac4a9-5083-5b3b-a68f-7da0dc644f38
identifier: oo:GB-COH-05481558
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BOURN BIOSCIENCE LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-05481558`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/74bac4a9-5083-5b3b-a68f-7da0dc644f38  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/74bac4a9-5083-5b3b-a68f-7da0dc644f38  

## Cross-source identity

The same real-world entity, resolved across sources:

- **Bourn Bioscience Limited** — source · `gb-coh:5481558` — https://whiteintel.dev/entity/14692fb0-b63d-4234-ab01-8363b9236843
- **BOURN BIOSCIENCE LIMITED** — GLEIF · `lei:21380097HGOKADKE5Q59` — https://whiteintel.dev/entity/cb934867-116c-5b25-a9a2-4b97cc78f616

## Ownership & control

### Owners / controllers

- **Dr Michael Charles Macnamee** (beneficial owner) — 75% — https://whiteintel.dev/entity/008ea5c7-6617-59ca-a674-a04a8541d3f1
- **BOURN BIOSCIENCE LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/74bac4a9-5083-5b3b-a68f-7da0dc644f38
- **Dr Michael Charles Macnamee** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/f5e4f4e5-d3cf-4fec-af53-b86d15495295
- **Bourn Hall Holdings Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/2db53fbb-a01b-4f2a-a059-13c2ebca64c5

### Holdings / subsidiaries

- **BOURN HALL CLINIC (COLCHESTER) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/d8aa1226-3e45-5d84-96c6-3a3821134830
- **BOURN HALL LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/0bec9a24-16a3-5ab0-b529-052199a7863b

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

A **12-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:** `05481558`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2005-06-15
- **Registered office:** Bourn Hall High Street, Bourn, Cambridge, CB23 2TN, England
- **SIC:** 86220

### Officers

- CAPLAND, Adam — director · Canadian · appointed 2022-09-28
- JELLEY, Peter — director · Canadian · appointed 2022-09-28
- MACNAMEE, Michael Charles, Dr — director · British · appointed 2005-12-12
- BARTON, Simon Mark — secretary · British · appointed 2005-12-12 · resigned 2020-12-29
- LIM, Zickie — nominee secretary · British · appointed 2005-06-15 · resigned 2005-12-12
- AUSTIN, Clive James — director · British · appointed 2014-01-29 · resigned 2017-03-09
- BARTON, Simon Mark — director · British · appointed 2005-12-12 · resigned 2020-12-29
- BATEMAN, Karen Marion — director · British · appointed 2014-01-29 · resigned 2016-01-11
- BROOME, Gill — director · Canadian · appointed 2020-12-29 · resigned 2022-09-28
- CLARK, Andrew — director · Canadian · appointed 2020-12-29 · resigned 2025-07-24
- COURSE, Dawn — director · British · appointed 2005-12-12 · resigned 2020-12-29
- DEXTER, Alan Michael — director · British · appointed 2014-01-29 · resigned 2020-05-27
- GARLAND, Danielle Patricia — director · British · appointed 2017-03-09 · resigned 2020-09-01
- GIBBONS, Lisa Mary — director · British · appointed 2005-12-12 · resigned 2009-12-31
- GRAVER, Nicola Charlotte — director · British · appointed 2005-12-12 · resigned 2020-12-29
- PICKTHORN, Tom — nominee director · British · appointed 2005-06-15 · resigned 2005-12-12

### Beneficial owners (Persons with Significant Control)

- Bourn Hall Holdings Limited — 75–100% shares · corporate PSC · England — since 2020-12-29
- Dr Michael Charles Macnamee — 50–75% shares · individual PSC · England — ceased 2020-12-29

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/05481558
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/05481558

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **BOURN BIOSCIENCE LIMITED** — https://whiteintel.dev/entity/74bac4a9-5083-5b3b-a68f-7da0dc644f38 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BOURN BIOSCIENCE LIMITED**. Human view: https://whiteintel.dev/entity/74bac4a9-5083-5b3b-a68f-7da0dc644f38 · Structured JSON: https://whiteintel.dev/api/public/dossier/74bac4a9-5083-5b3b-a68f-7da0dc644f38._

_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"._