---
title: "YELLOWSTONE BIOSCIENCES LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/300e33ea-b45f-5d65-890b-ae702cbef49a
json: https://whiteintel.dev/api/public/dossier/300e33ea-b45f-5d65-890b-ae702cbef49a
identifier: oo:GB-COH-14606478
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# YELLOWSTONE BIOSCIENCES LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-14606478`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/300e33ea-b45f-5d65-890b-ae702cbef49a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/300e33ea-b45f-5d65-890b-ae702cbef49a  

## Ownership & control

### Owners / controllers

- **Julian Clement Hirst** (beneficial owner) — 100% — https://whiteintel.dev/entity/fca432e3-94d8-5325-8e91-a00e27dfe8d9
- **Giridharan Ramsingh** (beneficial owner) — 50% — https://whiteintel.dev/entity/0e3d93f5-f36d-5a9f-8c5d-6a0cee09f436
- **Professor Paresh Vyas** (beneficial owner) — 75% — https://whiteintel.dev/entity/57d68b2a-dc57-5faf-83e0-656f6cb44b0f
- **Julian Clement Hirst** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/8de510c8-64e3-4996-86fc-680cd37c39a3
- **Giridharan Ramsingh** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/6e21b3bf-353f-4490-8297-365d0674b8bb
- **Professor Paresh Vyas** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/30e2ac12-2c3a-4ef2-94b0-fdeb3e32e789
- **Syncona Limited** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/469c21c8-5340-404b-bed0-49a97f8dde35

### 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:** `14606478`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2023-01-20
- **Registered office:** 4100 Chancellor Court, John Smith Drive, Arc Oxford, Oxford, OX4 2GX, United Kingdom
- **SIC:** 72110

### Officers

- HIRST, Julian Clement — secretary · appointed 2024-04-25
- GARCIA GAJARDO, Gonzalo Andres, Dr — director · British,Chilean · appointed 2024-03-28
- HOLLOWOOD, Christopher John, Dr — director · British · appointed 2024-03-28
- MACDONALD, James Jay — director · American · appointed 2025-09-15
- VYAS, Paresh, Professor — director · British · appointed 2024-03-28
- HIRST, Julian Clement — secretary · appointed 2023-01-20 · resigned 2024-03-28
- HIRST, Julian Clement — director · British · appointed 2023-01-20 · resigned 2024-03-28
- JOHNSTON, Neil Gerard, Dr — director · British · appointed 2024-03-28 · resigned 2025-10-31

### Beneficial owners (Persons with Significant Control)

- [Syncona Limited](https://whiteintel.dev/entity/469c21c8-5340-404b-bed0-49a97f8dde35) — 50–75% shares · corporate PSC · Guernsey — since 2024-06-12
- Professor Paresh Vyas — 50–75% shares · individual PSC · United Kingdom — ceased 2024-06-24
- Julian Clement Hirst — 75–100% shares · individual PSC · United Kingdom — ceased 2024-03-28
- Giridharan Ramsingh — 25–50% shares · individual PSC · United Kingdom — ceased 2024-01-30

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/14606478
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/14606478

## 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 **YELLOWSTONE BIOSCIENCES LIMITED** — https://whiteintel.dev/entity/300e33ea-b45f-5d65-890b-ae702cbef49a · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **YELLOWSTONE BIOSCIENCES LIMITED**. Human view: https://whiteintel.dev/entity/300e33ea-b45f-5d65-890b-ae702cbef49a · Structured JSON: https://whiteintel.dev/api/public/dossier/300e33ea-b45f-5d65-890b-ae702cbef49a._

_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"._