---
title: "TCS BIOSCIENCES LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/77bec78f-5649-5cbf-b239-07ec2e8da065
json: https://whiteintel.dev/api/public/dossier/77bec78f-5649-5cbf-b239-07ec2e8da065
identifier: oo:GB-COH-02172900
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# TCS BIOSCIENCES LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-02172900`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/77bec78f-5649-5cbf-b239-07ec2e8da065  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/77bec78f-5649-5cbf-b239-07ec2e8da065  

## Cross-source identity

The same real-world entity, resolved across sources:

- **TCS BIOSCIENCES LIMITED** — GLEIF · `lei:549300SQWE67IEXHCY98` — https://whiteintel.dev/entity/478de288-861f-5d08-b78a-a3c21d565356

## Ownership & control

### Owners / controllers

- **Mrs Lynda Jane Preston** (beneficial owner) — 50% — https://whiteintel.dev/entity/04e7153e-aede-5f0b-ba36-9d0a9c6c16e1
- **Mrs Emily Jane Utley** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/cae50c95-b292-4e03-9387-8f3666de24c6
- **Dr Katherine Elaine Preston** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/e9927cd6-e968-44ab-98fa-04499edb5f49
- **Mr James Preston** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/72dd11b6-615b-4a43-a42c-869506c0fb53
- **Mrs Lynda Jane Preston** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/7cbd6ef6-95a4-4f12-a4b0-59ff0daf670f

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

A **5-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:** `02172900`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1987-10-01
- **Registered office:** Botolph Farm, Botolph Claydon, Buckingham, MK18 2LR
- **SIC:** 21100

### Officers

- UTLEY, Emily Jane — secretary · appointed 2024-12-13
- PRESTON, James Eley — director · British · appointed 2017-05-24
- PRESTON, Katherine, Dr — director · British · appointed 2005-09-28
- PRESTON, Lynda Jane — director · British · appointed 2001-04-26
- UTLEY, Emily Jane — director · British · appointed 2005-09-28
- WILLIAMS, Gareth Arran — director · British · appointed 2006-04-01
- PRESTON, Anthony Clive Jellicoe — secretary · British · resigned 2004-11-26
- TOOMBS, Ruth Vanessa — secretary · British · appointed 2006-04-01 · resigned 2024-12-13
- UTLEY, Emily Jane — secretary · British · appointed 2004-11-26 · resigned 2006-03-31
- ALMOND, Timothy Joseph, Dr — director · British · appointed 2005-07-01 · resigned 2008-01-14
- BRADSHAW, John Anthony — director · British · appointed 1997-11-03 · resigned 1999-07-31
- GARDNER, Catherine Ann — director · British · resigned 2000-04-10
- PRESTON, Alan Eley — director · British · resigned 2005-12-20
- PRESTON, Anthony Clive Jellicoe — director · British · resigned 2001-03-30
- TOOMBS, Ruth Vanessa — director · British · appointed 2006-04-01 · resigned 2024-12-13

### Beneficial owners (Persons with Significant Control)

- Mrs Emily Jane Utley — 25–50% shares · individual PSC — since 2025-02-20
- Dr Katherine Elaine Preston — 25–50% shares · individual PSC — since 2025-02-20
- Mr James Preston — 25–50% shares · individual PSC — since 2025-02-20
- Mrs Lynda Jane Preston — 25–50% shares · individual PSC — ceased 2025-02-20

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/02172900
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/02172900

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **TCS BIOSCIENCES LIMITED**. Human view: https://whiteintel.dev/entity/77bec78f-5649-5cbf-b239-07ec2e8da065 · Structured JSON: https://whiteintel.dev/api/public/dossier/77bec78f-5649-5cbf-b239-07ec2e8da065._

_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"._