---
title: "THAMES LABORATORIES HOLDINGS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/dca745c6-4e62-59d4-94ec-e7ce1d467a74
json: https://whiteintel.dev/api/public/dossier/dca745c6-4e62-59d4-94ec-e7ce1d467a74
identifier: oo:GB-COH-13470464
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# THAMES LABORATORIES HOLDINGS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-13470464`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/dca745c6-4e62-59d4-94ec-e7ce1d467a74  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/dca745c6-4e62-59d4-94ec-e7ce1d467a74  

## Ownership & control

### Owners / controllers

- **Mr John Charles Richards** (beneficial owner) — 50% — https://whiteintel.dev/entity/68b7cf0b-51c3-5caf-820b-9c675abd106e
- **Mrs Alison Elizabeth Richards** (beneficial owner) — 50% — https://whiteintel.dev/entity/d0fd1343-3b4e-5a98-969c-5e72e5f7ec02
- **Mrs Alison Elizabeth Richards** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/ff2728d6-166e-4f47-b96f-9056a80c5d22
- **Mr John Charles Richards** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/7fa60267-9f94-4347-8491-6598471159c0

### Holdings / subsidiaries

- **THE HAZARD MANAGEMENT & ENVIRONMENTAL SERVICES LABORATORIES LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/f302c11f-9a99-5000-b44d-693e0aea4763
- **THE HAZARD MANAGEMENT & ENVIRONMENTAL SERVICES LABORATORIES LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/f302c11f-9a99-5000-b44d-693e0aea4763
- **THEO SYSTEMS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/cd999554-5f7a-5e08-a108-55074ed91b92

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

A **4-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:** `13470464`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2021-06-22
- **Registered office:** Hollow Farm, 9 Hilton Road, Fenstanton, Cambridge, PE28 9LJ, United Kingdom
- **SIC:** 82990

### Officers

- RICHARDS, Alison Elizabeth — director · British · appointed 2021-06-22
- RICHARDS, John Charles — director · British · appointed 2021-06-22

### Beneficial owners (Persons with Significant Control)

- Mr John Charles Richards — 25–50% shares · individual PSC · United Kingdom — since 2021-06-22
- Mrs Alison Elizabeth Richards — 25–50% shares · individual PSC · United Kingdom — since 2021-06-22

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/13470464
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/13470464

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **THAMES LABORATORIES HOLDINGS LIMITED**. Human view: https://whiteintel.dev/entity/dca745c6-4e62-59d4-94ec-e7ce1d467a74 · Structured JSON: https://whiteintel.dev/api/public/dossier/dca745c6-4e62-59d4-94ec-e7ce1d467a74._

_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"._