---
title: "ENVIROLAB LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2b521a9f-e4e1-5fc4-b4c3-6d4517b4b5a4
json: https://whiteintel.dev/api/public/dossier/2b521a9f-e4e1-5fc4-b4c3-6d4517b4b5a4
identifier: oo:GB-COH-04487136
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ENVIROLAB LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-04487136`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/2b521a9f-e4e1-5fc4-b4c3-6d4517b4b5a4  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2b521a9f-e4e1-5fc4-b4c3-6d4517b4b5a4  

## Ownership & control

### Owners / controllers

- **RSK ENVIRONMENT LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/c2e05021-6125-5f5a-b2bb-06ffc00253fa

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

A **16-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:** `04487136`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2002-07-16
- **Registered office:** Spring Lodge, 172 Chester Road, Helsby, Cheshire, WA6 0AR
- **SIC:** 71200

### Officers

- EVANS, Sally — secretary · appointed 2019-07-09
- BESCOBY, Danielle — director · British · appointed 2023-12-01
- HERLIHY, Francis — director · British · appointed 2025-04-01
- KNIGHT, Michael — director · British · appointed 2023-12-01
- KNIGHTON, Claire Ashley — director · British · appointed 2002-12-02
- MACKERETH, Stephen James — director · British · appointed 2011-09-01
- MAESTRI, Andrea — director · British · appointed 2025-03-01
- RUMMENS, Sarah Ann — director · British · appointed 2015-07-27
- RYDER, Alasdair Alan, Dr — director · British · appointed 2002-07-16
- STRUDWICK, Ian Harry — director · British · appointed 2002-09-09
- TAYLOR, Erika — director · British · appointed 2018-03-09
- WITHERINGTON, Peter John — director · British · appointed 2003-07-21
- MILLS, Steven — secretary · British · appointed 2008-08-04 · resigned 2019-07-09
- RYDER, Alasdair Alan, Dr — secretary · British · appointed 2003-01-14 · resigned 2008-08-04
- RYDER, Sheila Caroline, Dr. — secretary · British · appointed 2002-09-09 · resigned 2003-01-14
- B H COMPANY SECRETARIES LTD — corporate secretary · appointed 2002-07-16 · resigned 2002-09-09
- GUSTAFSON, John — director · British · appointed 2008-05-01 · resigned 2026-05-31
- JONES, John Roger — director · British · appointed 2013-10-30 · resigned 2015-12-08
- JONES BRIDGES, Sarah — director · British · appointed 2011-08-02 · resigned 2015-07-27
- LAWRENCE, John Michael — director · British · appointed 2012-01-01 · resigned 2018-07-30

### Beneficial owners (Persons with Significant Control)

- [Rsk Environment Limited](https://whiteintel.dev/entity/c2e05021-6125-5f5a-b2bb-06ffc00253fa) — 75–100% shares · corporate PSC · Scotland — since 2016-06-01

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/04487136
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/04487136

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ENVIROLAB LIMITED**. Human view: https://whiteintel.dev/entity/2b521a9f-e4e1-5fc4-b4c3-6d4517b4b5a4 · Structured JSON: https://whiteintel.dev/api/public/dossier/2b521a9f-e4e1-5fc4-b4c3-6d4517b4b5a4._

_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"._