---
title: "CLEANSORB LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/92760222-33de-5f48-977d-e8d8eeb5c2b4
json: https://whiteintel.dev/api/public/dossier/92760222-33de-5f48-977d-e8d8eeb5c2b4
identifier: oo:GB-COH-02974002
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CLEANSORB LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-02974002`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/92760222-33de-5f48-977d-e8d8eeb5c2b4  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/92760222-33de-5f48-977d-e8d8eeb5c2b4  

## Cross-source identity

The same real-world entity, resolved across sources:

- **CLEANSORB LIMITED** — GLEIF · `lei:549300CR3RPNPX8CN688` — https://whiteintel.dev/entity/15427397-ed7e-5ca3-8733-945c4fffe0c8
- **CLEANSORB LIMITED** — GLEIF · `lei:549300JA1PB7MHH6DB97` — https://whiteintel.dev/entity/fbb922e7-e145-57e1-91df-df96b8b04b67

## Ownership & control

### Owners / controllers

- **NEWPARK INTERNATIONAL UK LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/4bbe6148-f23a-5998-9f57-cf437d153d26
- **Mr Ian Donald Mckay** (beneficial owner) — 50% — https://whiteintel.dev/entity/93350021-7b59-5ca3-b583-83bb97c96e66
- **Dr Ralph Edmund Harris** (beneficial owner) — 50% — https://whiteintel.dev/entity/38e015e1-a572-50b9-93ae-c13477df649c
- **Mr Ian Donald Mckay** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/30b7654d-ee1e-41b5-85fe-e1bd7d958650
- **Dr Ralph Edmund Harris** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/82bcdfdf-2e9c-4b77-baf1-e191ba83466f
- **NEWPARK INTERNATIONAL UK LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/4bbe6148-f23a-5998-9f57-cf437d153d26

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

A **8-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:** `02974002`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1994-10-06
- **Registered office:** C/O Csc Cls (Uk) Limited 5 Churchill Place, 10th Floor, London, E14 5HU, United Kingdom
- **SIC:** 09100, 72110

### Officers

- [CSC CLS (UK) LIMITED](https://whiteintel.dev/entity/1b7bd20c-e04f-5f86-9216-b10d7a61a080) — corporate secretary · appointed 2025-02-27
- DANIAL, Ramy Azmy — director · American · appointed 2025-12-31
- PATERSON, David Andrew — director · British · appointed 2019-10-09
- SMITH, David Joshua — director · American · appointed 2024-09-13
- MCKAY, Ian Donald, Dr — secretary · British · appointed 1994-10-06 · resigned 2019-10-09
- COMBINED SECRETARIAL SERVICES LIMITED — corporate nominee secretary · appointed 1994-10-06 · resigned 1994-10-06
- [OHS SECRETARIES LIMITED](https://whiteintel.dev/entity/7998ea72-7c26-5bf9-8319-cc4827a7a760) — corporate secretary · appointed 2019-10-09 · resigned 2025-02-27
- EARLE, Edward Chipman — director · American · appointed 2019-10-09 · resigned 2023-04-30
- FRUGE, Mary Celeste — director · American · appointed 2023-05-22 · resigned 2024-09-13
- HARRIS, Ralph Edmund, Dr — director · British · appointed 1994-10-06 · resigned 2019-10-09
- MCKAY, Ian Donald — director · British · appointed 2019-10-10 · resigned 2021-11-19
- MCKAY, Ian Donald, Dr — director · British · appointed 1994-10-06 · resigned 2019-10-09
- PIONTEK, Gregg Steven — director · American · appointed 2019-10-09 · resigned 2024-09-13
- STEARNS, Michael Robert — director · American · appointed 2024-09-13 · resigned 2025-12-31
- COMBINED NOMINEES LIMITED — corporate nominee director · appointed 1994-10-06 · resigned 1994-10-06
- COMBINED SECRETARIAL SERVICES LIMITED — corporate nominee director · appointed 1994-10-06 · resigned 1994-10-06

### Beneficial owners (Persons with Significant Control)

- [Newpark International Uk Limited](https://whiteintel.dev/entity/4bbe6148-f23a-5998-9f57-cf437d153d26) — 75–100% shares · corporate PSC · England — since 2019-10-09
- Mr Ian Donald Mckay — 25–50% shares · individual PSC — ceased 2019-10-09
- Dr Ralph Edmund Harris — 25–50% shares · individual PSC — ceased 2019-10-09

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/02974002
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/02974002

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CLEANSORB LIMITED**. Human view: https://whiteintel.dev/entity/92760222-33de-5f48-977d-e8d8eeb5c2b4 · Structured JSON: https://whiteintel.dev/api/public/dossier/92760222-33de-5f48-977d-e8d8eeb5c2b4._

_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"._