---
title: "HOUSEMAN LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/0390e7cc-5ced-533d-9dcd-0e3053c6cbf1
json: https://whiteintel.dev/api/public/dossier/0390e7cc-5ced-533d-9dcd-0e3053c6cbf1
identifier: oo:GB-COH-00166010
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# HOUSEMAN LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-00166010`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/0390e7cc-5ced-533d-9dcd-0e3053c6cbf1  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/0390e7cc-5ced-533d-9dcd-0e3053c6cbf1  

## Ownership & control

### Owners / controllers

- **CHAMPIONX EGYPT HOLDINGS LTD.** (beneficial owner) — 100% — https://whiteintel.dev/entity/c2db6abc-a36c-541f-81d4-598746d7a093
- **NALCO LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/e3af81cb-3632-539e-81ed-7cb135750ba8
- **Enviroflo Engineering Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/06a9ca8a-6c37-4b88-a600-d76ecb5ca11e
- **NALCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/e3af81cb-3632-539e-81ed-7cb135750ba8
- **CHAMPIONX EGYPT HOLDINGS LTD.** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/c2db6abc-a36c-541f-81d4-598746d7a093
- **CHAMPION TECHNOLOGIES LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/52a893e0-38de-59b0-8dc7-205a315af638
- **Schlumberger Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/82576831-8753-48fe-858c-92ada69a921a

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

A **34-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:** `00166010`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1920-04-01
- **Registered office:** C/O Champion Technologies Limited Block 102, Cadland Road, Hardley, Southampton, Hampshire, SO45 3NP, United Kingdom
- **SIC:** 74990

### Officers

- FERGUSON, John — director · British · appointed 2020-04-14
- MARSH, Martin Graham — director · British · appointed 2025-10-17
- DEDMAN, David Francis — secretary · British · appointed 1995-06-30 · resigned 2003-03-10
- JOYCE, Wendy Annette — secretary · British · appointed 2006-08-02 · resigned 2020-04-14
- LEE, Carl Richmond — secretary · British · appointed 2006-06-30 · resigned 2006-08-02
- LEE, Carl Richmond — secretary · British · appointed 2003-03-10 · resigned 2004-04-30
- RISINO, Anthony John, Dr — secretary · British · appointed 2004-04-30 · resigned 2006-06-30
- UPHILL, Terence Edwin — secretary · British · resigned 1995-06-30
- BELL, Bradley — director · American · appointed 2003-12-31 · resigned 2009-06-01
- BILLETTE DE VILLEMEUR, Eric — director · French · appointed 2019-06-28 · resigned 2020-04-14
- BLACKBURN, Kenneth — director · British · resigned 2003-03-10
- BLAIR, David John — director · Canadian · appointed 2003-03-10 · resigned 2003-12-31
- COPE, John Arthur — director · British · appointed 1992-11-10 · resigned 1995-06-01
- CULLEN, Leslie Gray — director · British · appointed 1995-02-06 · resigned 1995-06-01
- DOBSON, John Teasdale — director · British · resigned 2003-03-10
- EVERY, Gareth — director · British · appointed 2020-04-14 · resigned 2022-04-01
- FIELD, Sally Ann — director · British · appointed 1995-02-06 · resigned 1995-06-01
- GAMBLE, John Denman — director · United Kingdom · appointed 2014-03-31 · resigned 2019-06-28
- HEY, Paul — director · British · appointed 2019-06-28 · resigned 2020-04-14
- JOHNSON, David — director · British · appointed 2009-02-09 · resigned 2013-07-15

### Beneficial owners (Persons with Significant Control)

- [Schlumberger Limited](https://whiteintel.dev/entity/46fcfeaf-90e5-4271-aacf-b72c746ef06c) — 75–100% shares · corporate PSC · United States — since 2025-07-16
- [Champion Technologies Limited](https://whiteintel.dev/entity/52a893e0-38de-59b0-8dc7-205a315af638) — 75–100% shares · corporate PSC · Scotland — ceased 2025-07-16
- [Championx Egypt Holdings Ltd.](https://whiteintel.dev/entity/c2db6abc-a36c-541f-81d4-598746d7a093) — 75–100% shares · corporate PSC · United Kingdom — ceased 2025-06-04
- [Nalco Limited](https://whiteintel.dev/entity/e3af81cb-3632-539e-81ed-7cb135750ba8) — 75–100% shares · corporate PSC · United Kingdom — ceased 2019-12-09
- [Enviroflo Engineering Limited](https://whiteintel.dev/entity/06a9ca8a-6c37-4b88-a600-d76ecb5ca11e) — 75–100% shares · corporate PSC · United Kingdom — ceased 2019-12-09

## Exposure (derived from the ownership graph)

**1** owner upstream in this entity's ownership/control chain is flagged — a sanctions hit or a secrecy jurisdiction — an investigative lead by resolved identity, not a legal determination. The contributing parties and the hop-by-hop path unlock with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/00166010
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/00166010

## 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 **HOUSEMAN LIMITED** — https://whiteintel.dev/entity/0390e7cc-5ced-533d-9dcd-0e3053c6cbf1 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HOUSEMAN LIMITED**. Human view: https://whiteintel.dev/entity/0390e7cc-5ced-533d-9dcd-0e3053c6cbf1 · Structured JSON: https://whiteintel.dev/api/public/dossier/0390e7cc-5ced-533d-9dcd-0e3053c6cbf1._

_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"._