---
title: "PROMANEX (CONSTRUCTION & MAINTENANCE SERVICES) LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4e2ff874-3f1f-566c-9f23-50e2e1997e76
json: https://whiteintel.dev/api/public/dossier/4e2ff874-3f1f-566c-9f23-50e2e1997e76
identifier: oo:GB-COH-03548978
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# PROMANEX (CONSTRUCTION & MAINTENANCE SERVICES) LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-03548978`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4e2ff874-3f1f-566c-9f23-50e2e1997e76  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4e2ff874-3f1f-566c-9f23-50e2e1997e76  

## Ownership & control

### Owners / controllers

- **Costain Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/05da3421-bb8a-43c8-83a8-647cda117c15

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

A **2-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:** `03548978`
- **Status:** dissolved
- **Type:** ltd
- **Incorporated:** 1998-04-20
- **Registered office:** Seventh Floor, 70 St Mary Axe, London, EC3A 8BE, United Kingdom
- **SIC:** 99999

### Officers

- GEOGHEGAN, Nicole Ann — secretary · appointed 2024-11-29
- TAYLOR, Susannah Natalie — director · British · appointed 2024-07-08
- WILLIS, Helen Margaret — director · British · appointed 2024-03-31
- HEATH, Anthony John William — secretary · British · appointed 1998-11-13 · resigned 1999-12-22
- HOWARD, Benjamin William — secretary · British · appointed 2005-01-25 · resigned 2011-08-20
- MCDOUGALL, James Anthony — secretary · British · appointed 1998-04-20 · resigned 1998-11-13
- MCGUIRE, Paul — secretary · British · appointed 1999-12-22 · resigned 2005-01-25
- ROSS, Frank Ian Fraser — secretary · British · appointed 1999-12-22 · resigned 1999-12-22
- SINGLETERRY, Maria — secretary · appointed 2020-09-01 · resigned 2024-11-29
- WOOD, Tracey Alison — secretary · appointed 2011-08-20 · resigned 2020-09-01
- BOWEN, Tim Garnet — director · British · appointed 2011-08-20 · resigned 2012-12-21
- CLEMENTS, Warren John — director · British · appointed 2022-03-18 · resigned 2024-03-31
- DIXON, Mark Robert — director · British · appointed 2003-09-22 · resigned 2012-12-21
- DIXON, Mark Robert — director · British · appointed 1999-12-22 · resigned 1999-12-22
- FLINN, Robert James — director · British · appointed 1998-04-30 · resigned 2012-12-21
- HUNTER, Martin David — director · British · appointed 2012-12-21 · resigned 2022-03-18
- JAMES, Darren Glyn — director · British · appointed 2011-08-20 · resigned 2020-03-31
- MATTHEWS, Peter Frederic — director · British · appointed 1998-04-20 · resigned 1999-12-22
- OSWALD, John Charles — director · British · appointed 1999-05-28 · resigned 1999-12-22
- ROSS, Frank Ian Fraser — director · British · appointed 1999-12-22 · resigned 1999-12-22

### Beneficial owners (Persons with Significant Control)

- [Costain Limited](https://whiteintel.dev/entity/05da3421-bb8a-43c8-83a8-647cda117c15) — 75–100% shares · corporate PSC · United Kingdom — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/03548978

## 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 **PROMANEX (CONSTRUCTION & MAINTENANCE SERVICES) LIMITED** — https://whiteintel.dev/entity/4e2ff874-3f1f-566c-9f23-50e2e1997e76 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **PROMANEX (CONSTRUCTION & MAINTENANCE SERVICES) LIMITED**. Human view: https://whiteintel.dev/entity/4e2ff874-3f1f-566c-9f23-50e2e1997e76 · Structured JSON: https://whiteintel.dev/api/public/dossier/4e2ff874-3f1f-566c-9f23-50e2e1997e76._

_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"._