---
title: "COSTAIN INTEGRATED SERVICES LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/db8a1d51-3f75-4cc6-be75-2b82c799798a
json: https://whiteintel.dev/api/public/dossier/db8a1d51-3f75-4cc6-be75-2b82c799798a
identifier: gb-coh:01890057
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# COSTAIN INTEGRATED SERVICES LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `gb-coh:01890057`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/db8a1d51-3f75-4cc6-be75-2b82c799798a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/db8a1d51-3f75-4cc6-be75-2b82c799798a  

## Ownership & control

### Owners / controllers

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

### Holdings / subsidiaries

- **Ab Rhead & Associates Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/88f0bf4c-eb02-4a34-87d5-4593f3bbb070
- **CALVERT & RUSSELL LTD.** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/a8028e8d-be0e-5134-b198-59ef46f74c51
- **BRUNSWICK INFRASTRUCTURE SERVICES LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/f04b640a-f546-5c6d-9ecc-a870c0077592
- **CONSTRUCTION STUDY CENTRE LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/9a0631f8-95de-57a4-8c27-1f0c772cad83

### 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:** `01890057`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1985-02-26
- **Registered office:** Seventh Floor, 70 St Mary Axe, London, EC3A 8BE, United Kingdom
- **SIC:** 71129, 74901, 74902

### Officers

- GEOGHEGAN, Nicole Ann — secretary · appointed 2022-07-05
- MORRIS, Paul Anthony — director · British · appointed 2026-06-12
- MUMFORD, Peter Leslie — director · British · appointed 2026-06-12
- TAYLOR, Susannah Natalie — director · British · appointed 2026-06-12
- WILLCOCK, Jonathan Kevin — director · British · appointed 2026-06-12
- WILLIS, Helen Margaret — director · British · appointed 2024-03-31
- HARRIS, Sharon — secretary · appointed 2020-09-01 · resigned 2022-07-05
- MOORE, Barbara Jean — secretary · appointed 2014-09-01 · resigned 2014-10-31
- MOORE, Barbara Jean — secretary · Australian · appointed 2007-08-28 · resigned 2012-02-02
- RHEAD, Hilary Susan Stuart — secretary · British · resigned 2007-08-28
- SADLER, Steve — secretary · appointed 2012-02-03 · resigned 2014-09-01
- SADLER, Steve — secretary · appointed 2012-02-02 · resigned 2012-02-02
- WOOD, Tracey Alison — secretary · appointed 2015-08-14 · resigned 2020-09-01
- BARRON, Christopher — director · British · appointed 2009-12-14 · resigned 2014-07-31
- BOWEN, Timothy Garnet — director · British · appointed 2015-08-14 · resigned 2017-08-31
- CLEMENTS, Warren John — director · British · appointed 2022-03-18 · resigned 2024-03-31
- CURRY, Nigel Alistair — director · British · appointed 2007-09-07 · resigned 2018-12-31
- FERGUSON, Andrew Charles — director · British · appointed 2014-11-07 · resigned 2018-03-30
- FERGUSON, Andrew Charles — director · British · appointed 1993-11-08 · resigned 2014-10-31
- FORBES, Norman — director · British · resigned 1993-10-19

### 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 2017-01-23

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/01890057

## 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 **COSTAIN INTEGRATED SERVICES LIMITED** — https://whiteintel.dev/entity/db8a1d51-3f75-4cc6-be75-2b82c799798a · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **COSTAIN INTEGRATED SERVICES LIMITED**. Human view: https://whiteintel.dev/entity/db8a1d51-3f75-4cc6-be75-2b82c799798a · Structured JSON: https://whiteintel.dev/api/public/dossier/db8a1d51-3f75-4cc6-be75-2b82c799798a._

_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"._