---
title: "COSTAIN UPSTREAM LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/5d2369b5-bbcc-4f39-b8d7-5ef2c8313c3a
json: https://whiteintel.dev/api/public/dossier/5d2369b5-bbcc-4f39-b8d7-5ef2c8313c3a
identifier: gb-coh:SC336371
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# COSTAIN UPSTREAM LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `gb-coh:SC336371`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/5d2369b5-bbcc-4f39-b8d7-5ef2c8313c3a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/5d2369b5-bbcc-4f39-b8d7-5ef2c8313c3a  

## 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:** `SC336371`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2008-01-18
- **Registered office:** Neo House, Riverside, Aberdeen, Scotland, AB11 7LH, Scotland
- **SIC:** 71121

### Officers

- GEOGHEGAN, Nicole Ann — secretary · appointed 2022-07-05
- MORRIS, Paul Anthony — director · British · appointed 2026-05-21
- MUMFORD, Peter Leslie — director · British · appointed 2026-05-21
- TAYLOR, Susannah Natalie — director · British · appointed 2026-05-21
- WILLCOCK, Jonathan Kevin — director · British · appointed 2026-05-21
- WILLIS, Helen Margaret — director · British · appointed 2026-05-21
- FRANKS, Clive Leonard — secretary · British · appointed 2011-04-07 · resigned 2011-05-31
- HARRIS, Sharon — secretary · appointed 2020-09-01 · resigned 2022-07-05
- STARKEY, Paul Michael — secretary · appointed 2012-09-03 · resigned 2013-05-20
- WOOD, Tracey Alison — secretary · British · appointed 2011-06-01 · resigned 2020-09-01
- [MACLAY MURRAY & SPENS LLP](https://whiteintel.dev/entity/de8f35d1-19d8-5c49-9de6-8c5f334ec5a8) — corporate nominee secretary · appointed 2008-01-18 · resigned 2011-01-19
- [PAULL & WILLIAMSONS LLP](https://whiteintel.dev/entity/0ef92147-eaad-56b1-bc1f-7c7dbe23bac9) — corporate secretary · appointed 2011-01-19 · resigned 2011-04-07
- ATKINSON, Mark Roger — director · British · appointed 2017-05-02 · resigned 2020-12-18
- CLOSE, Sean Austin — director · British · appointed 2008-10-01 · resigned 2014-04-03
- COOK, Guy Stephen Molyneux — director · British · appointed 2009-03-31 · resigned 2014-04-03
- DORNAN, Alistair Weir — director · British · appointed 2008-10-01 · resigned 2011-04-07
- GARTON, Jonathan Hugh Leslie — director · British · appointed 2014-04-07 · resigned 2016-11-30
- HARRIS, Matthew James — director · British · appointed 2012-12-20 · resigned 2018-06-30
- HUNTER, Martin David — director · British · appointed 2020-12-18 · resigned 2022-03-18
- KIRKBRIDE, Peter — director · British · appointed 2014-04-07 · resigned 2016-12-31

### 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

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/SC336371

## 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 UPSTREAM LIMITED** — https://whiteintel.dev/entity/5d2369b5-bbcc-4f39-b8d7-5ef2c8313c3a · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **COSTAIN UPSTREAM LIMITED**. Human view: https://whiteintel.dev/entity/5d2369b5-bbcc-4f39-b8d7-5ef2c8313c3a · Structured JSON: https://whiteintel.dev/api/public/dossier/5d2369b5-bbcc-4f39-b8d7-5ef2c8313c3a._

_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"._