---
title: "WATERCO SIX LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/dddbc33b-7538-5204-aeb7-cace66149468
json: https://whiteintel.dev/api/public/dossier/dddbc33b-7538-5204-aeb7-cace66149468
identifier: oo:GB-COH-02528693
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# WATERCO SIX LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-02528693`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/dddbc33b-7538-5204-aeb7-cace66149468  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/dddbc33b-7538-5204-aeb7-cace66149468  

## Ownership & control

### Owners / controllers

- **NORTHUMBRIAN HOLDINGS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/6b859b64-d8a1-5d96-b676-953dab98abfb
- **NORTHUMBRIAN HOLDINGS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/6b859b64-d8a1-5d96-b676-953dab98abfb

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

A **10-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:** `02528693`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1990-08-07
- **Registered office:** Northumbria House, Abbey Road, Pity Me, Durham, DH1 5FJ
- **SIC:** 74990

### Officers

- SOMERVILLE, Richard William Peter — director · British · appointed 2021-10-07
- ALSOP, Joanna Kate — secretary · British · appointed 2006-10-20 · resigned 2014-04-17
- PARKER, Martin — secretary · British · resigned 2006-10-20
- ALLAN, John — director · British · appointed 2001-11-16 · resigned 2012-06-30
- DAVIDSON, Ian David Mackenzie — director · British · resigned 2007-09-30
- FOSTER, John Anthony — director · British · appointed 1993-07-15 · resigned 1996-12-31
- GARLICK, John Robert — director · British · resigned 2004-05-01
- GOSLING, Peter Dennis, Dr — director · British · appointed 2004-05-01 · resigned 2013-03-31
- GREEN, Christopher Michael — director · British · appointed 1997-10-29 · resigned 2012-12-31
- GUERIN, John Michael — director · British · appointed 1993-03-29 · resigned 1993-06-09
- HARGREAVES, Jonathan Watson, Dr — director · British · resigned 1993-03-29
- OWEN, Susan Patricia — director · British · appointed 1997-07-17 · resigned 2012-12-31
- PARKER, Martin — director · British · appointed 2013-04-01 · resigned 2021-10-08
- TAYLOR, John Michael — director · British · appointed 1997-07-17 · resigned 1997-09-03

### Beneficial owners (Persons with Significant Control)

- [Northumbrian Services Limited](https://whiteintel.dev/entity/6b859b64-d8a1-5d96-b676-953dab98abfb) — 75–100% shares · corporate PSC · England — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/02528693
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/02528693

## 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 **WATERCO SIX LIMITED** — https://whiteintel.dev/entity/dddbc33b-7538-5204-aeb7-cace66149468 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **WATERCO SIX LIMITED**. Human view: https://whiteintel.dev/entity/dddbc33b-7538-5204-aeb7-cace66149468 · Structured JSON: https://whiteintel.dev/api/public/dossier/dddbc33b-7538-5204-aeb7-cace66149468._

_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"._