---
title: "SYNERGEN HOLDINGS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/8a85610a-ee79-5feb-b645-76fe440d9309
json: https://whiteintel.dev/api/public/dossier/8a85610a-ee79-5feb-b645-76fe440d9309
identifier: oo:GB-COH-15009862
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SYNERGEN HOLDINGS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-15009862`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/8a85610a-ee79-5feb-b645-76fe440d9309  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/8a85610a-ee79-5feb-b645-76fe440d9309  

## Ownership & control

### Owners / controllers

- **Mr Paul David Castle** (beneficial owner) — 50% — https://whiteintel.dev/entity/82258c3d-63af-527e-b75b-605a130b0ba0
- **Mr Thomas John Collings** (beneficial owner) — 50% — https://whiteintel.dev/entity/f245f28b-7981-5228-9b1d-1230907f4f1b
- **Mr Paul David Castle** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/03ca2700-50df-40fc-9f79-8e40390ab9a0
- **Mr Thomas John Collings** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/e0d2f165-e124-4abc-9c2a-49a54270e447
- **SEVERN TRENT HOLDINGS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/7906c557-e38b-581e-95bb-474808c8941e

### Holdings / subsidiaries

- **SYNERGEN UTILITIES LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/4d76686a-e54c-5af4-8069-7057bd234c91
- **SYNERGEN UTILITIES LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/4d76686a-e54c-5af4-8069-7057bd234c91

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

A **8-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:** `15009862`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2023-07-18
- **Registered office:** Severn Trent Centre, 2 St John's Street, Coventry, CV1 2LZ, United Kingdom
- **SIC:** 64209

### Officers

- RICHARDS, Naomi — secretary · appointed 2026-02-17
- DURHAM, Alan John — director · British · appointed 2025-08-01
- MCCARTHY, Charles Augustus Alexander — director · British · appointed 2026-03-31
- CASTLE, Paul David — director · British · appointed 2023-07-18 · resigned 2025-08-01
- COLLINGS, Thomas John — director · British · appointed 2023-07-18 · resigned 2025-08-01
- MIAH, Tracey Anne — director · British · appointed 2025-08-01 · resigned 2026-03-31

### Beneficial owners (Persons with Significant Control)

- [Severn Trent Holdings Limited](https://whiteintel.dev/entity/7906c557-e38b-581e-95bb-474808c8941e) — 75–100% shares · corporate PSC · United Kingdom — since 2025-08-01
- Mr Paul David Castle — 25–50% shares · individual PSC · United Kingdom — ceased 2025-08-01
- Mr Thomas John Collings — 25–50% shares · individual PSC · United Kingdom — ceased 2025-08-01

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/15009862
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/15009862

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SYNERGEN HOLDINGS LIMITED**. Human view: https://whiteintel.dev/entity/8a85610a-ee79-5feb-b645-76fe440d9309 · Structured JSON: https://whiteintel.dev/api/public/dossier/8a85610a-ee79-5feb-b645-76fe440d9309._

_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"._