---
title: "AMGWATERPROOFING LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/1f44fbba-ee3e-5189-abcb-0bda26ed32ae
json: https://whiteintel.dev/api/public/dossier/1f44fbba-ee3e-5189-abcb-0bda26ed32ae
identifier: oo:GB-COH-09941167
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# AMGWATERPROOFING LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-09941167`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/1f44fbba-ee3e-5189-abcb-0bda26ed32ae  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/1f44fbba-ee3e-5189-abcb-0bda26ed32ae  

## Ownership & control

### Owners / controllers

- **Mrs Sarah Millsom** (beneficial owner) — 50% — https://whiteintel.dev/entity/e64c709a-08db-5d50-95cf-814b44e11c01
- **Mr Gary Dean Millsom** (beneficial owner) — 75% — https://whiteintel.dev/entity/5d266a08-f67e-5a0e-834d-423876f511dd
- **Mr Gary Dean Millsom** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/6010af11-7847-45b5-9d20-05f37b04c671
- **Ms Louise Emily Stone** (beneficial owner) — https://whiteintel.dev/entity/1bb70f8b-3f78-5d4a-bfdd-a617b7c516ab
- **Mr Gary Dean Milsom** (beneficial owner) — 50% — https://whiteintel.dev/entity/bb5ac152-4a74-5bce-90ef-d985304d8a02
- **Mr Gary Dean Milsom** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/b7bbc1d5-7a19-49e6-b858-72317ff8345a
- **Mrs Sarah Millsom** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/f8e2599a-259d-481a-8a22-53ef9df887f3
- **Ms Louise Emily Stone** (beneficial owner) — https://whiteintel.dev/entity/324c2aca-feaa-44cc-a674-9d53eeb74eff

### 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:** `09941167`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2016-01-07
- **Registered office:** Unit 14, Hoddesdon Enterprise Centre, Pindar Road, Hoddesdon, Hertfordshire, EN11 0FJ, United Kingdom
- **SIC:** 43910

### Officers

- MILLSOM, Gary Dean — director · British · appointed 2018-08-30
- MILSOM, Gary Dean — director · British · appointed 2017-03-07 · resigned 2017-11-21
- STONE, Louise Emily — director · British · appointed 2017-11-20 · resigned 2018-09-03
- STONE, Louise Emily — director · British · appointed 2016-01-07 · resigned 2017-03-08

### Beneficial owners (Persons with Significant Control)

- Mr Gary Dean Millsom — 50–75% shares · individual PSC · United Kingdom — since 2018-09-03
- Mrs Sarah Millsom — 25–50% shares · individual PSC · United Kingdom — ceased 2024-06-30
- Ms Louise Emily Stone — significant influence or control · individual PSC · England — ceased 2018-09-03
- Mr Gary Dean Milsom — 25–50% shares · individual PSC · England — ceased 2017-11-21

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/09941167
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/09941167

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **AMGWATERPROOFING LIMITED**. Human view: https://whiteintel.dev/entity/1f44fbba-ee3e-5189-abcb-0bda26ed32ae · Structured JSON: https://whiteintel.dev/api/public/dossier/1f44fbba-ee3e-5189-abcb-0bda26ed32ae._

_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"._