---
title: "H2OCHEM LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/c4bddac2-e2d3-5db2-a36c-6799b7c12531
json: https://whiteintel.dev/api/public/dossier/c4bddac2-e2d3-5db2-a36c-6799b7c12531
identifier: oo:GB-COH-15680493
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# H2OCHEM LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-15680493`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/c4bddac2-e2d3-5db2-a36c-6799b7c12531  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/c4bddac2-e2d3-5db2-a36c-6799b7c12531  

## Ownership & control

### Owners / controllers

- **Mr James Peter Mason** (beneficial owner) — 50% — https://whiteintel.dev/entity/525debb4-89a3-5323-b8da-e5767e97088c
- **Mrs Xindy Mason** (beneficial owner) — 50% — https://whiteintel.dev/entity/bce18df4-7010-5430-a8d1-f9ce551860f3
- **Mr James Peter Mason** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/e29acc7f-2393-484a-9dad-2fe4c8cd52b1
- **Mrs Xindy Mason** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/f6916bfb-25c4-46c7-ab64-b0df4aa5bbbf

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

1. **Mr James Peter Mason** — beneficial owner 50% → *H2OCHEM LTD*
1. **Mrs Xindy Mason** — beneficial owner 50% → *H2OCHEM LTD*
1. **Mr James Peter Mason** — beneficial owner 37.5% → *H2OCHEM LTD*
1. **Mrs Xindy Mason** — beneficial owner 37.5% → *H2OCHEM LTD*

## Company profile (live · UK Companies House)

- **Company number:** `15680493`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2024-04-25
- **Registered office:** 79 Sparrow Drive, Stevenage, SG2 9FB, England
- **SIC:** 20130, 20200, 20590, 46750

### Officers

- MASON, James Peter — director · British · appointed 2024-04-25
- MASON, Xindy — director · British · appointed 2024-04-25

### Beneficial owners (Persons with Significant Control)

- Mr James Peter Mason — 25–50% shares · individual PSC · England — since 2024-04-25
- Mrs Xindy Mason — 25–50% shares · individual PSC · England — since 2024-04-25

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/15680493
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/15680493

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **H2OCHEM LTD**. Human view: https://whiteintel.dev/entity/c4bddac2-e2d3-5db2-a36c-6799b7c12531 · Structured JSON: https://whiteintel.dev/api/public/dossier/c4bddac2-e2d3-5db2-a36c-6799b7c12531._

_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"._