---
title: "HYDRASYST-GMK LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/98f2d2e2-e2c4-5721-ad86-86bc4149a11e
json: https://whiteintel.dev/api/public/dossier/98f2d2e2-e2c4-5721-ad86-86bc4149a11e
identifier: oo:GB-COH-NI708726
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# HYDRASYST-GMK LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-NI708726`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/98f2d2e2-e2c4-5721-ad86-86bc4149a11e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/98f2d2e2-e2c4-5721-ad86-86bc4149a11e  

## Ownership & control

### Owners / controllers

- **Hydrasyst Pte Limited** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/33773a2f-c3d8-47b0-aff0-d791aeade3f2
- **GALLAGHER & MC KINNEY LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/0cb658b9-2e8a-503d-8031-1ab07e73510d

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

1. **Hydrasyst Pte Limited** — beneficial owner 37.5% → *HYDRASYST-GMK LTD*
1. **GALLAGHER & MC KINNEY LIMITED** — beneficial owner 37.5% → *HYDRASYST-GMK LTD*
2. **Mr Seamus Mellon** — beneficial owner 100% → *GALLAGHER & MC KINNEY LIMITED*
2. **Mr Kyle Wolff** — beneficial owner 87.5% → *Hydrasyst Pte Limited*

## Company profile (live · UK Companies House)

- **Company number:** `NI708726`
- **Status:** dissolved
- **Type:** ltd
- **Incorporated:** 2024-01-19
- **Registered office:** Unit 4 Skeoge Industrial Estate, Beraghmore Road, Derry, BT48 8SE, United Kingdom
- **SIC:** 71121

### Officers

- MELLON, Seamus — director · Irish · appointed 2024-01-19
- WOLFF, Kyle — director · Australian · appointed 2024-01-19

### Beneficial owners (Persons with Significant Control)

- [Hydrasyst Pte Limited](https://whiteintel.dev/entity/33773a2f-c3d8-47b0-aff0-d791aeade3f2) — 25–50% shares · corporate PSC · United Kingdom — since 2024-01-19
- [Gallagher & Mc Kinney Limited](https://whiteintel.dev/entity/0cb658b9-2e8a-503d-8031-1ab07e73510d) — 25–50% shares · corporate PSC · United Kingdom — since 2024-01-19

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/NI708726

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HYDRASYST-GMK LTD**. Human view: https://whiteintel.dev/entity/98f2d2e2-e2c4-5721-ad86-86bc4149a11e · Structured JSON: https://whiteintel.dev/api/public/dossier/98f2d2e2-e2c4-5721-ad86-86bc4149a11e._

_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"._