---
title: "GMM SUBSEA LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/038add53-e826-55e7-b085-1bdbcff8e727
json: https://whiteintel.dev/api/public/dossier/038add53-e826-55e7-b085-1bdbcff8e727
identifier: oo:GB-COH-SC760963
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# GMM SUBSEA LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-SC760963`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/038add53-e826-55e7-b085-1bdbcff8e727  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/038add53-e826-55e7-b085-1bdbcff8e727  

## Ownership & control

### Owners / controllers

- **Mr Graeme Manson Mackie** (beneficial owner) — 100% — https://whiteintel.dev/entity/e30c45c5-4baa-5b23-8572-3d021448d324
- **Mrs Jillian Margaretha Mackie** (beneficial owner) — 50% — https://whiteintel.dev/entity/93de871b-af1c-5749-9304-f3456789ae4a
- **Mr Graeme Manson Mackie** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/f4c3d45e-53fb-4ce7-9783-59d79b70d0f7
- **Mrs Jillian Margaretha Mackie** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/89542088-a349-4c2e-81f9-819d34c96054

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

A **4-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:** `SC760963`
- **Status:** dissolved
- **Type:** ltd
- **Incorporated:** 2023-03-03
- **Registered office:** 6 Hartree Square, Biggar, Lanarkshire, ML12 6JJ, Scotland
- **SIC:** 71129

### Officers

- MACKIE, Graeme Manson — director · British · appointed 2023-03-03
- MACKIE, Jillian Margaretha — director · British · appointed 2023-03-03

### Beneficial owners (Persons with Significant Control)

- Mr Graeme Manson Mackie — 75–100% shares · individual PSC · Scotland — since 2023-03-03
- Mrs Jillian Margaretha Mackie — 25–50% shares · individual PSC · Scotland — ceased 2023-03-16

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/SC760963

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **GMM SUBSEA LTD**. Human view: https://whiteintel.dev/entity/038add53-e826-55e7-b085-1bdbcff8e727 · Structured JSON: https://whiteintel.dev/api/public/dossier/038add53-e826-55e7-b085-1bdbcff8e727._

_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"._