---
title: "HORIZON GEOSCIENCES LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/749a73ee-bb46-5330-b993-045e47c5e92e
json: https://whiteintel.dev/api/public/dossier/749a73ee-bb46-5330-b993-045e47c5e92e
identifier: oo:GB-COH-08505084
risk: Low
source: WhiteIntel corporate-ownership graph
---

# HORIZON GEOSCIENCES LIMITED

**Type:** Company  
**Identifier:** `oo:GB-COH-08505084`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/749a73ee-bb46-5330-b993-045e47c5e92e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/749a73ee-bb46-5330-b993-045e47c5e92e  

## Ownership & control

### Owners / controllers

- **Koninklijke Boskalis Westminster N.V.** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/51a7f3bd-ae41-4c54-858e-6506a09aeb53
- **Hal Trust** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/e51c3397-614c-4417-9f50-2f7742237806
- **Horizon Survey Company (Fzc)** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/bf1c0d74-c658-4df5-af1c-b4f9c851c795

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

A **3-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:** `08505084`
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 2013-04-25
- **Registered office:** ENDEAVOUR HOUSE, ADMIRALTY ROAD, GREAT YARMOUTH, NORFOLK, NR30 3NG
- **SIC:** 74909 - Other professional, scientific and technical activities n.e.c.

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/08505084
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/08505084

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HORIZON GEOSCIENCES LIMITED**. Human view: https://whiteintel.dev/entity/749a73ee-bb46-5330-b993-045e47c5e92e · Structured JSON: https://whiteintel.dev/api/public/dossier/749a73ee-bb46-5330-b993-045e47c5e92e._

_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"._