---
title: "SEMAS SOLUTIONS LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a363e501-9233-5abc-ac63-bca17a67c123
json: https://whiteintel.dev/api/public/dossier/a363e501-9233-5abc-ac63-bca17a67c123
identifier: oo:GB-COH-15507822
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SEMAS SOLUTIONS LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-15507822`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a363e501-9233-5abc-ac63-bca17a67c123  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a363e501-9233-5abc-ac63-bca17a67c123  

## Ownership & control

### Owners / controllers

- **Mr. Serhiy Masteruk** (beneficial owner) — 100% — https://whiteintel.dev/entity/5fd8af20-b86f-5d2e-80cd-9204e6e1fab2
- **Mr. Serhiy Masteruk** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/bd2a61c8-6ac7-4ad9-a7b6-638be8be9375

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

A **2-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:** `15507822`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2024-02-20
- **Registered office:** 38 College Road, Southampton, SO19 9GE, England
- **SIC:** 41201, 41202, 43290

### Officers

- MASTERUK, Serhiy, Mr. — director · Ukrainian · appointed 2024-02-20

### Beneficial owners (Persons with Significant Control)

- Mr. Serhiy Masteruk — 75–100% shares · individual PSC · England — since 2024-02-20

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/15507822
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/15507822

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SEMAS SOLUTIONS LTD**. Human view: https://whiteintel.dev/entity/a363e501-9233-5abc-ac63-bca17a67c123 · Structured JSON: https://whiteintel.dev/api/public/dossier/a363e501-9233-5abc-ac63-bca17a67c123._

_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"._