---
title: "SMART ENGINEERING DESIGN LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a20daf69-e3bf-5d93-84a5-0edf9a5e8367
json: https://whiteintel.dev/api/public/dossier/a20daf69-e3bf-5d93-84a5-0edf9a5e8367
identifier: oo:GB-COH-14028603
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SMART ENGINEERING DESIGN LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-14028603`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a20daf69-e3bf-5d93-84a5-0edf9a5e8367  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a20daf69-e3bf-5d93-84a5-0edf9a5e8367  

## Ownership & control

### Owners / controllers

- **Mr Mariusz Stanislaw Tkacz** (beneficial owner) — 100% — https://whiteintel.dev/entity/7f3b81c2-7b34-5c4d-b6fb-8fb802732a08
- **Mr Mariusz Stanislaw Tkacz** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/4ca62922-60e2-496a-9716-e41d7f57d4df

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

1. **Mr Mariusz Stanislaw Tkacz** — beneficial owner 100% → *SMART ENGINEERING DESIGN LTD*
1. **Mr Mariusz Stanislaw Tkacz** — beneficial owner 87.5% → *SMART ENGINEERING DESIGN LTD*

## Company profile (live · UK Companies House)

- **Company number:** `14028603`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2022-04-06
- **Registered office:** 6 Elliot Close, Oadby, Leicester, LE2 4UN, England
- **SIC:** 70229, 71112, 71122, 71129

### Officers

- TKACZ, Mariusz Stanislaw — director · English · appointed 2022-04-06

### Beneficial owners (Persons with Significant Control)

- Mr Mariusz Stanislaw Tkacz — 75–100% shares · individual PSC · England — since 2022-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/14028603
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/14028603

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SMART ENGINEERING DESIGN LTD**. Human view: https://whiteintel.dev/entity/a20daf69-e3bf-5d93-84a5-0edf9a5e8367 · Structured JSON: https://whiteintel.dev/api/public/dossier/a20daf69-e3bf-5d93-84a5-0edf9a5e8367._

_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"._