---
title: "MEDARTIS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/416280d5-6901-544f-b786-eb045f3f4fc7
json: https://whiteintel.dev/api/public/dossier/416280d5-6901-544f-b786-eb045f3f4fc7
identifier: oo:GB-COH-04604437
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MEDARTIS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-04604437`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/416280d5-6901-544f-b786-eb045f3f4fc7  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/416280d5-6901-544f-b786-eb045f3f4fc7  

## Ownership & control

### Owners / controllers

- **Mr Thomas Straumann** (beneficial owner) — 50% — https://whiteintel.dev/entity/57af6e52-941a-5db0-bdd6-1850aba64628
- **Mr Thomas Straumann** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/ad85e008-5761-4e22-91b6-86189078652e

### 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:** `04604437`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2002-11-29
- **Registered office:** 3 Pinnacle Way, Pride Park, Derby, Derbyshire, DE24 8ZS, England
- **SIC:** 46460

### Officers

- LOCH, Mareike Frieda Gretchen — secretary · appointed 2021-03-01
- HYNDMAN, Niall Alexander — director · British · appointed 2022-10-17
- LOCH, Mareike Frieda Gretchen — director · German · appointed 2021-03-01
- SCHUPP, Matthias — director · Dutch · appointed 2024-11-01
- LEUTWYLER, Dominique — secretary · appointed 2015-04-01 · resigned 2021-03-01
- WOLSTENCROFT, Roy — secretary · British · appointed 2002-12-01 · resigned 2015-01-01
- YORK PLACE COMPANY SECRETARIES LIMITED — corporate nominee secretary · appointed 2002-11-29 · resigned 2002-12-01
- BRÖNNIMANN, Christoph Roland — director · Swiss · appointed 2021-03-01 · resigned 2024-11-01
- MIESCH, Willi — director · Swiss · appointed 2002-12-01 · resigned 2021-03-01
- WILCHER, Charles David Andrew — director · United Kingdom · appointed 2014-06-01 · resigned 2022-09-30
- YORK PLACE COMPANY NOMINEES LIMITED — corporate nominee director · appointed 2002-11-29 · resigned 2002-12-01

### Beneficial owners (Persons with Significant Control)

- Mr Thomas Straumann — 25–50% shares · individual PSC · England — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/04604437
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/04604437

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MEDARTIS LIMITED**. Human view: https://whiteintel.dev/entity/416280d5-6901-544f-b786-eb045f3f4fc7 · Structured JSON: https://whiteintel.dev/api/public/dossier/416280d5-6901-544f-b786-eb045f3f4fc7._

_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"._