---
title: "MEDALLIANCE LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/032db06a-96fb-52dc-adb9-a8aa636b6029
json: https://whiteintel.dev/api/public/dossier/032db06a-96fb-52dc-adb9-a8aa636b6029
identifier: oo:GB-COH-SC539444
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MEDALLIANCE LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-SC539444`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/032db06a-96fb-52dc-adb9-a8aa636b6029  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/032db06a-96fb-52dc-adb9-a8aa636b6029  

## Ownership & control

### Owners / controllers

- **Ms Tam Christine Thompson-Steckel** (beneficial owner) — 100% — https://whiteintel.dev/entity/b2e8b4ae-2105-5618-b7ec-97eba6b26fb4
- **Ms Tam Christine Thompson-Steckel** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/c546b467-e5d7-41ba-9282-56d782e26095
- **M.A. Med Alliance Sa** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/3aa0079c-6d24-4f36-9670-d6bded5956fc

### 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:** `SC539444`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2016-07-04
- **Registered office:** C/O Dains Accountants, 44 Bank Street, Kilmarnock, Ayrshire, KA1 1HA, Scotland
- **SIC:** 72110

### Officers

- DEWANDELEER, Pieter Johan — director · Belgian · appointed 2024-05-21
- GEORGES, John Tom, Mr. — director · American · appointed 2024-05-21
- JUMP, Jeffrey Bryan — director · American · appointed 2019-07-16 · resigned 2024-03-13
- MURPHY, Christopher Dermot — director · Irish · appointed 2024-03-13 · resigned 2024-05-21
- STECKEL, Mark — director · American · appointed 2019-07-16 · resigned 2024-03-13
- THOMPSON-STECKEL, Tam Christine — director · American · appointed 2016-07-04 · resigned 2019-07-16
- WENTWORTH, William Ross — director · British · appointed 2024-03-13 · resigned 2024-05-21

### Beneficial owners (Persons with Significant Control)

- [M.A. Med Alliance Sa](https://whiteintel.dev/entity/3aa0079c-6d24-4f36-9670-d6bded5956fc) — 75–100% shares · corporate PSC · Switzerland — ceased 2025-12-10
- Ms Tam Christine Thompson-Steckel — 75–100% shares · individual PSC · Scotland — ceased 2019-07-16

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/SC539444
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/SC539444

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MEDALLIANCE LTD**. Human view: https://whiteintel.dev/entity/032db06a-96fb-52dc-adb9-a8aa636b6029 · Structured JSON: https://whiteintel.dev/api/public/dossier/032db06a-96fb-52dc-adb9-a8aa636b6029._

_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"._