---
title: "UME DIAGNOSTIC MANAGEMENT COMPANY LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a6ea8f67-385d-515d-b399-71f2b1d75c51
json: https://whiteintel.dev/api/public/dossier/a6ea8f67-385d-515d-b399-71f2b1d75c51
identifier: oo:GB-COH-06451324
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# UME DIAGNOSTIC MANAGEMENT COMPANY LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-06451324`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a6ea8f67-385d-515d-b399-71f2b1d75c51  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a6ea8f67-385d-515d-b399-71f2b1d75c51  

## Ownership & control

### Owners / controllers

- **Mr Maurice Tromb** (beneficial owner) — https://whiteintel.dev/entity/de67bd3b-a9d8-5fb5-93f3-ade20d133c09
- **UME INVESTMENT CO. LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/1b853a90-fb2f-50de-840e-6788b7695014
- **Ume Investment Co. Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/0932145d-3d95-4012-848e-1ec469530cf2
- **Mrs Karen Anne Miller** (beneficial owner) — https://whiteintel.dev/entity/c7246cd3-fb56-4002-9975-88579bec8766
- **Mr Maurice Tromb** (beneficial owner) — https://whiteintel.dev/entity/c963f05d-da03-4581-b50c-4d116051a3ef

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

A **26-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:** `06451324`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2007-12-12
- **Registered office:** 17 Harley Street, London, W1G 9QH, England
- **SIC:** 68100, 74909, 74990

## Financials (Companies House accounts)

| Figure | 2025-12-31 |
|---|---:|
| Cash | £211 |
| Shareholder funds | £1,000,000 |
| Current assets | £211 |
| Employees | 0 |

_Latest filed period. Full 2-year history unlocks with a paid dossier — https://whiteintel.dev/pricing. As filed at Companies House._

### Officers

- KHOURY, Sameh — director · Canadian · appointed 2023-01-01
- POPE, Gloria June — secretary · British · appointed 2007-12-12 · resigned 2012-12-31
- ANDREOU, Andrew — director · British · appointed 2007-12-12 · resigned 2012-07-31
- BIRD, Nicholas John — director · British · appointed 2019-05-20 · resigned 2020-01-01
- EL SEIF, Sultan Mohammed — director · Saudi Arabian · appointed 2009-02-01 · resigned 2018-08-16
- MILLER, Karen Anne — director · British · appointed 2009-02-01 · resigned 2018-01-08
- MORTON, Ronald Thomas Heinrich — director · British · appointed 2009-02-01 · resigned 2009-10-22
- SMEED, David — director · British · appointed 2007-12-31 · resigned 2008-12-31
- TABBARA, Ali Oussama — director · Canadian · appointed 2020-01-01 · resigned 2022-12-30
- THOMPSON, Paul Simon — director · British · appointed 2012-07-31 · resigned 2015-05-22
- THORLEY, Ian — director · Australian · appointed 2008-01-06 · resigned 2009-10-31
- TROMB, Maurice — director · Lebanese · appointed 2018-08-16 · resigned 2019-05-20

### Beneficial owners (Persons with Significant Control)

- [Ume Investment Co. Limited](https://whiteintel.dev/entity/0932145d-3d95-4012-848e-1ec469530cf2) — 75–100% shares · corporate PSC · England — since 2019-06-14
- Mr Maurice Tromb — significant influence or control · individual PSC — ceased 2019-06-14
- Mrs Karen Anne Miller — 25–50% votes · individual PSC — ceased 2018-04-08

## Exposure (derived from the ownership graph)

**4** owners upstream in this entity's ownership/control chain are flagged — a sanctions hit or a secrecy jurisdiction — an investigative lead by resolved identity, not a legal determination. The contributing parties and the hop-by-hop path unlock with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/06451324
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/06451324
- companies_house_accounts — https://find-and-update.company-information.service.gov.uk/company/06451324/filing-history

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **UME DIAGNOSTIC MANAGEMENT COMPANY LIMITED** — https://whiteintel.dev/entity/a6ea8f67-385d-515d-b399-71f2b1d75c51 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **UME DIAGNOSTIC MANAGEMENT COMPANY LIMITED**. Human view: https://whiteintel.dev/entity/a6ea8f67-385d-515d-b399-71f2b1d75c51 · Structured JSON: https://whiteintel.dev/api/public/dossier/a6ea8f67-385d-515d-b399-71f2b1d75c51._

_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"._