---
title: "HERZ DIAGNOSTICS LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ac609ea3-ea8d-5cc5-a30b-ca4be5195cad
json: https://whiteintel.dev/api/public/dossier/ac609ea3-ea8d-5cc5-a30b-ca4be5195cad
identifier: oo:GB-COH-11924188
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# HERZ DIAGNOSTICS LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-11924188`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ac609ea3-ea8d-5cc5-a30b-ca4be5195cad  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ac609ea3-ea8d-5cc5-a30b-ca4be5195cad  

## Ownership & control

### Owners / controllers

- **Ms Joyce Krystel Cervantes** (beneficial owner) — 100% — https://whiteintel.dev/entity/21dc621d-1146-5e13-a9e5-5d808de14d80
- **Ms Joyce Krystel Choa Cervantes** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/c9779ad6-2902-4f08-9f2f-5dab65f51ef4

### 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:** `11924188`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2019-04-03
- **Registered office:** 17 Durham Close, London, SW20 0QJ, England
- **SIC:** 96090

### Officers

- CERVANTES, Joyce Krystel Choa — director · British · appointed 2019-04-03
- CERVANTES, Lioneil Fulgencio — director · British · appointed 2021-05-25

### Beneficial owners (Persons with Significant Control)

- Ms Joyce Krystel Choa Cervantes — 75–100% shares · individual PSC · United Kingdom — since 2019-04-03

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/11924188
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/11924188

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HERZ DIAGNOSTICS LTD**. Human view: https://whiteintel.dev/entity/ac609ea3-ea8d-5cc5-a30b-ca4be5195cad · Structured JSON: https://whiteintel.dev/api/public/dossier/ac609ea3-ea8d-5cc5-a30b-ca4be5195cad._

_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"._