---
title: "SEN DIAGNOSTICS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/99349772-e2a2-50a7-8c48-d98b87baf9aa
json: https://whiteintel.dev/api/public/dossier/99349772-e2a2-50a7-8c48-d98b87baf9aa
identifier: oo:GB-COH-09321064
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SEN DIAGNOSTICS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-09321064`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/99349772-e2a2-50a7-8c48-d98b87baf9aa  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/99349772-e2a2-50a7-8c48-d98b87baf9aa  

## Ownership & control

### Owners / controllers

- **Mr Soumadri Sen** (beneficial owner) — 75% — https://whiteintel.dev/entity/a07de551-033d-534b-85ee-e8f5dd92e54a
- **Mrs Tanaya Sen** (beneficial owner) — 50% — https://whiteintel.dev/entity/5716257c-b4b8-5720-964b-13820065e912
- **Mr Soumadri Sen** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/3b5312b4-2841-441d-ae65-615f3a4dac1d
- **Mrs Tanaya Sen** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/68827376-e51f-473c-bfa0-254be07ef64a

### Holdings / subsidiaries

- **AMISTAD HOLDINGS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/ee57fd3d-7f3b-482c-872a-2ea0edbe1b6e
- **SERENITAS VENTURES LTD** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/74a021aa-ae9d-42df-a9c7-ca9f842dbad3

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

A **4-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:** `09321064`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2014-11-20
- **Registered office:** 10 Frances Green, Chelmsford, CM1 6EG, England
- **SIC:** 86220

### Officers

- SEN, Soumadri, Dr — director · British · appointed 2014-11-20
- SEN, Tanaya — director · British · appointed 2014-11-20

### Beneficial owners (Persons with Significant Control)

- Mr Soumadri Sen — 50–75% shares · individual PSC · England — since 2016-04-06
- Mrs Tanaya Sen — 25–50% shares · individual PSC · England — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/09321064
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/09321064

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SEN DIAGNOSTICS LIMITED**. Human view: https://whiteintel.dev/entity/99349772-e2a2-50a7-8c48-d98b87baf9aa · Structured JSON: https://whiteintel.dev/api/public/dossier/99349772-e2a2-50a7-8c48-d98b87baf9aa._

_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"._