---
title: "JANSKE LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ae41b62a-4392-565f-8a50-2d3249dbeccc
json: https://whiteintel.dev/api/public/dossier/ae41b62a-4392-565f-8a50-2d3249dbeccc
identifier: oo:GB-COH-08599803
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# JANSKE LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-08599803`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ae41b62a-4392-565f-8a50-2d3249dbeccc  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ae41b62a-4392-565f-8a50-2d3249dbeccc  

## Ownership & control

### Owners / controllers

- **OSTREA PARTICIPATIONS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/68a35c47-bf80-5f0d-aa94-e34a73a04ad6
- **Ostrea Participations Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/9641a56d-eb95-4c67-9917-48b3dcb5aeeb
- **MELIORA MADIZ ASSOCIATES LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/1425db77-c5f4-5239-afce-86cda7c9c6a0

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

A **8-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:** `08599803`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2013-07-08
- **Registered office:** 15 Alexandra Corniche, Hythe, Kent, CT21 5RW
- **SIC:** 74990

### Officers

- DENNEMAN, Diana Gabrielle — director · Dutch · appointed 2013-07-08
- OSTREA CORPORATE SERVICES UK LIMITED — corporate secretary · appointed 2015-05-28 · resigned 2020-12-01
- QUAEDVLIEG CORPORATE SERVICES UK LIMITED — corporate secretary · appointed 2013-07-08 · resigned 2015-05-28

### Beneficial owners (Persons with Significant Control)

- [Meliora Madiz Associates Limited](https://whiteintel.dev/entity/1425db77-c5f4-5239-afce-86cda7c9c6a0) — 75–100% shares · corporate PSC · England — since 2026-01-01
- [Ostrea Participations Limited](https://whiteintel.dev/entity/9641a56d-eb95-4c67-9917-48b3dcb5aeeb) — 75–100% shares · corporate PSC · England — ceased 2026-01-01

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/08599803
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/08599803

## 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 **JANSKE LIMITED** — https://whiteintel.dev/entity/ae41b62a-4392-565f-8a50-2d3249dbeccc · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **JANSKE LIMITED**. Human view: https://whiteintel.dev/entity/ae41b62a-4392-565f-8a50-2d3249dbeccc · Structured JSON: https://whiteintel.dev/api/public/dossier/ae41b62a-4392-565f-8a50-2d3249dbeccc._

_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"._