---
title: "BLOCKCHAIN INVESTMENTS LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e1e7664a-be1b-57ce-b6e7-1ef8b60eb58c
json: https://whiteintel.dev/api/public/dossier/e1e7664a-be1b-57ce-b6e7-1ef8b60eb58c
identifier: oo:GB-COH-12255261
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BLOCKCHAIN INVESTMENTS LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-12255261`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e1e7664a-be1b-57ce-b6e7-1ef8b60eb58c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e1e7664a-be1b-57ce-b6e7-1ef8b60eb58c  

## Ownership & control

### Owners / controllers

- **Ewa Ziarkowska** (beneficial owner) — 50% — https://whiteintel.dev/entity/ffea2dc1-92f6-5111-a7bb-050e023762cc
- **Cezary Ziarkowski** (beneficial owner) — 50% — https://whiteintel.dev/entity/11894c31-f6b6-501d-ab88-a08ecc22d57a
- **Ewa Ziarkowska** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/2a3006be-c303-4727-aa51-9a17b782893d
- **Cezary Ziarkowski** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/f4caa7bb-2404-4378-9515-877d7d28d833

### 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:** `12255261`
- **Status:** dissolved
- **Type:** ltd
- **Incorporated:** 2019-10-10
- **Registered office:** Suite 18 Equity Chambers, 249 High Street North, Poole, BH15 1DX, England
- **SIC:** 63990, 70229

### Officers

- ZIARKOWSKA, Ewa — director · Polish · appointed 2019-10-10
- ZIARKOWSKI, Cezary — director · Polish · appointed 2019-10-10

### Beneficial owners (Persons with Significant Control)

- Ewa Ziarkowska — 25–50% shares · individual PSC · England — since 2019-10-10
- Cezary Ziarkowski — 25–50% shares · individual PSC · England — since 2019-10-10

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/12255261
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/12255261

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BLOCKCHAIN INVESTMENTS LTD**. Human view: https://whiteintel.dev/entity/e1e7664a-be1b-57ce-b6e7-1ef8b60eb58c · Structured JSON: https://whiteintel.dev/api/public/dossier/e1e7664a-be1b-57ce-b6e7-1ef8b60eb58c._

_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"._