---
title: "BLACKSTACK LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/8843ac8f-ff29-4dc8-aa6d-c8cc555d104c
json: https://whiteintel.dev/api/public/dossier/8843ac8f-ff29-4dc8-aa6d-c8cc555d104c
identifier: gb-coh:12924060
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BLACKSTACK LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `gb-coh:12924060`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/8843ac8f-ff29-4dc8-aa6d-c8cc555d104c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/8843ac8f-ff29-4dc8-aa6d-c8cc555d104c  

## Ownership & control

### Owners / controllers

- **Mr Adriaan Nicolaas Petrus Pelzer** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/a27f629a-44d1-4f6c-a673-f3414d5c782d

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

A **1-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:** `12924060`
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 2020-10-02
- **Registered office:** UNIT 55 OMEGA WORKS, 4 ROACH ROAD, LONDON, E3 2PD
- **SIC:** 62012 - Business and domestic software development

## Financials (Companies House accounts)

| Figure | 2025-10-31 |
|---|---:|
| Net assets | £25,937 |
| Shareholder funds | £25,937 |
| Fixed assets | £96,626 |
| Current assets | £21,180 |
| Employees | 1 |

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

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/12924060
- companies_house_accounts — https://find-and-update.company-information.service.gov.uk/company/12924060/filing-history

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BLACKSTACK LIMITED**. Human view: https://whiteintel.dev/entity/8843ac8f-ff29-4dc8-aa6d-c8cc555d104c · Structured JSON: https://whiteintel.dev/api/public/dossier/8843ac8f-ff29-4dc8-aa6d-c8cc555d104c._

_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"._