---
title: "DATA SHACK LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/f8c02dde-9c98-534c-b470-e18fd5c5b892
json: https://whiteintel.dev/api/public/dossier/f8c02dde-9c98-534c-b470-e18fd5c5b892
identifier: oo:GB-COH-11845164
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# DATA SHACK LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-11845164`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/f8c02dde-9c98-534c-b470-e18fd5c5b892  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/f8c02dde-9c98-534c-b470-e18fd5c5b892  

## Ownership & control

### Owners / controllers

- **Mr Sherlock Holmes** (beneficial owner) — 50% — https://whiteintel.dev/entity/de0ed0b7-e0fa-5b37-9f36-0b10a5559c45
- **Mr Sherlock Holmes** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/ecd1a79b-e378-4907-a9de-46b3a86d5b47
- **Ms Anna Johanna Catrina Toner** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/a292468d-afef-4787-941d-1efe7015d17e

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

A **3-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:** `11845164`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2019-02-25
- **Registered office:** 3rd Floor 45 Albemarle Street, Mayfair, London, W1S 4JL, England
- **SIC:** 71200

### Officers

- TONER, Anna Johanna Catrina — director · South African · appointed 2019-02-25
- DAVID DA CRUZ ANTONIO, Nuno — director · Portuguese · appointed 2019-07-29 · resigned 2019-10-02
- HOLMES, Sherlock — director · American · appointed 2019-07-29 · resigned 2025-04-01

### Beneficial owners (Persons with Significant Control)

- Ms Anna Johanna Catrina Toner — 75–100% shares · individual PSC · England — since 2019-02-25
- Mr Sherlock Holmes — 25–50% shares · individual PSC · England — ceased 2025-04-01

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/11845164
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/11845164

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **DATA SHACK LTD**. Human view: https://whiteintel.dev/entity/f8c02dde-9c98-534c-b470-e18fd5c5b892 · Structured JSON: https://whiteintel.dev/api/public/dossier/f8c02dde-9c98-534c-b470-e18fd5c5b892._

_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"._