---
title: "THE BLOCK CO (BRIGHTON AND HOVE) LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/daa9d129-6152-47e1-b17a-168a54febfde
json: https://whiteintel.dev/api/public/dossier/daa9d129-6152-47e1-b17a-168a54febfde
identifier: gb-coh:16941925
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# THE BLOCK CO (BRIGHTON AND HOVE) LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `gb-coh:16941925`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/daa9d129-6152-47e1-b17a-168a54febfde  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/daa9d129-6152-47e1-b17a-168a54febfde  

## Ownership & control

### Owners / controllers

- **Mrs Sidonie Aughney** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/1a0acd54-4c56-40ea-8328-ce82f6305884
- **WBSD3 HOLDINGS LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/60c3a17a-25e2-52e1-85d3-9c18522e99ee

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

A **13-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:** `16941925`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2026-01-05
- **Registered office:** First Floor Office Cornelius House, 178-180 Church Road, Hove, East Sussex, BN3 2DJ, England
- **SIC:** 98000

### Officers

- AUGHNEY, Sidonie Louise — director · British · appointed 2026-01-05
- BENNETT, Jonathan Mark — director · British · appointed 2026-01-05
- HARDING, James Robert — director · British · appointed 2026-01-05

### Beneficial owners (Persons with Significant Control)

- [Wbsd3 Holdings Ltd](https://whiteintel.dev/entity/60c3a17a-25e2-52e1-85d3-9c18522e99ee) — 75–100% shares · corporate PSC · England — since 2026-01-05
- Mrs Sidonie Aughney — 75–100% shares · individual PSC · England — ceased 2026-01-05

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/16941925

## 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 **THE BLOCK CO (BRIGHTON AND HOVE) LTD** — https://whiteintel.dev/entity/daa9d129-6152-47e1-b17a-168a54febfde · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **THE BLOCK CO (BRIGHTON AND HOVE) LTD**. Human view: https://whiteintel.dev/entity/daa9d129-6152-47e1-b17a-168a54febfde · Structured JSON: https://whiteintel.dev/api/public/dossier/daa9d129-6152-47e1-b17a-168a54febfde._

_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"._