---
title: "51 CS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/8bbed2f0-94d4-4413-bc68-11f2f5595a92
json: https://whiteintel.dev/api/public/dossier/8bbed2f0-94d4-4413-bc68-11f2f5595a92
identifier: gb-coh:17146578
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# 51 CS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `gb-coh:17146578`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/8bbed2f0-94d4-4413-bc68-11f2f5595a92  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/8bbed2f0-94d4-4413-bc68-11f2f5595a92  

## Ownership & control

### Owners / controllers

- **CRUM HOLDINGS LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/71e05b0c-f98f-5579-b1ea-6f29345913d4
- **JOSEFINA HOLDINGS LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/2f980a96-bfc3-4b09-b7e4-8d55196dd712

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

A **9-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:** `17146578`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2026-04-09
- **Registered office:** New Burlington House, 1075 Finchley Road, London, NW11 0PU, England
- **SIC:** 68209

### Officers

- O'BRIEN, Brendan Henry — director · British · appointed 2026-04-09
- SMITH, Andrew Robertson — director · British · appointed 2026-04-09

### Beneficial owners (Persons with Significant Control)

- [Crum Holdings Limited](https://whiteintel.dev/entity/71e05b0c-f98f-5579-b1ea-6f29345913d4) — 25–50% shares · corporate PSC · Scotland — since 2026-04-09
- [Josefina Holdings Limited](https://whiteintel.dev/entity/2f980a96-bfc3-4b09-b7e4-8d55196dd712) — 25–50% shares · corporate PSC · England — since 2026-04-09

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/17146578

## 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 **51 CS LIMITED** — https://whiteintel.dev/entity/8bbed2f0-94d4-4413-bc68-11f2f5595a92 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **51 CS LIMITED**. Human view: https://whiteintel.dev/entity/8bbed2f0-94d4-4413-bc68-11f2f5595a92 · Structured JSON: https://whiteintel.dev/api/public/dossier/8bbed2f0-94d4-4413-bc68-11f2f5595a92._

_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"._