---
title: "HCI DOURO UK HOLDINGS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/5d23d49f-aa47-46b6-85af-67dcd173e4cd
json: https://whiteintel.dev/api/public/dossier/5d23d49f-aa47-46b6-85af-67dcd173e4cd
identifier: gb-coh:16515836
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# HCI DOURO UK HOLDINGS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `gb-coh:16515836`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/5d23d49f-aa47-46b6-85af-67dcd173e4cd  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/5d23d49f-aa47-46b6-85af-67dcd173e4cd  

## Ownership & control

### Owners / controllers

- **William Graham Rumble** (beneficial owner) — https://whiteintel.dev/entity/78f81aba-3e81-4652-a905-58f9bfc2bb44
- **Rickey Dean Whitworth** (beneficial owner) — https://whiteintel.dev/entity/c1487ddc-cfbc-47df-8dd6-3f4d6a449d47

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

A **2-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:** `16515836`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2025-06-13
- **Registered office:** 4th Floor 3 More London Riverside, London, SE1 2AQ, United Kingdom
- **SIC:** 68100

### Officers

- SUMMERHILL SECRETARIES (ISLE OF MAN) LIMITED — corporate secretary · appointed 2026-04-28
- RUMBLE, William Graham — director · American · appointed 2025-06-13
- WHITWORTH, Rickey Dean — director · American · appointed 2026-06-26 · resigned 2026-07-31
- WHITWORTH, Rickey Dean — director · American · appointed 2025-06-13 · resigned 2026-06-26

### Beneficial owners (Persons with Significant Control)

- William Graham Rumble — significant influence or control · individual PSC · United States — since 2025-06-13
- Rickey Dean Whitworth — significant influence or control · individual PSC · United States — since 2025-06-13

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/16515836

## 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 **HCI DOURO UK HOLDINGS LIMITED** — https://whiteintel.dev/entity/5d23d49f-aa47-46b6-85af-67dcd173e4cd · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HCI DOURO UK HOLDINGS LIMITED**. Human view: https://whiteintel.dev/entity/5d23d49f-aa47-46b6-85af-67dcd173e4cd · Structured JSON: https://whiteintel.dev/api/public/dossier/5d23d49f-aa47-46b6-85af-67dcd173e4cd._

_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"._