---
title: "CRYSTALDEEP LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/39617bfd-ac00-59f8-a113-8cd76bd3cf6c
json: https://whiteintel.dev/api/public/dossier/39617bfd-ac00-59f8-a113-8cd76bd3cf6c
identifier: oo:GB-COH-03068117
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CRYSTALDEEP LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-03068117`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/39617bfd-ac00-59f8-a113-8cd76bd3cf6c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/39617bfd-ac00-59f8-a113-8cd76bd3cf6c  

## Ownership & control

### Owners / controllers

- **Steven Mcdonnell** (beneficial owner) — 50% — https://whiteintel.dev/entity/c9411772-4690-5937-bcc6-29bda630d58b
- **Mr Steven Vincent Mcdonnell** (beneficial owner) — 50% — https://whiteintel.dev/entity/b763478a-d0ca-5c2f-8510-0aa6895b5226
- **James Mcdonnell** (beneficial owner) — 50% — https://whiteintel.dev/entity/cecd78d6-632a-51c0-baa8-d301a09f867a
- **Mr William Mcdonnell** (beneficial owner) — 50% — https://whiteintel.dev/entity/2d7e275d-b72c-526a-9aab-01e7a6675cba
- **Steven Mcdonnell** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/cda8a09d-b4cc-45e3-8402-8ef85b763146
- **James Mcdonnell** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/4ea659df-21ad-492f-a589-5487b9ab8a60
- **Mr William Mcdonnell** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/d9853579-8705-4e39-ae55-04691a1d3621
- **Mr Steven Vincent Mcdonnell** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/dbebd556-c6d5-454d-af0a-17434abd466b

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

A **8-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:** `03068117`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1995-06-14
- **Registered office:** 236 Portswood Road Portswood, Southampton, Hampshire, SO17 2LE, United Kingdom
- **SIC:** 68209

### Officers

- MCDONNELL, James — director · Irish · appointed 1995-06-26
- MCDONNELL, William — director · Irish · appointed 1996-02-08
- MCDONNELL, Anne Marie — secretary · Irish · appointed 1995-11-07 · resigned 1996-03-11
- MCDONNELL, John — secretary · Irish · appointed 1995-06-26 · resigned 1995-07-20
- MCDONNELL, Steven — secretary · British · appointed 1996-03-11 · resigned 2026-04-04
- COURT SECRETARIES LIMITED — corporate secretary · appointed 1995-06-19 · resigned 1995-06-26
- JL NOMINEES TWO LIMITED — corporate nominee secretary · appointed 1995-06-14 · resigned 1995-06-19
- MCDONNELL, Steven — director · British · appointed 1996-02-08 · resigned 2026-04-04
- COURT BUSINESS SERVICES LIMITED — corporate director · appointed 1995-06-19 · resigned 1995-06-26
- JL NOMINEES ONE LIMITED — corporate nominee director · appointed 1995-06-14 · resigned 1995-06-19

### Beneficial owners (Persons with Significant Control)

- James Mcdonnell — 25–50% shares · individual PSC · United Kingdom — since 2016-04-06
- Mr William Mcdonnell — 25–50% shares · individual PSC · United Kingdom — since 2016-04-06
- Steven Mcdonnell — 25–50% shares · individual PSC · United Kingdom — ceased 2026-04-04
- Mr Steven Vincent Mcdonnell — 25–50% shares · individual PSC — ceased 2016-04-06

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/03068117
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/03068117

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CRYSTALDEEP LIMITED**. Human view: https://whiteintel.dev/entity/39617bfd-ac00-59f8-a113-8cd76bd3cf6c · Structured JSON: https://whiteintel.dev/api/public/dossier/39617bfd-ac00-59f8-a113-8cd76bd3cf6c._

_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"._