---
title: "BLACKMANE DEVELOPMENTS LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d6bb1f6b-2a5b-463e-8ed6-d66fbcb32fad
json: https://whiteintel.dev/api/public/dossier/d6bb1f6b-2a5b-463e-8ed6-d66fbcb32fad
identifier: gb-coh:11205853
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BLACKMANE DEVELOPMENTS LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `gb-coh:11205853`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/d6bb1f6b-2a5b-463e-8ed6-d66fbcb32fad  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d6bb1f6b-2a5b-463e-8ed6-d66fbcb32fad  

## Ownership & control

### Owners / controllers

- **Mr Kristian Thomas Mason** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/f839a374-3ce6-4b53-8b6c-86dbab9c0e41
- **Mr Stephen Holmes** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/06796439-0ec0-4eba-9209-95ff1b290f33

### 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:** `11205853`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2018-02-14
- **Registered office:** 23 Wintour Close, Chepstow, Monmouthshire, NP16 5LE, Wales
- **SIC:** 41100, 41202

## Financials (Companies House accounts)

| Figure | 2026-02-28 |
|---|---:|
| Net assets | -£45,295 |
| Cash | £4,560 |
| Shareholder funds | £2 |
| Fixed assets | £10,748 |
| Current assets | £7,406 |
| Employees | 0 |

_Latest filed period. Full 2-year history unlocks with a paid dossier — https://whiteintel.dev/pricing. As filed at Companies House._

### Officers

- HOLMES, Stephen — director · English · appointed 2018-02-14
- MASON, Kristian Thomas — director · Welsh · appointed 2018-02-14 · resigned 2024-02-22

### Beneficial owners (Persons with Significant Control)

- Mr Stephen Holmes — 25–50% shares · individual PSC · Wales — since 2018-02-14
- Mr Kristian Thomas Mason — 25–50% shares · individual PSC · Wales — ceased 2024-02-22

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/11205853
- companies_house_accounts — https://find-and-update.company-information.service.gov.uk/company/11205853/filing-history

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BLACKMANE DEVELOPMENTS LTD**. Human view: https://whiteintel.dev/entity/d6bb1f6b-2a5b-463e-8ed6-d66fbcb32fad · Structured JSON: https://whiteintel.dev/api/public/dossier/d6bb1f6b-2a5b-463e-8ed6-d66fbcb32fad._

_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"._