---
title: "ADVENTURE 21 UK LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/f37a10ef-cccd-5948-9302-4eca2c60f9d3
json: https://whiteintel.dev/api/public/dossier/f37a10ef-cccd-5948-9302-4eca2c60f9d3
identifier: oo:GB-COH-15878713
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ADVENTURE 21 UK LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-15878713`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/f37a10ef-cccd-5948-9302-4eca2c60f9d3  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/f37a10ef-cccd-5948-9302-4eca2c60f9d3  

## Ownership & control

### Owners / controllers

- **Mr David Thomas Firth** (beneficial owner) — 50% — https://whiteintel.dev/entity/613778e1-eb64-5228-b0b2-e9e6bea93a05
- **Miss Keturah Nightingale** (beneficial owner) — 50% — https://whiteintel.dev/entity/f72d6505-6d9d-549e-9494-d5c3a4994686
- **Miss Keturah Nightingale** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/e3d48ce3-b05b-4bf4-8c93-d7696bf12b55
- **Mr David Thomas Firth** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/78bb7525-3dc5-4b8a-b327-7ae9082f6d1f

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

1. **Mr David Thomas Firth** — beneficial owner 50% → *ADVENTURE 21 UK LTD*
1. **Miss Keturah Nightingale** — beneficial owner 50% → *ADVENTURE 21 UK LTD*
1. **Miss Keturah Nightingale** — beneficial owner 37.5% → *ADVENTURE 21 UK LTD*
1. **Mr David Thomas Firth** — beneficial owner 37.5% → *ADVENTURE 21 UK LTD*

## Company profile (live · UK Companies House)

- **Company number:** `15878713`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2024-08-05
- **Registered office:** 168 Lee Lane Horwich, Bolton, Greater Manchester, BL6 7AF, England
- **SIC:** 93290

## Financials (Companies House accounts)

| Figure | 2025-08-31 |
|---|---:|
| Shareholder funds | -£1,917 |
| Current assets | £2,289 |
| Employees | 1 |

_As filed at Companies House. Micro-entities file no profit-and-loss account._

### Officers

- FIRTH, David Thomas — director · British · appointed 2024-08-05
- NIGHTINGALE, Keturah — director · British · appointed 2024-08-05

### Beneficial owners (Persons with Significant Control)

- Mr David Thomas Firth — 25–50% shares · individual PSC · United Kingdom — since 2024-08-05
- Miss Keturah Nightingale — 25–50% shares · individual PSC · United Kingdom — since 2024-08-05

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/15878713
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/15878713
- companies_house_accounts — https://find-and-update.company-information.service.gov.uk/company/15878713/filing-history

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ADVENTURE 21 UK LTD**. Human view: https://whiteintel.dev/entity/f37a10ef-cccd-5948-9302-4eca2c60f9d3 · Structured JSON: https://whiteintel.dev/api/public/dossier/f37a10ef-cccd-5948-9302-4eca2c60f9d3._

_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"._