---
title: "EXTREME SPECIALIST SERVICES LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/da0c3d68-dfd3-5d88-8367-bafa63356fe3
json: https://whiteintel.dev/api/public/dossier/da0c3d68-dfd3-5d88-8367-bafa63356fe3
identifier: oo:GB-COH-10960536
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# EXTREME SPECIALIST SERVICES LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-10960536`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/da0c3d68-dfd3-5d88-8367-bafa63356fe3  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/da0c3d68-dfd3-5d88-8367-bafa63356fe3  

## Ownership & control

### Owners / controllers

- **EXTREME SPECIALIST SERVICES LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/da0c3d68-dfd3-5d88-8367-bafa63356fe3
- **Mr Luke Tunstall** (beneficial owner) — 100% — https://whiteintel.dev/entity/d0e7684f-a53f-5412-9b14-ad07ec7b6e9d
- **Mr Lewis John Feneley** (beneficial owner) — 75% — https://whiteintel.dev/entity/3646f467-fb61-561f-ac4f-8f84db99afc6
- **Mr Luke Tunstall** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/1bc35e29-81fd-4ba4-b338-04eed9031f78
- **Mr Lewis John Feneley** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/60b12d61-33db-40fe-ae6a-f512652a6b35

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

1. **EXTREME SPECIALIST SERVICES LIMITED** — beneficial owner 100% → *EXTREME SPECIALIST SERVICES LIMITED*
1. **Mr Luke Tunstall** — beneficial owner 100% → *EXTREME SPECIALIST SERVICES LIMITED*
1. **Mr Lewis John Feneley** — beneficial owner 75% → *EXTREME SPECIALIST SERVICES LIMITED*
1. **Mr Luke Tunstall** — beneficial owner 87.5% → *EXTREME SPECIALIST SERVICES LIMITED*
1. **Mr Lewis John Feneley** — beneficial owner 62.5% → *EXTREME SPECIALIST SERVICES LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `10960536`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2017-09-13
- **Registered office:** Unit 1 Knowl Piece, Hitchin, Hertfordshire, SG4 0TY, United Kingdom
- **SIC:** 43991

### Officers

- TUNSTALL, Luke — director · British · appointed 2017-09-13
- FENELEY, Lewis John — director · British · appointed 2017-09-13 · resigned 2021-01-21

### Beneficial owners (Persons with Significant Control)

- [Extreme Group Holdings Limited](https://whiteintel.dev/entity/da0c3d68-dfd3-5d88-8367-bafa63356fe3) — 75–100% shares · corporate PSC · United Kingdom — since 2021-01-21
- Mr Luke Tunstall — 75–100% shares · individual PSC · United Kingdom — ceased 2021-01-21
- Mr Lewis John Feneley — 50–75% shares · individual PSC · United Kingdom — ceased 2021-01-21

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/10960536
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/10960536

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **EXTREME SPECIALIST SERVICES LIMITED**. Human view: https://whiteintel.dev/entity/da0c3d68-dfd3-5d88-8367-bafa63356fe3 · Structured JSON: https://whiteintel.dev/api/public/dossier/da0c3d68-dfd3-5d88-8367-bafa63356fe3._

_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"._