---
title: "RELENTLESS MECHANICAL SERVICES LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/bdf137d1-a67f-5771-9f6f-cb60bf845c50
json: https://whiteintel.dev/api/public/dossier/bdf137d1-a67f-5771-9f6f-cb60bf845c50
identifier: oo:GB-COH-16116567
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# RELENTLESS MECHANICAL SERVICES LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-16116567`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/bdf137d1-a67f-5771-9f6f-cb60bf845c50  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/bdf137d1-a67f-5771-9f6f-cb60bf845c50  

## Ownership & control

### Owners / controllers

- **Mr David Willis** (beneficial owner) — 75% — https://whiteintel.dev/entity/ef346b97-d5c2-5d2b-969c-f2db8d4d3f6a
- **Mr David Willis** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/4e7977db-6c37-44c0-8691-495716850d05

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

1. **Mr David Willis** — beneficial owner 75% → *RELENTLESS MECHANICAL SERVICES LTD*
1. **Mr David Willis** — beneficial owner 62.5% → *RELENTLESS MECHANICAL SERVICES LTD*

## Company profile (live · UK Companies House)

- **Company number:** `16116567`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2024-12-03
- **Registered office:** 27 Princess Avenue, Worthing, BN13 1BA, England
- **SIC:** 43220

### Officers

- WILLIS, Chelsea Shelley Anne — director · British · appointed 2024-12-03
- WILLIS, David — director · British · appointed 2024-12-03

### Beneficial owners (Persons with Significant Control)

- Mr David Willis — 50–75% shares · individual PSC · England — since 2024-12-03

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/16116567
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/16116567

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **RELENTLESS MECHANICAL SERVICES LTD**. Human view: https://whiteintel.dev/entity/bdf137d1-a67f-5771-9f6f-cb60bf845c50 · Structured JSON: https://whiteintel.dev/api/public/dossier/bdf137d1-a67f-5771-9f6f-cb60bf845c50._

_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"._