---
title: "ACE MOTORCYCLE TRAINING (DURHAM) LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/cdc49478-e2b8-5523-9934-f41c67045c8a
json: https://whiteintel.dev/api/public/dossier/cdc49478-e2b8-5523-9934-f41c67045c8a
identifier: oo:GB-COH-04331816
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ACE MOTORCYCLE TRAINING (DURHAM) LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-04331816`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/cdc49478-e2b8-5523-9934-f41c67045c8a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/cdc49478-e2b8-5523-9934-f41c67045c8a  

## Ownership & control

### Owners / controllers

- **Mr William James Rimmer** (beneficial owner) — 75% — https://whiteintel.dev/entity/86b575d1-c258-5113-9af3-5c4c7de71bce
- **Mrs Helen Rimmer** (beneficial owner) — 50% — https://whiteintel.dev/entity/9740759b-4faa-5e4f-883b-18679faf4f07
- **Mrs Helen Rimmer** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/862ca9dd-7db9-4df2-8191-6b4ee4e75cfb
- **Mr William James Rimmer** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/cffd3e3e-15c6-414b-a4e4-4b38ece59cea

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

1. **Mr William James Rimmer** — beneficial owner 75% → *ACE MOTORCYCLE TRAINING (DURHAM) LIMITED*
1. **Mrs Helen Rimmer** — beneficial owner 50% → *ACE MOTORCYCLE TRAINING (DURHAM) LIMITED*
1. **Mrs Helen Rimmer** — beneficial owner 37.5% → *ACE MOTORCYCLE TRAINING (DURHAM) LIMITED*
1. **Mr William James Rimmer** — beneficial owner 62.5% → *ACE MOTORCYCLE TRAINING (DURHAM) LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `04331816`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2001-11-30
- **Registered office:** Unit D Gowan House, Mandale Business Park, Durham, DH1 1TH, United Kingdom
- **SIC:** 45400

### Officers

- RIMMER, Helen Marie — secretary · British · appointed 2001-12-20
- RIMMER, William James — director · British · appointed 2001-12-20
- PF & S (SECRETARIES) LIMITED — corporate secretary · appointed 2001-11-30 · resigned 2001-12-20
- PF & S (DIRECTORS) LIMITED — corporate director · appointed 2001-11-30 · resigned 2001-12-20

### Beneficial owners (Persons with Significant Control)

- Mr William James Rimmer — 50–75% shares · individual PSC · United Kingdom — since 2016-11-30
- Mrs Helen Rimmer — 25–50% shares · individual PSC · United Kingdom — since 2016-11-30

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/04331816
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/04331816

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ACE MOTORCYCLE TRAINING (DURHAM) LIMITED**. Human view: https://whiteintel.dev/entity/cdc49478-e2b8-5523-9934-f41c67045c8a · Structured JSON: https://whiteintel.dev/api/public/dossier/cdc49478-e2b8-5523-9934-f41c67045c8a._

_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"._