---
title: "S. JENKINSON AND SONS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ca472610-e714-51a4-b9b2-b2cf82d5564b
json: https://whiteintel.dev/api/public/dossier/ca472610-e714-51a4-b9b2-b2cf82d5564b
identifier: oo:GB-COH-01693919
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# S. JENKINSON AND SONS LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-01693919`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ca472610-e714-51a4-b9b2-b2cf82d5564b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ca472610-e714-51a4-b9b2-b2cf82d5564b  

## Ownership & control

### Owners / controllers

- **CMD ELECTRICAL ENGINEERING LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/0f9180e9-a0e6-51b8-83a5-22d510f2600e
- **Mrs Joan Margaret Jenkinson** (beneficial owner) — 50% — https://whiteintel.dev/entity/8ef3341c-8e4c-51ed-bcf4-27cf864ba37b
- **Mr Michael John Jenkinson** (beneficial owner) — 50% — https://whiteintel.dev/entity/21bfa6a9-1c01-56ec-a27d-a80bd83f4e6b
- **CMD ELECTRICAL ENGINEERING LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/0f9180e9-a0e6-51b8-83a5-22d510f2600e
- **Mrs Joan Margaret Jenkinson** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/12639b2f-699b-491b-b186-a7a47529ce7f
- **Mr Michael John Jenkinson** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/934d2694-833d-46b5-a09d-2331039b38e9

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

1. **CMD ELECTRICAL ENGINEERING LIMITED** — beneficial owner 100% → *S. JENKINSON AND SONS LIMITED*
1. **Mrs Joan Margaret Jenkinson** — beneficial owner 50% → *S. JENKINSON AND SONS LIMITED*
1. **Mr Michael John Jenkinson** — beneficial owner 50% → *S. JENKINSON AND SONS LIMITED*
1. **CMD ELECTRICAL ENGINEERING LIMITED** — beneficial owner 87.5% → *S. JENKINSON AND SONS LIMITED*
1. **Mrs Joan Margaret Jenkinson** — beneficial owner 37.5% → *S. JENKINSON AND SONS LIMITED*
1. **Mr Michael John Jenkinson** — beneficial owner 37.5% → *S. JENKINSON AND SONS LIMITED*
2. **Mr Jason Hackett** — beneficial owner 100% → *CMD ELECTRICAL ENGINEERING LIMITED*
2. **Mr Jason Hackett** — beneficial owner 62.5% → *CMD ELECTRICAL ENGINEERING LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `01693919`
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 1983-01-24
- **Registered office:** JENKINSON HOUSE, WHITE ROSE WAY, DONCASTER, SOUTH YORKSHIRE, DN4 5GJ
- **SIC:** 43210 - Electrical installation

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/01693919
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/01693919

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **S. JENKINSON AND SONS LIMITED**. Human view: https://whiteintel.dev/entity/ca472610-e714-51a4-b9b2-b2cf82d5564b · Structured JSON: https://whiteintel.dev/api/public/dossier/ca472610-e714-51a4-b9b2-b2cf82d5564b._

_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"._