---
title: "ILLINGWORTH HOLDINGS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e8eb3ade-d2e8-5641-9dcc-fa574dbfd88c
json: https://whiteintel.dev/api/public/dossier/e8eb3ade-d2e8-5641-9dcc-fa574dbfd88c
identifier: oo:GB-COH-12695368
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ILLINGWORTH HOLDINGS LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-12695368`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e8eb3ade-d2e8-5641-9dcc-fa574dbfd88c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e8eb3ade-d2e8-5641-9dcc-fa574dbfd88c  

## Ownership & control

### Holdings / subsidiaries

- **NORTHERN ENERGY GAS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/c8399d79-878e-57c3-a5ca-1c5d2d714a9c

## Company profile (live · UK Companies House)

- **Company number:** `12695368`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2020-06-24
- **Registered office:** Energy House Hampsthwaite Head, Hampsthwaite, Harrogate, HG3 2HT, United Kingdom
- **SIC:** 64202

### Officers

- BREWIN, Gareth — secretary · appointed 2025-11-05
- HARPER, Laura Elizabeth — director · English · appointed 2020-06-24
- ILLINGWORTH, Edward Peter — director · British · appointed 2020-06-24
- ILLINGWORTH, James Seth — director · British · appointed 2020-06-24
- ILLINGWORTH, Stuart John — director · British · appointed 2020-06-24
- SAILSBURY, Chris — secretary · appointed 2020-06-24 · resigned 2025-11-05

### Beneficial owners (Persons with Significant Control)

- Mr James Seth Illingworth — significant influence or control · individual PSC · United Kingdom — ceased 2025-11-05

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/12695368

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ILLINGWORTH HOLDINGS LIMITED**. Human view: https://whiteintel.dev/entity/e8eb3ade-d2e8-5641-9dcc-fa574dbfd88c · Structured JSON: https://whiteintel.dev/api/public/dossier/e8eb3ade-d2e8-5641-9dcc-fa574dbfd88c._

_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"._