---
title: "LONGWALL VENTURES ECF (GP) LLP — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2560724e-32c8-5b01-bdd2-565b083a14bd
json: https://whiteintel.dev/api/public/dossier/2560724e-32c8-5b01-bdd2-565b083a14bd
identifier: oo:GB-COH-OC379110
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# LONGWALL VENTURES ECF (GP) LLP

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-OC379110`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/2560724e-32c8-5b01-bdd2-565b083a14bd  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2560724e-32c8-5b01-bdd2-565b083a14bd  

## Cross-source identity

The same real-world entity, resolved across sources:

- **Longwall Ventures Ecf (Gp) Llp** — source · `psc:_hE15bwsSeljhuokJKW7lur6qFE` — https://whiteintel.dev/entity/3e75a4af-b000-41e5-82e7-d9043f2d7edf

## Ownership & control

### Owners / controllers

- **Ms Jane Elizabeth Burgoyne** (beneficial owner) — https://whiteintel.dev/entity/886ade99-e2e6-56a6-a085-5ec29da2c9a0
- **Mr David James Edmonds Denny** (beneficial owner) — 50% — https://whiteintel.dev/entity/a2cb613b-a2dc-5663-a62d-60ca7eb4f7ab
- **Mr Michael Geoffrey Penington** (beneficial owner) — 50% — https://whiteintel.dev/entity/c214e8f4-d442-5a96-b43a-88a8712263a9
- **Mr Matthew Gerard Winston Frohn** (beneficial owner) — 50% — https://whiteintel.dev/entity/a3c8e42a-7386-5007-8aa3-b956826a5a06
- **Mr Michael Geoffrey Penington** (beneficial owner) — https://whiteintel.dev/entity/4e58bc62-70b2-4336-ba43-074e1437d30b
- **Mr David James Edmonds Denny** (beneficial owner) — https://whiteintel.dev/entity/097e8e1d-5235-4885-9719-37f6e05147b5
- **Mr Matthew Gerard Winston Frohn** (beneficial owner) — https://whiteintel.dev/entity/a9343dd4-6f5f-4aea-bd2c-da4851367468
- **Ms Jane Elizabeth Burgoyne** (beneficial owner) — https://whiteintel.dev/entity/d698c06c-133f-4b47-a408-86225c5fae55

### Holdings / subsidiaries

- **KEIT LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/ac495992-1c02-5ae6-b1fd-5bd2abf759cb
- **OXFORD SPACE SYSTEMS LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/524fe75f-ec90-5423-bc74-930578c02d94
- **JOOST ENGINES LTD** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/e88d8a41-deff-526f-b4b1-2fec27278785
- **MIRICO LTD.** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/a35d86f6-e603-5343-b441-f2afa91996f7
- **ARQUER DIAGNOSTICS LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/de5668e6-0bc3-5e30-8190-361aaf4203fe

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

A **8-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Company profile (live · UK Companies House)

- **Company number:** `OC379110`
- **Status:** active
- **Type:** llp
- **Incorporated:** 2012-10-08
- **Registered office:** 30 Upper High Street, Thame, Oxfordshire, OX9 3EZ, England

### Officers

- BURGOYNE, Jane Elizabeth — llp designated member · appointed 2021-11-11
- DENNY, David James Edmonds — llp designated member · appointed 2012-10-08
- FROHN, Matthew Gerard Winston — llp designated member · appointed 2012-10-08
- [LONGWALL VENTURE PARTNERS LLP](https://whiteintel.dev/entity/31ff1a57-ec93-5a69-b044-a5357457e45e) — corporate llp member · appointed 2012-10-08
- [LONGWALL VENTURES ECF (GP) MEMBER LIMITED](https://whiteintel.dev/entity/bfabed8b-ed1f-5e78-b2a7-6b8f4d6099eb) — corporate llp member · appointed 2012-11-14
- PENINGTON, Michael Geoffrey — llp designated member · appointed 2012-10-08 · resigned 2023-06-29

### Beneficial owners (Persons with Significant Control)

- Ms Jane Elizabeth Burgoyne — significant influence or control limited liability partnership · individual PSC · England — since 2021-11-11
- Mr David James Edmonds Denny — 25–50% votes · individual PSC · England — since 2016-04-06
- Mr Matthew Gerard Winston Frohn — 25–50% votes · individual PSC · England — since 2016-04-06
- Mr Michael Geoffrey Penington — 25–50% votes · individual PSC · England — ceased 2023-06-29

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/OC379110
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/OC379110

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **LONGWALL VENTURES ECF (GP) LLP** — https://whiteintel.dev/entity/2560724e-32c8-5b01-bdd2-565b083a14bd · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **LONGWALL VENTURES ECF (GP) LLP**. Human view: https://whiteintel.dev/entity/2560724e-32c8-5b01-bdd2-565b083a14bd · Structured JSON: https://whiteintel.dev/api/public/dossier/2560724e-32c8-5b01-bdd2-565b083a14bd._

_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"._