---
title: "JAMM CO 2019 LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/01b6849c-3a1a-5f5d-af0f-35567d3cbb52
json: https://whiteintel.dev/api/public/dossier/01b6849c-3a1a-5f5d-af0f-35567d3cbb52
identifier: oo:GB-COH-12177524
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# JAMM CO 2019 LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-12177524`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/01b6849c-3a1a-5f5d-af0f-35567d3cbb52  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/01b6849c-3a1a-5f5d-af0f-35567d3cbb52  

## Ownership & control

### Owners / controllers

- **Mr David Andrew Black** (beneficial owner) — 100% — https://whiteintel.dev/entity/e4d4070c-d1b7-5aa4-9d22-7773b5789c9d
- **Mr David Andrew Black** (beneficial owner) — 50% — https://whiteintel.dev/entity/1bb67b41-6b7e-5246-9527-583f0556fc19
- **YFM EQUITY PARTNERS BUYOUT I (GP) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/29d7bf8a-3698-536e-b795-9027ca265e0a
- **Mr David Andrew Black** (beneficial owner) — https://whiteintel.dev/entity/73f87ad4-4fc1-47ac-a1bf-9689a9a467dd
- **Mr David Andrew Black** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/9fbb6c39-9888-428a-b93c-906ce7b13e15
- **Mr David Harry Garratt** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/ac2ee3b6-b6e9-4e0b-8522-923ecc9c8877
- **YFM EQUITY PARTNERS BUYOUT I (GP) LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/29d7bf8a-3698-536e-b795-9027ca265e0a

### Holdings / subsidiaries

- **PROFESSIONAL MUSIC TECHNOLOGY LTD** (beneficial owner) — 100% — https://whiteintel.dev/entity/ae79adf1-c40e-5bbc-bd31-b4da1eb93346
- **PROFESSIONAL MUSIC TECHNOLOGY LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/ae79adf1-c40e-5bbc-bd31-b4da1eb93346

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

A **16-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:** `12177524`
- **Status:** dissolved
- **Type:** ltd
- **Incorporated:** 2019-08-28
- **Registered office:** Venture Point West, 70-72 Evans Road, Liverpool, L24 9PB, England
- **SIC:** 64209

### Officers

- [ST. PAULS SECRETARIES LIMITED](https://whiteintel.dev/entity/ed43a0e7-60a5-4262-8688-2124fce7d02b) — corporate secretary · appointed 2020-10-01
- BECK, Christopher Robert — director · British · appointed 2024-09-19
- BLACK, David Andrew — director · British · appointed 2019-10-11
- PATTEN, Timothy Mark Mcdougall — director · British · appointed 2021-01-25
- BLACK, David Andrew — director · British · appointed 2019-08-28 · resigned 2019-10-11
- CLARK, Ian Kenneth Sumner — director · British · appointed 2024-10-28 · resigned 2025-09-05
- GARRATT, David Harry — director · British · appointed 2019-10-11 · resigned 2024-06-30
- MOSS, Peter Leslie — director · British · appointed 2019-10-11 · resigned 2020-10-01
- ROBERTS, Michael Antony — director · British · appointed 2020-10-01 · resigned 2024-09-30

### Beneficial owners (Persons with Significant Control)

- Mr David Andrew Black — 25–50% votes · individual PSC · United Kingdom — since 2019-10-11
- [Yfm Equity Partners Buyout 1 (Gp) Limited](https://whiteintel.dev/entity/29d7bf8a-3698-536e-b795-9027ca265e0a) — 75–100% shares · corporate PSC · England — since 2019-10-11
- Mr David Harry Garratt — 75–100% shares · individual PSC · England — ceased 2019-10-11
- Mr David Andrew Black — 75–100% shares · individual PSC · England — ceased 2019-10-11

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/12177524
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/12177524

## 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 **JAMM CO 2019 LTD** — https://whiteintel.dev/entity/01b6849c-3a1a-5f5d-af0f-35567d3cbb52 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **JAMM CO 2019 LTD**. Human view: https://whiteintel.dev/entity/01b6849c-3a1a-5f5d-af0f-35567d3cbb52 · Structured JSON: https://whiteintel.dev/api/public/dossier/01b6849c-3a1a-5f5d-af0f-35567d3cbb52._

_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"._