---
title: "Mr. Jonathan Yeardsley Slack — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ff269d77-09e7-5e82-aeec-ea12a3d624d1
json: https://whiteintel.dev/api/public/dossier/ff269d77-09e7-5e82-aeec-ea12a3d624d1
identifier: oo-person:GB-COH-PER-02542839-XVFVpgYRQXjO9ZuNLXevYUSE7qE
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr. Jonathan Yeardsley Slack

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-02542839-XVFVpgYRQXjO9ZuNLXevYUSE7qE`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ff269d77-09e7-5e82-aeec-ea12a3d624d1  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ff269d77-09e7-5e82-aeec-ea12a3d624d1  

## Ownership & control

### Holdings / subsidiaries

- **LONDON MARKET CLAIMS SERVICES LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/4a2a433d-0d22-5bf9-b2f0-2c2de97858a9

## Provenance

- OpenOwnership — https://www.openownership.org

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr. Jonathan Yeardsley Slack**. Human view: https://whiteintel.dev/entity/ff269d77-09e7-5e82-aeec-ea12a3d624d1 · Structured JSON: https://whiteintel.dev/api/public/dossier/ff269d77-09e7-5e82-aeec-ea12a3d624d1._

_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"._