---
title: "Jack Usher Barmby — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ba6004c5-e77e-5870-9f15-7c2a16387296
json: https://whiteintel.dev/api/public/dossier/ba6004c5-e77e-5870-9f15-7c2a16387296
identifier: oo-person:GB-COH-PER-09652602-tQwhRZwWPfNImtxKkeuyCLQYHKU
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Jack Usher Barmby

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-09652602-tQwhRZwWPfNImtxKkeuyCLQYHKU`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ba6004c5-e77e-5870-9f15-7c2a16387296  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ba6004c5-e77e-5870-9f15-7c2a16387296  

## Ownership & control

### Holdings / subsidiaries

- **GNATTA LIMITED** (beneficial owner) — 75% — https://whiteintel.dev/entity/0b77ac88-62ea-5284-8083-9da88e896ff5

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Jack Usher Barmby**. Human view: https://whiteintel.dev/entity/ba6004c5-e77e-5870-9f15-7c2a16387296 · Structured JSON: https://whiteintel.dev/api/public/dossier/ba6004c5-e77e-5870-9f15-7c2a16387296._

_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"._