---
title: "Mr Jonathan Mark Barnes — Ownership Dossier"
canonical: https://whiteintel.dev/entity/443b0b7c-142f-4d39-9755-94828a2acdf0
json: https://whiteintel.dev/api/public/dossier/443b0b7c-142f-4d39-9755-94828a2acdf0
identifier: psc:rP1iDrVYXKj4x9oQbsecqhh5Png
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Jonathan Mark Barnes

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:rP1iDrVYXKj4x9oQbsecqhh5Png`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/443b0b7c-142f-4d39-9755-94828a2acdf0  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/443b0b7c-142f-4d39-9755-94828a2acdf0  

## Ownership & control

### Holdings / subsidiaries

- **Deben Publishing Ltd** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/e07e4946-d0b0-420e-93fe-881cd8f00e41

## 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 **Mr Jonathan Mark Barnes** — https://whiteintel.dev/entity/443b0b7c-142f-4d39-9755-94828a2acdf0 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Jonathan Mark Barnes**. Human view: https://whiteintel.dev/entity/443b0b7c-142f-4d39-9755-94828a2acdf0 · Structured JSON: https://whiteintel.dev/api/public/dossier/443b0b7c-142f-4d39-9755-94828a2acdf0._

_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"._