---
title: "Yoanna O'Brien — Ownership Dossier"
canonical: https://whiteintel.dev/entity/c01c92e3-b655-5044-8248-7a714d138117
json: https://whiteintel.dev/api/public/dossier/c01c92e3-b655-5044-8248-7a714d138117
identifier: oo-person:GB-COH-PER-13842356-U4UwqzNpexBNJMjdRUg2tdeuRno
jurisdiction: SE
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Yoanna O'Brien

**Type:** Person  
**Jurisdiction:** SE  
**Identifier:** `oo-person:GB-COH-PER-13842356-U4UwqzNpexBNJMjdRUg2tdeuRno`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/c01c92e3-b655-5044-8248-7a714d138117  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/c01c92e3-b655-5044-8248-7a714d138117  

## Ownership & control

### Holdings / subsidiaries

- **ARGYLL PUBLISHING LTD** (beneficial owner) — 50% — https://whiteintel.dev/entity/1615b41e-9e66-59df-951b-ad8efd569b7a

## Provenance

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

## 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 **Yoanna O'Brien** — https://whiteintel.dev/entity/c01c92e3-b655-5044-8248-7a714d138117 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Yoanna O'Brien**. Human view: https://whiteintel.dev/entity/c01c92e3-b655-5044-8248-7a714d138117 · Structured JSON: https://whiteintel.dev/api/public/dossier/c01c92e3-b655-5044-8248-7a714d138117._

_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"._