---
title: "Michael Joseph Oneill — Ownership Dossier"
canonical: https://whiteintel.dev/entity/841e0646-77fc-4c11-afe9-ece6ba54f1ec
json: https://whiteintel.dev/api/public/dossier/841e0646-77fc-4c11-afe9-ece6ba54f1ec
identifier: psc:BFBlDWLYyG9frxqW6AOKScCi6gg
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Michael Joseph Oneill

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:BFBlDWLYyG9frxqW6AOKScCi6gg`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/841e0646-77fc-4c11-afe9-ece6ba54f1ec  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/841e0646-77fc-4c11-afe9-ece6ba54f1ec  

## Ownership & control

### Holdings / subsidiaries

- **DEFENSTER LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/92084792-37db-4f3c-a31b-90d3ea85bfdd

## 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 **Michael Joseph Oneill** — https://whiteintel.dev/entity/841e0646-77fc-4c11-afe9-ece6ba54f1ec · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Michael Joseph Oneill**. Human view: https://whiteintel.dev/entity/841e0646-77fc-4c11-afe9-ece6ba54f1ec · Structured JSON: https://whiteintel.dev/api/public/dossier/841e0646-77fc-4c11-afe9-ece6ba54f1ec._

_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"._