---
title: "Mr Sean Martin O'Leary — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b67e4929-a7a5-584e-9323-d1f5d2aabbb2
json: https://whiteintel.dev/api/public/dossier/b67e4929-a7a5-584e-9323-d1f5d2aabbb2
identifier: oo-person:GB-COH-PER-06047251-XRghLb-okQF3pZpLnOqzi444aHA
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Sean Martin O'Leary

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-06047251-XRghLb-okQF3pZpLnOqzi444aHA`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b67e4929-a7a5-584e-9323-d1f5d2aabbb2  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b67e4929-a7a5-584e-9323-d1f5d2aabbb2  

## Ownership & control

### Holdings / subsidiaries

- **SL ENVIRONMENTAL LIMITED** (beneficial owner) — https://whiteintel.dev/entity/24ffce2a-f378-5708-a11b-efdf19bc4b71

## 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 **Mr Sean Martin O'Leary** — https://whiteintel.dev/entity/b67e4929-a7a5-584e-9323-d1f5d2aabbb2 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Sean Martin O'Leary**. Human view: https://whiteintel.dev/entity/b67e4929-a7a5-584e-9323-d1f5d2aabbb2 · Structured JSON: https://whiteintel.dev/api/public/dossier/b67e4929-a7a5-584e-9323-d1f5d2aabbb2._

_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"._