---
title: "Chief Executive Officer Michael Arthur Hartmann — Ownership Dossier"
canonical: https://whiteintel.dev/entity/33b2451f-5514-5bfc-8bb6-de10753f9949
json: https://whiteintel.dev/api/public/dossier/33b2451f-5514-5bfc-8bb6-de10753f9949
identifier: oo-person:GB-COH-PER-09926911-dyO0dm5VpsXYwnBstRPgtzG5Q1k
jurisdiction: DE
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Chief Executive Officer Michael Arthur Hartmann

**Type:** Person  
**Jurisdiction:** DE  
**Identifier:** `oo-person:GB-COH-PER-09926911-dyO0dm5VpsXYwnBstRPgtzG5Q1k`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/33b2451f-5514-5bfc-8bb6-de10753f9949  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/33b2451f-5514-5bfc-8bb6-de10753f9949  

## Ownership & control

### Holdings / subsidiaries

- **COMPANIAL UK LIMITED** (beneficial owner) — https://whiteintel.dev/entity/7bc5b820-c08a-596b-a2a3-09a6f1a7ce76

## 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 **Chief Executive Officer Michael Arthur Hartmann** — https://whiteintel.dev/entity/33b2451f-5514-5bfc-8bb6-de10753f9949 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Chief Executive Officer Michael Arthur Hartmann**. Human view: https://whiteintel.dev/entity/33b2451f-5514-5bfc-8bb6-de10753f9949 · Structured JSON: https://whiteintel.dev/api/public/dossier/33b2451f-5514-5bfc-8bb6-de10753f9949._

_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"._