---
title: "Arthur Mattias Koppel — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a59f36c8-8a1b-536b-8be3-9079c9045035
json: https://whiteintel.dev/api/public/dossier/a59f36c8-8a1b-536b-8be3-9079c9045035
jurisdiction: EE
source: WhiteIntel corporate-ownership graph
---

# Arthur Mattias Koppel

**Type:** Person  
**Jurisdiction:** EE  
**Canonical dossier:** https://whiteintel.dev/entity/a59f36c8-8a1b-536b-8be3-9079c9045035  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a59f36c8-8a1b-536b-8be3-9079c9045035  

## Ownership & control

### Holdings / subsidiaries

- **Cross-Stone Invest OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/f69544b8-7d0f-5370-be37-28e2215ae273
- **K.K.Invest OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/c209ddaf-3291-582a-a2d7-36dfa3f9b090
- **BALTIC COMMERCE OÜ** (beneficial owner) — https://whiteintel.dev/entity/92669bcf-1a7c-555b-b2e8-1c981aec9468
- **Cross-Stone Invest OÜ** (beneficial owner) — https://whiteintel.dev/entity/f69544b8-7d0f-5370-be37-28e2215ae273
- **K.K.Invest OÜ** (beneficial owner) — https://whiteintel.dev/entity/c209ddaf-3291-582a-a2d7-36dfa3f9b090

## Provenance

- estonia_ariregister — https://avaandmed.ariregister.rik.ee/

## 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 **Arthur Mattias Koppel** — https://whiteintel.dev/entity/a59f36c8-8a1b-536b-8be3-9079c9045035 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Arthur Mattias Koppel**. Human view: https://whiteintel.dev/entity/a59f36c8-8a1b-536b-8be3-9079c9045035 · Structured JSON: https://whiteintel.dev/api/public/dossier/a59f36c8-8a1b-536b-8be3-9079c9045035._

_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"._