---
title: "Jaak Mässak — Ownership Dossier"
canonical: https://whiteintel.dev/entity/f2aaf712-2f27-5ac2-b61f-a39f3cce1d2f
json: https://whiteintel.dev/api/public/dossier/f2aaf712-2f27-5ac2-b61f-a39f3cce1d2f
jurisdiction: EE
source: WhiteIntel corporate-ownership graph
---

# Jaak Mässak

**Type:** Person  
**Jurisdiction:** EE  
**Canonical dossier:** https://whiteintel.dev/entity/f2aaf712-2f27-5ac2-b61f-a39f3cce1d2f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/f2aaf712-2f27-5ac2-b61f-a39f3cce1d2f  

## Ownership & control

### Holdings / subsidiaries

- **MidEst Põld OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/a716aaa2-a4f8-53d9-841a-2a77086e0818
- **Mittetulundusühing Järvamaa Ratsaspordi Klubi** (Juhatuse liige) — https://whiteintel.dev/entity/fbfdd9cd-eff9-5274-9647-dc0dd741172c
- **odralane OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/2a722655-b506-5189-bc6b-b19c8ee2f598
- **Osaühing Koordi Tallid** (Juhatuse liige) — https://whiteintel.dev/entity/2887a3ff-6388-5e79-b043-f12900a0d180
- **OÜ MidEst Trade** (Juhatuse liige) — https://whiteintel.dev/entity/b545463d-1f78-5b9b-8d44-207bd84a1ef4
- **MidEst Põld OÜ** (beneficial owner) — https://whiteintel.dev/entity/a716aaa2-a4f8-53d9-841a-2a77086e0818
- **Mittetulundusühing Järvamaa Ratsaspordi Klubi** (beneficial owner) — https://whiteintel.dev/entity/fbfdd9cd-eff9-5274-9647-dc0dd741172c
- **odralane OÜ** (beneficial owner) — https://whiteintel.dev/entity/2a722655-b506-5189-bc6b-b19c8ee2f598
- **OÜ MidEst Trade** (beneficial owner) — https://whiteintel.dev/entity/b545463d-1f78-5b9b-8d44-207bd84a1ef4

## 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 **Jaak Mässak** — https://whiteintel.dev/entity/f2aaf712-2f27-5ac2-b61f-a39f3cce1d2f · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Jaak Mässak**. Human view: https://whiteintel.dev/entity/f2aaf712-2f27-5ac2-b61f-a39f3cce1d2f · Structured JSON: https://whiteintel.dev/api/public/dossier/f2aaf712-2f27-5ac2-b61f-a39f3cce1d2f._

_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"._