---
title: "Janno Greenbaum — Ownership Dossier"
canonical: https://whiteintel.dev/entity/8feeb043-b79e-5a9e-a3a4-bef431a3dfbb
json: https://whiteintel.dev/api/public/dossier/8feeb043-b79e-5a9e-a3a4-bef431a3dfbb
jurisdiction: EE
source: WhiteIntel corporate-ownership graph
---

# Janno Greenbaum

**Type:** Person  
**Jurisdiction:** EE  
**Canonical dossier:** https://whiteintel.dev/entity/8feeb043-b79e-5a9e-a3a4-bef431a3dfbb  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/8feeb043-b79e-5a9e-a3a4-bef431a3dfbb  

## Ownership & control

### Holdings / subsidiaries

- **Grant Thornton Baltic Holding TÜ** (Täisosanik) — https://whiteintel.dev/entity/a3979f63-bc38-5afa-b332-cd881ca099e1
- **Grant Thornton Baltic OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/a9cfd076-bcbb-50f5-b6e2-be745abd1cf8
- **Osaühing Hengren** (Juhatuse liige) — https://whiteintel.dev/entity/a29c937a-2fba-53d9-a7a3-23c18a346e77
- **Osaühing Hengren** (beneficial owner) — https://whiteintel.dev/entity/a29c937a-2fba-53d9-a7a3-23c18a346e77

## 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 **Janno Greenbaum** — https://whiteintel.dev/entity/8feeb043-b79e-5a9e-a3a4-bef431a3dfbb · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Janno Greenbaum**. Human view: https://whiteintel.dev/entity/8feeb043-b79e-5a9e-a3a4-bef431a3dfbb · Structured JSON: https://whiteintel.dev/api/public/dossier/8feeb043-b79e-5a9e-a3a4-bef431a3dfbb._

_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"._