---
title: "Tiit Siiboja — Ownership Dossier"
canonical: https://whiteintel.dev/entity/0c41a544-9374-5d8b-bd41-db093ce88b99
json: https://whiteintel.dev/api/public/dossier/0c41a544-9374-5d8b-bd41-db093ce88b99
jurisdiction: EE
source: WhiteIntel corporate-ownership graph
---

# Tiit Siiboja

**Type:** Person  
**Jurisdiction:** EE  
**Canonical dossier:** https://whiteintel.dev/entity/0c41a544-9374-5d8b-bd41-db093ce88b99  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/0c41a544-9374-5d8b-bd41-db093ce88b99  

## Ownership & control

### Holdings / subsidiaries

- **mittetulundusühing Hobunduskoolitus** (Juhatuse liige) — https://whiteintel.dev/entity/7755b6de-ed93-5dec-aa60-43237bba3d68
- **Osaühing Wauter Trade** (Juhatuse liige) — https://whiteintel.dev/entity/ee9304cc-a56f-564e-a7bf-1e41c01c9b6d
- **osaühing Winfred** (Juhatuse liige) — https://whiteintel.dev/entity/22d90dfc-b00d-5773-8097-814d4eebd315
- **OÜ MINIMIX GROUP** (Juhatuse liige) — https://whiteintel.dev/entity/c6095247-6382-5fa5-8b2f-fdacc11ad830
- **mittetulundusühing Hobunduskoolitus** (beneficial owner) — https://whiteintel.dev/entity/7755b6de-ed93-5dec-aa60-43237bba3d68
- **Osaühing Poseidon Foods** (beneficial owner) — https://whiteintel.dev/entity/f2d76525-eb3c-5c39-99e3-8ddcdcd5183f
- **Osaühing Wauter Trade** (beneficial owner) — https://whiteintel.dev/entity/ee9304cc-a56f-564e-a7bf-1e41c01c9b6d
- **osaühing Winfred** (beneficial owner) — https://whiteintel.dev/entity/22d90dfc-b00d-5773-8097-814d4eebd315
- **OÜ MINIMIX GROUP** (beneficial owner) — https://whiteintel.dev/entity/c6095247-6382-5fa5-8b2f-fdacc11ad830

## 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 **Tiit Siiboja** — https://whiteintel.dev/entity/0c41a544-9374-5d8b-bd41-db093ce88b99 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Tiit Siiboja**. Human view: https://whiteintel.dev/entity/0c41a544-9374-5d8b-bd41-db093ce88b99 · Structured JSON: https://whiteintel.dev/api/public/dossier/0c41a544-9374-5d8b-bd41-db093ce88b99._

_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"._