---
title: "Siiri Võlu-Tiganik — Ownership Dossier"
canonical: https://whiteintel.dev/entity/fb676c95-e874-5a38-b01d-ad62ae4b0e02
json: https://whiteintel.dev/api/public/dossier/fb676c95-e874-5a38-b01d-ad62ae4b0e02
jurisdiction: EE
source: WhiteIntel corporate-ownership graph
---

# Siiri Võlu-Tiganik

**Type:** Person  
**Jurisdiction:** EE  
**Canonical dossier:** https://whiteintel.dev/entity/fb676c95-e874-5a38-b01d-ad62ae4b0e02  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/fb676c95-e874-5a38-b01d-ad62ae4b0e02  

## Ownership & control

### Holdings / subsidiaries

- **Aprilius OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/20f626ba-5888-56bc-bb4d-bb66a17b9ada
- **OSAÜHING HANSA MEDICAL** (Juhatuse liige) — https://whiteintel.dev/entity/a8c6b167-d8f3-596e-8cfd-3c577bf974c1
- **Aprilius OÜ** (beneficial owner) — https://whiteintel.dev/entity/20f626ba-5888-56bc-bb4d-bb66a17b9ada
- **Medical24 OÜ** (beneficial owner) — https://whiteintel.dev/entity/5aac6398-c2a6-5ebd-800e-4bcac0553ada
- **OptimumOpus OÜ** (beneficial owner) — https://whiteintel.dev/entity/8d85865c-6a69-56e4-ad6c-1f0a7c8e169a
- **OSAÜHING HANSA MEDICAL** (beneficial owner) — https://whiteintel.dev/entity/a8c6b167-d8f3-596e-8cfd-3c577bf974c1
- **SB Partnerid OÜ** (beneficial owner) — https://whiteintel.dev/entity/114300f4-a242-5561-b3ab-b0d4a93be97e

## 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 **Siiri Võlu-Tiganik** — https://whiteintel.dev/entity/fb676c95-e874-5a38-b01d-ad62ae4b0e02 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Siiri Võlu-Tiganik**. Human view: https://whiteintel.dev/entity/fb676c95-e874-5a38-b01d-ad62ae4b0e02 · Structured JSON: https://whiteintel.dev/api/public/dossier/fb676c95-e874-5a38-b01d-ad62ae4b0e02._

_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"._