---
title: "Marko Virkebau — Ownership Dossier"
canonical: https://whiteintel.dev/entity/98c71ff4-3308-5441-bce1-9f132ed30386
json: https://whiteintel.dev/api/public/dossier/98c71ff4-3308-5441-bce1-9f132ed30386
jurisdiction: EE
source: WhiteIntel corporate-ownership graph
---

# Marko Virkebau

**Type:** Person  
**Jurisdiction:** EE  
**Canonical dossier:** https://whiteintel.dev/entity/98c71ff4-3308-5441-bce1-9f132ed30386  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/98c71ff4-3308-5441-bce1-9f132ed30386  

## Ownership & control

### Holdings / subsidiaries

- **Altenburg OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/00570147-9d9e-5c06-98e8-a82a96e50f18
- **Marhen OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/155050ce-d988-5da3-9605-92c7c030a4ca
- **Marko Capital OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/9aad79b6-1757-5c42-bc8e-15e2b586a86c
- **OÜ Stargate Hydrogen** (Juhatuse liige) — https://whiteintel.dev/entity/c167bf40-cfae-541f-9fa1-020be3aa7a64
- **OÜ Stargate Hydrogen Solutions** (Juhatuse liige) — https://whiteintel.dev/entity/1b330c76-e3aa-5b13-a10d-c61c2ad3654f
- **Sirbi investeeringud OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/3490caf4-f661-5f0d-b04c-576785715310
- **SPM Advisory OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/e0006478-dd54-5cfa-aeff-f6ae16387013
- **Altenburg OÜ** (beneficial owner) — https://whiteintel.dev/entity/00570147-9d9e-5c06-98e8-a82a96e50f18
- **Marhen OÜ** (beneficial owner) — https://whiteintel.dev/entity/155050ce-d988-5da3-9605-92c7c030a4ca
- **Marko Capital OÜ** (beneficial owner) — https://whiteintel.dev/entity/9aad79b6-1757-5c42-bc8e-15e2b586a86c
- **SPM Advisory OÜ** (beneficial owner) — https://whiteintel.dev/entity/e0006478-dd54-5cfa-aeff-f6ae16387013

## 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 **Marko Virkebau** — https://whiteintel.dev/entity/98c71ff4-3308-5441-bce1-9f132ed30386 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Marko Virkebau**. Human view: https://whiteintel.dev/entity/98c71ff4-3308-5441-bce1-9f132ed30386 · Structured JSON: https://whiteintel.dev/api/public/dossier/98c71ff4-3308-5441-bce1-9f132ed30386._

_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"._