---
title: "Magus Sidrun Koogila OÜ — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ad2486fc-e6dd-5953-af24-a5c3f2e5e2f2
json: https://whiteintel.dev/api/public/dossier/ad2486fc-e6dd-5953-af24-a5c3f2e5e2f2
identifier: ee-regcode:16551127
jurisdiction: EE
source: WhiteIntel corporate-ownership graph
---

# Magus Sidrun Koogila OÜ

**Type:** Company  
**Jurisdiction:** EE  
**Identifier:** `ee-regcode:16551127`  
**Canonical dossier:** https://whiteintel.dev/entity/ad2486fc-e6dd-5953-af24-a5c3f2e5e2f2  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ad2486fc-e6dd-5953-af24-a5c3f2e5e2f2  

## Registry profile

- **Status:** Registrisse kantud  
- **Legal form:** `Osaühing`  
- **Source:** Estonian e-Business Register (RIK)  

## Ownership & control

### Owners / controllers

- **Kaarel Grünberg** (beneficial owner) — https://whiteintel.dev/entity/81ea48aa-9ffe-513a-8c70-457f0c19c97c
- **Triin Grünberg** (beneficial owner) — https://whiteintel.dev/entity/ef3c4872-7a04-576b-8768-4f2fb942f538

### UBO chain (walk to the ultimate owner)

A **4-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Provenance

- estonia_ariregister — https://ariregister.rik.ee/est/company/16551127

## 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 **Magus Sidrun Koogila OÜ** — https://whiteintel.dev/entity/ad2486fc-e6dd-5953-af24-a5c3f2e5e2f2 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Magus Sidrun Koogila OÜ**. Human view: https://whiteintel.dev/entity/ad2486fc-e6dd-5953-af24-a5c3f2e5e2f2 · Structured JSON: https://whiteintel.dev/api/public/dossier/ad2486fc-e6dd-5953-af24-a5c3f2e5e2f2._

_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"._