---
title: "Joonas Kartsep — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4de90031-e07f-58e3-a14e-cb4002ed4d6b
json: https://whiteintel.dev/api/public/dossier/4de90031-e07f-58e3-a14e-cb4002ed4d6b
jurisdiction: EE
source: WhiteIntel corporate-ownership graph
---

# Joonas Kartsep

**Type:** Person  
**Jurisdiction:** EE  
**Canonical dossier:** https://whiteintel.dev/entity/4de90031-e07f-58e3-a14e-cb4002ed4d6b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4de90031-e07f-58e3-a14e-cb4002ed4d6b  

## Ownership & control

### Holdings / subsidiaries

- **Kart Invest OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/c019b10c-5cca-5be8-8f3c-e4c1d96dad78
- **Kartjon Invest OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/72d1cac5-ef9f-556a-a303-3a47fff274f5
- **Matter Holding OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/41eb43c2-f102-5e43-b4f1-9695380d5a4a

## 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 **Joonas Kartsep** — https://whiteintel.dev/entity/4de90031-e07f-58e3-a14e-cb4002ed4d6b · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Joonas Kartsep**. Human view: https://whiteintel.dev/entity/4de90031-e07f-58e3-a14e-cb4002ed4d6b · Structured JSON: https://whiteintel.dev/api/public/dossier/4de90031-e07f-58e3-a14e-cb4002ed4d6b._

_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"._