---
title: "Joonas Lember — Ownership Dossier"
canonical: https://whiteintel.dev/entity/95fca416-50cc-5379-bc82-d0c49c4da1a4
json: https://whiteintel.dev/api/public/dossier/95fca416-50cc-5379-bc82-d0c49c4da1a4
jurisdiction: EE
source: WhiteIntel corporate-ownership graph
---

# Joonas Lember

**Type:** Person  
**Jurisdiction:** EE  
**Canonical dossier:** https://whiteintel.dev/entity/95fca416-50cc-5379-bc82-d0c49c4da1a4  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/95fca416-50cc-5379-bc82-d0c49c4da1a4  

## Ownership & control

### Holdings / subsidiaries

- **DFW OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/c83641c8-83a0-59ce-bc69-e5838ac89ac0
- **Electrotech SMT OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/f62bc1b0-3787-593f-9a9e-5dcedfd93ef9
- **Mastrix Technologies OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/54e46431-29c4-53fb-ac4f-458756bd4b98
- **Tallinn, Kopli tn 83 korteriühistu** (Juhatuse liige) — https://whiteintel.dev/entity/7c0cba97-43ef-5853-b4e8-44b0b7686428
- **DFW OÜ** (beneficial owner) — https://whiteintel.dev/entity/c83641c8-83a0-59ce-bc69-e5838ac89ac0
- **Electrotech SMT OÜ** (beneficial owner) — https://whiteintel.dev/entity/f62bc1b0-3787-593f-9a9e-5dcedfd93ef9
- **Mastrix Technologies OÜ** (beneficial owner) — https://whiteintel.dev/entity/54e46431-29c4-53fb-ac4f-458756bd4b98

## 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 Lember** — https://whiteintel.dev/entity/95fca416-50cc-5379-bc82-d0c49c4da1a4 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Joonas Lember**. Human view: https://whiteintel.dev/entity/95fca416-50cc-5379-bc82-d0c49c4da1a4 · Structured JSON: https://whiteintel.dev/api/public/dossier/95fca416-50cc-5379-bc82-d0c49c4da1a4._

_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"._