---
title: "Margus Tamm — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4a5190e2-8fce-5d50-97c3-1e9a1ea8fd78
json: https://whiteintel.dev/api/public/dossier/4a5190e2-8fce-5d50-97c3-1e9a1ea8fd78
jurisdiction: EE
source: WhiteIntel corporate-ownership graph
---

# Margus Tamm

**Type:** Person  
**Jurisdiction:** EE  
**Canonical dossier:** https://whiteintel.dev/entity/4a5190e2-8fce-5d50-97c3-1e9a1ea8fd78  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4a5190e2-8fce-5d50-97c3-1e9a1ea8fd78  

## Ownership & control

### Holdings / subsidiaries

- **Explotech Global OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/81c0349f-0ae8-5d52-93f9-0d7798100c43
- **Explotech Group OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/0ea7ad27-3eeb-54a0-9b54-983c42f76116
- **Explotech Narva OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/73223487-ec58-57bb-a90a-e99858d625dc
- **Explotech OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/f319bb1c-8da7-586a-8b21-b2f9b5dca2f7
- **Halud.ee OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/c6aa1ec2-01b0-5103-89f7-442392b21ba8
- **Portiaz Digital Finance Group OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/a5c59b1c-109c-5657-9a3a-81358eed4986
- **Concrete Highways OÜ** (beneficial owner) — https://whiteintel.dev/entity/22d86312-e462-5cd4-a69a-590cd20ca93c
- **Explotech Global OÜ** (beneficial owner) — https://whiteintel.dev/entity/81c0349f-0ae8-5d52-93f9-0d7798100c43
- **Explotech Group OÜ** (beneficial owner) — https://whiteintel.dev/entity/0ea7ad27-3eeb-54a0-9b54-983c42f76116
- **Explotech Narva OÜ** (beneficial owner) — https://whiteintel.dev/entity/73223487-ec58-57bb-a90a-e99858d625dc
- **Explotech OÜ** (beneficial owner) — https://whiteintel.dev/entity/f319bb1c-8da7-586a-8b21-b2f9b5dca2f7
- **Halud.ee OÜ** (beneficial owner) — https://whiteintel.dev/entity/c6aa1ec2-01b0-5103-89f7-442392b21ba8

## 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 **Margus Tamm** — https://whiteintel.dev/entity/4a5190e2-8fce-5d50-97c3-1e9a1ea8fd78 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Margus Tamm**. Human view: https://whiteintel.dev/entity/4a5190e2-8fce-5d50-97c3-1e9a1ea8fd78 · Structured JSON: https://whiteintel.dev/api/public/dossier/4a5190e2-8fce-5d50-97c3-1e9a1ea8fd78._

_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"._