---
title: "Jaanus Tamm — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b88b34b5-434d-5dd2-80a0-997c19e384cd
json: https://whiteintel.dev/api/public/dossier/b88b34b5-434d-5dd2-80a0-997c19e384cd
jurisdiction: EE
source: WhiteIntel corporate-ownership graph
---

# Jaanus Tamm

**Type:** Person  
**Jurisdiction:** EE  
**Canonical dossier:** https://whiteintel.dev/entity/b88b34b5-434d-5dd2-80a0-997c19e384cd  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b88b34b5-434d-5dd2-80a0-997c19e384cd  

## Ownership & control

### Holdings / subsidiaries

- **1SIZEFITSALL OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/eea439f3-4ca5-5988-b63c-283a0843e45a
- **Atalanta Systems OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/bfc0cde0-0367-51c5-bc68-36f85a24f4e5
- **CyberNorth Batch-1 OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/8a2f2275-323d-5e56-9415-9452cacfa4fe
- **Defsecintel Solutions OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/e9deb7ab-02f6-55fe-9f4e-797f80922086
- **DSIProjects OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/61e9a167-df8c-5835-8a9f-9a96c3061904
- **DSIS Industries OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/71562677-1baf-5673-a40a-91872391f712
- **DSISOperations OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/ee8e3fd9-7597-552d-a501-bff4aa248e98
- **JT Advisors OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/959de15e-c84b-54f7-b52e-41783653e23e
- **JT Ventures OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/fb53b654-b54d-5167-b588-c6bcc8cc1aab
- **OÜ QHS-Power Solutions** (Juhatuse liige) — https://whiteintel.dev/entity/dd373144-bfec-5293-9636-b909260c62b8
- **Sirentech Solutions OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/86a82400-1a53-5b4b-8fae-74a56764c237
- **Smartdust Technologies OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/a4393747-c284-5476-9438-842b33e32709

…and **13** more subsidiaries/holdings. Resolve the full list with `get_dossier` on the WhiteIntel MCP (`npx -y @whiteintel/mcp-server`) or a one-off dossier — https://whiteintel.dev/pricing.

## 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 **Jaanus Tamm** — https://whiteintel.dev/entity/b88b34b5-434d-5dd2-80a0-997c19e384cd · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Jaanus Tamm**. Human view: https://whiteintel.dev/entity/b88b34b5-434d-5dd2-80a0-997c19e384cd · Structured JSON: https://whiteintel.dev/api/public/dossier/b88b34b5-434d-5dd2-80a0-997c19e384cd._

_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"._