---
title: "Sergei Buzak — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b9ba540c-f132-5171-b796-e34596ccfdfa
json: https://whiteintel.dev/api/public/dossier/b9ba540c-f132-5171-b796-e34596ccfdfa
jurisdiction: EE
source: WhiteIntel corporate-ownership graph
---

# Sergei Buzak

**Type:** Person  
**Jurisdiction:** EE  
**Canonical dossier:** https://whiteintel.dev/entity/b9ba540c-f132-5171-b796-e34596ccfdfa  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b9ba540c-f132-5171-b796-e34596ccfdfa  

## Cross-source identity

The same real-world entity, resolved across sources:

- **SERGEI BUZAK** — ICIJ Offshore Leaks · `icij:icijol-56104562` — https://whiteintel.dev/entity/e13ed7fe-b8d3-530b-aa0f-aebffdf82ec2

## Ownership & control

### Holdings / subsidiaries

- **Adhit Media OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/15628ecb-e198-5990-8e0b-e3fb6c0820ff
- **NPS OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/e182590e-a990-5a95-bcdb-fbfc408c909e
- **OÜ CSC Telecom Estonia** (Juhatuse liige) — https://whiteintel.dev/entity/4586c083-11ca-530d-ba3d-f634c569964c
- **Revaltex Group OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/60089415-8ebe-52f7-bb6c-fc527064c4ca
- **Signitico OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/8205a1c4-5b85-506c-8cef-6e03e7ad97c5
- **Adhit Media OÜ** (beneficial owner) — https://whiteintel.dev/entity/15628ecb-e198-5990-8e0b-e3fb6c0820ff
- **NPS OÜ** (beneficial owner) — https://whiteintel.dev/entity/e182590e-a990-5a95-bcdb-fbfc408c909e
- **Revaltex Group OÜ** (beneficial owner) — https://whiteintel.dev/entity/60089415-8ebe-52f7-bb6c-fc527064c4ca
- **Signitico OÜ** (beneficial owner) — https://whiteintel.dev/entity/8205a1c4-5b85-506c-8cef-6e03e7ad97c5

## 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 **Sergei Buzak** — https://whiteintel.dev/entity/b9ba540c-f132-5171-b796-e34596ccfdfa · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Sergei Buzak**. Human view: https://whiteintel.dev/entity/b9ba540c-f132-5171-b796-e34596ccfdfa · Structured JSON: https://whiteintel.dev/api/public/dossier/b9ba540c-f132-5171-b796-e34596ccfdfa._

_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"._