---
title: "Humberto Zezulka Machado — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e93cd65c-4477-5c9f-9cb0-7a87d04b27ab
json: https://whiteintel.dev/api/public/dossier/e93cd65c-4477-5c9f-9cb0-7a87d04b27ab
jurisdiction: EE
source: WhiteIntel corporate-ownership graph
---

# Humberto Zezulka Machado

**Type:** Person  
**Jurisdiction:** EE  
**Canonical dossier:** https://whiteintel.dev/entity/e93cd65c-4477-5c9f-9cb0-7a87d04b27ab  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e93cd65c-4477-5c9f-9cb0-7a87d04b27ab  

## Ownership & control

### Holdings / subsidiaries

- **4Ads Tech OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/b31dc779-5e1e-5358-80ac-1059088f4227
- **ActiveView OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/cfe423ba-1746-5cb3-8d70-fc5cef9b5be7
- **AdFox Holding OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/53224684-17e9-5750-9fa8-d91d48f82cc1
- **AppView OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/be760e59-3613-5645-9e08-a57e52933fb9
- **CreditStacker OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/4564d8bf-350a-58d5-a57e-b3fb3aa96e48
- **EchoNews OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/d13021b5-641e-5f6f-8a45-d9d0cdac20fd
- **IansTech OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/c007191e-598f-5153-9fbe-f494f25b75a0
- **MDA AdTech OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/d7e8107d-c330-5b6f-8a40-988587a91911
- **PubViews OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/59c1e372-ea69-5756-bd46-e439e5469e7c
- **Synaptica OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/44c2b0e2-1865-5422-8f28-04cc0b256558
- **VZ AdTech OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/2a6ad3a7-ff4e-5359-8058-7718b994e499
- **4Ads Tech OÜ** (beneficial owner) — https://whiteintel.dev/entity/b31dc779-5e1e-5358-80ac-1059088f4227

…and **9** 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 **Humberto Zezulka Machado** — https://whiteintel.dev/entity/e93cd65c-4477-5c9f-9cb0-7a87d04b27ab · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Humberto Zezulka Machado**. Human view: https://whiteintel.dev/entity/e93cd65c-4477-5c9f-9cb0-7a87d04b27ab · Structured JSON: https://whiteintel.dev/api/public/dossier/e93cd65c-4477-5c9f-9cb0-7a87d04b27ab._

_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"._