---
title: "Karel Piiroja — Ownership Dossier"
canonical: https://whiteintel.dev/entity/63e44596-6c71-52a2-9f32-dd487b67c8d2
json: https://whiteintel.dev/api/public/dossier/63e44596-6c71-52a2-9f32-dd487b67c8d2
jurisdiction: EE
source: WhiteIntel corporate-ownership graph
---

# Karel Piiroja

**Type:** Person  
**Jurisdiction:** EE  
**Canonical dossier:** https://whiteintel.dev/entity/63e44596-6c71-52a2-9f32-dd487b67c8d2  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/63e44596-6c71-52a2-9f32-dd487b67c8d2  

## Ownership & control

### Holdings / subsidiaries

- **OP Systems OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/88b45aac-f3c9-57f4-813d-fd749016a094
- **OP Systems OÜ** (beneficial owner) — https://whiteintel.dev/entity/88b45aac-f3c9-57f4-813d-fd749016a094
- **Webzero OÜ** (beneficial owner) — https://whiteintel.dev/entity/828358e7-2218-59ed-a7e8-cc3e1c45617e

## 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 **Karel Piiroja** — https://whiteintel.dev/entity/63e44596-6c71-52a2-9f32-dd487b67c8d2 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Karel Piiroja**. Human view: https://whiteintel.dev/entity/63e44596-6c71-52a2-9f32-dd487b67c8d2 · Structured JSON: https://whiteintel.dev/api/public/dossier/63e44596-6c71-52a2-9f32-dd487b67c8d2._

_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"._