---
title: "Rein Must — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a75c111b-cc7c-5cd6-b7fb-e305458de073
json: https://whiteintel.dev/api/public/dossier/a75c111b-cc7c-5cd6-b7fb-e305458de073
jurisdiction: EE
source: WhiteIntel corporate-ownership graph
---

# Rein Must

**Type:** Person  
**Jurisdiction:** EE  
**Canonical dossier:** https://whiteintel.dev/entity/a75c111b-cc7c-5cd6-b7fb-e305458de073  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a75c111b-cc7c-5cd6-b7fb-e305458de073  

## Ownership & control

### Holdings / subsidiaries

- **IHASTE KV OÜ** (Juhatuse liige) — https://whiteintel.dev/entity/c8f2e974-f877-552c-b64f-c95b5f54a9e2
- **OÜ Decora Ehitus** (Juhatuse liige) — https://whiteintel.dev/entity/d5a20834-cc56-52a1-959e-b141c076b7fc
- **OÜ Decora Ehitus** (beneficial owner) — https://whiteintel.dev/entity/d5a20834-cc56-52a1-959e-b141c076b7fc
- **Ujula KV OÜ** (beneficial owner) — https://whiteintel.dev/entity/1d8e901b-72bb-514f-826b-37c8c52306ea

## 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 **Rein Must** — https://whiteintel.dev/entity/a75c111b-cc7c-5cd6-b7fb-e305458de073 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Rein Must**. Human view: https://whiteintel.dev/entity/a75c111b-cc7c-5cd6-b7fb-e305458de073 · Structured JSON: https://whiteintel.dev/api/public/dossier/a75c111b-cc7c-5cd6-b7fb-e305458de073._

_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"._