---
title: "Upmane-Holšteine Māra — Ownership Dossier"
canonical: https://whiteintel.dev/entity/53f9264b-e194-5f51-a482-9c9d37d564d9
json: https://whiteintel.dev/api/public/dossier/53f9264b-e194-5f51-a482-9c9d37d564d9
jurisdiction: LV
source: WhiteIntel corporate-ownership graph
---

# Upmane-Holšteine Māra

**Type:** Person  
**Jurisdiction:** LV  
**Canonical dossier:** https://whiteintel.dev/entity/53f9264b-e194-5f51-a482-9c9d37d564d9  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/53f9264b-e194-5f51-a482-9c9d37d564d9  

## Ownership & control

### Holdings / subsidiaries

- **SIA "Astro Music"** (board member) — https://whiteintel.dev/entity/c7890138-3d88-5588-b2a8-690ce07690f3
- **Sabiedrība ar ierobežotu atbildību "GRAMMSI"** (board member) — https://whiteintel.dev/entity/bdfe9154-6854-5b38-8780-eeb035145911
- **SIA "Astro Music"** (member) — https://whiteintel.dev/entity/c7890138-3d88-5588-b2a8-690ce07690f3
- **AS KALE SPACE** (shareholder) — https://whiteintel.dev/entity/a56fd573-9d59-5d33-b922-a842aede18d6

## Provenance

- latvia_ur — https://data.gov.lv/dati/dataset/4de9697f-850b-45ec-8bba-61fa09ce932f

## 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 **Upmane-Holšteine Māra** — https://whiteintel.dev/entity/53f9264b-e194-5f51-a482-9c9d37d564d9 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Upmane-Holšteine Māra**. Human view: https://whiteintel.dev/entity/53f9264b-e194-5f51-a482-9c9d37d564d9 · Structured JSON: https://whiteintel.dev/api/public/dossier/53f9264b-e194-5f51-a482-9c9d37d564d9._

_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"._