---
title: "Johannes Wilhelmus Gerardus Maas — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4b14528f-e5e9-56fe-9fc0-b3d16e760cb2
json: https://whiteintel.dev/api/public/dossier/4b14528f-e5e9-56fe-9fc0-b3d16e760cb2
identifier: oo-person:GB-COH-PER-OC403575-JQ0z_YCqWFJcfUfCNKD4jMhlZ_Y
jurisdiction: NL
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Johannes Wilhelmus Gerardus Maas

**Type:** Person  
**Jurisdiction:** NL  
**Identifier:** `oo-person:GB-COH-PER-OC403575-JQ0z_YCqWFJcfUfCNKD4jMhlZ_Y`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4b14528f-e5e9-56fe-9fc0-b3d16e760cb2  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4b14528f-e5e9-56fe-9fc0-b3d16e760cb2  

## Ownership & control

### Holdings / subsidiaries

- **MAAS TAX & LAW LLP** (beneficial owner) — 50% — https://whiteintel.dev/entity/4bdd999e-2a4d-5753-a428-4893c9a7a388

## Provenance

- OpenOwnership — https://www.openownership.org

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Johannes Wilhelmus Gerardus Maas**. Human view: https://whiteintel.dev/entity/4b14528f-e5e9-56fe-9fc0-b3d16e760cb2 · Structured JSON: https://whiteintel.dev/api/public/dossier/4b14528f-e5e9-56fe-9fc0-b3d16e760cb2._

_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"._