Private intermediation of exceptional wine and spirits assets.
All inquiries are strictly confidential and handled under Swiss professional secrecy standards.
Our Approach
Discretion is our standard. Maison Rare Wines operates beyond the public eye. All inquiries are handled with absolute confidentiality.
Global reach. Headquartered in Switzerland, we introduce buyers and sellers across borders. Our primary communication channels are encrypted for your security.
Secure Messaging: Signal / WhatsApp (Available upon request via initial inquiry).
Email: info@maisonrarewines.com
Office: Port-Valais, Valais – Switzerland.
Hours: Monday to Friday | 09:00 – 18:00 (CET).
Introductions are by appointment only. To ensure the highest level of service, please specify your requirements by email.
Maison Rare Wines is a registered brand of Opulentia Suisse, operated by Da Costa Strategic Partner. Switzerland.
Introductions are handled confidentially and reviewed personally.
Maison Rare Wines is a discreet oenological bridge. We do not maintain a public inventory. We introduce buyers and sellers.
Maison Rare Wines acts exclusively as an intermediary. We do not provide consultancy, advisory, structuring, negotiation, due diligence or representation services. We do not receive, hold or transfer funds from third parties.
© 2026 MAISON RARE WINES. Operated by Da Costa Strategic Partner. Switzerland.