Important: Banca Arner SA, the Swiss private bank based in Lugano, merged with GS Banque in 2019 and now operates under the name One Swiss Bank.
The Merger
On March 1, 2019, Banca Arner SA officially changed its name to One Swiss Bank following its merger with Geneva-based GS Banque. The combined entity has approximately CHF 2 billion (about $2 billion) in assets and CHF 30 million in shareholder’s equity.
Current Access
Former Banca Arner clients should access their accounts through One Swiss Bank. The Lugano branch continues to operate under the new brand, led by Jean-Jacques Schraemli (formerly part of Arner’s management), who is responsible for asset management and the Lugano operations.
One Swiss Bank Services
One Swiss Bank targets entrepreneurs and high-net-worth individuals with comprehensive private banking and asset management services. The bank operates from both Geneva and Lugano.
Historical Background
- 1984: Arner founded as an asset management company in Lugano
- 1994: Received Swiss banking license
- 2019: Merged with GS Banque, rebranded as One Swiss Bank
Contact Information
For account access or client services, contact One Swiss Bank directly through their current website or the Lugano branch location.
Note: If you are searching for “Arner Bank login” or “Banca Arner online banking,” please be aware the bank no longer operates under this name. All services have transitioned to One Swiss Bank.
Last verified: January 2026
Last Updated on January 3, 2026
URL: https://log-in.me/arner-bank-switzerland-one-swiss-bank/