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Getting in touch with the customer service of ALTERNATIVE BANK SWITZERLAND in Switzerland

Established in 1990 by a group of environmentally and socially conscious individuals, the Swiss Alternative Bank (ABS) has made it its mission to provide sustainable and ethical banking products and services. As a pioneer in sustainable investments in Switzerland, ABS also introduced the first carbon savings account, allowing clients to invest in projects aimed at reducing greenhouse gas emissions.

Today, ABS is among the leading sustainable banks in Switzerland, with over 43,000 clients and managing more than 2.3 billion Swiss francs in assets.

Based in Switzerland with its headquarters in Olten, in the canton of Solothurn, ABS also has offices in Zurich, Lausanne, and Geneva. It offers a comprehensive range of banking products and services designed to be sustainable and ethical for both individuals and businesses.

As a cooperative bank, ABS grants its clients shareholder status, giving them a say in the bank’s management.

ABS places great emphasis on customer service, providing personalized and attentive service. Clients can reach out by phone, email, or through the website, and also have the option to visit one of the bank’s offices for assistance.

Awarded several times for the quality of its customer service, ABS was ranked as the top Swiss bank for customer service by the « Handelszeitung » magazine in 2023.

Contacting ALTERNATIVE BANK SWITZERLAND in Switzerland by phone

What is the phone number for the customer service of ALTERNATIVE BANK SWITZERLAND in Switzerland?

Indeed, ALTERNATIVE BANK SWITZERLAND provides its customer service to address all your inquiries, whether it’s about your subscriptions, information about services, or any other requests. You can contact the dedicated team at 021 319 91 00, Monday to Friday from 8am to 8pm and on Saturday from 9am to 6pm.

The toll-free phone number for ALTERNATIVE BANK SWITZERLAND from Switzerland is: +41 (0)62 206 16 16

This number remains the same across Europe, ensuring uniform accessibility for clients from different countries. Feel free to dial +41 (0)62 206 16 16 to get in touch with their dedicated team, ready to assist you to the best of their abilities.


For any written correspondence with ALTERNATIVE BANK SWITZERLAND, follow these steps:

  • Access the ALTERNATIVE BANK SWITZERLAND website and click on the « Contact » button in the footer.
  • Select the relevant subject or concern from the dropdown menu.
  • Choose the appropriate sub-topic on the following page. If available, select the « Contact Us » or « Write to Us » option.
  • Fill out the electronic form with your name, email address, account number (if applicable), and a detailed description of your issue or concern.
  • Click the « Send » button to submit your email.
  • The customer service team of ALTERNATIVE BANK SWITZERLAND will review your email and strive to respond to you as soon as possible. Although the volume of emails is high, rest assured that ALTERNATIVE BANK SWITZERLAND is committed to providing exceptional customer service and to promptly and efficiently resolve your issues.

If you cannot find the online contact form, feel free to contact ALTERNATIVE BANK SWITZERLAND by phone, especially if your needs require immediate assistance.


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