Since 2017, adesso also has an office in the Dreiländereck , in the north of Switzerland. Today, it has more than 50 employees. Basel is considered the cultural capital of Switzerland and is also known as the heart of the Swiss pharmaceutical industry.

adesso's offices are located next to the Basel SBB train station. Zurich and Bern can be reached by train in one hour, Lausanne in 2.5 hours and Lugano in 3 hours. Its proximity to Germany and France makes it also an ideal place to discover the neighbouring countries.