Contact us Call or write us! ATCA address: Avenue des Boveresses 44 1010 Lausanne Mail: info@atca.ch Telephone FR : +41 21 624 25 03 PL | EN | FR | DE : +41 77 988 78 87 If you have a question, write to us or use the form Make an appointment and visit our local offices Office addresses in Switzerland! Geneva: 1204 Geneva, Switzerland +41 77 988 78 87 info@atca.ch Nyon: 1260 Nyon, Switzerland +41 77 988 78 87 info@atca.ch Zug: 6300 Zug, Switzerland +41 77 988 78 87 info@atca.ch Bern: 3011 Bern, Switzerland +41 77 988 78 87 info@atca.ch Basel 4058 Basel, Switzerland +41 77 988 78 87 info@atca.ch Zurich: 8001 Zürich, Switzerland +41 77 988 78 87 info@atca.ch