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"We really appreciate the newsletter tool because we jsut know that everything will be on point"

Christine Fröhler

Communication Consultants GmbH

"The sending of our newsletter takes only a few minutes – nevertheless it is handled in a very professional way. We are not in need of additional software and do not have to enter a long term commitment. That’s how we stay flexible. Furthermore we really appreciate the support of the attentive GTC-employees."

Martina Assenmacher

Ingram Micro Pan Europe GmbH

"The customer service gave us great advice. Now we are getting much more out of our actions, can make campaign comparisons and achieve exactly what we want."

Uwe Streb

Festina Uhren GmbH

"E-mailings created with the template editor look great. In addition, our mailings now always adapt to the size of the receivers with responsive design. Fantastic."

Edgar Augel

Stadtmobil carsharing AG

"The service at GTC leaves nothing to be desired. Also the simple operation, the evaluation and the multilingual menu is great."

Roland M. Rupp

Schweizerischer KMU Verband

"An sms will not be overlooked. Therefore, sms-mailing is our choice when it matters. With GTC, we have found a professional, with which everything runs great. And what is especially important to us is that all data remain in Germany."

Christof Korr

CreditPlus Bank AG