Voucher shipping

Voucher delivered safely

  • Simple connection
  • Without investment
  • Fast and reliable shipping

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Online customer area

You can transmit your transmission documents (fax- or e-mail-draft), as well as your transmission data (detailed information and addressing of you voucher, exported from your data base) via customer area– the transmission is carried out automatically by our computing center.

Automated connections

We also carry out fully automated connections for you. At the occurrence of an event all transmission data will be transmitted to us (via FTP or e-mail). At the entrance of your data in our system, the deposited draft (Including your writing paper and standard text) will be automatically sent to a defined group of recipients.


After your vouchers have been shipped, you’ll get access to detailed information about the transmission. If you handle the shipping via website, our secured customer area gives you insight into statistics and detailed reports with many options.


Invoice dispatch

Since the law on simplifying taxes of 1 July 2011 - invoices by e-mail or internetfax can be sent from company to company, the digital signature is not required anymore.

Electronic invoicing is easy to use and saves postage costs, printing costs and shipping time. Except for the retention period all applicable laws for invoicing remain.

Your advantages

  • Save postal charges
  • Save printing costs
  • Reduce postal transport time
  • Ensure for faster payments
  • See exactly when your invoice has been sent


  • Approval: Agreement for an electronic invoice don´t have to be request. An inclusion to the terms and conditions are enough.
  • Same content standards as for printed invoices.
  • Same retention period for recipients: 10 years in the format in which they are received.

Christine Fröhler

Communication Consultants GmbH

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


Martina Assenmacher

Ingram Micro Pan Europe 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."


Uwe Streb

Festina Uhren 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."


Jürgen Klein


"GTC is our long-standing partner for sms and e-mail boradcasting and is very reliable. Thumbs up."


Edgar Augel

Stadtmobil carsharing AG

"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."


Roland M. Rupp

Schweizerischer KMU Verband

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


Christof Korr

CreditPlus Bank AG

"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."

Among our satisfied customers
Datev grossKlett-Cotta großBosch großCewe colorDHL großFestinaAachen Münchener großCosAG großDeguDent großLawinen-Warndienst Bayern großSVS großWeka großIngram großIvacare Aquatec großAmnesty International großDer deutsche Wirtschaftsbrief großCommunication Consultanst GmbH großUmwelttechnik BW
+49 (0)7 11 - 4 90 90-0
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