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TIS sales & customer service


You are interested in our products and services?

Find the right contact here.


Are you TIS customer looking for support for your hardware or software from TIS?

Our colleagues will be glad to help you.


Find our
service information
for download here.

Our sales team is looking forward to assist you!

If you do not reach our employees directly, please contact our


+49 2871 2722 - 0

Office hours

Monday - Friday

8 am - 5 pm

General sales contact

Mike Ahlmann | TIS GmbH

Mike Ahlmann

Team Leader Sales

+49 2871 2722 - 13

Fabian Bielefeld | TIS GmbH

Fabian Bielefeld

Sales Department

+49 2871 2722 - 50

Tobias Enge | Vertrieb der TIS GmbH

Tobias Enge


+49 2871 2722 - 27

Partnermanager Peter Hochwald | TIS GmbH

Peter Hochwald

Sales Department / Office & Hardware Specialist/ Partner Manager

+49 2871 2722 - 63

Oliver Krahmer | Vertrieb TIS GmbH

Oliver Krahmer

Sales & Project Management with emphasis on long-distance traffic

+49 2871 2722 - 38

Daniel Schlütter | TIS GmbH

Daniel Schlütter

Sales Department/ Customer Care

+49 2871 2722 - 92

Software & hardware support for customers

Customer Service

If you already are a TIS customer and have questions or problems with our hardware or software, please do not hesitate to contact us. Our support team will be happy to assist you!


Hardware & Software support via phone

+49 2871 2722 - 90

Service hours

Monday - Friday

7 am - 5 pm


E-mail Support Software

For service requests to our software support, please contact:

E-mail Support Hardware

For repair & service requests to our hardware services, please contact:

Abteilungsleiter SW Support Guido Elsinghorst | TIS GmbH

Guido Elsinghorst

Team Leader Software Support

+49 2871 2722 - 90

Access to our early morning standby service or to 24/7 support is available via special agreement.

Our software & hardware services

Find more information about the software and hardware services offered by TIS.


More information on our customer services can be found in our service brochure for download.

TIS Customer Services Info Sheet

Custom-tailored services of TIS GmbH for business customers

Online information about our services


7.34 MB