our customers
We might tell a lot about us, but we prefer to have our customers do so. If you want to ask them, drop us a line so we can share contact details.

“Overall, i am extremely satisfied with the IT service providers performance. I would recommend them without hesitation.“
Oliver Harperscheidt, IT-Manager
Autohaus Herten Gruppe

“The 400 School has relied upon RZKH.de for IBM i services and support for decades. We lease a partition for our class students for use during the classes … We rely upon the System being available for our students to log on.RZKH support is fabulous. Immediate response for all our questions. We love RZKH!„
Dan Riehl, President
The 400 School.com

“Thanks for your patience with me and my questions“
Chris Chambers, CEO
Backbeat solutions