Who we are
itmX GmbH is a medium-sized software and consulting company that has specialized in end-to-end processes in the areas of marketing, sales and service for more than 20 years. The innovative solutions inspire our customers from the manufacturing industry, construction suppliers and trade. In addition to the itmX CRM suite, itmX offers holistic process consulting from strategy planning and an initial proof of concept to individual design, implementation and operation of the software.
itmX is a subsidiary of NTT DATA Business Solutions, a leading global SAP consultancy with over 9,500 employees and offices in 25 countries. The parent company of both companies is NTT DATA, a leading provider of business and IT solutions with over 123,000 employees worldwide.
What we burn for
Stefan Eller
MANAGING DIRECTOR
“My goal is to help other people – employees and customers alike – to develop positively. Values such as trust, appreciation and mindfulness are the pillars of my actions.”
Michael Stump
MANAGING DIRECTOR
“Satisfied customers don’t come by themselves. With a motivated team that knows what customer satisfaction means, I want to accompany you on the path to digitization and turn you into enthusiastic fans. Because only those who are enthusiastic themselves can inspire others!”
Holger Kunzmann
MANAGING DIRECTOR
“Sustainable success can only be achieved together. This includes our employees and customers alike! That is why professionalism, the working atmosphere and responsible cooperation in all our internal and external projects are very close to my heart.”
Stefan Eller
MANAGING DIRECTOR
“My goal is to help other people – employees and customers alike – to develop positively. Values such as trust, appreciation and mindfulness are the pillars of my actions.”
Michael Stump
MANAGING DIRECTOR
“Satisfied customers don’t come by themselves. With a motivated team that knows what customer satisfaction means, I want to accompany you on the path to digitization and turn you into enthusiastic fans. Because only those who are enthusiastic themselves can inspire others!”
Holger Kunzmann
MANAGING DIRECTOR
“Sustainable success can only be achieved together. This includes our employees and customers alike! That is why professionalism, the working atmosphere and responsible cooperation in all our internal and external projects are very close to my heart.”
Our values
We want to create sustainable added value. This refers to the positive development of employees and customers. Because only joint successes enrich.

The itmX-team – this is who we are!
Sustainability commitment at itmX
Who we are
itmX GmbH is a medium-sized software and consulting company that has specialized in end-to-end processes in the areas of marketing, sales and service for more than 20 years. The innovative solutions inspire our customers from the manufacturing industry, construction suppliers and trade. In addition to the itmX CRM suite, itmX offers holistic process consulting from strategy planning and an initial proof of concept to individual design, implementation and operation of the software.
itmX is a subsidiary of NTT DATA Business Solutions, a leading global SAP consultancy with over 9,500 employees and offices in 25 countries. The parent company of both companies is NTT DATA, a leading provider of business and IT solutions with over 123,000 employees worldwide.