msg treorbis GmbH, founded in 1999, is an SAP system house and a member of the msg group with more than 8,000 employees worldwide. As an SAP Gold Partner, msg treorbis offers holistic and cross-module SAP consulting, from implementation projects, managed services and licenses to application management and hosting, all from a single source. The focus of the work is on the optimization of business processes and the development of suitable IT strategies, regardless of whether it is a question of SAP cloud or on-premises scenarios. In particular, customers will find the right expertise in the SAP S/4HANA, Business Analytics, HR and SAP SuccessFactors solutions. As the leading provider of Variant Configuration with SAP in the D-A-CH region, companies benefit from the advantages of SAP-certified Variant Add-ons and the msg industry solution for the discrete manufacturing industry based on S/4HANA.
Our Vision and Mission
msg treorbis is one of the leading independent and owner-managed SAP service provision companies in Germany! Our mission is to free customers up to focus on their business vision by optimizing their business processes. To that end, we offer our customers independent consulting for SAP service providers.
Excellent SAP consulting with foresight and vision
We think in the dimension of competitive edges and help our customers find individual solutions that fit their specific needs. Even when faced with the most ambitious requirements, we make sure our projects meet our customer’s greatest satisfaction. We are able to do so because our experts understand the language of mid-sized companies and because we are able to transfer our know-how in a manner that generates new and valuable impulses within your company even after the project has ended. This has made us one of the first places in SAP consulting that people go for industry-independent solutions. Furthermore, our numerous locations means we enjoy close proximity to our customers.
As an SAP full service provider with decades of experience and a well-developed understanding of our customers, we combine business consulting with solution-oriented IT technology. With this as our basis, we design solutions that let our customers experience lasting added value in their business. Although we are proven specialists in system consolidation and carve-out projects, we do not simply rely on established technologies, but also pave the way to new worlds such as SAP HANA, cloud and big data. This visionary approach ensured our customers see above-average, sustained and effective cost/benefit optimization.
We are your industry-independent, mid-sized partner in the German market.
Our Values
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A people perspective
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We are passionate about our customers
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Responsibility
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Innovation
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Transparency
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Management
We put our heart and soul into making sure the actions we take are people-friendly and business-oriented...
That principle guides our management team, which acts with a sense of responsibility day after day

Stefan Dehn...
has more than 15 years experience in the software and consulting business. Prior to his employment in the consulting industry, he worked in IT and controlling in the chemical industry. His consulting focus was on finance and controlling. In 2011, Stefan Dehn took over as managing director of Plaut Deutschland GmbH, where he was responsible for consulting, sales and marketing, support and human resources. Following the merger of msg PLAUT and msg treorbis, Stefan Dehn has been Managing Director at msg treorbis since 2018.
Management
We put our heart and soul into making sure the actions we take are people-friendly and business-oriented…
That principle guides our management team, which acts with a sense of responsibility day after day.

Stefan Dehn ...
Has more than 15 years of experience in the software and consulting business. Prior to joining the consulting industry, he spent time in IT and controlling divisions within the chemical industry. Stefan Dehn has been a member of the Plaut consulting group since 2000 and has held a variety of consulting and management positions. His consulting focused on the fields of finances and controlling. In 2011, Stefan Dehn became the Managing Director of Plaut Germany and has been responsible for the fields of consulting, sales and marketing, support and HR ever since.

Holger Sievers ...
Is the Managing Director of msg PLAUT GmbH and oversees the service and finance divisions. Sievers has more than 20 years of comprehensive industry and sales experience and has proven his managerial competence time and again. Throughout his career, he has successfully brought numerous projects and business models to fruition. Sievers began his career at IBM Germany, where he held a series of high-responsibility positions in sales for insurance companies. Before switching to the msg group, he was a member of the Board of Directors of a full-service IT service provider for mid-sized companies. Within the msg group, Holger Sievers holds a dual position as Chairman of the Board of Directors of msg services ag and Managing Director of msg PLAUT GmbH.