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With our Application Management Service (AMS), we take care of the daily tasks involved in the operation of our customers' platform solutions - especially with regard to global ServiceNow® platforms. 

Our cross-project expertise and maximum transparency in our approach are the basis for a successful and trusting partnership.

With Service Management as a Service (SMaaS) we take care of the daily tasks in the operative IT service management of our customers.

This way we make your internal staff available to work on important projects and urgent changes, while you can rely on a reliable service management basis.

In an increasingly data-driven world, the classic methods and tools for handling IT operations are no longer sustainable.

With our IT Operations Management services, we support our customers in modernizing and transforming their IT operations and help them to reach the next level of automation.

With our services in the area of Project Portfolio Management (PPM), we support our customers in better aligning their project management with the corporate strategy and in making project work more efficient overall - regardless of whether it is carried out according to classic or agile approaches. 

Our experienced employees will lead you, detached from rigid theory and individual frameworks, to a modern Enterprise Service Management.

Our experts in Enterprise Solutions support your transformation to digitized service processes based on the market-leading Enterprise Service Management platform ServiceNow. We help you from the definition of the roadmap through the solution architecture and successful implementation to the stable application management and operation in a DevOps approach.

We help our customers to meet the constantly growing requirements for compliance, data protection and information security with appropriate concepts, processes, services and technical solutions. In doing so, we consider both your possibilities and framework conditions as well as the formal requirements.

We put our customers in a position to anchor the right and affordable measures in the organization from the multitude of possible and necessary measures.

With our experienced management consultants from the Future Service Enablement division, we develop our own answers to the Enterprise Service Management of the future and help our customers to profitably use the possibilities and advantages of digitization in their own business and service processes.

With the combined expertise of experienced consultants and educational professionals, we offer digital learning formats that are tailored to your needs. These include interactive learning experiences, knowledge nuggets and context-specific learning formats.


No positive corporate development without digitisation. Thus, the impact dimensions of the digitisation are at the same time the presently relevant corporate impact dimensions.

Our Management Team

The iTSM Consulting GmbH as parent company of the soundly growing iTSM Group, was founded in the year 2000. The group of companies is one of the established business consultancies, which supports national and international customers on all levels in orienting their organisation in a performance-optimising manner and measuring and efficiently controlling their corporate and IT processes in accordance with clear quality criteria.

The control of the iTSM Group, including its associated companies takes place at various levels.

The iTSM Group Leadership Board

The Leadership Board, under the chairmanship of Mr. Siegfried Riedel, CEO, is responsible for the strategical orientation and further development of the group of companies. The decisional focus lies above all on the strategical portfolio expansion, the development of a high-value partner network, the valorisation of new business areas, as well as the successful implementation of the iTSM Group strategy.

Besides Siegfried Riedel, the iTSM Group Leadership Board includes Sebastian Biebl, Christian Rauch as well as Thomas Röhr.

Siegfried Riedel - Chief Executive Officer

Since the year 2000, the founder and majority share holder, Siegfried Riedel, has been responsible for the strategical orientation of the itSM Group. As Chief Executive Officer of the group, he is significantly shaping the continual and sustainable growth of the group, together with the iTSM Group Leadership Board.

After his Business education as wholesale and export businessman and as organisation programmer, Siegfried Riedel was employed between 1987 and 2001 in a leading mortgage bank. Lastly, as a senior director, he was responsible for the decentralised systems and user support worldwide. His focus already resided at that time on the introduction of IT Service Management processes and the implementation of complex technical projects in the ITSM environment.

iTSM Group Board Structure

The control of the operative and tactical business within the group falls to a series of group-wide responsible boards. With different emphases and under the participation of the respective responsible persons from the individual companies, these boards control the operative business in the most important business areas. The respective chairmanship is held in this context by elected members of the iTSM Group Leadership Board.

Responsibilities within the Companies

In the participating companies, the respective managers, as well as the heads of the individual Business Units are responsible for the daily service providing for our customers. In addition, the competence for the further development of the respective service portfolio, as well as ensuring a high service quality in our projects and the achievement of an Excellence in the respective consulting approaches, services and products also falls to the Business Unit Heads.

Our Professional Expertise

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