Published by analysis firm Lünendonk, the annual "IT consulting and system integration" ranking lists companies that generate more than 60% of their sales revenues from management and IT consulting, system integration, and software development and rollout in Germany. In this segment, adesso became the top German IT service provider, coming behind Accenture, Capgemini, and IBM.

Press release
adesso Germany becomes the largest IT service provider, according to the 2025 Lünendonk list
adesso SE became the highest-ranked IT service provider from Germany in the latest Lünendonk list for "IT Consulting and System Integration" 2025 for the first time in its history. This exciting news underlines the strong growth momentum and resilience of the Dortmund-based company in a challenging economic environment. Thanks to a sales growth of 15%, which was well above the average figure of 3.4% for the 25 largest IT consulting and system integration companies in the list, adesso rose from sixth place in 2024 to fourth place in the ranking. With domestic sales of EUR 1.07 billion, adesso has a clear lead over German competitors such as MSG (EUR 968.1 million) and Materna (EUR 580 million) and is well ahead of them in the most crucial German provider ranking for IT service providers.
“The top position among German IT service providers in the current Lünendonk list is a major milestone for us. It confirms that, with our long-term strategy for organic growth, we are on the right track to become one of the leading IT consultancies for industry-specific business processes in Europe,” says Mark Lohweber, CEO of adesso SE. “The fact that we improved once again in a year marked by cautious investment is testament to our customer relationships, the innovative strength of our teams and our focus on pioneering technologies.”

Mark Lohweber is CEO of adesso SE. (Source: adesso)
adesso Germany still plans to make targeted investments in artificial intelligence (AI) and GenAI, consulting and services within the SAP environment, managed services, and the expansion of industry-specific IT solutions. adesso SE is also continuing to promote talent and develop new technology and innovation partnerships.
“We are keen both to set technological standards and to provide strategic impetus for the digitalization of our customers. We are also looking beyond Germany's borders in order to help shape Europe’s sovereign IT transformation,” adds Lohweber.
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