Siemens announced that its mobility division, Siemens Mobility, has signed an agreement to acquire several key businesses of MERMEC Group, an Italian high-tech company specializing in railway signaling, electrification, diagnostics, and measurement technologies.
The acquisition is designed to significantly strengthen Siemens Mobility’s global rail portfolio, particularly in diagnostics and measurement technologies, while also expanding the company’s signaling activities, industrial footprint, and market access in Italy. Financial terms of the transaction were not disclosed. The deal is expected to close by the end of calendar year 2026, subject to customary closing conditions.
According to Siemens, the transaction will enhance the competitiveness and resilience of its global rail infrastructure portfolio and support the company’s long-term growth strategy in the expanding railway market. The acquisition also deepens Siemens Mobility’s presence in Italy, where the integration of Siemens’ urban signaling expertise with MERMEC’s mainline rail infrastructure capabilities is expected to support the modernization and digitalization of the national rail network.
The acquisition will substantially expand Siemens Mobility’s diagnostics and asset intelligence capabilities. Customers are expected to benefit from an integrated offering that combines Siemens’ onboard and depot-based diagnostics systems with MERMEC’s portfolio of diagnostic vehicles, railway infrastructure inspection technologies, measurement systems, and analytics software. Siemens said the combined platform will create a scalable diagnostics and analytics solution with global reach through Siemens Mobility’s worldwide footprint and customer base.
As part of the transaction, MERMEC’s employees, facilities, and industrial operations will join Siemens Mobility’s global innovation ecosystem. This includes the Ferrosud site in Matera, which Siemens plans to develop into an industrial hub for next-generation diagnostics technologies. Siemens also expects to achieve meaningful synergies through cross-selling opportunities and portfolio integration, with the transaction projected to become earnings accretive on a pre-PPA basis by the second year after closing.
Founded in 1970 and headquartered in Monopoli, Italy, MERMEC Group operates across railway signaling, electrification, diagnostics, digital asset analytics platforms, and advanced inspection technologies. The businesses included in the acquisition employ around 1,700 people, serve customers in more than 70 countries, and generated approximately EUR 430 million in revenue during fiscal year 2025.
The transaction includes MERMEC’s key businesses in Italian wayside signaling, electrification, telecommunications, diagnostics, analytics, and worldwide data infrastructure. However, it excludes MERMEC’s investments in Angelstar S.r.l., Mont Saint Michel S.A.S. and its subsidiary Compagnie des Signaux S.A.S., as well as MERMEC Deutschland.
KEY QUOTES:
“By combining MERMEC’s technological expertise and market access with Siemens Mobility’s global presence and technology leadership, we are strengthening our capabilities in diagnostics, asset-intelligence and signaling capabilities. This step expands our industrial footprint in Italy within our world-leading signaling business and significantly enhances our global diagnostics portfolio.”
Michael Peter, CEO, Siemens Mobility
“Formally, I have been retired for nine months; at present, my health is not at its best, and my children are pursuing their own independent paths with their companies. For this reason, I sought a very solid group in the sector, in order to guarantee a secure future for my valued colleagues, who have contributed to making MERMEC the company it is today, wherever they may be. Becoming part of Siemens will offer them a global environment, strongly focused on innovation and sustainable growth. The transaction will help me invest in the other companies within my industrial holding, as well as contribute to the growth of businesses in Southern Italy that need to develop and create new high-quality employment.”
Vito Pertosa, President, Angelo Holding
