Siemens acquires key businesses of Italy’s MERMEC Group
The transaction will strengthen Siemens’ global rail portfolio, with a particular focus on diagnostics and measurement technologies, while further expanding its signaling activities, industrial footprint, and market access in Italy.
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 transaction will strengthen Siemens’ global rail portfolio, with a particular focus on diagnostics and measurement technologies, while further expanding its signaling activities, industrial footprint, and market access in Italy. The parties have agreed not to disclose the financial terms of the transaction. Closing of the transaction is subject to customary conditions and is expected by the end of calendar year 2026, Siemens said in a press release.
“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,” said Michael Peter, CEO of Siemens Mobility. “This step expands our industrial footprint in Italy within our world-leading signaling business and significantly enhances our global diagnostics portfolio.”
“[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…,” said Vito Pertosa, President of Angelo Holding. “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.”

