ABB Completes Acquisition of Specialtrasfo

ABB announces the completion of its acquisition of Specialtrasfo S.p.A., an Italy-based manufacturer of specialized medium voltage transformers, including converter and rectifier transformers. The acquisition includes three production sites in Italy and over 130 employees. In 2025, the company
generated revenues of approximately 80 million euros, with ABB representing around half through its integrated offering. The transaction was announced on May 12, 2026, and financial terms were not disclosed.

The increase in global electricity demand1 is a key driver for the growing need for transformers, a critical component in industrial power conversion. By acquiring Specialtrasfo, ABB strengthens its extensive portfolio with converter and rectifier transformers, whilst Specialtrasfo will continue to serve its existing customers as a transformer supplier. This increases supply chain resilience to meet customer needs across a wide variety of industries including energy, metals, mining, industrial processing and offshore applications.

“The global energy transition requires proven, scalable and reliable solutions” said Joerg Stutz, Business Line Manager, High Power Solutions, ABB. “By combining the expertise of Specialtrasfo in specialized transformers with that of ABB’s leadership in electric drives and motors, our customers are supported through the entire life-cycle as we provide a single, accountable partner for the design and supply of key components and solutions into critical applications.” Together, ABB and Specialtrasfo will deliver an integrated offering supporting industries’ motoric and non-motoric critical applications. This includes medium voltage transformers, medium and low voltage variable speed drives, high speed and slow speed synchronous motors and generators, switchgear, and custom e-houses.

(Source: ABB Ltd.)