Effective December 18, 2025, Hainzl Industriesysteme GmbH announced the acquisition of a majority stake in MS2 Engineering und Anlagenbau GmbH from Martin Schäfer and Martin Strohmaier, the Managing Directors and shareholders of MS2.

MS2 Engineering und Anlagenbau GmbH, founded in 2002 and based in Kirchheim/Teck, Germany, specializes in the development and commissioning of customized turnkey testing technology systems, primarily for fuel cells and electrolyzers.

HAINZL Industriesysteme GmbH, headquartered in Linz, Austria, positions itself as a technology partner and system developer for customized products, machines, and plants in the fields of automation, drive technology, and control technology.

Aquin acted as the exclusive M&A advisor to MS2 and its selling shareholders.