Houlihan Lokey Advises Stellex

Transaction: Stellex Capital Management - Durr Clean Technology Systems

Houlihan Lokey is pleased to announce that Stellex Capital Management (Stellex) has entered into an agreement to acquire the Clean Technology Systems Environmental (CTS) division of Dürr Group (XTRA:DUE). The transaction is subject to standard approvals and expected to close in the fourth quarter of 2025.

With offices in New York, London, Pittsburgh, and Detroit, Stellex is a private equity firm with more than $5 billion in assets under management. Stellex seeks to identify and deploy capital in opportunities that stand to benefit from its operationally focused and hands-on approach to investing. Its portfolio companies are supported by Stellex’s industry knowledge, operating capabilities, network of senior executives, strategic insights, and access to capital.

The Dürr Group is one of the world’s leading mechanical and plant engineering firms, with particular expertise in the technological aspects of automation, digitalisation, and energy efficiency. Dürr Group’s CTS division specialises in the design and manufacturing of exhaust air purification technology and sound insulation systems, which are used in various end markets, including chemicals, odour control, and automotive. In 2024, the CTS division generated €407 million in sales and employed around 1,300 people. The business operates in 16 locations across 12 countries worldwide.

Under Stellex’s ownership, the environmental technology business is well-positioned to expand its leadership in air purification technology and sound insulation systems, benefitting from operational resources to support the expected international growth.

Dr. Sebastian Baumann, Head of the CTS division, said: “We can look back on a successful development in the environmental technology business and are convinced that we can develop our potential even better as an independent company. With Stellex at our side, new opportunities for growth and innovation are opening up, both in our established business areas and in pioneering technology fields, such as carbon capture and heat storage.”

Houlihan Lokey served as the exclusive financial buyside advisor and financing advisor to Stellex.

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