ADVANT Beiten Advises LUEHR FILTER on Sale to MARTIN Group

Frankfurt, 4 December 2025 – The international commercial law firm ADVANT Beiten has provided comprehensive advice to the shareholders of LUEHR FILTER GmbH, based in Stadthagen, on the sale of all shares to MARTIN GmbH für Umwelt- und Energietechnik, Munich. The transaction included LUEHR FILTER's activities in England and China. The parties have agreed not to disclose the transaction volume.

The ADVANT team headed by Dr Christof Aha had already advised LUEHR FILTER GmbH in 2021 on the sale of its 50% stake in EWK Umwelttechnik GmbH to the Swedish Valmet Group.

LUEHR FILTER GmbH has been successfully operating in the field of air and gas purification for 85 years and specialises in dry flue gas cleaning systems in particular.As a third-generation family-run business, it combines flexibility with technical expertise and, with more than 300 employees and a large number of references, is now a globally respected partner for gas purification systems in almost all branches of industry.

MARTIN GmbH für Umwelt- und Energietechnik is one of the world's leading suppliers of thermal waste treatment plants. Following the integration of LAB SA in 2022, the MARTIN Group is gaining another renowned supplier with the acquisition of LUEHR, consolidating its role as an innovative full-service provider in the field of flue gas cleaning.
 

Advisor to LUEHR Filter GmbH:
ADVANT Beiten: Dr Christof Aha, Dr Markus Ley (both lead), Mark Thönißen (all Corporate/M&A) and Christoph Heinrich (Antitrust Law).

Advisor to MARTIN GmbH:
Rödl & Partner: Patrick Satzinger and Frederic Wolff

PR
Frauke Reuther
Manager Kommunikation
ADVANT Beiten
+49 (69) 75 60 95 - 570
frauke.reuther@advant-beiten.com