A 22-strong fire engineering partnership founded in Wuppertal in 1996, with a Würzburg office since 1999, running a dedicated expert-opinion practice alongside its concept and plan-checking work. Its gutachterliche Stellungnahmen service line expressly covers court expert reports, evidence procedures, damage and causation analysis, building defects, bauaufsichtliche procedures and technical support in criminal and civil proceedings. Both equity partners hold named state credentials: Dipl.-Ing. Stefan Rassek has been a staatlich anerkannter Sachverständiger für die Prüfung des Brandschutzes in Nordrhein-Westfalen and a Prüfsachverständiger für Brandschutz in Bayern since 2011 and a Prüfingenieur für Brandschutz since 2021, and Dipl.-Ing. Matthias Dietrich has held the NRW recognition since 2005 and the Bavarian appointment since 2007.