A fire-engineering office led by a fire-protection professor and inspection engineer, preparing and reviewing fire-protection concepts, performing fire and evacuation simulation, structural-fire analysis and risk/sensitivity analysis for complex buildings and events. Principal Prof. Dr. Kathrin Grewolls is publicly appointed and sworn as a Sachverständige through the IHK Ulm and is a Prüfingenieurin für Brandschutz recognised by the Sächsisches Staatsministerium für Regionalentwicklung, producing court-instructed Gerichtsgutachten alongside private expert reports.