SERVEX Sicherheitssysteme designs, installs and maintains fire detection systems, voice alarm systems, intrusion and access control, smoke and heat exhaust systems and door hold-open devices from Ronnenberg near Hannover. VdS Schadenverhütung certifies the company as a Fachfirma nach DIN 14675 for both Brandmeldeanlagen and Sprachalarmanlagen, recognises it as a VdS Errichterunternehmen für Brandmeldeanlagen and certifies it to DIN EN 16763. It also produces fire brigade plans and organisational fire safety documentation.