C. D. Büttner Sicherheitstechnik has installed fire detection, intrusion and video systems across Germany for over forty-five years from Hamburg and eight regional branches. 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 for fire and security system services. The group also operates its own Notruf- und Serviceleitstellen for alarm receiving and remote diagnostics.