We are a privately held company in St. Louis, MO.

CertaSite is a fire protection company providing comprehensive life safety solutions in St. Louis. From fire sprinkler installation and repair to fire alarm system inspections, fire extinguisher maintenance and security monitoring, we simplify compliance- so you can focus on running your business. Our expert team ensures your business meets all fire codes and safety regulations while delivering unmatched reliability. Whether you need routine life safety inspections, emergency fire suppression s...

CertaSite is a fire protection company providing comprehensive life safety solutions in St. Louis. From fire sprinkler installation and repair to fire alarm system inspections, fire extinguisher maintenance and security monitoring, we simplify compliance- so you can focus on running your business. Our expert team ensures your business meets all fire codes and safety regulations while delivering unmatched reliability. Whether you need routine life safety inspections, emergency fire suppression support, or a proactive maintenance program, CertaSite has you covered. With 24/7 emergency response and national account support, we provide seamless protection for your people and property.