In 1996, Michael Marks and Don Faybrick founded Perennial Software, Inc. after working on software applications for security companies for nearly a decade. Soon thereafter they began the development of SedonaOffice, which was formally introduced in January 2000 and has since become the #1 Financial Software for Security Companies with over 60 of the SDM100 companies as clients.

Throughout the sales process many small to mid-size companies were not quite ready to make the jump to SedonaOffice. Perennial Software saw a need in the market and AlarmBiller began to take shape in 2012. In January 2014 AlarmBiller, the #1 Billing Solution for Security Dealers was launched.

Meet Our Team

Today, Perennial Software has over 40 full-time employees and continues to provide all development and support services in-house. We pride ourselves on the quality of our team members. Today we are committed more than ever to provide the best-in-class software solutions for security companies.

Meet our team


Over the past 15 years we have seen many changes to the security industry and we foresee many changes to come. We pride ourselves in our ability to stay ahead of the latest technologies and continuously evolving to not only meet but exceed our customers’ expectations.