Sera Systems

Sera Systems is a Dallas-based SaaS company that builds field service management (FSM) software for HVAC, plumbing, and electrical contractors. Founded in 2018 by longtime HVAC and plumbing contractor Billy Stevens, Sera combines scheduling, dispatching, invoicing, memberships, and financial reporting into one platform designed to raise contractors' operating margins. The company markets a measurable outcome: boosting customers' operating margins by more than 40% within six months. In May 2023 it closed an eight-figure Series B round funded entirely by home-service business owners.