Buildium is a cloud-based property management software company that offers solutions for property managers, landlords, and real estate professionals. Its platform provides tools for accounting, maintenance management, tenant and lease tracking, and online payments. Founded by Michael Monteiro and Dimitris Georgakopoulos in Boston, Massachusetts, Buildium aimed to streamline and simplify the complexities of property management. Over the years, it has grown significantly, serving thousands of property management companies worldwide.