CompStak is a commercial real estate data and analytics company that provides detailed lease information contributed by a network of industry professionals. Accessed through its website, https://compstak.com/, the platform offers tools that allow users to freely exchange lease comps in a crowd-sourced model. CompStak's database is robust, featuring millions of lease records from markets across the United States. It serves a variety of users, including appraisers, asset managers, brokers, and researchers, who benefit from real-time and precise data to make informed decisions. CompStak's technology and services emphasize transparency and accuracy in commercial real estate data, aiming to enhance market understanding and efficiency.