CompStak

compstak.com

CompStak uses a crowd-sourced model to gather real estate information for investors, brokers, asset managers, and appraisers. CompStak's wedge into the market is a platform for the exchange of commercial lease comps. Brokers, landlords, appraiser, and researchers use their site and submit comps on completed commercial lease transactions. It was founded in 2011 and headquartered in New York, United States.