CompStak operates a crowdsourced platform for commercial real estate transaction data, established in 2012. The company aggregates verified lease and sale information contributed by over 35,000 brokers, appraisers, and researchers across 105 U.S. markets, processing millions of weekly data points. This network-based model addresses a longstanding information asymmetry in commercial real estate by centralising transaction data that was previously scattered and difficult to access.
The company's product suite has evolved from its original Exchange platform to encompass CompStak One, which integrates lease comparables, sale comparables, loan data, and property information alongside analytics tools. CompStak AI represents the latest addition, layering artificial intelligence capabilities onto the verified transaction database. Institutional clients including Wells Fargo and Tishman Speyer rely on the platform for data-driven decision-making.
CompStak's model depends on data verification and quality assurance mechanisms to maintain accuracy within its crowdsourced ecosystem. The platform has generated sufficient market validation to attract coverage in major publications and secure institutional adoption across the commercial real estate sector.






