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§ Private Profile · New York City, NY, USA
Crowdsourced commercial real estate data platform offering lease transaction and market analytics for CRE professionals.
CompStak is a commercial real estate data platform based in New York City that operates a crowdsourced marketplace for lease transactions, property comparisons, and market analytics. The company provides subscription-based data services to industry professionals, enabling brokers, asset managers, appraisers, and landlords to access transparent property information for deal execution. Operating with a workforce of over 100 employees across multiple offices, the enterprise processes millions of crowdsourced data points weekly to track commercial real estate trends. The organization has raised $79 million in total funding to date, securing capital from prominent institutional investors and strategic corporate partners including IA Capital, Canaan Partners, RealPage, and Moody's. To support its ongoing expansion, the firm maintains additional operational hubs in Los Angeles, Chicago, Atlanta, and Belgrade. CompStak was founded in 2012 by Michael Mandel and Vadim Belobrovka.
CompStak has raised $78.0M across 7 funding rounds.
CompStak has raised $78.0M in total across 7 funding rounds.
CompStak has raised $78.0M in total across 7 funding rounds.
CompStak's investors include Pete Chung, Canaan Partners, Flexcap, Founder Collective, General Catalyst, Revolution Growth, Vinyl Capital, Mitchell Steir, Ryan Simonetti, Crow Holdings, IA Capital Group, Mitsui Fudosan.
CompStak has raised $78.0M across 7 funding rounds. Most recently, it raised $50.0M Series C in November 2021.
CompStak is a leading crowdsourced commercial real estate (CRE) data and analytics platform that provides granular lease comps, sale comps, property information, loan data, and advanced analytics tools.[1][2][7] It serves brokers, investors, asset managers, banks, lenders, appraisers, and consultants by solving the problem of opaque, hard-to-access CRE transaction data through a network of 30,000 professionals who contribute in exchange for platform access, enabling real-time market insights, benchmarking, portfolio analysis, and faster decision-making.[2][3][4] With coverage across 105 US markets, 4 million comps received, and 4 million properties tracked, CompStak drives transparency and efficiency in CRE, powering tools like custom reports, AI-driven forecasting, and integrations for underwriting and market strategy.[1][7]
The platform's growth momentum is evident in its trusted partnerships with giants like Wells Fargo, Tishman Speyer, Moody's, and integrations such as with NAR's Realtors Property Resource, alongside expansions into strategic advisory services and APIs for enterprise workflows.[3][6]
CompStak was founded in 2011 (with some sources noting a 2012 launch) in New York City by Michael Mandel (CEO) and Vadim Belobrovka (CTO).[2][4][6][9] Mandel, a former NYC commercial real estate broker who graduated from Babson College in 2005, identified the inefficiencies in CRE data sharing—where vital comps were siloed or unavailable—and built CompStak to crowdsource and standardize this information for broader access.[4] Belobrovka, with a BS in Computer Engineering from Columbia University and expertise in functional programming and data science, engineered the technical backbone.[4]
The idea emerged from Mandel's brokerage frustrations, evolving into a robust platform handling millions of weekly data points verified by data scientists. Early traction came from building a contributor network of CRE professionals, leading to nationwide coverage and adoption by top investors and lenders.[1][3][4]
CompStak stands out in the CRE tech space through these key strengths:
CompStak rides the CRE digitization and data transparency wave, capitalizing on post-pandemic shifts toward data-driven real estate decisions amid volatile markets, remote work, and rising AI adoption in proptech.[1][4] Its timing is ideal as CRE grapples with opacity in transactions—where traditional sources lag—enabling professionals to navigate interest rate hikes, hybrid workspaces, and sustainability demands with granular, real-time comps.[2][7]
Market forces like institutional investor demand for ESG-integrated analytics and regulatory pushes for transparency favor CompStak's model, influencing the ecosystem by standardizing data (e.g., NAR integration) and empowering smaller brokers via accessible tools, thus democratizing insights and accelerating deals industry-wide.[3][6]
CompStak is poised for expansion through deeper AI/ML integrations, global reach beyond the US, and strategic acquisitions advisory to cement its role as CRE's indispensable data hub.[6][7] Trends like generative AI for predictive modeling and blockchain for data provenance will shape its trajectory, potentially evolving it into a full-stack proptech powerhouse amid CRE's $20T+ market. As data becomes the ultimate CRE currency, CompStak's crowdsourced edge will amplify its influence, turning opaque markets into efficient, transparent arenas for all players—fulfilling its founding vision of faster, better deals.[4]