# CompStak

> CompStak is a New York-based commercial real estate data and analytics company that runs a crowdsourced marketplace where brokers, appraisers and researchers trade verified lease and sale comps for credits. Founded in 2012 by former broker Michael Mandel and engineer Vadim Belobrovka, it turns hard-to-find transaction details - starting rents, net effective rents, cap rates, net operating income - into structured, analyst-reviewed data used by many of the largest CRE investors, lenders and banks in the U.S.

- **Founded:** 2012
- **Headquarters:** New York, United States
- **Founders:** Michael Mandel (Co-Founder & CEO), Vadim Belobrovka (Co-Founder & CTO)
- **Team size:** 130 employees
- **Products:** CompStak Exchange, CompStak Enterprise, CompStak One, CompStak AI, Lease Comps
- **Notable:** Built a database of 1.6M+ verified lease and sale comps, Raised $50M Series C led by Morgan Stanley Expansion Capital in November 2021, Grew a contributing community of 35,000+ CRE professionals

## Products & services

- **CompStak Exchange** — A free crowdsourced marketplace where brokers, appraisers and researchers trade lease and sale comps, earning credits based on the accuracy and uniqueness of the data they contribute.
- **CompStak Enterprise** — Subscription platform delivering verified lease comps, sale comps, loan data, property information and proprietary analytics to investors, lenders, banks and asset managers.
- **CompStak One** — An out-of-the-box product bundling access to all CompStak data plus AI features such as Rent Predictor.
- **CompStak AI** — An integrated suite of AI-powered tools built on CompStak's lease, sale and property data that lets professionals discover insights, analyze markets and make data-driven decisions.
- **Lease Comps** — Granular lease transaction data including starting rent, net effective rent, free rent, tenant improvement allowance and landlord work.
- **Sale Comps** — Up-to-date sale transaction details including true buyer and seller, cap rates and net operating income.
- **Loan & Property Data** — Mortgage origination and refinance insights plus detailed property characteristics and analytics across asset classes.

## Achievements

- Built a database of 1.6M+ verified lease and sale comps
- Raised $50M Series C led by Morgan Stanley Expansion Capital in November 2021
- Grew a contributing community of 35,000+ CRE professionals
- Named to Crain's Best Places to Work five years running
- Adopted by leading institutions including Wells Fargo, Tishman Speyer, AEW, CIM and Moody's
- Launched CompStak AI in December 2025

## Latest updates

- **2025-12** — Launched CompStak AI, an integrated suite of AI-powered tools built on its lease, sale and property data.
- **2025-12** — KBRA Analytics' KCP platform integrated with CompStak to deliver CMBS credit insight to CRE market participants.
- **2021-11** — Closed $50M Series C led by Morgan Stanley Expansion Capital with Mitsui Fudosan CVC Fund and Crow Holdings.

## Links

- Website: https://compstak.com
- LinkedIn: http://www.linkedin.com/company/compstak
- Twitter/X: https://twitter.com/CompStak
- Facebook: https://www.facebook.com/CompStak

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Profile page: https://yespress.io/compstak
Published by YesPress — https://yespress.io
Last updated: 2026-07-21