CoStar Group

CoStar Group builds and operates information and analytics platforms for the real estate industry, digitizing property data and running online marketplaces. Founded in 1987, the company processes data on more than 5.9 million properties and employs over 6,500 people across 14 countries. It is publicly listed and a constituent of the S&P 500 and NASDAQ 100.

Its technical work spans real estate data and analytics, property data digitization, data processing at scale and the digital transformation of real estate markets. Product lines include Apartments.com and Homes.com in residential property, LoopNet in commercial listings, Matterport for spatial data and 3D property capture, and AcreValue for land and rural real estate data. Several of these platforms were built externally and brought in through acquisitions.

The company states its founding purpose as bringing transparency to an industry it describes as opaque, and its mission as helping professionals make better-informed decisions. Its verticals cover commercial real estate, residential real estate, land and rural real estate, and real estate information and analytics, with a global footprint.