William Blair acted as the exclusive financial advisor to Vexcel Group, Inc. (Vexcel) in connection with its pending sale to CoStar Group, Inc. (NASDAQ: CSGP). The transaction was announced on October 27, 2026, and is expected to close in the first quarter of 2027, subject to customary closing conditions and regulatory approvals.
About the Companies
Vexcel is a leading provider of aerial imagery, geospatial data, and AI-powered digital property intelligence, serving customers in more than 45 countries, including leading global technology companies, enterprises, and government agencies. Built on decades of investment in image capture and data processing, its platform centers on a regularly refreshed global imagery library that supports insurance underwriting, catastrophe response, infrastructure planning, digital mapping, location intelligence, and AI applications.
CoStar Group is a global leader in commercial real estate information, analytics, online marketplaces, and 3D digital twin technology. CoStar Group’s major brands include CoStar, a leading global provider of commercial real estate data, analytics, and news; LoopNet, the most trafficked commercial real estate marketplace; Apartments.com, the leading platform for apartment rentals; Homes.com, the fastest-growing residential real estate marketplace; Matterport, a leading spatial data company whose platform turns buildings into data to make every space more valuable and accessible; and Zonda, a leading provider of data, analytics, software, and marketplace solutions for the residential construction industry. Based in Arlington, Virginia, CoStar Group is committed to transforming the real estate industry through innovative technology and comprehensive market intelligence.
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