CoStar Group (NASDAQ: CSGP) is a global leader in commercial real estate information, analytics, online marketplaces, and 3D digital twin technology. Founded in 1986, CoStar Group is dedicated to digitizing the world’s real estate, empowering all people to discover properties, insights, and connections that improve their businesses and lives.
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; and Domain, one of Australia’s leading property marketplaces. CoStar Group’s industry-leading brands also include Matterport, a leading spatial data company whose platform turns buildings into data to make every space more valuable and accessible, STR, a global leader in hospitality data and benchmarking; Ten-X, an online platform for commercial real estate auctions and negotiated bids; and OnTheMarket, a leading residential property portal in the United Kingdom.
CoStar Group’s websites attracted over 143 million average monthly unique visitors in the third quarter of 2025, serving clients around the world. Headquartered in Arlington, Virginia, CoStar Group is committed to transforming the real estate industry through innovative technology and comprehensive market intelligence. From time to time, we plan to utilize our corporate website as a channel of distribution for material company information. For more information, visit CoStarGroup.com.
Since launching in March 2000, we have remained the market leader and the go to place for people looking for their next home to buy or place to rent. To make all those home hunters happy we’ve invested in our tech and our website, we’re constantly looking to try new things with an aim to help make home moving easier.
Home movers across the UK spend more than a billion minutes on Rightmove each month. Our website and apps receive over 150M views per month, making us one of the most top visited sites in the UK!
Helping our customers to market to the largest possible audience and to win more business is at the heart of everything we do. We offer dedicated memberships and specialist teams to support property professionals across the residential and commercial property markets, in the UK and Overseas.
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LoopNet is the most visited commercial real estate marketplace, covering For Sale and For Lease properties across all commercial property categories. With 13 million monthly unique visitors, listed properties receive unrivaled exposure to the largest CRE tenant and buyer audience.
Search or list commercial real estate on LoopNet.
LoopNet is a part of CoStar Group, Inc. and is headquartered in Arlington, VA.