About Sotheby's Concierge Auctions Sotheby’s Concierge Auctions is the world’s largest luxury real estate auction marketplace, with a state-of-the-art digital marketing, property preview, and bidding platform. The firm matches sellers of one-of-a-kind homes with some of the most capable property connoisseurs on the planet. Sellers gain unmatched reach, speed, and certainty. Buyers receive curated opportunities. Agents earn their commission in 30 days. In November 2021, the firm was acquired by Sotheby’s, the world’s premier destination for fine art and luxury goods, and Realogy Holdings Corp., the largest full-service residential real estate services company in the United States, holding a joint 80 percent ownership stake. Sotheby’s Concierge Auctions continues to operate independently, partnering with real estate agents affiliated with many of the industry's leading brokerages to host luxury auctions for clients. Since Sotheby’s Concierge Auctions’ inception in 2008, it has generated billions of dollars in sales, broken world records for the highest-priced homes ever sold at auction and conducted auctions in 46 U.S. states and 32 countries. The firm owns one of the most comprehensive and intelligent databases of high-net-worth real estate buyers and sellers in the industry, and it has committed to build more than 300 homes through its Key For Key® giving program in partnership with Giveback Homes™, which guarantees that for every property the company sells, a new home is funded for a family in need. For more information, visit CASothebys.com.