Group One Sotheby's International Realty, a privately owned company founded in 1982, operates primarily in the Florida luxury real estate market. While the parent company's revenue is less than $10 million (2023), its subsidiary, ONE Sotheby's International Realty (established 2008), employs approximately 120 people at its US headquarters and has a larger network of over 1,300 agents across 30 offices in East Coast Florida. ONE Sotheby's handles a variety of properties, including waterfront estates, single-family homes, condos, and townhomes, and also facilitates sales for high-end condo developments, currently representing over $3.1 billion in inventory. The company utilizes the Sotheby's International Realty brand for international marketing reach.