International Sales Group is a privately held real estate sales and marketing firm headquartered in Aventura, Florida. Founded in 1994, the company specializes in providing integrated sales strategies, market research, and marketing solutions for residential and commercial real estate developments. ISG partners with developers and financial institutions to manage pre-construction and resale projects, leveraging data-driven insights and a global broker network. Over the years, the firm has been recognized for its Miami Report, an industry resource analyzing South Florida’s condominium market trends. ISG operates primarily in the U.S. and has expanded its reach internationally through strategic partnerships.