Founded in 1962, Gibson Sothebys International Realty deals with the sale and purchase of residential and commercial properties. The firm specializes in condominiums, town houses, lots, land, and multifamily and single-family homes. It undertakes various market research and analysis programs. Gibson Sothebys International Realty provides consulting, strategy development and design services. The firm additionally offers relocation services and mortgage payment estimations. It supports American Food Bank, Milton Foundation for Education and St. Judes Children s Hospital. Gibson Sothebys International Realty is a part of Sothebys International Realty, which provides a range of real estate and brokerage services to its clients. Gibson Sothebys International Realty maintains a presence in Boston.