Sogou Inc. American Depositary Shares, each representing one Class A Ordinary Share, also called Sogou, is a holding company, which engages in the provision of search and search-related services. Read More It also offers advertising services which enable advertisers' promotional links to be displayed on the search result pages and other properties, and third parties' internet properties. The company was founded in August 2004 and is headquartered in Beijing, China.