Google is a company.
A conglomerate is the combination of two or more corporations engaged in entirely different businesses that fall under one corporate group , usually involving a parent company and many subsidiaries . Google is an American multinational technology company specializing in Internet-related services and products . They incorporated Google as a privately held company on September 4 , 1998 . Google , Alphabet 's leading subsidiary , will continue to be the umbrella company for Alphabet 's Internet interests . The company leads the development of the Android mobile operating system , the Google Chrome web browser , and Chrome OS , a lightweight operating system based on the Chrome browser .