GMO Internet Group Inc, formerly GMO Internet Inc, is engaged in Internet infrastructure business, Internet advertising and media business, Internet finance business, crypto asset business and incubation business. The Company operates through five segments. The Internet Infrastructure segment is engaged in domain business, cloud hosting business, electronic commerce (EC) support business, security business, and access business. The Internet Advertising and Media segment is engaged in Internet advertising business, Internet media business, and Internet research business. The Internet Finance segment provides financial instruments trading services such as online securities trading services and foreign exchange margin trading services. The Crypto Asset segment is engaged in the business related to crypto asset exchange and mining. The Incubation segment invests in unlisted companies, mainly Internet-related companies. The Company is also engaged in the mobile entertainment business.