Its founder, Masatoshi Kumagai, is now among the wealthiest in Japan with an estimated net worth of more than $1 billion as of June 2020.

[5] The company operates under the corporate slogan of "Internet for Everyone" and offers employee benefits such as a 24-hour staff canteen which provides free meals, childcare facilities, and so on.

The multi-media company changed its name to interQ Inc. (インターキュー株式会社, IntāKyū Kabushiki-gaisha) in November 1995 and shifted its focus to the provision of Internet and service infrastructure.

[7] It changed its name again in April 2001 to Global Media Online, Inc. (グローバルメディアオンライン株式会社, Gurōbaru Media Onrain Kabushiki-gaisha) and then again on June 1, 2005 to GMO Internet, Inc. (GMOインターネット株式会社, GMO Intānetto Kabushiki-gaisha) before it began using its current name since September 1, 2022.

In November 2013, GMO Internet acquired Gamepot, an online game company that owned Wizardry.