Fumihiko Koyama

Cloud Ace, Inc. engages in the support service for Google Cloud Platform (GCP) from design and system installation to operation. It provides advice on getting started with GCP, managing costs, maintenance, and technical support. The firm also offers training, demos and knowledge sharing opportunities for GCP. The company was founded by Ayatoshi Yoshizumi on November 1, 2016 and is headquartered in Tokyo, Japan.

Yoshidumi Holdings KK is a company based in Tokyo, Japan that provides one-stop solutions for the implementation and development of Google Cloud Platform (GCP) and G Suite. The Japanese company's mission is to make honesty a part of their work and to achieve their vision of a world where everyone can realize their dreams using advanced technology. In 2016, they were recognized as the first GCP Premier Partner in Japan. The company was founded in 2018, and the CEO is Ayatoshi Yoshizumi.

GOGA, Inc. engages in the business of web consulting services. It offers IT (Information Technology) consulting, web site design and architecture, system design, software development, Internet service operations and others. The company was founded on May 1, 2006 and is headquartered in Tokyo, Japan.