Mizuho Information and Research Institute

Mizuho Information & Research Institute, Inc. (みずほ情報総研株式会社, Mizuho Jōhō Sōken Kabushiki Kaisha) is a Japanese information technology company that provides systems integration supported by outsourcing, and consulting in the field of IT strategy, security, science, environment, and society. It has 4,049 employees (2007).

It was formed by the merging of DKB Information Systems, Fuji Research Institute Corporation, and IBJ Systems Ltd. (all owned by Mizuho Financial Group) on October 1, 2004.