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Mizuho Information & Research Institute

A Japanese research, consulting, systems integration, and outsourcing company that operated within Mizuho Financial Group until its 2021 merger into Mizuho Research & Technologies.

Last updated August 24, 2026

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Overview

Mizuho Information & Research Institute was a Japanese information technology, consulting, and research company belonging to Mizuho Financial Group. Its activities combined the capabilities typically associated with a corporate research institute and those of a technology services provider. The company supported corporations and other organizations through consulting, systems integration, outsourcing, economic and policy research, data analysis, and related information services. The company was established on October 1, 2004, when three Mizuho Financial Group-owned organizations—DKB Information Systems, Fuji Research Institute Corporation, and IBJ Systems Ltd.—were merged. The consolidation brought together technology and research capabilities inherited from the group’s principal predecessor institutions. In practice, this gave Mizuho a dedicated platform for developing and operating information systems while also providing analytical and advisory services to corporate and institutional clients. Its business scope extended beyond conventional software development. The organization worked on system planning, implementation, maintenance, and outsourcing, alongside research concerning economic conditions, public policy, business environments, and social or industrial issues. These activities reflected the role of a financial-group-affiliated research and technology company: it could contribute to internal group operations while also delivering consulting and technology services to external organizations. Mizuho Information & Research Institute was particularly associated with systems integration and outsourced information-processing services. Such work can include designing enterprise systems, connecting applications and data environments, supporting operational continuity, and managing technology functions on behalf of clients. Its consulting and research work complemented these technical activities by helping organizations assess business challenges, regulatory or policy developments, and opportunities to improve corporate value. The company reported approximately 4,700 employees as of 2017, indicating a substantial operating scale within Japan’s financial and business-services technology sector. It remained a Mizuho group company until 2021. On October 1, 2021, Mizuho Information & Research Institute merged with Mizuho Research Institute to create Mizuho Research & Technologies. The merger ended Mizuho Information & Research Institute as a separate corporate entity and combined technology, research, and consulting capabilities under the successor organization. Its historical functions therefore continued in reorganized form rather than disappearing from the Mizuho group.

History

Mizuho Information & Research Institute was created as part of the organizational consolidation of Mizuho Financial Group’s research and information-technology capabilities. The company began operations on October 1, 2004, following the merger of DKB Information Systems, Fuji Research Institute Corporation, and IBJ Systems Ltd. These predecessor organizations were all owned by Mizuho Financial Group, and their combination created a larger platform covering both technology delivery and research-oriented advisory work. The resulting company operated at the intersection of information technology, consulting, and economic or policy research. Its technology activities included systems development, systems integration, and outsourcing. These services enabled corporations and institutions to plan, build, operate, and maintain information systems, while outsourced services allowed clients to transfer selected technology or information-processing functions to a specialist provider. The company also advised organizations on issues connected with business performance and corporate value. The research side of the business supported analysis of economic, policy, industrial, and social questions. This work complemented the organization’s technology services and reflected its position within a major financial group. Rather than functioning only as an IT contractor, Mizuho Information & Research Institute combined analytical expertise with implementation capabilities. It could therefore contribute to strategy and policy analysis as well as to the practical deployment and operation of systems. By 2017, the company had approximately 4,700 employees. This scale placed it among the significant Japanese corporate technology and research organizations associated with a financial institution. Its principal operating base and market were in Japan, where it served Mizuho-related activities and other corporate or institutional clients. The company’s separate history concluded in 2021. On October 1 of that year, Mizuho Information & Research Institute merged with Mizuho Research Institute. The combined organization was named Mizuho Research & Technologies. The transaction brought together the former company’s systems, consulting, outsourcing, and technology capabilities with the research-oriented activities of Mizuho Research Institute. Consequently, Mizuho Information & Research Institute is best understood as a predecessor organization of Mizuho Research & Technologies rather than an active standalone brand.

  • 2021

    Merger into Mizuho Research & Technologies

    [1]

    On October 1, Mizuho Information & Research Institute merged with Mizuho Research Institute to establish Mizuho Research & Technologies.

  • 2017

    Reported workforce of approximately 4,700

    [1]

    Reference material reported that the company had approximately 4,700 employees as of 2017.

  • 2004

    Formation through three-company merger

    [1]

    Mizuho Information & Research Institute was formed on October 1 through the merger of DKB Information Systems, Fuji Research Institute Corporation, and IBJ Systems Ltd., all Mizuho Financial Group companies.

Products and positioning

A financial-group-affiliated Japanese research and technology services provider combining consulting, research, systems integration, and outsourcing.

  • Business consulting

    Consulting services

    The company provided consulting intended to help corporations and other organizations address management, operational, technology, and policy-related issues. Its advisory role was linked to improving organizational performance and corporate value, and was supported by the company’s research and systems capabilities.

  • Information technology services

    Systems integration

    Systems integration was a core part of the company’s technology business. It covered the design and implementation of information systems and the coordination of software, infrastructure, applications, and data needed by corporate and institutional users.

  • Managed and outsourced services

    IT outsourcing

    Mizuho Information & Research Institute supplied outsourcing services in which clients could delegate selected information-technology or information-processing functions to the company. These services complemented systems development and integration by supporting ongoing operation and maintenance.

  • Research and analysis

    Economic and policy research

    The research function covered economic, policy, industrial, and broader social or business questions. Its findings could inform corporate planning, public-policy analysis, and advisory engagements, distinguishing the organization from a pure technology implementation vendor.

Brand decisions

  • 2021

    Merger with Mizuho Research InstituteM&A

    Background

    Mizuho Financial Group sought to combine the capabilities of its information-technology and research organizations.

    Action taken

    Mizuho Information & Research Institute merged with Mizuho Research Institute on October 1, forming Mizuho Research & Technologies.

    Aftermath

    Mizuho Information & Research Institute ceased to operate as a separate company, while its technology, consulting, outsourcing, and research capabilities were transferred into the successor organization.

  • 2004

    Consolidation of Mizuho technology and research capabilitiesM&A

    Background

    Mizuho Financial Group owned three relevant predecessor organizations: DKB Information Systems, Fuji Research Institute Corporation, and IBJ Systems Ltd.

    Action taken

    The three organizations were merged on October 1, creating Mizuho Information & Research Institute.

    Aftermath

    The merger established a larger group platform combining information-technology services with consulting and research.

Recent events

  • 2021

    Mizuho Information & Research Institute and Mizuho Research Institute merge to form Mizuho Research & Technologies[1]

    M&A · Leadership change · Other

    Mizuho Information & Research Institute merged with Mizuho Research Institute on October 1, 2021. The transaction created Mizuho Research & Technologies and ended the former company’s existence as a standalone Mizuho group entity.

Sources1 sources

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