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Japanese IT services company established in 1966 as Japan's first independent software specialist firm.

Last updated September 10, 2026

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Overview

CAC is a Japanese company established in 1966 as Japan's first independent software specialist firm. It provides AI, system development, system operation, HR/payroll BPO, DX support, and industry-specific solutions. In 2014 it moved to a holding company structure, splitting into CAC Holdings and the operating company CAC.

History

CAC was established on August 8, 1966 as Kabushiki Kaisha Computer Applications (CAC), described as Japan's first independent software specialist company. The founder was Shigeru Okubo. In 1994, CAC, SSK, and SUC merged to form Kabushiki Kaisha CAC. In 2000, the company listed on the First Section of the Tokyo Stock Exchange. In 2005, it moved its headquarters to Nihonbashi-Hakozakicho, Chuo-ku, Tokyo. In 2014, it transitioned to a holding company structure, splitting into holding company CAC Holdings and operating company CAC.

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