Leading global business and
manufacturing innovation through
Japanese management principles

About JMAC

The First Consulting Firm in Japan Dedicated to Supporting Economic Growth of the Nation

The history of JMAC started with the foundation of the Japan Management Association (JMA) in 1942. JMAC has been supporting economic growth of Japan by way of assisting Japanese companies.

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Founded in 1942

JMAC is Japan’s oldest, and remains one of its largest management consulting firms, with just over 300 management consulting professionals in Japan alone.

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  • 75Years Since Foundation
  • 2750Projects Each Year
  • 71of Japan's Top 100 Companies Supported
  • 58Countries Conducted Projects



As the consulting firm that contributed to the foundations of Lean/TPS and TPM®, we adopt the principles of Lean thinking in our consulting projects across all industries and processes.


Our well-versed consultants offer training programs filled with know-how on problem solving for business challenges, leveraging their consultation experience.

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JMAC currently has five subsidiaries; two in China, and one in Thailand, South Korea, and Italy respectively.
We provide services in every country by dispatching consultants from any one of our global offices.

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Global Offices

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