OTC was established in 1973 in Osaka. Branch offices were opened in Tokyo in 1982 and Nagoya in 1988.

Since 1973, OTC has been supporting its client companies in fostering the development of their employees as global business people.
OTC provides various English-language services to a wide range of companies in Japan. It mainly conducts corporate English classes for company employees at their place of work.

Our client companies are major Japanese enterprises. They include many of Japan's largest firms. Their lines of business include general trading, electronics, engineering, chemical manufacturing, pharmaceuticals, insurance, and food production to name a few.

OTC English courses are tailored to clients' needs and requests. In general, the types of courses are regular courses (weekly or bi-weekly), private lessons and intensive courses. OTC plans and designs training programs to provide the most suitable courses to our clients.

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