2019 IPO

ChatWork Stock

Group chat app

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About ChatWork Stock

ChatWork is a group chat app designed to help global teams communicate, collaborate and increase productivity. The platform includes secure messaging, video chat, task management and file sharing functionality. ChatWork, available in five languages, is used by more than 84,000 companies in 183 countries from a diverse range of industries. Founded in 2011, ChatWork is Asia’s No. 1 business chat app with headquarters in Osaka, Japan and has 60 employees based in Tokyo, Osaka, Taipei, San Francisco and Silicon Valley.

Funding History

May 2015$2.5M
January 2016$12.5M


Marketing Associate

Satoru Ishikawa

Founder & CEO

Toshi Yamamoto

Marketing Manager

Gaelen O'Connell

VP of Growth

Tomi Brooks

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