Chatwork

Software DevelopmentTokio, Japan51-200 Employees

Chatwork is a group chat platform that helps global teams communicate, collaborate, and improve productivity. The service combines secure messaging, video chat, task management, and file sharing, and it is available in five languages. It serves more than 206,000 companies across a wide range of industries and is headquartered in Osaka, Japan, with teams in Tokyo and Taipei.

The platform is part of Kubell's portfolio, and recent developments include the launch of Chatwork Invoice Receipt, a cloud-based invoice processing service. In 2026, Kubell announced plans to acquire Atena and integrate its digital postal services into its BPaaS lineup, expanding the scope of its offerings that already include accounting and labor management services.

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