Kubell. 

Operating within Japan, kubell Co., Ltd. delivers business communication solutions primarily focused on chat. The company's activities are organized into two distinct divisions: Chatwork and Security. The Chatwork division provides a comprehensive suite of services that complement its main messaging platform, such as efficient task management, secure file storage options, and integrated video conferencing features. In contrast, the Security segment functions as a reseller for various security software products, offers specialized consultancy services, and develops and markets SAMBA, a proprietary secure cloud storage solution. Incorporated in 2004, the enterprise changed its name from Chatwork Co.,Ltd. to kubell Co., Ltd. in June 2024 and is headquartered in Minato-ku, Japan.