kubell Co Ltd, formerly Chatwork Co Ltd, is a Japan-based company engaged in the provision of business communication tools developed in-house and sales agent of security software. The Company operates in two segments. The Chatwork segment is mainly engaged in the development and provision of business chat tool Chatwork. It is also engaged in the provision of advertising service and various services using Chatwork as a service platform. The sgement also develops and provides cloud storage services, such as Secure SAMBA. The Security segment purchases and sells security software. The Security Segment is engaged in the purchases and sales of security software. The Company’s sales site uses web advertisement and affiliate programs to attract customers and sell software.