kubell Co., Ltd.
Japanese company that operates the business chat service Chatwork and provides BPaaS cloud services, renamed from Chatwork Co., Ltd. to kubell Co., Ltd. on July 1, 2024.
Last updated September 16, 2026
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Overview
kubell Co., Ltd. is a Japanese company that operates the business chat service Chatwork and provides BPaaS (Business Process as a Service) cloud services. On July 1, 2024, Chatwork Co., Ltd. changed its corporate name to kubell Co., Ltd. The company describes itself as a pioneer of business chat and states that Chatwork is Japan's largest business chat service by user count. Its mission is 'to make work more fun and creative,' and its vision is to provide a platform that lets everyone advance their way of working 'one step ahead.'
History
kubell Co., Ltd. was established on November 11, 2004, with its founding dating to July 15, 2000. It was originally named EC studio, and co-founder Masaki Yamamoto started the company with his brother while still a university student. In March 2011, the company began offering the cloud-based business chat service Chatwork. In June 2018, Masaki Yamamoto became Representative Director CEO. On July 1, 2024, Chatwork Co., Ltd. changed its corporate name to kubell Co., Ltd. The company states that it has pioneered the business chat market since its earliest days and has built a culture of chat use in business in Japan, describing Chatwork as Japan's largest business chat service by user count. It positions BPaaS as its next growth pillar, aiming to transform from a business chat company into a platform provider that changes 'work' through BPaaS.
Products and positioning
A company transforming from a business chat company into a platform provider that changes 'work' through BPaaS.
Chatwork
A business chat service for small and medium-sized enterprises, positioned as a business communication tool replacing email, phone, and meetings, used by 430,000 companies as of the end of December 2023.
タクシタ
A business process outsourcing service that allows users to request back-office tasks such as accounting, labor, recruiting, and sales administration online via chat.
セキュアSAMBA
A domestic online storage service for corporations.
Chatwork 郵便受取
A cloud postal receiving service for corporations.
Sources5 sources
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