TWOSTONE&Sons Co., Ltd. engages in the provision of information technology (IT) services. It operates through the following segments: Engineer Platform, Marketing Platform and Consulting and Advisory Services. The Engineer Platform Service segment provides opportunities for career development and peace of mind in employment, and provides its IT engineer resources in various forms that are not bound by traditional employment formats to companies that are struggling with a lack of development capabilities for IT services and IT systems. The Marketing Platform Services segment provides clients with solutions in the digital marketing field, an area in which specialize, and supports the establishment of new marketing methods in today's society, where technology is rapidly advancing. The Consulting and Advisory Services segment provides support for companies facing business growth issues, such as launching new businesses. The company was founded by Yasushi Kawabata and Katsuya Takahara on October 2, 2013 and is headquartered in Tokyo, Japan.