SIGMAXYZ Holdings Inc., together with its subsidiaries, engages in the consulting, investment, and M&A advisory businesses in Japan. It offers consulting services for finance, trading, transportation, telecommunications, retail, and manufacturing industries. The company also provides investment, incubation, and joint ventures establishment services; and M&A advisory services, such as financial and business turnaround advisory, due diligence, valuation, inhouse M&A systems development. In addition, it invests in stocks, bonds, etc.; manages investment vehicles; consulting services on corporate management and M&As; value-up support services; and provides electronic payment agency services, as well as various services related to financial EDI. The company was formerly known as SIGMAXYZ Inc. and changed its name to SIGMAXYZ Holdings Inc. in October 2021. SIGMAXYZ Holdings Inc. was incorporated in 2008 and is based in Tokyo, Japan.