SIGMAXYZ Holdings Inc., together with its subsidiaries, engages in the consulting, investment, and M&A advisory businesses in Japan. It operates through the Consulting and Investment segments. The company provides consulting services related to corporate management and M&A, as well as to support corporate digital transformation for finance, trading, transportation, telecommunications, retail, and manufacturing industries. It also engages in projects supporting the introduction of SaaS core systems; procurement, design, development, and maintenance of enterprise systems; and investment in stocks and debentures. 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.