Star Equity Holdings, Inc. operates as a diversified multi-industry holding company in Australia, the United States, the United Kingdom, and internationally. It operates through four segments: Building Solutions, Business Services, Energy Services, and Investments. The company manufactures modular buildings, structural wall panels, engineered wood products, and glue-laminated timber for residential, commercial, and industrial markets; and distributes building materials. It also provides customized recruitment and contracting solutions, including recruitment process outsourcing (RPO), project-based RPO, contingent workforce solutions, recruitment consulting, outsourced professional contract staffing, and managed service provider services for mid-to-large multinational companies. In addition, the company engages in the manufacture and supply of specialized drilling tools and downhole equipment used in directional drilling, and other oil and gas well construction applications; and sales and rental of tools in the oil and gas, geothermal, mining, and waterwells sectors. Further, it holds and manages its corporate-owned real estate, as well as investments in various publicly traded and private companies. The company was formerly known as Hudson Global, Inc. and changed its name to Star Equity Holdings, Inc. in September 2025. Star Equity Holdings, Inc. was incorporated in 2003 and is headquartered in Old Greenwich, Connecticut.