Star Equity Holdings, Inc. operates as a diversified holding company. It operates through four segments: Building Solutions, Business Services, Energy Services, and Investments. The Building Solutions segment provides modular buildings in the single and multi-family residential segments; structural wall panels and other engineered wood-based products; and glue-laminated timber products for various end markets and applications, including agriculture, industrial, infrastructure, and commercial and residential building construction, as well as distributes building materials. The Business Services segment offers recruitment process outsourcing services consisting of recruitment and contracting solutions to the individual needs of mid-to-large multinational companies. The Energy Services segment is involved in the sale and rental of tools in the oil and gas, geothermal, mining, and waterwells sectors. The Investments holds and manages its corporate-owned real estate, as well as manages investments in various public 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 founded in 1999 and is headquartered in Old Greenwich, Connecticut.