TSF Investments Limited engages in the business of investments, and business processing and support services in India and internationally. It invests in the automotive sector. The company also offers outsourcing services to large and mid-sized firms. In addition, it engages in shared services business; and manufactures forge components. The company was formerly known as Sundaram Finance Holdings Limited and changed its name to TSF Investments Limited in October 2025. TSF Investments Limited was incorporated in 1993 and is based in Chennai, India.