SSIA, previously known as PT Multi Investments Limited, was established on 15 June 1971. The company name was later changed to PT Surya Semesta Internusa (SSIA) in 1995. SSIA's main businesses are industrial estate & real estate development, construction and hospitality.

SSIA's investment portfolio is diverse, including Suryacipta City of Industry, Subang Smartpolitan, SLP Karawang (divested on 6 June 2022), Edenhaus Simatupang, Graha Surya Internusa (to be rebuilt as SSI Tower), Hotel Gran Melia Jakarta, Melia Bali Hotel, Jumana Bali (formerly Banyan Tree Ungasan Resort Bali), and BATIQA Hotels.

For more than 50 years in the business, SSIA has strengthened its recognition and brand position as one of the strongest development companies in Indonesia. Cementing its status as a leading company, SSIA listed its shares on the Indonesia Stock Exchange and became a public company on 27 March 1997.