Founded in 1998 by Stephen J. Ross and rebranded from UST Global to UST, the company is headquartered in Aliso Viejo, California, with major campuses in Kerala (Thiruvananthapuram) and offices in over 30 countries Employing around 30,000 professionals globally, UST specializes in digital transformation, cloud infrastructure, cybersecurity (via its CyberProof subsidiary), analytics, DevOps, application development, and industry‑specific solutions for sectors such as healthcare, finance, retail, and manufacturing. The company has seen steady growth through strategic acquisitions and investments, including backing from Singapore’s Temasek in 2018