UST (formerly UST Global), established in 1999, is a private American tech company delivering digital transformation, consulting, and end‑to‑end IT services to Global 1000 clients. Its offerings include digital strategy, AI & data analytics, cloud & DevOps, cybersecurity (via subsidiary CyberProof), product engineering, IoT, automation, quality engineering, experience design, and legacy modernization
The firm operates from its global headquarters in Aliso Viejo, CA, and a major delivery campus in Thiruvananthapuram, India, as well as regional offices across the Americas, EMEA, and APAC regions . With annual revenue topping $1.7 billion in 2022 and a headcount of 30–35K, UST is a significant player in enterprise digital services
Employees—known as “USsociates”—emphasize a culture rooted in Humility, Humanity & Integrity, with AmbitionBox reporting ~3.8/5 rating across 4,800 reviews
The company’s growth has been driven by strategic investments, such as a $250 million funding round from Temasek in 2018, innovation labs (“Infinity Labs”), and acquisitions expanding its cybersecurity and cloud capabilities