Sigma Advanced Systems Limited

Sigma Advanced Systems Limited is a Hyderabad-headquartered manufacturer and service provider specializing in advanced defense and aerospace systems. Founded in 1994 and listed on India's National Stock Exchange under the ticker SIGMAADV, the company designs, develops, and produces high-precision aero-engine components, aerostructures, missile systems, avionics, naval systems, torpedo systems, communication systems, submarine platforms, radars, and counter-unmanned aerial systems. Operating across India, the United Kingdom, and expanding into the United States, Sigma Advanced Systems partners with global original equipment manufacturers through long-term agreements. The company recently acquired a 51% stake in Delhi-based AS Strategic Private Limited and established joint ventures with international firms to enhance access to defense programs. With an order book exceeding INR 315 crore for 2026 and approximately 885 employees, Sigma Advanced Systems positions itself as a key player in India's defense indigenization and aerospace export initiatives, building a vertically integrated platform from subsystems to complete integrated solutions.