Sigma Advanced Systems Limited

Sigma Advanced Systems Limited is a Hyderabad-headquartered public listed company specializing in the manufacture and service provision of advanced defense and aerospace systems. Founded in 1994, it focuses on designing, developing, and producing high-precision aero-engine and aerostructure components, missile systems, avionics, naval systems, torpedo systems, communication systems, submarine platforms, radars, and counter-unmanned aerial systems. The company operates across India, the UK, and is expanding into the United States, partnering closely with global original equipment manufacturers through long-term agreements and delegated responsibilities. Notable recent strategic moves include the acquisition of a 51% stake in Delhi-based AS Strategic Private Limited for INR 20 crores, enhancing access to European defense programs, joint ventures with firms like AbraWorks, Escribano, and Arquimea, and an order book exceeding INR 315 crore for 2026. Previously known as Megasoft Limited, it rebranded to Sigma Advanced Systems Limited, aligning with India's defense indigenization and export ambitions while building a vertically integrated global platform from subsystems to integrated solutions.