- Business
- Sigma Advanced Systems Limited is a Hyderabad-based defense and aerospace engineering company that designs, develops, and manufactures advanced systems for armed forces and homeland security. Founded in 1999 and publicly listed, it operates as a global manufacturer and service provider with a diversified portfolio spanning avionics, naval systems, torpedo systems, radar systems, counter-unmanned aerial systems, submarine platforms, and related integrated platforms.
Main products and services: avionics systems for military aircraft and unmanned platforms; naval hardware and integrated naval systems; torpedo and missile support systems; radar and sensor suites; counter-unmanned aerial systems and related EW components; communication systems and secure data links; submarine platform solutions; platform-level integrations and systems engineering; end-to-end production services from concept design through full-scale manufacturing; aftermarket support, maintenance, and upgrade programs; rapid-prototyping and testing services; bespoke solution development for national defense programs; integrated system platforms combining AI sensing, electronic warfare, and command-and-control capabilities.
Latest major company changes: enters strategic partnerships to expand global manufacturing footprint and program execution, including India-UK dual-source collaborations; pursues expansion through larger work packages and integrated manufacturing capability beyond standalone system supply; announces new product launches in avionics, naval, and counter-UAS domains; advances organizational refinements and possible corporate restructurings to align with expanding international programs; completes targeted capacity enhancements and process optimizations to support larger defense contracts.
Additional context: the company operates across multiple defense and aerospace segments, serving primarily military and government customers worldwide; core geographic operations span India, Europe, North America, and the Middle East, with a manufacturing and engineering presence in Hyderabad and key international partnerships; it maintains subsidiaries and partner relationships to support global program execution; the firm emphasizes precision engineering, durability, and high reliability in critical defense environments.