Sigma Advanced: Can Its UK Expansion, Defence IP and 90% Export Order Book Drive Growth?

Synopsis: Sigma Advanced Systems is expanding its aerospace and defence presence through acquisitions, exports, manufacturing scale-up and proprietary technologies, positioning itself to benefit from rising global demand and industry tailwinds. 

The shares of this small cap company engaged in defence and aerospace manufacturing, which focuses on multiple acquisitions to create a centralized platform for technology, finance, leadership and corporate functions across its businesses were in focus after it expanded its business in the UK. 

With the market capitalization of Rs. 11,249 Crores, the shares of Sigma Advanced System Ltd were trading at its 52 week high of Rs. 638 per share and is trading at a P/E of 40.6 whereas industry P/E stands at 61.5

Building on a Three-Decade Foundation

Sigma Advanced Systems has evolved into a diversified aerospace and defence company with more than 30 years of experience in the sector. The company operates across defence products, subsystems, aerospace components and precision manufacturing. During Q4 FY26, it reported revenue of Rs. 413 crore, while profit before tax margin stood at 32 percent  and profit after tax margin stood at 31 percent . 

The company has built a strong presence through long-standing relationships with defence customers and has established itself as a trusted supplier for several critical programmes. Its operations are supported by over 700 highly trained employees, more than 300,000 square feet of manufacturing facilities across 8 locations and a dual manufacturing footprint in India and the UK.

Diverse Capabilities Across Defence and Aerospace

Sigma’s business spans multiple areas of the defence ecosystem. Its portfolio includes drones, counter-drone solutions, missile guidance systems, radar and electronic warfare systems, avionics products and naval solutions. The company has also invested significantly in intellectual property and research-driven technologies. Through its defence portfolio, it offers surveillance drones with ranges of up to 120 kilometres, armed UAVs, loitering munitions and various anti-drone systems designed for military, infrastructure and mobile applications.

In defence subsystems, missile-related products account for around 50 percent  of revenue, while avionics contribute 25 percent , naval systems 15 percent  and other products 10 percent . These capabilities allow Sigma to participate in several strategic defence platforms and programmes while maintaining both build-to-specification and build-to-print manufacturing capabilities.

Nasmyth Acquisition Strengthens Aerospace Presence

A major milestone in Sigma’s growth journey was the acquisition of UK-based Nasmyth in October 2025. This acquisition expanded the company’s reach into aerospace components and sub-assemblies, giving it access to leading global aerospace programmes. Nasmyth serves major platforms such as the A350, A320, Eurofighter, Gripen, F-35 and Boeing 787, along with several aero-engine programmes including the Trent series, UltraFan, TP400 and Pearl engines.

The aerospace business generates approximately 75 percent of its revenue from commercial aerospace and 25 percent from defence aerospace. Nasmyth also brings decades of manufacturing expertise, more than 470 employees across 6 UK facilities and over 200,000 square feet of advanced manufacturing space.

Global Expansion Driving Future Growth

Sigma’s international business has become a key growth engine. Around 85 percent  of current revenue comes from international markets, while more than 90 percent  of its order book is export-oriented. The company serves over 10 international markets and benefits from long-term contracts extending up to 8 years.

Further strengthening its global reach, Sigma acquired a 51 percent  stake in AS Strategic during 2026. This move provides access to European and NATO defence programmes through joint ventures with leading European defence companies. The platform currently has 8 active teaming agreements with global OEMs, creating opportunities for future order inflows and technology collaboration.

Manufacturing Expansion and Margin Opportunities

The company is investing heavily in manufacturing infrastructure to support future growth. In India, Sigma operates facilities in Hyderabad and Bangalore while developing a new greenfield manufacturing facility in Sri City. The project spans 23 acres and has a master plan covering 2.5 lakh square feet.

Management believes this facility will play a key role in transferring manufacturing work from the UK to India. Delegatory approvals already allow work transfer within 4 to 6 months, reducing timelines by more than 70 percent . This strategy is expected to improve operational efficiency and support margin expansion over the long term.

Benefiting from Industry Tailwinds

Sigma operates in two sectors experiencing strong growth. India’s defence production is expected to rise from USD 18 billion in FY25 to USD 35 billion by FY29, while defence exports continue to expand. The FY26 defence budget stands at approximately USD 78.7 billion and is supported by a USD 223 billion capital expenditure pipeline.

At the same time, the global aerospace market is projected to grow from USD 402.8 billion in 2025 to USD 846.3 billion by 2035. Rising defence spending, increasing air travel, fleet modernisation and technology upgrades are creating significant opportunities. With its combination of defence products, aerospace manufacturing, global market access and expanding infrastructure, Sigma appears well positioned to participate in these long-term growth trends.

Conclusion

Sigma Advanced Systems has transformed from a domestic defence electronics player into an integrated aerospace and defence platform with global reach. Its strong export presence, strategic acquisitions, proprietary technologies and expanding manufacturing capabilities position it well for future growth.

With exposure to rising defence spending, increasing indigenisation, growing exports and a global aerospace upcycle, the company is building multiple growth engines while also creating opportunities for operational efficiency and margin improvement. 

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