STL, a leading connectivity solutions provider for AI-ready digital infrastructure, announced its financial results for the year ended 31 March, 2026. The Company reported revenues of INR 1,441 Cr for the quarter and INR 4,745 Cr for FY26, a growth of ~14.7% QoQ and 18.8% YoY. In FY26, STL delivered EBITDA margins at ~13.2% and EBITDA of INR 628 Cr. The year was characterised by a transformative ~110% surge in order intake over FY25. This indicates strong revenue visibility and sets the stage for sustained growth in the coming quarters.
STL delivered a consistent sequential improvement in EBITDA margins for the sixth consecutive quarter, driven by higher utilization and improved product mix. The open order book at the end of FY26 stands at INR 7,309 Cr, supported by large‑scale data‑centre and telecom projects across our key markets – North America, Europe and India. The company continues to strengthen its global operations while being a trusted partner for its customers, building AI-ready digital infrastructure.
Some key highlights for FY’26:
Key wins – In FY26, STL established deep partnerships with global customers like Colt, Netomnia, Mynet, SLICFiber and Swoop. There was strong momentum across key markets in North America, United Kingdom, Europe, and Asia.
Innovation – STL continues to leverage its “Glass-to-Data Centre” vertical integration to architect the physical layer of the AI era. By integrating glass science with precision manufacturing, STL is co-creating advanced high-density, low-latency solutions. The total patent count stands at 780+. Key milestones in FY26 include:
- AI-DC Portfolio: The launch of Neuralis, a purpose-built connectivity suite for AI-Data Centres, enabling ultra-high-density cabling for GPU-intensive workloads
- Introduced India’s first Hollow Core Fibre (HCF) cable, utilizing an air-core architecture to achieve ~46% faster transmission and ultra-low latency.
- STL developed a 4-core Multi-Core Fiber (MCF) Unitube cable for the UK market, significantly increasing data capacity per strand.
- Launched CONCAT, a pre-connectorized, plug-and-play solution that reduces onsite labour and installation costs.
- Expansion of the IBR (Intermittently Bonded Ribbon) portfolio in the U.S. to include higher fibre counts for rapid network scaling.
Awards – STL’s commitment to “Glass-to-Data Centre” innovation continues to be recognised by the prestigious industry bodies. In FY26, the company secured multiple accolades:
- National Innovation Leadership: STL was named among the Top 100 Innovative Companies of 2025 at the CII Industrial Innovation Awards.
- Global Product Excellence (OFC 2026): At the prestigious Lightwave Innovation Reviews, STL’s CONCAT (Plug-and-Play Connectivity) and Multi-Core Fiber (MCF) solutions both secured top honours.
- Next‑gen Data Centre Leader – at the Fast Mode Awards 2025, receiving recognition in the excellence area of Growth.
“We enter FY27 with significant momentum,” said Mr. Ankit Agarwal, MD, STL. “FY26 was a transformative year for us. Our record order intake reflects our ability to co-create with customers and deliver advanced, high-capacity optical connectivity solutions for global hyperscalers and telecom providers. By owning the entire value chain—from glass chemistry to complex AI-DC racks—we are providing the physical foundation for the future of intelligence.”
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