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Building the next generation of Indian startups
Siriusone Capital Fund is a Category I Alternative Investment Fund managed by SiriusOne Capital Advisors Private Limited, focused on early-stage and seed investments in India. The firm positions itself as an active, operator-led venture platform that goes beyond capital by providing strategic guidance, mentorship, and access to a strong network of investors and industry experts. With a fund size of approximately ₹200 crore, SiriusOne targets technology-driven startups with scalable business models and strong founding teams. The firm emphasizes hands-on involvement across the investment lifecycle, from sourcing and due diligence to post-investment governance and scaling support. By combining capital with deep ecosystem engagement, SiriusOne aims to help build high-growth companies and contribute to the creation of India’s next generation of category-defining startups.
SiriusOne follows a founder-first, thesis-driven investment philosophy focused on backing early-stage startups with strong technological differentiation, large addressable markets, and clear growth trajectories. The firm emphasizes active involvement, disciplined capital allocation, and long-term partnerships to help founders scale sustainably and achieve market leadership.
Guruswamy Ramasubramanian
Founder & Managing Partner
Guruswamy Ramasubramanian is the Founder and Managing Partner of SiriusOne Capital, with extensive experience in investment management and supporting early-stage startups. He leads the firm’s investment strategy and portfolio development.
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Investments in securities markets are subject to market risks. Read all the related documents carefully before investing. Past performance is not indicative of future returns.