Susquehanna Sustainable Investments

Susquehanna Sustainable Investments (SSI) is a climate-focused venture capital firm funded by the owners of Susquehanna International Group, LLP (SIG). SSI's mandate is to invest in innovative early-stage companies that use technology and innovation to address environmental challenges across mitigation, adaptation, and removal. The firm describes its capital as patient and flexible, backed by the broader SIG organization of 3,500+ employees with expertise in technology, data science, and risk. Portfolio companies span a wide range of climate verticals including carbon capture, clean energy generation, agriculture, transportation, water tech, and more. SSI is headquartered in Bala Cynwyd, Pennsylvania, and is part of SIG's broader family of investment vehicles alongside Susquehanna Growth Equity, Susquehanna Venture Capital Asia, and Susquehanna Private Capital. Founders can reach out via the contact page on the SSI website; no formal application portal or published check size is disclosed.