Jonathan Maxwell is the Founding Partner and CEO of Sustainable Development Capital (SDCL). See sector focus and contact routes.
Jonathan Maxwell is the Founding Partner and CEO of Sustainable Development Capital (SDCL), a London-based boutique firm he established in 2007 after leading the IPO of HSBC Infrastructure Company at HSBC Infrastructure. His investment thesis centers on “EDGE” (efficient and decentralized generation of energy), targeting energy efficiency, clean energy, and decentralized infrastructure projects across the UK, Europe, North America, and Asia. SDCL typically executes investments ranging from buildings retrofit and combined heat power to renewable heat and urban infrastructure, often acting as a fund manager for institutional clients including national governments. While specific check sizes and lead/follow behavior are not publicly detailed, the firm has completed over 50 investments involving more than $2.5 billion in capital across 10 countries. Notable portfolio outcomes include the Sustainable Energy Efficiency Income Trust (SEEIT), the UK’s first listed energy efficiency trust, and the London Stock Exchange-listed SDCL Energy Efficiency Income Trust plc. Maxwell is the author of *The Edge: How Competition for Resources is Pushing the World, and It
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