Side Door Ventures

Side Door Ventures is a global venture capital firm that focuses on backing audacious founders building cutting-edge companies in sectors like software, life sciences, space, blockchain, and frontier technologies. Established with a mission to invest in transformative industries, Side Door Ventures takes a generalist approach, actively supporting startups across various fields. The firm operates multiple funds, including a Seed Fund, Michigan Fund, Digital Asset Fund, and an Opportunity Fund, allowing them to invest at different stages of growth. Their investments range from early-stage seed funding (up to $500K) to larger follow-on checks of up to $5M for scaling companies. Side Door Ventures is particularly committed to companies based in Michigan, where it seeks to strengthen the local tech ecosystem with focused investments in advanced mobility, AI, and clean energy. Their portfolio includes a broad range of companies such as K2 Space, Mysten Labs, and Flare Systems, reflecting their sector-agnostic philosophy. They have a globally distributed team of founders, space engineers, and biotech experts, which allows them to offer deep operational support to their portfolio companies. Startups looking to partner with Side Door Ventures should be prepared to present bold, world-changing ideas that align with the firm’s focus on innovation and global impact.