System.One is a Berlin-based pre-seed venture capital firm focused on investing in technical founders at the earliest stages of company formation. The firm operates as a concentrated, single-partner fund, emphasizing close collaboration with a limited number of portfolio companies. It typically invests before product development or traction, providing initial capital and strategic guidance. System.One prioritizes technology-driven ideas with strong founding teams. Its approach centers on conviction-led investing and early-stage company building support.