K Street is a Washington, DC-based venture capital and angel investing firm backing seed-stage companies in the United States. The firm invests across climate, sustainability, fintech, cybersecurity, health tech, SaaS, consumer, mobility, energy, agriculture, real estate, analytics, data, impact and education-related finance, with flexible deal-by-deal syndicate participation and fund access for investors. It is relevant for founders seeking early-stage U.S. capital in technology-enabled and climate-oriented sectors.