Notation Capital is a pre-seed venture capital firm based in Brooklyn, New York, founded in 2015 by Nicholas Chirls and Alex Lines. The firm specializes in supporting early-stage, product-focused teams, often at the idea stage, across various sectors, including hard tech, infrastructure, and product-centric startups.

Notation Capital has invested in over 80 companies across sectors such as consumer, enterprise, health, and fintech. The firm provides capital, resources, and mentorship to help startups succeed, leveraging a community of advisors, limited partners, and a broader network to support portfolio companies.