What AI says about 43

43.io invests up to $500K at Day 0 in founders before product or traction, aiming to move quickly and engage founders early. They provide 1:1 bespoke hands-on support—strategic guidance, network introductions, operational help, and fundraising—without batch programs or demo days. They work with a limited number of founders per partner each year and typically complete the process in 2-4 weeks.