645 Ventures
2026-09-01645ventures.com
Overview
What they do
645 Ventures is an early-stage venture capital firm that partners with exceptional founders who are building iconic companies. We invest at the Seed and Series A stages and leverage our Voyager software platform to enable our Success team and Connected Network to help founders scale to the growth stage. Select portfolio companies that have reached the growth stage include Iterable, Goldbelly, Resident, Eden Health, FiscalNote, and Squire. We invest in four main areas: SaaS for the Second Wave, Citizen Professionals, The Engineering Value Chain Revolution, and Personalized Consumer Applications. You can read more here: 645 Ventures has $200m+ in AUM and is growing fast with backing from leading institutional investors, including university endowments, funds of funds, and pension funds. We have over 35 active companies in our portfolio in the areas of enterprise SaaS, infrastructure software, and consumer technology. Several of our portfolio companies have been acquired by Google, Facebook, Expedia, and private equity firms.
645ventures.com
What they look for
645 Ventures focuses on four core thematic areas: SaaS for the Second Wave, Citizen Professionals (software that reduces the complexity of tasks usually requiring a trained expert), The Engineering Value Chain Revolution (developer tools and infrastructure), and Personalized Consumer Applications. They evaluate entrepreneurs based on their "Four Founder Paradigms": Purity of Motivation, Earned Secret, Obsessed Problem Solving, and Non-Consensus Thinking.
645ventures.com
Stage
Seed, Series A, Series B+
645ventures.com
Sectors
SaaS, Cybersecurity, AI, Fintech, Consumer
645ventures.com
Based
New York, US
645ventures.com
Sources
2026-09-01645ventures.com645 Ventures is a New York and San Francisco-based early-stage venture firm that invests in…
2026-09-01645ventures.comGoldbelly partners with hundreds of local food makers and artisans across the country to offer…
Portfolio, cheque size and the rest
The 5 companies they have backed that we can see, the cheque they write, and whether they are deploying right now.
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