Seed VC · USA
645 Ventures is an early-stage venture firm that invests in exceptional founders with purity of motivation, earned secrets, and non-consensus thinking. They back founders at the earliest stages—pre-product, pre-revenue, pre-consensus.
Customer segments
SMB, Enterprise, Consumer
Geography
US
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645 Ventures writes first institutional checks where the founder + early product matter more than traction. The seed market is the most dispersed segment of venture; matching to thesis (sector, stage, geography) is where most cold outreach succeeds or fails. Claude Fundraiser tracks 645 Ventures alongside 47,000+ other active investors, ranked weekly by recent-deal momentum, sector concentration, and partner activity.
Drop your pitch. Claude scores it on the 8 dimensions VCs read for and ranks the 47,000+ active investors in the database by fit. 645 Ventures is one of them — and we'll tell you exactly where they sit in your top 100.