645 Ventures
About 645 Ventures
645 Ventures is a seed- and Series A-focused venture capital firm that invests in early-stage SaaS companies. The firm partners with relentless founders across the United States, with activities centered in New York and San Francisco, to help scale portfolio companies through strategic guidance, fundraising support, and talent advisory. Their portfolio highlights include consumer and enterprise SaaS businesses showing rapid growth and market disruption.
Recent News
Sequence Raises $20m to Build a CFO Revenue Platform Amid B2B Fintech Boom
General Analysis Snares $10M in Seed Funding
True Anomaly Raised $1 Billion to Build Weapons for a Programme the Pentagon Has Not Committed to Building
Arbor Raises $6.3M in Seed and Pre-Seed Funding
Forterra Closes $238M Series C
Variance Raises $21.5M Series A to Automate Financial Crime Investigations
Variance Secures $21.5 Million Series A to Deploy AI Agents for Enterprise Risk and Compliance
Risotto Raises $10M Seed to Use AI to Make Ticketing Systems Easier to Use
How Startups Can Lure Good Talent Fairly without Big Tech Bank Accounts
Forterra Closes $238M Series C
The Week’s 10 Biggest Funding Rounds: Defense Tech Leads With Multiple Large Deals, Topped By $600M For Space Security Startup True Anomaly
Recent Deals
Clerq Raises $21M, Including $12M Series A Led by 645 Ventures
Clerq Raises $21M, Closes $12M Series A Led by 645 Ventures
Arbor Raises $6.3M in Seed Funding
Forterra Secures $238M Series C Funding
Strella Raises $14M Series A Led by Bessemer Venture Partners
Strella Raises $14M Series A Led by Bessemer Venture Partners
Uptiq Secures $25M Series B Funding to Deploy AI Agents in Bank Workflows
Sequence Secures $20M Series A to Accelerate AI‑Powered Revenue Platform
Forterra Secures $238M Series C Funding Led by Moore Strategic Ventures
Strella Raises $14M Series A Led by Bessemer to Scale AI-Powered Customer Research