New York

645 Ventures

645 Ventures, based in New York, backs Seed to Series B startups in enterprise software, deep tech, fintech, and more, with checks from $1 million to $30 million and can lead rounds.

Entry stageSeed, Series A, Series B
Check size$1M to $30M
Leads roundsYes
FocusEnterprise software, Deep tech, Dev tools and infra, Fintech, Consumer, Cybersecurity, Healthtech
Latest fund$194M (2022)$194M Fund IV + $153M Select Fund I ($347M total) (2022)
Investing team3 peopleNo activity since Sep

Who you would pitch at 645 Ventures

3 people on the investing team. Partners are listed first.

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Writes $1M to $30M checks. Its smallest check is larger than 83% of firms in the atlas.

Bars: how many firms in the atlas report each band. Highlighted: this firm.

No recent activity since September 2026. Quiet does not mean closed.

Weekly count of activity updates. Activity is not a confirmed deal.

Before you pitch

Ownership target7-10%

In their words

645 Ventures — Early-Stage Venture Capital645 Ventures is an early-stage venture capital firm backing exceptional founders across Enterprise, Deep Tech, AI Infrastructure, Fintech, Consumer, Cybersecurity, and Hewww.645ventures.com
Founders and investors at a Mode VC gathering

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Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.

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One email when this firm shows new activity. Nothing else.

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Questions

What stage does 645 Ventures invest in?

645 Ventures reports entry at seed, series a, series b.

How much does 645 Ventures invest?

645 Ventures reports checks of $1M to $30M.

Does 645 Ventures lead rounds?

Yes. 645 Ventures says it can lead.

Who are the partners at 645 Ventures?

Aaron Holiday, Nnamdi Okike, Vardan Gattani.

Is 645 Ventures active right now?

No recent activity since September 2026.

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