Underscore VC

underscore.vc

VCMatch tracks Underscore VC as an investor focused on Enterprise SaaS, Vertical SaaS, and AI/ML companies, Pre-Seed and Seed rounds, United States, Boston, and San Francisco markets, and $500k to $3m check sizes. Upload your deck to compare your startup against the full private matching profile.

Check Size

$500k to $3m

Stages

Pre-Seed, Seed

Focus Areas

Enterprise SaaS, Vertical SaaS, AI/ML

Geography

United States, Boston, and San Francisco

Investment Thesis

Underscore VC believes in backing bold B2B software entrepreneurs at Pre-Seed and Seed stages through a community-driven model. Rather than simply making introductions, they have pioneered an ‘open-source’ investing model where they profit-share with experts in the Underscore Core Community that support the startups they back. They focus on backing people who are uniquely qualified and purposeful about solving impactful problems, believing that connecting founders with the right people at the right time can make the biggest impact on a company’s trajectory.

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Investment Focus

Who should take a closer look

Underscore VC is most relevant for founders raising Pre-Seed and Seed rounds in Enterprise SaaS, Vertical SaaS, AI/ML, and Fintech, especially across United States, Boston, and San Francisco, with public check-size signals around $500k to $3m.

Focus statement

Underscore VC is a Boston-based venture capital firm backing bold B2B software entrepreneurs at Pre-Seed and Seed stages. Approximately 50% of investments focus on B2B vertical SaaS and 50% on Fintech and Emerging Technology companies.

Value Add

Pioneered an 'open-source' investing model with profit-sharing through the Core Partner program - allocating 10% of profits to Core Partners who support portfolio companies
Curated Underscore Core Community of 200+ top entrepreneurs, seasoned executives, and domain experts who are financially incentivized to help portfolio companies
Core Partners provide non-dilutive support to founders - expertise at zero cost through economic alignment rather than dilutive equity
Community-first approach embedded in firm operations and investment decisions
Deep roots in Boston academic ecosystem with early access to talented entrepreneurs from Harvard, MIT, and other institutions
Hands-on business builders with experience as former founders and operators themselves