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Uncork Capital

Uncork Capital

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Uncork Capital is a conviction-driven seed firm focused on writing the first institutional check into North American startups and supporting them through growth with dedicated follow-on capital. The firm is notably founder-centric, prioritizing exceptional teams with authentic market insight over trend-chasing, while maintaining a strong bias toward B2B software, infrastructure, and AI-native companies.

Evaluation weights

How much weight this firm places on each dimension. Totals 100%.

Team-led · 43%
Metrics
9%

Revenue, growth, and unit economics

Market
29%

Size, timing, and competitive landscape

Team
43%

Founder experience and execution ability

Product
19%

Differentiation and technical quality

  • Strong preference for founder quality over early metrics at seed
  • Skeptical of hype cycles, FOMO, and consensus investing
  • Higher conviction in technical B2B and infrastructure businesses
  • More metrics-driven and selective once evaluating Series A and later

Pitch difficulty

How hard it is to get a meeting and close funding from this firm.

Funded / yr
21

Deals closed in a typical year.

Led / yr
5

Rounds led in the last 12 months.

Pitches / yr
~2236

Decks reviewed in a typical year.

Acceptance rate
0.9%

Share of pitches that get funded.

Estimated — public data is not fully disclosed.

Why it's hard
  • Competes to lead the first institutional round but only behind high-conviction founders
  • Founder-market fit and execution credibility are scrutinized intensely
  • Seed-stage flexibility is balanced by a strong anti-hype filter
  • Series A and beyond require more concrete ARR and traction thresholds

Uncork is highly open to early-stage risk and will back companies pre-product or pre-revenue, which increases accessibility for exceptional seed founders. However, the bar for founder quality, market ambition, and authenticity is high, and the firm is especially intolerant of hype-driven or weakly reasoned opportunities.

Green flags

What drives a yes for this firm.

  • Exceptional founders with clear founder-market fit and execution grit
  • A large, credible market opportunity with room for an outsized company
  • A product thesis that feels sharp, differentiated, and important early on
  • Willingness to back companies pre-product or pre-revenue if insight is strong
  • Evidence the team can navigate uncertainty better than incumbents or peers

Red flags

What kills deals and gets a fast no.

  • Pitching a hype-driven AI or trend thesis without original insight
  • Weak founder-market fit or inability to explain why this team should win
  • Small market masquerading as venture-scale
  • Lack of execution signals despite time and capital spent
  • Series A ask without the ARR or traction expected for that stage

How to win

Patterns that lead to successful pitches.

  • Lead with why this team is uniquely suited to win, not just what the product does
  • Frame the opportunity around a genuinely large market with durable need
  • Show authentic insight and crisp thinking rather than trend-heavy storytelling
  • Present an early product wedge that can expand into a larger platform
  • Demonstrate speed, customer pull, or execution proof even if revenue is still nascent

Fund strategy & identity

Who they are and how they operate.

  • Write $1.5M-$3M+ initial seed checks, often as the first major institutional capital
  • Lead or co-lead seed rounds and set terms with high-conviction underwriting
  • Reserve significant follow-on capital through Plus funds for breakout winners
  • Concentrate primarily on North American headquartered companies
  • Invest across software, infrastructure, selective consumer, and frontier tech with an AI-native lens
Firm identity
Dedicated seed-first firmFounder-centric and conviction-drivenLeads or co-leads early roundsAnti-FOMO and anti-groupthinkLong-term partner from seed through growth

Investment focus

Industries, themes, and typical ARR expectations.

Industries
B2B SaaSDeveloper ToolsCloud InfrastructureCybersecurityAI/MLConsumer SoftwareOther / Generic
Investment themes
B2B SaaS platforms and workflow softwareDeveloper tools, cloud infrastructure, and securityAI-native application and infrastructure companiesConsumer software and services with strong engagement or network effectsFoundational internet and software plumbingSelective frontier technologies including space, robotics, and semiconductors
Typical check by stage
Seed$3M-$5M
Series A$1M-$5M
Series B$2M-$10M
Series C$2M-$15M
Growth$2M-$15M
Typical ARR by stage
Pre Seedpre-revenue-$100k
Seed$0-$1M
Series A$3M-$5M
Series B$5M-$15M
Series C$15M-$40M
Growth$40M+

Investment thesis

Core beliefs and strategy behind their investing approach.

Uncork Capital positions itself as a fully‑dedicated seed‑stage firm that backs founders “from zero” and stays with them through growth via its Plus funds. The core belief is that deep, conviction‑driven partnership with exceptional teams creates long‑term value, rather than chasing fleeting trends. Allocation guidance from Fund VIII outlines roughly 45 % B2B SaaS, 30 % developer tools/infrastructure/security, 15 % consumer software and services, and 10 % frontier technologies such as space, robotics, semiconductors and AI‑native companies, with a strong current emphasis on AI‑native businesses across these categories. The firm primarily targets North‑American headquartered companies, though engineering talent may reside elsewhere. Uncork deliberately avoids thematic FOMO and groupthink, preferring authentic founder insight and a clear founder‑market fit over hype‑driven sectors.

Decision patterns

How they evaluate and make investment decisions.

Uncork Capital’s investment decisions are heavily founder‑centric. Jeff Clavier’s famous “three asses” rule – a smart‑ass team, a kick‑ass product, and a big‑ass market – and Andy McLoughlin’s repeated “Team, Team, and TAM” mantra put the founding team first, followed by market size, with traction considered a secondary filter at seed stage. The firm is willing to write the first institutional check even when a product is pre‑product or pre‑revenue, provided the team shows unique insight and execution grit. Deal‑breakers include hype‑driven theses, weak founder‑market fit, and unclear execution signals. For later rounds, especially Series A, the presence of meaningful ARR becomes a primary filter, but the early‑stage focus remains on the team’s ability to navigate uncertainty.

Risk appetite

Uncork exhibits an aggressive, conviction‑driven risk posture at the seed stage, comfortable with high uncertainty, pre‑product or pre‑revenue companies, especially when the founders have proven execution history. The firm has a strong bias to lead or co‑lead seed rounds, setting terms and maintaining sizable reserves for follow‑on investments through its Plus funds. While aggressive in early‑stage bets, they become more selective in later rounds, using ARR benchmarks as a first filter for Series A opportunities.

Notable investments

Key portfolio companies and why they fit the thesis.

  • Human Interest (formerly Captain401)
    B2B fintech modernising retirement benefits for SMBs; strong founder-market fit and large TAM match Uncork's thesis.
  • Postmates
    Consumer marketplace acquired by Uber; exemplifies Uncork's early bets on breakout consumer platforms.
  • SendGrid
    Developer-first email infrastructure (IPO, acquired by Twilio); core to Uncork's B2B/infra thesis.
  • Eventbrite
    Consumer marketplace (IPO 2018); reflects Uncork's pattern of early conviction on consumer platforms.
  • LaunchDarklyLead
    Developer tooling/feature flags; Uncork led the seed, fitting its developer infrastructure thesis.
  • TailscaleLead
    Zero-trust networking for developers; Uncork led the seed, aligning with its dev tooling/infra focus.
  • Carrot FertilityLead
    B2B benefits platform; Uncork led an early round, matching its B2B applications focus.
  • Poshmark
    Consumer social commerce (IPO 2021); fits Uncork's consumer marketplace thesis.

Co-invested with

Other firms in this catalog who've backed the same companies.

Partners

Full firm roster — key partners, partners, and the wider team.

Key partners
Andy McLoughlin

Andy McLoughlin

Managing Partner

Uncork Capital

Andy McLoughlin is a managing partner at Uncork Capital focused on enterprise software, developer tooling, and deeply technical teams.

B2B applicationsConsumer & marketplacesDeveloper tooling, infrastructure & securityFrontier tech/hardware
Jeff Clavier

Jeff Clavier

Founding Partner

Uncork Capital

Jeff Clavier is the founding partner of Uncork Capital and has backed seed-stage companies including Fitbit, SendGrid, Postmates, Mint, Eventbrite, and Poshmark.

B2B applicationsConsumer & marketplacesFrontier tech/hardware
Amy Saper

Amy Saper

General Partner

Uncork Capital

Amy Saper is a general partner at Uncork Capital backing seed-stage B2B startups building AI-enabled applications and infrastructure for engineering, product, and design teams.

B2B applicationsConsumer & marketplacesDeveloper tooling, infrastructure & security
Susan Liu

Susan Liu

General Partner

Uncork Capital

Susan Liu is a general partner at Uncork Capital backing founders using AI to transform legacy industries, with a focus on B2B applications.

AI modernizing legacy industriesB2B applicationsVertical SaaS
Tripp Jones

Tripp Jones

General Partner

Uncork Capital

Tripp Jones is a general partner at Uncork Capital focused on overlooked markets, network effects, recurring revenue, and consumer experiences.

B2B applicationsConsumer & marketplacesFrontier tech/hardware
Team
Sarah D.

Sarah D.

Associate

Uncork Capital

Uncork Associate investing across B2B, consumer, and frontier tech.

AIB2BConsumerFrontier techMarketplacesSeed
Isha Mehrotra

Isha Mehrotra

Associate

Uncork Capital

Uncork Associate focused on early-stage AI and technical software founders.

AIDeveloper toolsFrontier technologySoftwareTechnical founders

Public voice

Notable statements and public positions.

  • Andy McLoughlin (2026): “The point is this: Uncork is a seed firm. Fully, deliberately, and by conviction—not by happenstance… We’re still writing the first major check at seed.”
  • Jeff Clavier (2014): “I look for a smart‑ass team building a kick‑ass product in a big‑ass market.”
  • Andy McLoughlin (2023): “That kind of groupthink is how you get hype and FOMO — the most dangerous four‑letter words in investing.”

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