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Index Ventures

Index Ventures

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Index Ventures is a high-conviction global venture firm that backs exceptional founders from Pre-Seed through Growth, with a strong bias toward companies that can define or dominate massive categories. The firm is especially active in enterprise software, infrastructure, fintech, AI, and breakout consumer/platform businesses, and evaluates investments through a disciplined partnership process that advances only deals with clear, above-threshold conviction.

Evaluation weights

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

Team-led · 42%
Metrics
10%

Revenue, growth, and unit economics

Market
20%

Size, timing, and competitive landscape

Team
42%

Founder experience and execution ability

Product
28%

Differentiation and technical quality

  • Prefers outlier opportunities over average-good companies
  • Will tolerate early-stage uncertainty if founder and market quality are exceptional
  • Has a strong bias toward category-defining products rather than incremental tools
  • Needs clear internal conviction; middling partnership support is unlikely to pass

Pitch difficulty

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

Funded / yr
68

Deals closed in a typical year.

Led / yr
31

Rounds led in the last 12 months.

Pitches / yr
~4576

Decks reviewed in a typical year.

Acceptance rate
1.5%

Share of pitches that get funded.

Estimated — public data is not fully disclosed.

Why it's hard
  • Non-midpoint internal scoring system eliminates lukewarm deals
  • Limited TAM and weak founder-market fit are explicit deal-breakers
  • Targets category leaders in very large markets, not solid niche businesses
  • Prefers exceptional, complementary teams and significant ownership in breakout companies

Index is accessible across stages and willing to invest very early, but its actual bar is extremely high: only companies that inspire strong, non-consensus conviction across founder, product, and market dimensions tend to advance. Its non-midpoint voting process and emphasis on venture-scale outcomes make it one of the harder firms to fit unless the opportunity is clearly exceptional.

Green flags

What drives a yes for this firm.

  • Exceptional founders with fast learning speed and strong founder-market fit
  • Differentiated products that create a new category or clear technical edge
  • Large, venture-scale markets with room for category leadership
  • Early proof of pull such as community momentum, waitlists, OSS adoption, or design-partner traction
  • Complementary teams capable of building product, company, and go-to-market in parallel

Red flags

What kills deals and gets a fast no.

  • A market that feels too small or structurally capped
  • Founding teams missing key competencies or lacking complementarity
  • Incremental products without a strong technical or category-defining edge
  • Traction that is shallow, overly bespoke, or disconnected from real demand
  • Pitches that rely on moderate outcomes rather than venture-scale ambition

How to win

Patterns that lead to successful pitches.

  • Lead with why this team is uniquely built to win the market
  • Frame the market as massive, expanding, and capable of producing a category leader
  • Show concrete early pull: OSS/community growth, waitlists, pilots, or sharp ARR acceleration
  • Demonstrate product differentiation with a credible path from wedge to platform
  • Position the company as globally relevant, not confined to a narrow region or niche

Fund strategy & identity

Who they are and how they operate.

  • Invest as early as Pre-Seed with no 'too early' posture
  • Concentrate capital behind breakout companies across multiple rounds
  • Lead rounds where it has strong internal conviction
  • Target venture-scale outcomes in very large or expanding markets
  • Pair capital with operational support for global scaling
Firm identity
Founder-first and conviction-drivenGlobal US-Europe-Israel partnershipLeads early and scales with winners through IPOSeeks significant minority ownershipBiased toward balanced, complementary founding teams

Investment focus

Industries, themes, and typical ARR expectations.

Industries
Enterprise SoftwareCloud InfrastructureData InfrastructureDeveloper ToolsFintechConsumer InternetMarketplacesAI Infrastructure
Investment themes
AI-first infrastructure and application enablersEnterprise software and cloud infrastructureOpen-source, developer tools, and data platformsFintech including payments, banking, and market infrastructureLarge-scale consumer products and marketplacesEU-to-global companies built for rapid international expansion
Typical check by stage
Pre Seed$250k-$1M
Seed$1M-$5M
Series A$8M-$15M
Series B$15M-$40M
Series C$25M-$75M
Growth$50M-$200M
Typical ARR by stage
Pre Seed$0-$0.25M
Seed$0-$1M
Series A$0-$5M
Series B$5M-$20M+
Series C$20M-$100M+
Growth$50M+

Investment thesis

Core beliefs and strategy behind their investing approach.

Index Ventures’ core belief is that people, not ideas alone, create lasting companies. It backs founders early and stays through IPO, concentrating capital and operational support on founders who can dominate very large or rapidly expanding markets. Sectorally, Index leans heavily into enterprise software and infrastructure (including open‑source and developer platforms), fintech (payments, banking, capital‑markets infrastructure), and large‑scale consumer or marketplace businesses. AI has become a central theme of the 2024 fund wave, intersecting with its existing infrastructure focus. Geographically, the firm runs a unified partnership across the US, Europe and Israel, championing “EU‑to‑global” companies that are born global and expand quickly. It seeks “significant minority” stakes and avoids businesses with limited total addressable market or those that are fundamentally capped in scale, favoring balanced, complementary founding teams over solo founders.

Decision patterns

How they evaluate and make investment decisions.

Index Ventures follows a clear triad: exceptional, complementary founding teams; differentiated, innovative products; and large, venture‑scale markets. Partners evaluate deals using a non‑midpoint voting system (scores 1‑4 or 7‑10, with >6 required), ensuring only highly‑convicted investments move forward. Deal‑breakers include limited market size, weak founder‑market fit, and missing core competencies. Triggers that prompt investment are strong founder quality and learning speed, early community or network effects (especially in open‑source or consumer waitlists), and tangible enterprise traction such as design‑partner pilots. The firm prefers “significant minority” stakes and aligns with founders, favoring balanced teams over solo founders.

Risk appetite

Index Ventures exhibits an aggressive, early‑stage risk profile. It openly claims there is “no such thing as ‘too early’” and frequently leads seed investments through its Origin platform. The firm also leads large, conviction‑driven Series A and B rounds, especially in AI‑first infrastructure where it sees transformational upside. While aggressive, decisions are filtered through an equal‑partner voting system that tempers enthusiasm with collective discipline. Overall, Index is both a lead investor and a champion of high‑conviction bets in emerging technology cycles.

Notable investments

Key portfolio companies and why they fit the thesis.

  • FigmaLead
    Category-defining design collaboration platform; Index co-led the 2013 seed round and scaled the product globally.
  • RevolutLead
    European fintech "super-app" with massive growth potential; Index led the Series B to accelerate international expansion.
  • DeliverooLead
    Tech-enabled logistics marketplace reshaping food delivery; Index led the Series A to fuel European growth.
  • PatreonLead
    Creator-economy infrastructure that empowers direct fan monetization; Index first invested at Series A in 2014 and continued supporting the company through growth rounds.
  • DatadogLead
    Cloud observability leader in a massive enterprise category; Index co-led the $6.2M Series A with RTP Ventures.
  • Notion
    Bottom-up knowledge-work OS with strong community growth; Index invested but did not lead the round.
  • Adyen
    Global payments platform exemplifying Index's long-term European fintech backing and IPO playbook.

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
Danny Rimer

Danny Rimer

Partner

Index Ventures

Danny Rimer is a partner at Index Ventures. Index says he opened the firm's London office in 2002 and San Francisco office in 2012, and returned to London in 2018.

culture/consumer/productivity platformsdesign‑led
Jan Hammer

Jan Hammer

Partner

Index Ventures

Jan Hammer is a partner at Index Ventures focused on data and financial services. He was an early investor in Adyen, Robinhood, and Wise.

datafinancial services / fintech
Shardul Shah

Shardul Shah

Partner

Index Ventures

Shardul Shah is a New York-based partner at Index Ventures. Index states that he invests in cybersecurity, AI, enterprise software, and infrastructure.

AIcybersecurityenterprise softwareinfrastructure
Martin Mignot

Martin Mignot

Partner

Index Ventures

Martin Mignot is a partner at Index Ventures backing early-stage founders in healthcare, AI, and financial services. He was an early investor in Revolut and has backed several billion-dollar companies.

AIearly‑stage healthcarefinancial services
Nina Achadjian

Nina Achadjian

Partner

Index Ventures

Nina Achadjian is a San Francisco-based partner at Index Ventures. Index says she invests across seed, venture, and growth stages in AI, robotics, software for hardware, and vertical SaaS.

AIroboticssoftware‑for‑hardwarevertical SaaS
Partners
Emil Schaefer

Emil Schaefer

Partner

Index Ventures

Index Partner supporting growth-stage companies across sectors and geographies.

EuropeGlobal marketsGrowth investingScaling companiesTechnology
Giuseppe Zocco

Giuseppe Zocco

Co-Founder

Index Ventures

Index Ventures co-founder focused on growth-stage software, e-commerce, and digital brands.

Digital brandsE-commerceGrowth investingLife sciencesOnline servicesSoftware
Sahir Azam

Sahir Azam

Partner

Index Ventures

Index partner investing in AI, data, infrastructure, and security; former MongoDB CPO.

AIAI infrastructureDataInfrastructureSecurity
Georgia Stevenson

Georgia Stevenson

Partner

Index Ventures

Index Partner focused on creator, consumer, marketplace, and future-of-work companies.

AI applicationsConsumerCreator economyFuture of workMarketplacesRetail infrastructure
Jahanvi Sardana

Jahanvi Sardana

Partner

Index Ventures

Index partner investing in AI, enterprise software, healthcare, and financial services.

AICybersecurityEnterprise softwareFinancial servicesHealthcare
Julia Andre

Julia Andre

Partner

Index Ventures

Index partner focused on European B2B SaaS, fintech, and commerce infrastructure.

B2B SaaSCommerce infrastructureEnterprise softwareEuropeFintech
Bastian Hasslinger

Bastian Hasslinger

Partner

Index Ventures

Index Partner backing technical founders in enterprise software, AI, and infrastructure.

AI applicationsEnterprise softwareEuropeR&D softwareSoftware infrastructure
Mark Xu

Mark Xu

Partner

Index Ventures

Index partner investing across cybersecurity, infrastructure, and AI.

AICybersecurityGrowth investingInfrastructureTechnical founders
Sofia Dolfe

Sofia Dolfe

Partner

Index Ventures

Index partner backing SaaS, AI, fintech, and gaming companies across the US and Europe.

AIEarly-stage investingFinancial servicesGamingSaaS
Neil Rimer

Neil Rimer

Retired Partner

Index Ventures

Index co-founder and retired partner who led investments in Revolut, Roblox, Supercell, and more.

Consumer internetEuropean technologyFintechFounder mentorshipVenture capital
SP

Simon Pastor

Partner

Index Ventures

Index partner in New York focused on early-stage founders and talent-first investing.

AIEarly-stage investingEuropean foundersNew York startupsTalent investing
Eryk Dobrushkin

Eryk Dobrushkin

Partner

Index Ventures

Index Partner backing enterprise software, infrastructure, robotics, and AI companies.

AIEnterprise softwareInfrastructureRoboticsTechnical founders
Susana Rojas

Susana Rojas

Partner

Index Ventures

Index partner investing in AI, healthcare, and application software.

AIApplication softwareDigital healthHealthcareProfessional services software
Juriaan Duizendstraal

Juriaan Duizendstraal

Partner

Index Ventures

Index partner in Tel Aviv investing in cybersecurity, fintech, infrastructure, and AI.

AICybersecurityEnterprise infrastructureFintechIsrael

Public voice

Notable statements and public positions.

  • “Ideas don’t build businesses. People do.” – Index Ventures homepage
  • “We don’t do deals. We back exceptional entrepreneurs, with table‑pounding conviction.” – 2024 fund announcement
  • “There’s no such thing as ‘too early’ at Index.” – Index Origin seed fund page

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