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Index Ventures

North America, California, United States, San Francisco

Description

Index Ventures is a globally recognized venture capital firm, distinguished by its multi-stage investment strategy and dual headquarters in San Francisco and London. The firm is a prolific backer of entrepreneurs aiming to transform bold ideas into global businesses, investing across seed, early-stage, and growth rounds. With a reputation for identifying and nurturing groundbreaking technology companies, Index Ventures has established itself as a key player in the venture capital landscape, supporting companies from their nascent stages through to market leadership.

TheThe firm demonstrates a strong commitment to funding innovation across various sectors, including fintech, enterprise software, consumer internet, and healthcare. This dedication is underscored by its substantial fundraising efforts; for instance, in May 2022, Index Ventures announced the close of two new funds totaling $3.1 billion, comprising a $2.2 billion early-stage fund and a $900 million seed fund. This significant capital base allows Index to provide robust support to its portfolio companies, enabling them to scale rapidly and achieve global reach. Their investment philosophy emphasizes long-term partnerships, providing not just capital but also strategic guidance and access to a vast network.

Index Ventures boasts an impressive portfolio of companies that have achieved remarkable success and often become household names. Notable investments include fintech giants like Adyen and Revolut, cloud software leaders such as Datadog and Slack, and consumer platforms like Dropbox, Roblox, and Deliveroo. The firm also backed design software powerhouse Figma and productivity tool Notion, among many others, showcasing its ability to spot future industry leaders. Many of these companies have gone on to achieve multi-billion dollar valuations or successful exits, cementing Index Ventures' track record.

The firm's investment approach is flexible, with typical first check sizes varying significantly depending on the stage and opportunity. While they can participate in seed rounds with investments as modest as $500,000, they are also capable of leading substantial Series A or B rounds, with initial commitments often reaching up to $50,000,000 for high-growth opportunities. This broad range reflects their commitment to supporting companies across their entire lifecycle, from initial concept to global scale.

Investor Profile

Index Ventures has backed more than 1,206 startups, with 56 new investments in the last 12 months alone. The firm has led 478 rounds, about 40% of its total and boasts 244 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Series A, Series B, Seed rounds (top funding stages).
  • Majority of deals are located in United States, United Kingdom, Germany.
  • Strong thematic focus on Software, SaaS, E-Commerce.
  • Led 21 rounds in the past year.
  • Typical check size: $500K – $50M.

Stage Focus

  • Series A (28%)
  • Series B (21%)
  • Seed (19%)
  • Series C (12%)
  • Series D (7%)
  • Series Unknown (6%)
  • Series E (3%)
  • Series F (1%)
  • Pre Seed (1%)

Country Focus

  • United States (57%)
  • United Kingdom (18%)
  • Germany (4%)
  • France (4%)
  • Switzerland (2%)
  • Sweden (2%)
  • Australia (1%)
  • The Netherlands (1%)
  • Belgium (1%)
  • Canada (1%)

Industry Focus

  • Software
  • Saas
  • E-commerce
  • Internet
  • Financial Services
  • Artificial Intelligence (Ai)
  • Information Technology
  • Enterprise Software
  • Fintech
  • Mobile
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FAQ

Frequently Asked Questions

Learn who this investor regularly partners with—both firms and angels—and explore their latest activity.

Who does Index Ventures frequently co-invest with?

Sequoia Capital
North America, California, United States, Menlo Park
Co-Investments: 61
Kleiner Perkins
North America, California, United States, Menlo Park
Co-Investments: 39
Y Combinator
North America, California, United States, Mountain View
Co-Investments: 38
SV Angel
North America, California, United States, San Francisco
Co-Investments: 52
Accel
North America, California, United States, Palo Alto
Co-Investments: 69
Andreessen Horowitz
North America, California, United States, Menlo Park
Co-Investments: 55
Redpoint
North America, California, United States, Menlo Park
Co-Investments: 38
Greylock
North America, California, United States, Menlo Park
Co-Investments: 52
LocalGlobe
Europe, England, United Kingdom, London
Co-Investments: 39
Benchmark
North America, California, United States, San Francisco
Co-Investments: 52

Which angels does Index Ventures often collaborate with?

TR
North America, California, United States, San Francisco
Shared Deals: 8
GR
North America, California, United States, San Francisco
Shared Deals: 6
JW
North America, California, United States, Mountain View
Shared Deals: 7
DF
North America, California, United States, Penngrove
Shared Deals: 14
PB
North America, California, United States, Mountain View
Shared Deals: 6
MB
North America, California, United States, San Francisco
Shared Deals: 7
KH
North America, California, United States, San Francisco
Shared Deals: 8
OP
North America, New York, United States, New York
Shared Deals: 11
YM
North America, California, United States, Los Altos Hills
Shared Deals: 8
EG
North America, California, United States, San Francisco
Shared Deals: 10

What are some of recent deals done by Index Ventures?

Fireworks AI

Redwood City, California, United States

Fireworks AI is an advanced platform that enables users to build, tune, and scale AI applications using open-source models

Artificial Intelligence (AI)Data ManagementSaaSSoftware
Series COct 28, 2025
Amount Raised: $230,000,000
Fireworks AI

Redwood City, California, United States

Fireworks AI is an advanced platform that enables users to build, tune, and scale AI applications using open-source models

Artificial Intelligence (AI)Data ManagementSaaSSoftware
Secondary MarketOct 28, 2025
Amount Raised: $20,000,000
Sublime Security

Washington, District of Columbia, United States

Sublime Security develops an email security platform to write and run custom detection and response rules to block phishing attacks.

Artificial Intelligence (AI)Cyber SecurityNetwork SecurityPaaSSecurity
Series COct 28, 2025
Amount Raised: $150,000,000
Anrok

San Francisco, California, United States

Anrok is a global sales tax solution platform that automates sales tax compliance for modern commerce.

ComplianceFinancial ServicesSaaSSoftwareTax Preparation
Series COct 21, 2025
Amount Raised: $55,000,000
AdsGency AI

San Francisco, California, United States

AdsGency AI is a provider of an agent-based advertisement system for retail brands.

Advertising PlatformsArtificial Intelligence (AI)Software
SeedOct 20, 2025
Amount Raised: $12,000,000
Nova Credit

San Francisco, California, United States

Nova Credit is a credit infrastructure and analytics company that enables businesses to grow responsibly through alternative credit data.

CreditCredit BureauData IntegrationFinancial ServicesFinTech
Series DOct 14, 2025
Amount Raised: $35,000,000
Quilter

Los Angeles, California, United States

Quilter develops physics-based autonomous AI software for printed circuit board (PCB) design aimed at accelerating hardware development.

Artificial Intelligence (AI)ElectronicsSoftware
Series BOct 8, 2025
Amount Raised: $25,000,000
Crosby

New York, New York, United States

Crosby is a company with programmers from Ramp, Vanta, Meta, and Google joining attorneys.

Artificial Intelligence (AI)Software
Series AOct 8, 2025
Amount Raised: $20,000,000
Temporal Technologies

Bellevue, Washington, United States

Temporal Technologies provides an open-source platform that simplifies the development of scalable and resilient applications.

Information TechnologyInternetOpen SourceSoftware
Secondary MarketOct 1, 2025
Amount Raised: $105,000,000
Phaidra

Seattle, Washington, United States

Phaidra provides AI and ML solutions to accelerate performance in large-scale industries.

Artificial Intelligence (AI)Industrial AutomationInformation TechnologyMachine Learning
Series BOct 1, 2025
Amount Raised: $50,000,000