Skip to main content

Index Ventures — Portfolio, Page 7

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

599
Companies
$31.5B
Total invested
$68.0M
Avg. check
65
Industries
Software 12Artificial Intelligence (AI) 10SaaS 5Machine Learning 4Information Technology 3E-Commerce 3+59 more
Founder contacts

Verified emails & LinkedIn for founders across this portfolio.

jane@on●●●●●●●.com
linkedin.com/in/●●●●●●
Verified contacts, updated monthly
Get instant access →

Portfolio companies

Showing 145–168 of 599
Adaptive ML
March 2024

Adaptive ML is a technology firm that develops an LLM platform to help companies train and deploy language models using user feedback.

A/B Testing · Paris$20.0M Series A
GenSight Biologics
March 2026

GenSight Biologics develops gene therapy-based treatments for retinal degenerative diseases.

Biotechnology · Paris$2.0M Post-IPO Equity
Outpost
March 2026

Outpost.ai provides AI-powered infrastructure for cross-border commerce, acting as a legally liable entity for payments, taxes.

Artificial Intelligence (AI) · London$17.5M Series A
Typeform
March 2022

Typeform is a no-code SaaS platform offering tools that assist companies to engage with their audience and grow business.

Consumer Research · Barcelona$135.0M Series C
Tactic
March 2022

A new category of data automation. Answers, not search results.

B2B · London$4.5M Seed
Superlinked
February 2025

Building open source inference for AI agents.

Artificial Intelligence (AI) · San FranciscoSeed
Plaid
February 2026

Plaid develops financial technology infrastructure that enables applications to connect with users' bank accounts and financial data.

Banking · San FranciscoSecondary Market
Revel
February 2026

Revel provides a software platform that facilitates the development, deployment, and management of hardware systems,

Hardware · Los Angeles$150.0M Series B
Backbone
February 2022

Backbone offers a mobile gaming controller that is cloud-gaming and remote-play compatible, allowing people to play games from anywhere.

Apps · Beaverton$40.0M Series A
Motorway
February 2026

Motorway is an online used-car marketplace connecting people selling their car with a network of verified car dealers

Automotive · London$34.2M Debt Financing
Productboard
February 2022

Productboard is a product management system that helps organizations get the right products to market faster.

Artificial Intelligence (AI) · San Francisco$125.0M Series D
Clumio
February 2024

Clumio delivers cloud-based data protection and backup services tailored to enterprise needs.

Cloud Security · Santa Clara$75.0M Series D
Check
February 2022

Check is a leading payroll infrastructure provider that allows platforms to build successful payroll businesses.

Employee Benefits · New York$75.0M Series C
Funding Circle
February 2026

Funding Circle is a lending platform for small businesses.

Finance · London$1.1B Post-IPO Debt
Tines
February 2025

Tines is a no-code workflow automation platform designed especially for security teams.

Artificial Intelligence (AI) · Dublin$125.0M Series C
Plain
February 2025

Customer support for modern tools. Fast, flexible and extendable.

B2B · London$15.0M Series A
Great Expectations
February 2022

Our mission is to revolutionize the speed and integrity of data collaboration by creating a shared data quality standard.

Analytics · Salt Lake City$40.0M Series B
Superconductive
February 2022

Superconductive is the creator of Great Expectations, an open-source tool for data testing, documentation, and profiling.

Data Integration · Redwood City$40.0M Series B
Sublime Security
October 2025

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

Artificial Intelligence (AI) · Washington$150.0M Series C
Anrok
October 2025

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

Compliance · San Francisco$55.0M Series C
AdsGency AI
October 2025

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

Advertising Platforms · San Francisco$12.0M Seed
Resistant AI
October 2025

Resistant AI is a fraud detection company that specializes in document fraud detection and transaction monitoring.

Artificial Intelligence (AI) · Prague$25.0M Series B
Quilter
October 2025

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

Artificial Intelligence (AI) · Los Angeles$25.0M Series B
Phaidra
October 2025

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

Artificial Intelligence (AI) · Seattle$50.0M Series B

Where Index Ventures invests

Software12
Artificial Intelligence (AI)10
SaaS5
Machine Learning4
Information Technology3
E-Commerce3

About Index Ventures's portfolio

How many companies has Index Ventures invested in?▸

Index Ventures has invested in 599 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does Index Ventures invest in?▸

Index Ventures's top investment sectors include Software, Artificial Intelligence (AI), SaaS, Machine Learning, Information Technology. The firm invests across 65 different industry categories.

What is Index Ventures's largest investment?▸

Among tracked funding rounds, Funding Circle received $1.1B in a Post-IPO Debt round. Index Ventures's total known invested capital is $31.5B.

What is the average investment size for Index Ventures?▸

Index Ventures's average investment size is $68.0M across its portfolio of 599 companies.

What are Index Ventures's most recent investments?▸

Recent Index Ventures portfolio additions include Adaptive ML, GenSight Biologics, Outpost, Typeform, Tactic. These companies were founded in 2020 or later.

Reach the founders behind these 599 companies
Verified emails and LinkedIn profiles, updated monthly.
Get instant access →