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Index Ventures
London, United Kingdom
Index Ventures backs exceptional founders, investing in people rather than just ideas, and supports them from seed through growth stages. They focus on global, technology‑driven businesses across software, AI, fintech, c...
Portfolio
257+
Employees
100+
Founded
1996
AUM
≈ $5.7B
Investment focus
Stages
Seed → Series C+
Industries
Software OnlyArtificial IntelligenceCybersecurityEnterprise Software
Geographic scope
Global
Fund details
Funds
12th venture fund
Vintage 2024 • $800.0M
7th growth fund
Vintage 2024 • $1.5B
Index Ventures XI
Vintage 2021 • $900.0M
Index Ventures Growth VI
Vintage 2021 • $2.0B
Index Origin
Vintage 2021 • $200.0M
Index Origin II
Vintage 2022 • $300.0M
Sources
Index Ventures
Index Ventures backs exceptional founders, investing in people rather than just ideas, and supports them from seed through growth stages. They focus on global, technology‑driven businesses across software, AI, fintech, cybersecurity and related sectors, seeking companies with deep conviction and the potential for lasting impact.
Portfolio
257+
Employees
100+
Founded
1996
AUM
≈ $5.7B
Funds
12th venture fund · Vintage 2024 • $800.0M
7th growth fund · Vintage 2024 • $1.5B
Index Ventures XI · Vintage 2021 • $900.0M
Index Ventures Growth VI · Vintage 2021 • $2.0B
Index Origin · Vintage 2021 • $200.0M
Index Origin II · Vintage 2022 • $300.0M
Stages
Seed → Series C+
Industries
Software OnlyArtificial IntelligenceCybersecurityEnterprise SoftwareFinancial Technology
Geographic scope
Global
Sources
Showing 24 of 133 matched portfolio companies
Abacus.AI offers an AI-assisted data science and MLOps platform that enables enterprises to automate the development and deployment of machine learning models using state-of-the-art generative AI technology. The platform addresses the complexity of building and managing applied AI systems by allowing organizations to create custom AI agents and streamline workflows across various data sources.
Funding: $90.3M
Rough estimate of the amount of funding raised
Funding: $90.3M
Rough estimate of the amount of funding raised
Adaptive ML develops a platform that enables companies to privately tune and deploy language models using reinforcement learning from human feedback. This technology allows businesses to enhance model performance while maintaining data privacy and optimizing outputs based on specific user metrics.
Funding: $20.0M
Rough estimate of the amount of funding raised
Funding: $20.0M
Rough estimate of the amount of funding raised
Adfin provides a payments platform that captures invoice data, automates credit control, and consolidates payment collection across direct debit, card, and bank transfer methods. Its AI‑driven Autopilot streamlines chasing, applies discounts or penalties, and integrates with accounting software such as Xero and QuickBooks. The result is faster cash flow, reduced manual effort, and transparent per‑transaction pricing for accountants, businesses, and platforms.
Funding: $4.9M
Rough estimate of the amount of funding raised
Funding: $4.9M
Rough estimate of the amount of funding raised
Adoyen is a real estate investment marketplace that enables individuals to invest in vetted commercial and residential properties with a minimum investment of $25, facilitating portfolio diversification. The platform incorporates social features for community engagement and real-time notifications, addressing the challenge of accessibility in real estate investing for everyday people.
Funding: $50.0K
Rough estimate of the amount of funding raised
Funding: $50.0K
Rough estimate of the amount of funding raised
Adzuna is a job search engine that aggregates job advertisements from various sources, allowing users to find employment opportunities in one centralized platform. The service utilizes advanced algorithms to provide tailored job matches and salary insights, helping job seekers navigate the complexities of the job market more effectively.
Funding: $10.8M
Rough estimate of the amount of funding raised
Funding: $10.8M
Rough estimate of the amount of funding raised
This company develops space-based solar power systems utilizing small satellites and infrared lasers to transmit energy to Earth. The core offering provides continuous, resilient power delivery for contested environments, disaster relief, and orbital AI compute infrastructure. This approach bypasses vulnerable terrestrial power grids to ensure energy access where traditional delivery methods fail.
The startup offers ISO management software that streamlines compliance with ISO standards by integrating design processes into a centralized data repository. This platform enhances project management and information maintenance, leading to improved quality and efficiency for engineering teams.
1000+
1K+Approximate amount of employees
Funding: $5.5M
Rough estimate of the amount of funding raised
Funding: $5.5M
Rough estimate of the amount of funding raised
ALAN utilizes AI-driven SMS communication to convert leads into scheduled meetings, significantly increasing appointment attendance rates for marketing agencies. By automating lead nurturing and integrating with clients' calendars, ALAN reduces wasted leads and enhances client profitability without any recurring fees.
Funding: $193.3M
Rough estimate of the amount of funding raised
Funding: $193.3M
Rough estimate of the amount of funding raised
Albert is a financial technology platform that combines budgeting, saving, and investing features into a single app, utilizing automated algorithms to analyze users' income and spending patterns. The app addresses the challenge of financial management by providing personalized insights and facilitating seamless transactions, enabling over 10 million users to effectively track their finances and achieve their savings goals.
Funding: $175.6M
Rough estimate of the amount of funding raised
Funding: $175.6M
Rough estimate of the amount of funding raised
Algolia offers a cloud‑native AI Retrieval Platform that unifies search, recommendation, and generative AI into a single service. It provides sub‑100 ms neural‑ranked results, real‑time behavioral suggestions, and retrieval‑augmented generation through REST APIs and pre‑built SDKs for web, mobile, and voice interfaces. The platform also includes data enrichment at index time, custom AI agents, and enterprise‑grade security across a global multi‑region infrastructure.
Funding: $150.0M
Rough estimate of the amount of funding raised
Funding: $150.0M
Rough estimate of the amount of funding raised
Alke offers an AI-powered platform that simplifies and reduces the cost of debt renegotiation for individuals and families. The system analyzes financial situations to optimize proposals for creditors, aiming for faster resolutions and lower fees than traditional legal services.
Allara Health provides virtual specialty care for women managing complex hormonal, metabolic, and gynecological conditions. Patients receive personalized treatment plans developed collaboratively by board-certified medical providers and registered dietitians. This telehealth platform integrates medical management with nutrition support to address whole-body health, often covered by insurance.
Funding: $26.0M
Rough estimate of the amount of funding raised
Funding: $26.0M
Rough estimate of the amount of funding raised
Ankar AI provides an AI operating system tailored for patent professionals across law firms and in-house teams. The platform supports the entire patent lifecycle, offering modules for idea generation, precision drafting, prosecution guidance, and infringement detection. This technology streamlines complex IP workflows, enabling users to enhance efficiency and strategic focus throughout patent management.
Funding: $3.8M
Rough estimate of the amount of funding raised
Funding: $3.8M
Rough estimate of the amount of funding raised
The startup operates an online B2B marketplace that connects European brands with local retailers, enabling the sale of niche products not typically available on major e-commerce platforms. This platform facilitates quick product discovery for retailers and ensures direct transactions with brands, addressing cash flow issues through payment upon delivery.
Funding: $420.4M
Rough estimate of the amount of funding raised
Funding: $420.4M
Rough estimate of the amount of funding raised
Anrok provides a global sales tax solution designed for modern commerce operations. The platform automates sales tax calculation, filing, and remittance across various jurisdictions, including US sales tax and international VAT/GST. This service helps growing companies maintain tax compliance while monitoring nexus exposure and integrating with existing financial stacks.
75+
5K+Approximate amount of employees
Funding: $51.9M
Rough estimate of the amount of funding raised
Funding: $51.9M
Rough estimate of the amount of funding raised
Anthropic develops AI models, including Claude 3.5 Sonnet, that prioritize safety in large-scale AI systems through techniques like Constitutional AI, which ensures harmlessness via AI feedback. The company addresses the risks associated with deploying advanced AI technologies by creating reliable and beneficial systems for enterprises.
Funding: $17.1B
Rough estimate of the amount of funding raised
Funding: $17.1B
Rough estimate of the amount of funding raised
This company provides AI-driven solutions for workforce training and development. It leverages intelligent tutoring systems and adaptive learning platforms to deliver personalized upskilling at scale. The focus is on preparing employees for evolving job roles impacted by automation and AI integration.
Funding: $7.0M
Rough estimate of the amount of funding raised
Funding: $7.0M
Rough estimate of the amount of funding raised
ApplyBoard is a study abroad application platform that connects students with educational institutions and recruitment partners through a streamlined digital interface. The platform simplifies the application process for international education by providing tailored program matches, dedicated support, and access to exclusive scholarships, helping over 300,000 students navigate their study abroad journeys.
Funding: $554.0M
Rough estimate of the amount of funding raised
Funding: $554.0M
Rough estimate of the amount of funding raised
Apron provides an integrated platform for automating business financial operations, including supplier payments, payroll, and expense management. The system digitizes invoice capture, facilitates batch payments with approval workflows, and issues corporate cards with spending controls. This solution aims to streamline cash flow management and reduce administrative overhead for business owners.
Funding: $48.6M
Rough estimate of the amount of funding raised
Funding: $48.6M
Rough estimate of the amount of funding raised
Argent offers a self-custody smart wallet for cryptocurrencies that eliminates the need for seed phrases while providing features like low-cost token transactions and real-time fraud monitoring. The platform enables users to manage their digital assets securely and efficiently, addressing the complexities and high fees often associated with cryptocurrency transactions.
Funding: $57.5M
Rough estimate of the amount of funding raised
Funding: $57.5M
Rough estimate of the amount of funding raised
Arist provides a platform that integrates learning and training directly into messaging tools like Teams and Slack, utilizing AI to convert extensive documentation into interactive courses in minutes. This approach enables companies to deliver training at the moment of need, significantly improving employee performance and reducing training time by up to 10 times.
Funding: $16.1M
Rough estimate of the amount of funding raised
Funding: $16.1M
Rough estimate of the amount of funding raised
Arondite develops foundational software and Artificial Intelligence to power autonomous usage in defense technology applications. The company focuses on engineering solutions that integrate AI, software, and hardware for complex mission orchestration. This work enables advanced capabilities for autonomous systems within the defense sector.
Funding: $2.3M
Rough estimate of the amount of funding raised
Funding: $2.3M
Rough estimate of the amount of funding raised
Ascend is a finance automation platform designed for insurance retailers, brokers, MGAs, and carriers, utilizing administrative process automation and treasury management to enhance operational efficiency. By providing accurate revenue recognition and reducing back-office expenses, Ascend helps insurance businesses increase profitability and streamline financial operations.
Funding: $30.0M
Rough estimate of the amount of funding raised
Funding: $30.0M
Rough estimate of the amount of funding raised
The platform aggregates real-time repair quotes from vetted independent garages across the UK, displaying transparent cost breakdowns, distance metrics, and customer ratings. Users can compare offers by price, proximity, and quality before booking and paying online, with a price‑match guarantee and optional courtesy‑car options. It also standardises labour time estimates and offers API access for fleet managers to submit bulk service requests.
Funding: $7.9M
Rough estimate of the amount of funding raised
Funding: $7.9M
Rough estimate of the amount of funding raised
Showing 12 of 124 unmatched portfolio companies
Elementl
No website provided
We don't have a full profile for this company yet.
Brightback
No website provided
We don't have a full profile for this company yet.
Cartesia
No website provided
We don't have a full profile for this company yet.
flatfair
No website provided
We don't have a full profile for this company yet.
Grailed
No website provided
We don't have a full profile for this company yet.
GOAT
No website provided
We don't have a full profile for this company yet.
Fireblocks
No website provided
We don't have a full profile for this company yet.
Duo
No website provided
We don't have a full profile for this company yet.
/dev/agents
No website provided
We don't have a full profile for this company yet.
Bigger Games
No website provided
We don't have a full profile for this company yet.
Cowboy
No website provided
We don't have a full profile for this company yet.
Feathery
No website provided
We don't have a full profile for this company yet.







