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AI Infrastructure Startups

Updated July 2026

AI infrastructure startups building the foundation models, GPU clouds, inference platforms, vector databases, and orchestration layers that power modern AI applications. These companies sit between hyperscalers and AI product teams.

Explore 273 recently funded ai infrastructure companies with verified founder contact information and fundraising data.

Total Companies
273
Total Funding
$2.8B
Avg Funding
$112.5M
Global Reach
6
countries

Top Cities for AI Infrastructure

Broomfield
London
Kowloon City
Fremont
Bristol
San Carlos

Recently Funded Companies

Export
Broomfield, United States

Liqid offers a composable infrastructure software platform that allows users to manage, scale, and configure bare-metal servers.

$8.0M raised
May 2026

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Fractile develops semiconductor hardware and AI inference systems for large language model processing.

$220.0M raised
May 2026

Founder Contacts

30,000+ verified contacts

Kowloon City, Hong Kong

3E Network Technology Group provides B2B IT solutions and develops AI and blockchain data center infrastructure services.

$1.5M raised
May 2026

Founder Contacts

30,000+ verified contacts

Fremont, United States

Mivium creates new semiconductor materials to fulfill society's current and future demands.

$1.8M raised
May 2026

Founder Contacts

30,000+ verified contacts

Bristol, United Kingdom

Graphcore develops a microprocessor designed for AI and machine learning applications.

$457.2M raised
May 2026

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Nscale builds AI data centers and provides GPU cloud infrastructure that companies use to train, run, and scale large AI models.

May 2026

Founder Contacts

30,000+ verified contacts

San Carlos, United States

Cowboy Space is a space technology company developing solar-powered orbital data centers for AI computing infrastructure.

$275.0M raised
May 2026

Founder Contacts

30,000+ verified contacts

New York, United States

Beam is the infrastructure provider for the fastest growing AI products for companies who need performance, control, and reliability.

May 2022

Founder Contacts

30,000+ verified contacts

New York, United States

VAST Data offers an AI Operating System that integrates storage, database, and compute engine capabilities into a single software platform.

$1.0B raised
Apr 2026

Founder Contacts

30,000+ verified contacts

San Jose, United States

SiMa.ai is a developer of machine learning technology to deliver a software-centric platform.

Apr 2026

Founder Contacts

30,000+ verified contacts

Palo Alto, United States

Aria Networks develops an AI-powered networking platform that monitors, analyses, and optimises data center performance.

$125.0M raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Salem, United States

Integrated Quantum Technologies develops quantum-resilient and AI infrastructure for enterprise AI and machine-learning pipelines.

$1.8M raised
Apr 2026

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Wearable that decodes inner voice

$500K raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Saint Leonards, Australia

Firmus Technologies creates AI Factories with liquid-everywhere, energy optimized designs for maximum AI token output with least cost.

$505.0M raised
Apr 2026

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Chroma operates as an AI-native open-source embedding database.

$18.0M raised
Apr 2023

Founder Contacts

30,000+ verified contacts

São Paulo, Brazil

Assis is an AI productivity platform that helps teams automate research, content creation, summarization, and workflow tasks across tools.

$5.0M raised
Apr 2023

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Redpanda is pioneering the agentic data plane — AI infrastructure to connect agents with enterprise data and systems simply and securely.

$100.0M raised
Apr 2025

Founder Contacts

30,000+ verified contacts

San Francisco, United States

OpenBox AI provides AI governance, runtime enforcement, identity, policy, and risk control services.

$5.0M raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Alhambra, United States

AI & ML Semiconductors, Application specific semiconductors, Optical chips, InP, Optical interconnects, Wireless, TMT

$9.0M raised
Apr 2024

Founder Contacts

30,000+ verified contacts

San Francisco, United States

StableBrowse provides browser infrastructure and tools that let AI agents navigate and automate workflows on dynamic websites.

$500K raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Portland, United States

AI Liquidity Coordinator for the Lightning Network. Lightning-Native Payments, P2P Trading, and Yield.

$4.0M raised
Apr 2023

Founder Contacts

30,000+ verified contacts

Scottsdale, United States

SKai Innovations offers AI-powered roofing analytics for contractors who want to own their market.

$300K raised
Apr 2026

Founder Contacts

30,000+ verified contacts

San Francisco, United States

GovGuard provides AI software that automates FOIA and public records workflows for government agencies.

$500K raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Singapore, Singapore

Roundhouse Digital is an AI platform that maintains Ethereum reserves while combining operational growth with digital asset management.

$350K raised
Apr 2026

Founder Contacts

30,000+ verified contacts

San Francisco, United States

OpenAI is an AI research and deployment company that develops advanced AI models, including ChatGPT.

$75.0M raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Showing 101 to 125 of 273 companies

About the AI Infrastructure Startup Ecosystem

The ai infrastructure sector is an active area of startup innovation and venture capital investment. Companies in this space are developing new technologies, platforms, and services that address evolving market needs and create new business opportunities.

Funding Trends in AI Infrastructure

AI Infrastructure companies raise capital across various funding stages, from early seed rounds to late-stage growth financing. Investor interest in this sector is driven by the size of the addressable market, the pace of technology adoption, and the potential for scalable business models.

Growth Outlook

The ai infrastructure sector is expected to continue evolving as technology advances, market dynamics shift, and new opportunities emerge. Companies that demonstrate strong product-market fit, efficient growth, and clear competitive advantages are well-positioned to attract continued investment.

AI Infrastructure Funding Breakdown

Here is how funding is distributed among the 273 ai infrastructure companies tracked in the VCBacked database.

Average Funding
$112.5M
Total Funding Tracked
$2.8B
Countries Represented
6

Distribution by Funding Stage

Other25 companies

Top Cities for AI Infrastructure

1.San Francisco
7 companies$199.5M
2.London
2 companies$220.0M
3.New York
2 companies$1.0B
4.Broomfield
1 companies$8.0M
5.Kowloon City
1 companies$1.5M

Related Industries

Companies in the ai infrastructure sector often overlap with or complement businesses in adjacent industries. Exploring related verticals can help you discover additional companies, identify partnership opportunities, and understand the broader competitive landscape.

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