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AI Infrastructure Startups

Updated October 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 681 recently funded ai infrastructure companies with verified founder contact information and fundraising data.

Total Companies
681
Total Funding
$734.2M
Avg Funding
$29.4M
Global Reach
4
countries

Top Cities for AI Infrastructure

San Francisco
Denver
Boston
Munich
Wilmington
Austin

Recently Funded Companies

Export
San Francisco, United States

Fluidize offers AI-powered SaaS for automating and managing scientific simulation workflows.

$500K raised
Sep 2025

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Relling provides modular AI-driven testing tools for system integration and validation.

$500K raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Denver, United States

The only AI-powered enterprise search engine that keeps your data in your cloud.

$24.0M raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Boston, United States

Harnessing light to power new possibilities

$210.4M raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Munich, Germany

Tangany is a regulated crypto custodian based in Germany.

$11.7M raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Wilmington, United States

Definite is a data platform that enables businesses to connect, organize, and analyze their data from various sources.

$10.0M raised
Aug 2025

Founder Contacts

41,000+ verified contacts

Austin, United States

Anaconda is an open-source distribution of the Python and R programming languages for data science that simplifies package management.

$150.0M raised
Jul 2025

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Legal tech company that qualifies, intakes, closes, and retains clients with AI agents.

$3.2M raised
Jul 2025

Founder Contacts

41,000+ verified contacts

Osnabrück, Germany

Droidrun develops software that allows AI agents to access smartphones and control apps.

$2.5M raised
Jul 2025

Founder Contacts

41,000+ verified contacts

Munich, Germany

abaut builds a SaaS that enables businesses along the construction value chain to make better decisions and maximize their efficiency.

$3.8M raised
Jul 2025

Founder Contacts

41,000+ verified contacts

New York, United States

For everything that happens after you deploy.

$20.0M raised
Jun 2025

Founder Contacts

41,000+ verified contacts

Bellevue, United States

Scalable earthmoving is not optional. It's required for our civilization to flourish.

$50.0M raised
Jun 2025

Founder Contacts

41,000+ verified contacts

Tampa, United States

BlockSpaces is a Bitcoin-native platform that automates financial risk management and settlement.

$2.0M raised
May 2025

Founder Contacts

41,000+ verified contacts

Washington, United States

Rhizome is helping electric utilities assess and prevent climate-induced power grid failures.

$6.5M raised
May 2025

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Plenful is a no-code workflow automation and AI platform that optimizes healthcare's manual, administrative workflows.

$50.0M raised
Apr 2025

Founder Contacts

41,000+ verified contacts

Miami, United States

CAST AI is the leading Kubernetes automation platform that cuts AWS, Azure, and GCP customers' cloud costs by over 50%

$108.0M raised
Apr 2025

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Emobi is the leading EV charging ecosystem that offers a single point of integration.

$100K raised
Apr 2025

Founder Contacts

41,000+ verified contacts

Oviedo, Spain

Revolutionizing Infrastructure with AI-driven Predictive Observability and DevOps

$516K raised
Apr 2025

Founder Contacts

41,000+ verified contacts

Seattle, United States

Ravenna is a Slack and AI native ITSM. Spend less time on support tickets with Ravenna's AI automated knowledge base.

$15.0M raised
Apr 2025

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Serverless data platform that lets developers build, version, and deploy AI and data applications directly on S3 using Python.

$7.5M raised
Apr 2025

Founder Contacts

41,000+ verified contacts

San Jose, United States

The Realtime Cloud. Build and scale voice and video applications.

$45.0M raised
Apr 2025

Founder Contacts

41,000+ verified contacts

New York, United States

AI Infra

$5.3M raised
Apr 2025

Founder Contacts

41,000+ verified contacts

Zurich, Switzerland

TON DC is an internet company that operates as a decentralized network data center, supporting the dynamic development of the TON ecosystem.

$3.2M raised
Apr 2025

Founder Contacts

41,000+ verified contacts

Issaquah, United States

AI research assistant for biology.

$4.5M raised
Apr 2025

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Plume Networks is a developer of a blockchain platform for onboarding and managing diverse real-world assets.

Apr 2025

Founder Contacts

41,000+ verified contacts

Showing 451 to 475 of 681 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 681 ai infrastructure companies tracked in the VCBacked database.

Average Funding
$29.4M
Total Funding Tracked
$734.2M
Countries Represented
4

Distribution by Funding Stage

Other25 companies

Top Cities for AI Infrastructure

1.San Francisco
7 companies$61.8M
2.Munich
2 companies$15.5M
3.New York
2 companies$25.4M
4.Denver
1 companies$24.0M
5.Boston
1 companies$210.4M

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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681 AI Infrastructure Startups (2026) — Recently Funded — Page 19 | VCBacked