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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
$2.6B
Avg Funding
$103.9M
Global Reach
4
countries

Top Cities for AI Infrastructure

Wilmington
Los Gatos
San Francisco
Newark
Palo Alto
London

Recently Funded Companies

Export
Wilmington, United States

Saas, payments, merchants, e-commerce, AI

$5.0M raised
Feb 2025

Founder Contacts

30,000+ verified contacts

Los Gatos, United States

Rapid Silicon is a provider of domain-specific field-programmable gate array for applications.

$15.0M raised
Jan 2023

Founder Contacts

30,000+ verified contacts

San Francisco, United States

AI Infrastructure on Autopilot

$500K raised
Jan 2026

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Labelbox is the leading data factory for AI teams.

$110.0M raised
Jan 2022

Founder Contacts

30,000+ verified contacts

Newark, United States

Providing Database-less Queries through AI enhanced GPU acceleration

$400K raised
Jan 2025

Founder Contacts

30,000+ verified contacts

Palo Alto, United States

Inference.ai is an IT company that provides artificial intelligence solutions and manufactures GPUs.

$4.0M raised
Jan 2024

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Gensyn is the network for machine intelligence

$16.7M raised
Dec 2025

Founder Contacts

30,000+ verified contacts

Palo Alto, United States

Fiddler provides enterprise model performance management software that allows monitoring, explaining, analyzing, and improving ML models.

$30.0M raised
Jan 2026

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Incode is a global identity verification leader. Its AI-powered tech helps companies prevent fraud, scale securely, and stay compliant.

$220.0M raised
Dec 2021

Founder Contacts

30,000+ verified contacts

Palo Alto, United States

Ricursive Intelligence uses AI and computing to shorten semiconductor timelines through recursive cycles designing silicon for AI.

$300.0M raised
Jan 2026

Founder Contacts

30,000+ verified contacts

Milan, Italy

UNGUESS is a crowdtesting platform for UX, QA, accessibility, AI training and security testing.

$10.9M raised
Jan 2023

Founder Contacts

30,000+ verified contacts

Delaware, United States

Sentez is an AI Portfolio Company that rapidly builds, tests, and scales AI-powered apps, from idea to market in days.

$500K raised
Dec 2025

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Outerbounds provides human-centric infrastructure for ML and data science based on Metaflow, an open-source framework created at Netflix

$18.5M raised
Dec 2021

Founder Contacts

30,000+ verified contacts

Santa Clara, United States

Ambient Scientific is a semiconductor solution company for battery-powered endpoint and edge AI.

$10.0M raised
Dec 2021

Founder Contacts

30,000+ verified contacts

Peterborough, United Kingdom

7Spire builds causal AI and reinforcement-learning tools for operational decision intelligence.

$5.0M raised
Dec 2025

Founder Contacts

30,000+ verified contacts

Seattle, United States

Software for robotic, smart sensing, and Edge-AI applications

$232K raised
Dec 2025

Founder Contacts

30,000+ verified contacts

New York, United States

Fluidstack provides cloud infrastructure for AI with GPU clusters, orchestration, and monitoring for intensive workloads.

$842.5M raised
Jan 2026

Founder Contacts

30,000+ verified contacts

Austin, United States

Neurophos develops photonic AI processing technology that focuses on hardware solutions for accelerating artificial intelligence inference.

$110.0M raised
Jan 2026

Founder Contacts

30,000+ verified contacts

San Jose, United States

Axiado is a security processor company redefining hardware root of trust with hardware-based security technologies, including per-system AI.

$100.0M raised
Dec 2025

Founder Contacts

30,000+ verified contacts

Toronto, Canada

Tenstorrent develops AI hardware and software solutions for data processing and machine learning application.

$693.0M raised
Dec 2024

Founder Contacts

30,000+ verified contacts

Berkeley, United States

Hardware Accelerated Rack Scale AI Agent Runtime

$500K raised
Dec 2025

Founder Contacts

30,000+ verified contacts

San Francisco, United States

RadixArk focuses on developing infrastructure for AI inference and training systems.

$100.0M raised
Jan 2026

Founder Contacts

30,000+ verified contacts

London, United Kingdom

AI RFQ Automation for Industrial Manufacturers

$1.2M raised
Jan 2026

Founder Contacts

30,000+ verified contacts

Edinburgh, United Kingdom

SynapseDx is an AI driven company that offers infrastructure for organizations to safely deploy AI at scale.

$400K raised
Jan 2026

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Ando is an AI-native workforce infrastructure for predictive demand and intelligent workforce allocation.

$4.0M raised
Dec 2025

Founder Contacts

30,000+ verified contacts

Showing 201 to 225 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
$103.9M
Total Funding Tracked
$2.6B
Countries Represented
4

Distribution by Funding Stage

Other25 companies

Top Cities for AI Infrastructure

1.San Francisco
6 companies$453.0M
2.Palo Alto
3 companies$334.0M
3.London
2 companies$17.9M
4.Wilmington
1 companies$5.0M
5.Los Gatos
1 companies$15.0M

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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273 AI Infrastructure Startups (2026) — Recently Funded Companies, Investors & Rounds — Page 9 | VCBacked