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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
$4.3B
Avg Funding
$173.2M
Global Reach
6
countries

Top Cities for AI Infrastructure

Saint Laurent
Irvine
Ponte Vedra
Toronto
San Jose
Los Angeles

Recently Funded Companies

Export
Saint Laurent, Canada

5C is a data center that provides AI digital infrastructure, HPC systems, and scalable compute solutions for enterprises.

$835.0M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Irvine, United States

AONDevices provides super-low power edge AI solutions, including chips, algorithms, and software.

Jul 2025

Founder Contacts

30,000+ verified contacts

Ponte Vedra, United States

The Tech Loop powers anonymous collaboration, exclusive inventory access, talent sourcing, and responsible AI adoption in automotive retail.

$1.5M raised
Jul 2024

Founder Contacts

30,000+ verified contacts

Toronto, Canada

Untether AI develops AI chips to enable new frontiers in AI applications.

$125.0M raised
Jul 2021

Founder Contacts

30,000+ verified contacts

San Jose, United States

DreamBig Semiconductor provides Chiplet platform with SMARTNIC/DPU solutions for AI, data centers and storage acceleration.

$75.0M raised
Jul 2024

Founder Contacts

30,000+ verified contacts

Los Angeles, United States

Vast is the infrastructure layer where AI agents autonomously design, procure, and optimize their own compute.

$4.0M raised
Jul 2024

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Tecton provides an enterprise-ready feature store to make machine learning accessible to every company.

$100.0M raised
Jul 2022

Founder Contacts

30,000+ verified contacts

New York, United States

Super Protocol develops confidential AI infrastructure that enables execution of AI workloads, protecting data and models environments.

$2.2M raised
Jul 2022

Founder Contacts

30,000+ verified contacts

Singapore, Singapore

Silicon Box is a semiconductor integration service provider specializing in full chip design and manufacturing.

$77.6M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

London, United Kingdom

PhysicsX develops AI-powered engineering software that combines physics-based modeling, simulation, data management, and machine learning.

$300.0M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Melbourne Beach, United States

Gigantor Technologies accelerates machine learning or artificial intelligence models with its patented GigaMACS technology.

$10K raised
Jun 2023

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Miso Labs is a software development company that develops voice models that uses artificial intelligence for interactions.

Jun 2026

Founder Contacts

30,000+ verified contacts

Singapore, Singapore

DayOne develops and operates hyperscale digital infrastructure supporting cloud, AI, and edge computing workloads for enterprise platforms.

$2.5B raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Zürich, Switzerland

Synthara is an IT consulting firm that offers algorithms, semiconductors, machine learning, IoT, and artificial intelligence services.

$5.9M raised
Jun 2024

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Expanse is a cluster optimization platform that improves GPU utilization by predicting resource fit and failure risk at job submission time.

Jun 2026

Founder Contacts

30,000+ verified contacts

New Castle, United States

Aethex is developing the voice stack—from enterprise deployment to speech models for new markets.

$3.0M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Cel AI is an AI-powered customer support platform that automated customer interactions using AI chat and workflow automation.

$13.7M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

London, United Kingdom

NexGen Cloud offers sustainable cloud IaaS with a focus on HPC and GPU infrastructure, including GPUaaS via Hyperstack.

$34.0M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Santa Clara, United States

Netris is a network automation platform that enables operators to maximize GPU utilization through IaaS, PaaS, and GPU aggregator solutions.

$15.0M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Novi, United States

2nd Brain Labs offers a platform to integrate enterprise software and knowledge with AI infrastructure and generative capabilitues.

$400K raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Mount Laurel, United States

Runpod is a cloud platform designed for GPUs, enabling developers to deploy customized full-stack AI applications.

$100.0M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Round Rock, United States

XPerf focuses on AI-native software for both training and inference data centers to enhance their GPU utilization.

$2.5M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

Dresden, Germany

SpiNNcloud is an AI hardware company that develops brain-inspired computing systems and hardware for high-performance computing.

$11.6M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

Palo Alto, United States

Snowcap Compute develops AI chips utilizing advanced superconducting technology.

$23.0M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

Foster City, United States

ZutaCore develops liquid cooling technologies for data centers, AI infrastructure, and high-performance computing environments.

$100.0M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Showing 26 to 50 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
$173.2M
Total Funding Tracked
$4.3B
Countries Represented
6

Distribution by Funding Stage

Other25 companies

Top Cities for AI Infrastructure

1.San Francisco
3 companies$100.0M
2.London
3 companies$347.7M
3.Singapore
2 companies$2.6B
4.Saint Laurent
1 companies$835.0M
5.Irvine
1 companiesUndisclosed

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 2 | VCBacked