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Quantum Computing Startups

Updated July 2026

Companies in the quantum computing sector developing innovative solutions and technologies.

Explore 172 recently funded quantum computing companies with verified founder contact information and fundraising data.

Total Companies
172
Total Funding
$215.7M
Avg Funding
$8.6M
Global Reach
13
countries

Top Cities for Quantum Computing

Toronto
San Jose
Saint-germain-en-laye
Delft
Goleta
Kanagawa

Recently Funded Companies

Export
Toronto, Canada

Agnostiq is the company behind Covalent, a fully Pythonic, serverless compute engine for AI/ML/HPC. Learn more at www.covalent.xyz

$9.1M raised
Apr 2023

Founder Contacts

30,000+ verified contacts

San Jose, United States

Empowering enterprises with Agentic AI, LLMs, MCP & Quantum AI | From automation to autonomy—engineering the future, today.

$7.4M raised
Apr 2025

Founder Contacts

30,000+ verified contacts

Saint-germain-en-laye, France

Viqthor specializes in cutting-edge technology at the intersection of RF, microwaves, photonics, and quantum physics.

$1.1M raised
Apr 2024

Founder Contacts

30,000+ verified contacts

Delft, The Netherlands

Groove Quantum is a company that develops germanium-based quantum computing technology.

$11.7M raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Goleta, United States

OpenLight is a manufacturing company that specializes in custom photonic application and circuit chip design.

$50.0M raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Kanagawa, Japan

Qubitcore is a startup established with the aim of implementing the research results of the Quantum Information Physics Experimental Unit.

$9.6M raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Bristol, United Kingdom

KETS Quantum Security is developing a range of future-proof, cost-effective technologies for quantum-secured communications.

$4.0M raised
Apr 2022

Founder Contacts

30,000+ verified contacts

Lublin, Poland

Quantum SaaS for Market Risk Management for Financial Institutions

Apr 2026

Founder Contacts

30,000+ verified contacts

Lodz, Poland

ResQuant develops fully flexible design of cryptographic processor resistant to attacks with quantum computers.

Apr 2026

Founder Contacts

30,000+ verified contacts

Delft, The Netherlands

Orange Quantum Systems develops hardware and software solutions for testing and characterizing quantum chip performance.

$17.7M raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Castelldefels, Spain

Bringing quantum-safe cryptography to the Telecommunication industry

$1.0M raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Stanford, United States

Haiqu is a quantum computing software firm focusing on the development.

Apr 2026

Founder Contacts

30,000+ verified contacts

Tokyo, Japan

Quemix is an information technology company that specializes in quantum computing solutions.

$3.8M raised
Apr 2025

Founder Contacts

30,000+ verified contacts

Copenhagen, Denmark

Kvantify provides Quantum computing and HPC software solutions that address hard computational challenges.

$8.1M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Chicago, United States

memQ is developing quantum network technologies

$10.0M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Espoo, Finland

IQM Quantum Computers builds superconducting full-stack quantum computer systems designed for research institutions and developers.

$57.5M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Guildford, United Kingdom

Quantopticon develops software for simulating quantum-photonic devices.

Mar 2025

Founder Contacts

30,000+ verified contacts

Sydney, Australia

To advance the development and commercialisation.

$13.9M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Vienna, Austria

zerothird specializes in cutting-edge quantum cryptography, particularly Quantum Key Distribution (QKD) technology.

Mar 2026

Founder Contacts

30,000+ verified contacts

Oxford, United Kingdom

PQShield is a post-quantum cryptography company that develops cryptographic algorithms and protocols to secure technology infrastructures.

Mar 2026

Founder Contacts

30,000+ verified contacts

Cambridge, United States

CavilinQ develops quantum connectivity hardware designed to link quantum processors and expand quantum computing capability.

$8.8M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Salt Lake City, United States

XRDNA builds Mission Fabric, enabling semantic interoperability and decentralized coordination across systems, AI, and space.

$750K raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Mountain View, United States

Sygaldry Technologies is a tech company building quantum-accelerated AI servers to exponentially speed up AI training and inference.

Mar 2026

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Exla employs quantization techniques for AI models to reduce memory consumption while simultaneously improving inference speed.

Mar 2025

Founder Contacts

30,000+ verified contacts

Stuttgart, Germany

GeQD is a spin-off developing CMOS-compatible single-photon detectors for quantum technologies and next-generation LiDAR systems.

$1.3M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Showing 51 to 75 of 172 companies

About the Quantum Computing Startup Ecosystem

The quantum computing 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 Quantum Computing

Quantum Computing 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 quantum computing 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.

Quantum Computing Funding Breakdown

Here is how funding is distributed among the 172 quantum computing companies tracked in the VCBacked database.

Average Funding
$8.6M
Total Funding Tracked
$215.7M
Countries Represented
13

Distribution by Funding Stage

Other25 companies

Top Cities for Quantum Computing

1.Delft
2 companies$29.3M
2.Toronto
1 companies$9.1M
3.San Jose
1 companies$7.4M
4.Saint-germain-en-laye
1 companies$1.1M
5.Goleta
1 companies$50.0M

Related Industries

Companies in the quantum computing 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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