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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
$1.1B
Avg Funding
$44.7M
Global Reach
8
countries

Top Cities for Quantum Computing

Berkeley
Middletown
London
Delft
Siegen
Palo Alto

Recently Funded Companies

Export
Berkeley, United States

Atom Computing develops gate-based quantum computers that use arrays of optically trapped neutral atoms as qubits.

$100.0M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Berkeley, United States

Rigetti Computing is a quantum computing company that builds and deploys full-stack quantum systems with superconducting qubits.

Jun 2025

Founder Contacts

30,000+ verified contacts

Middletown, United States

Cloud infrastructure, Enterprise & Govt AIML services, empaneled with US/IN/UAE/SG Government vendor

$500K raised
Jun 2024

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Quantum Motion develops quantum computing systems based on silicon semiconductor technology used in conventional electronics manufacturing.

$163.5M raised
May 2026

Founder Contacts

30,000+ verified contacts

Delft, The Netherlands

QuantWare develops and fabricates superconducting quantum processors and related hardware for use in quantum computing systems.

$178.0M raised
May 2026

Founder Contacts

30,000+ verified contacts

Siegen, Germany

eleQtron develops and operates trapped-ion quantum computers built for industrial and scientific use.

$66.6M raised
May 2026

Founder Contacts

30,000+ verified contacts

Palo Alto, United States

Menten AI develops peptide and protein therapeutics using machine learning and quantum computing.

May 2023

Founder Contacts

30,000+ verified contacts

Vancouver, Canada

1QBit is a quantum computing software company that focuses on building hardware-agnostic software.

$2.5M raised
May 2024

Founder Contacts

30,000+ verified contacts

New York, United States

EeroQ designs quantum-computing hardware using a novel approach based on single electrons floating on superfluid helium.

May 2026

Founder Contacts

30,000+ verified contacts

Tampere, Finland

Quanscient develops a multiphysics simulation software that utilizes quantum computing algorithms to improve simulation technology.

$11.6M raised
May 2026

Founder Contacts

30,000+ verified contacts

Paris, France

Alice & Bob is a quantum computing company that develops fault-tolerant quantum computers using its proprietary cat qubit architecture.

May 2026

Founder Contacts

30,000+ verified contacts

Palo Alto, United States

PsiQuantum focuses on developing a scalable quantum computer using photonic qubits.

$100.0M raised
May 2026

Founder Contacts

30,000+ verified contacts

Sydney, Australia

Diraq develops quantum computers utilizing modified silicon transistors, making them suitable for utility-scale applications.

$38.0M raised
May 2026

Founder Contacts

30,000+ verified contacts

Sherbrooke, Canada

Nord Quantique creates quantum processors based on second-generation technology, focuses on quantum computing error correction.

$30.0M raised
May 2026

Founder Contacts

30,000+ verified contacts

Corvallis, United States

Phosio Corporation creates materials used to deposit metal oxides at low temperatures.

$4.0M raised
May 2026

Founder Contacts

30,000+ verified contacts

Toronto, Canada

Xanadu provides hardware, software, applications, and simulators for quantum computing.

$300.0M raised
May 2026

Founder Contacts

30,000+ verified contacts

Sheffield, United Kingdom

Defining the future of computing with full stack photonic quantum computers

May 2024

Founder Contacts

30,000+ verified contacts

New Haven, United States

Quantum Circuits is delivering a full-stack quantum computer based on the innovative dual-rail qubit providing superior performance.

$60.0M raised
May 2024

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

Turku, Finland

Algorithmiq develops algorithms to solve currently inaccessible problems in life sciences.

$21.2M raised
May 2026

Founder Contacts

30,000+ verified contacts

London, United Kingdom

QMatter develops simulation tools for molecular modelling based on quantum compression mechanism.

$1.2M raised
Apr 2026

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Qoro Quantum is an information technology company that offers software and quantum computing services.

$750K raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Strasbourg, France

QPerfect builds quantum middleware, enabling error correction and simulation to bridge algorithms and hardware for fault-tolerant computing.

$2.2M raised
Apr 2025

Founder Contacts

30,000+ verified contacts

College Park, United States

IONQ offers enterprise-grade quantum systems designed for businesses seeking to harness the power of quantum computing in their operations.

$20.0M raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Boston, United States

Zapata Quantum is a quantum software company that offers computing solutions for industrial and commercial use.

$15.0M raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Showing 26 to 50 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
$44.7M
Total Funding Tracked
$1.1B
Countries Represented
8

Distribution by Funding Stage

Other25 companies

Top Cities for Quantum Computing

1.London
3 companies$165.4M
2.Berkeley
2 companies$100.0M
3.Palo Alto
2 companies$100.0M
4.Middletown
1 companies$500K
5.Delft
1 companies$178.0M

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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