Top 23 Quantum Computing startups

Updated: May 11, 2026
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Quantum computing is considered as a platform for AI systems. These companies develop quantum processors and quantum algorithms that can dramatically accelerate computational tasks for machine learning or even create a new platform for AGI.
1
QuantumCore
Country: Canada | Funding: CA$8.7M
The QuantumCore foundation is building quantum’s backbone for a new era. Its products unlock reliable qubit communication, stability, and scaling for tomorrow’s processors. It engineers infrastructure designed for the next wave of quantum systems.
2
Haiqu
Country: USA | Funding: $16.8M
Haiqu is a quantum computing software firm focusing on the development.
3
D-Wave
Country: Canada | Funding: $849M
D-Wave Systems designs and manufactures quantum computing and superconducting electronics.
4
Rigetti Computing
Country: USA | Funding: $783.5M
Rigetti Computing is a full-stack quantum computing company. They design and manufacture superconducting quantum integrated circuits, package and deploy those chips in a low temperature environment, and build control systems to perform quantum logic operations on them.
5
IQM
Country: Finland | Funding: $569.1M
IQM builds scalable hardware for universal quantum computers, focusing on superconducting technology.
6
IonQ
Country: USA | Funding: $432M
IonQ is a developer of quantum computing for commercial applications.
7
Quantum Machines
Country: Israel | Funding: $363M
Quantum Machines is developing operation and control systems for quantum computers - hardware and software that allow to realize the potential of quantum computing.
8
Multiverse Computing
Country: Spain | Funding: $344.3M
Multiverse Computing is a quantum software company that applies advanced solutions to solve complex challenges.
9
ColdQuanta
Country: USA | Funding: $307.8M
ColdQuanta develops and designs instruments and systems for quantum technology applications. The company offers unique products and services for scientific and industrial applications such as cold atom information processing, atomic clocks, and inertial sensing.
10
QuEra
Country: USA | Funding: $247M
QuEra Computing is a neutral-atoms-based quantum computing startup, located in Boston, near Harvard University.
11
Pasqal
Country: France | Funding: $156.9M
PASQAL provides quantum processors for use in complex computing challenges.
12
Oxford Quantum Circuits
Country: UK | Funding: $146.5M
Oxford Quantum Circuits developing technology using the power of quantum to do things which have never been achieved before.
13
Origin Quantum
Country: China | Funding: CN¥1B
Origin Quantum develops superconducting quantum computer Origin Wukong, equipped with a 102-bit independently developed superconducting quantum chip. It ranks among the most advanced programmable and deliverable superconducting quantum computers available today. With its revolutionary computational power, quantum computing is poised to play a critical role in fields such as biochemistry, artificial intelligence, fintech, information security, and engineering design, and is likely to fundamentally reshape the trajectory of these industries.
14
Q-CTRL
Country: Australia | Funding: $133M
Q-CTRL develops software that reduces error and noise in quantum computing hardware
15
Terra Quantum
Country: Switzerland | Funding: $90.8M
Terra Quantum is a quantum technology company that develops deep tech applications.
16
C12
Country: France | Funding: $48.2M
C12 is building reliable quantum computers. Leading the next materials leap in quantum computing.
17
QuantWare
Country: Netherlands | Funding: €39.3M
QuantWare designs, develops and fabricates superconducting quantum hardware to accelerate the advent of the quantum computer.
18
Qedma
Country: Israel | Funding: $30.7M
Qedma is a software development company that develops quantum computing technology.
19
Horizon Quantum
Country: Singapore | Funding: $21.3M
Horizon Quantum is building new tools for quantum computers software development.
20
Aliro Technologies
Country: USA | Funding: $16.3M
Aliro Technologies has built a platform for developers to code more easily for quantum environments
21
BlueQubit
Country: USA | Funding: $10M
BlueQubit is a quantum software platform that offers software library for enterprise, defense, and academic customers.
22
Super.tech
Country: USA | Funding: $2.6M
Super.tech develops software that speeds up quantum computing by bridging the gap between applications and hardware.
23
Rahko
Country: UK | Funding: £1.3M
Rahko is building quantum discovery capabilities for chemical simulation, which could enable groundbreaking advances in batteries, chemicals, advanced materials and drugs.
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Siddhant Patel
Editor: Siddhant Patel
Siddhant Patel is a senior editor for AI-Startups. He is based out of India and has previously worked at publications including Huffington Post and The Next Web. Siddhant has a special interest in artificial intelligence and has spent a decade covering the rapidly-evolving business and technology of the industry. Siddhant graduated from the Indian Institute of Science (Bengaluru). When he’s not writing, Siddhant is also a developer and has a deep historical knowledge of the computer industry for the past 50 years. You can contact Siddhant at sidpatel(at)ai-startups(dot)pro