Top 21 Quantum Computing startups

Oct 04, 2025 | By Siddhant Patel

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
Country: Israel | Funding: $30.7M
Qedma is a software development company that develops quantum computing technology.
2
Country: Spain | Funding: $344.3M
Multiverse Computing is a quantum software company that applies advanced solutions to solve complex challenges.
3
Country: USA | Funding: $5.8M
Haiqu is a quantum computing software firm focusing on the development.
4
Country: USA | Funding: $432M
IonQ is a developer of quantum computing for commercial applications.
5
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.
6
Country: Canada | Funding: $299M
D-Wave Systems designs and manufactures quantum computing and superconducting electronics.
7
Country: USA | Funding: $298.5M
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.
8
Country: Finland | Funding: €233.8M
IQM builds scalable hardware for universal quantum computers, focusing on superconducting technology.
9
Country: USA | Funding: $247M
QuEra Computing is a neutral-atoms-based quantum computing startup, located in Boston, near Harvard University.
10
Country: USA | Funding: $195.7M
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.
11
Country: UK | Funding: $146.5M
Oxford Quantum Circuits developing technology using the power of quantum to do things which have never been achieved before.
12
Country: France | Funding: €127.5M
PASQAL provides quantum processors for use in complex computing challenges.
13
Country: Australia | Funding: $131.8M
Q-CTRL develops software that reduces error and noise in quantum computing hardware
14
Country: Switzerland | Funding: $90M
Terra Quantum is a quantum technology company that develops deep tech applications.
15
Country: Singapore | Funding: $21.3M
Horizon Quantum is building new tools for quantum computers software development.
16
Country: France | Funding: $19.4M
C12 is building reliable quantum computers. Leading the next materials leap in quantum computing.
17
Country: Netherlands | Funding: €14.7M
QuantWare designs, develops and fabricates superconducting quantum hardware to accelerate the advent of the quantum computer.
18
Country: USA | Funding: $10M
BlueQubit is a quantum software platform that offers software library for enterprise, defense, and academic customers.
19
Country: USA | Funding: $10.3M
Aliro Technologies has built a platform for developers to code more easily for quantum environments
20
Country: USA | Funding: $2.6M
Super.tech develops software that speeds up quantum computing by bridging the gap between applications and hardware.
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