Summary
In this report we provide 13 strategic profiles of distinguished firms around the world working to provide the quantum computer market with full-stack quantum computers and compare them according to a new rating scheme IQT has constructed. IQT assessment approach scheme is unique in that it takes into consideration more than just technical benchmarking and appraises the companies considered on other factors that are just as important to long term business success.
These factors include: how the firms are viewed by the competition, cloud support and access, software, intellectual property, acquisitions and business development, user communities and marketing efforts, customers and sales, technology and form factors and deployment. Each of the profiles includes a section in which we provide our opinion on the pros and cons of the companies that we are analyzing.
Using our assessment process, we have come up with the top four quantum computer companies currently operating in North America, Europe and Japan. And as an added bonus we include a thorough analysis of the quantum cloud sector and pricing of both the cloud services and (as far as possible) the machines themselves.
This report will be highly valuable to quantum hardware and software makers, the investment community, journalists and quantum users themselves.
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Table of Contents
Quantum Computer Markets: Who Leads?
Report ID: IQT-QCM2025-0925
Published: September 2, 2025
Chapter One Goals and Definitions of this Report
1.1 Introduction
1.1.1 Benchmarking: An Alternative
1.1.2 The Approach to Comparing Computers Used in this Report
1.2 Computer Makers
1.2.1 Firms Not Covered
1.3 Quantum Cloud Firms
1.4 Comparisons and Other Matters
Chapter Two Company Profiles
2.1 Introduction
2.2 Fujitsu
2.2.1 History
2.2.2 Development of Machines: Superconducting and Diamond Spin
2.2.3 Our Opinion
2.3 Google Quantum AI
2.3.1 Product and Technology Development
2.3.2 Invest in QuEra
2.3.3 Our Opinion
2.4 IBM
2.4.1 History
2.4.2 Sales and Production: QCs and QPUs
2.4.3 Qiskit
2.4.4 Our Opinion
2.5 IonQ
2.5.1 Funding Rounds
2.5.2 IonQ Product Range and Technologies
2.5.3 Recent Acquisitions
2.5.4 Customers and Partners
2.5.5 Our Opinion
2.6 IQM
2.6.1 Product Engineering and Roadmap
2.6.2 Customers
2.6.3 Our Opinion
2.7 Microsoft
2.7.1 The Marjoran 1 Chip and Topological Qubits
2.7.2 Alliance with Atom Computing
2.7.3 Alliance with Quantinuum
2.7.4Building the Customer Base
2.7.5 Our Opinions
2.8 Pasqal
2.8.1 Roadmap
2.8.2 Software and Other Products
2.8.3 Partners, Customers and Pricing
2.8.4 Aquisitions
2.8.5 Our Opinion
2.9 PsiQuantum
2.9.1 History
2.9.2 Funding
2.9.3 Computers, Chips and Technology
2.9.4 Our Opinion
2.10 Quantinuum
210.1 Quantinuum Products and Technology
2.10.2 Customers and Partners
2.10.3 Our Opinion
2.11 QuEra
2.11.1 Funding and Benchmarking
2.11.2 Products
2.11.3 Partners and Customers
2.11.4 Our Opinion
2.12 Rigetti
2.12.1 History
2.12.2 Funding and financials
2.12.3 Computer products and access
2.12.4 Manufacturing
2.13 Xanadu
2.13.1 History and Technology
2.13.2 Software
2.13.3 Customers and Markets
Chapter Three Clouds and Access
3.1 Introduction
3.2 Amazon Web Services
3.2.1 The Ocelot QPU
3.2.2 Amazon Braket
3.2.3 Azure Quantum
3.2.4 Pricing
3.2.5 Strangeworks
Chapter Five Distinctions and Pricing
5.1 Who Are the Top Suppliers and How Can we Tell?
5.2 QC Suppliers: How they View the Competition
5.3 Cloud Support and Access
5.4 Software
5.5 Intellectual Property
5.6 Acquisitions and Business Development
5.7 Communities and Marketing Efforts
5.8 Customers and Sales
5.9 Technology
5.10 Form Factors and Deployment
