Amazon Braket

Amazon Braket is AWS’s fully managed quantum computing service that enables researchers, developers, and businesses to explore and experiment with quantum computing through a single interface. Launched in 2020, Braket provides access to quantum computers from multiple hardware providers including IonQ, Rigetti, OQC, and others, as well as high-performance quantum simulators for algorithm development and testing. The service integrates seamlessly with other AWS services, offering tools for quantum circuit design, hybrid quantum-classical algorithms, and result analysis. Amazon Braket supports multiple quantum programming frameworks and provides Jupyter notebook environments for quantum computing education and research. The platform serves a diverse customer base including academic institutions, enterprises, and government agencies working on quantum applications in optimization, machine learning, and scientific simulation. AWS’s quantum computing initiative also includes the Center for Quantum Computing at Caltech and quantum networking research, establishing Amazon as a major player in the quantum cloud services ecosystem.

Atos

Atos launched an ambitious quantum program in November 2016 to anticipate the future of quantum computing, developing the world’s most powerful commercially available quantum simulator called the Atos Quantum Learning Machine (QLM). As an international leader in digital transformation with over 110,000 employees in 73 countries, Atos has established itself as a leading provider of quantum computing services through global deployments of their QLM systems to prestigious research centers and universities in Austria, France, Germany, the UK, Netherlands, and United States. The company has formed strategic partnerships with quantum software companies like Zapata Computing to deliver end-to-end quantum computing solutions to enterprises, while maintaining a Quantum Advisory Board consisting of international experts, mathematicians, physicists, and Nobel Laureates including Alain Aspect and Serge Haroche to guide their quantum computing strategy and development efforts.

D-Wave

D-Wave Systems pioneered commercial quantum computing as the world’s first company to sell quantum computers, specializing in quantum annealing systems for optimization problems with their latest Advantage system featuring over 5,000 qubits with 15-way connectivity, serving 133 total customers including Lockheed Martin (since 2010), Google/NASA (since 2013), BASF, Deloitte, and MasterCard through their Leap cloud platform, demonstrating quantum advantage in applications across logistics, scheduling, machine learning, and financial modeling with over 150 customer-developed applications.

IBM Quantum

IBM Quantum operates one of the world’s most comprehensive quantum computing programs, developing superconducting quantum processors including the 433-qubit Osprey system unveiled in November 2022 while providing cloud access through the IBM Quantum Experience platform launched in May 2016 to over 400,000 users using their Qiskit framework, with partnerships spanning Fortune 500 companies, universities, and governments to advance practical quantum computing applications in optimization, machine learning, and quantum-safe cryptography.

IonQ

IonQ leads the trapped ion quantum computing sector as the first pure-play quantum company to go public on NYSE in 2021, founded by Christopher Monroe and Jungsang Kim in 2015 to develop quantum computers using individual trapped atoms as qubits with industry-leading fidelities, accessible through AWS Braket, Azure Quantum, and Google Cloud, receiving $636 million in gross proceeds from its SPAC public offering to accelerate commercialization while serving Fortune 500 companies and research institutions.

Microsoft Azure Quantum

Microsoft Azure Quantum is a comprehensive cloud-based quantum computing platform that provides unified access to diverse quantum hardware and software tools through Microsoft’s global cloud infrastructure. Launched in 2019, the platform integrates quantum computers from leading providers including IonQ, Quantinuum, Rigetti, and others, allowing developers to choose the most suitable quantum hardware for their specific applications. Azure Quantum features Q#, Microsoft’s quantum programming language, along with the Quantum Development Kit and integration with popular development environments. The platform offers quantum simulators, resource estimation tools, and hybrid quantum-classical computing capabilities that enable researchers and businesses to explore quantum advantage across optimization, chemistry, and machine learning applications. Microsoft’s quantum initiative extends beyond cloud services to include research in topological qubits and quantum networking, positioning Azure Quantum as a comprehensive ecosystem for quantum computing development. The platform serves academic researchers, enterprises, and government organizations, providing both educational resources and production-ready quantum computing services.

Quantinuum

Quantinuum formed in 2021 through the merger of Honeywell Quantum Solutions and Cambridge Quantum Computing to create the world’s largest integrated quantum computing company, combining industry-leading trapped-ion H-Series quantum computers with the highest quantum volume metrics alongside quantum software including lambeq, TKET, and InQuanto, employing over 480 people to deliver quantum advantage in cybersecurity, drug discovery, materials science, and financial modeling.

Company Information

• Founded: 2021
• Country: UK
• Website: https://quantinuum.com
• Categories: quantum processors, quantum cloud, quantum software

Key People

Ilyas Khan (Co-founder, Vice-Chairman, CPO), Tony Uttley (President, COO), Raj Hazra (CEO)

Rigetti Computing

Rigetti Computing operates as a full-stack quantum computing company founded by Chad Rigetti in 2013, manufacturing superconducting quantum processors at their Fremont foundry while providing cloud access through Forest and PyQuil development tools, going public via SPAC in 2021 with partnerships including NASA and the Department of Energy to focus on hybrid quantum-classical applications in optimization, machine learning, and simulation.

Company Information

• Founded: 2013
• Country: USA
• Website: https://rigetti.com
• Categories: quantum processors, quantum cloud, quantum software

Key People

Chad Rigetti (Founder, CEO)

SuperQ Quantum Computing Inc.

SuperQ Quantum Computing develops a hybrid platform called “Super” that combines quantum annealing, gate-based quantum computing, and high-performance computing with a ChatGPT-like interface. The company aims to democratize quantum computing access by removing technical barriers for organizations and individuals to practically use quantum and supercomputing. SuperQ completed its first revenue contract in July 2025 through collaboration with D-Wave Quantum Inc. on agricultural quantum optimization and trades on the Canadian Securities Exchange under symbol QBTQ.