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Top Quantum Computing Companies (31)

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Cloud • Hardware • Information Technology • Software • Quantum Computing
2 Offices
140 Employees

Rigetti Computing is building the world’s most powerful computers to help solve humanity’s most pressing and important problems. These systems will perform computations that today’s fastest supercomputers are incapable of — unlocking entirely new classes of problems and offering a direct path to solutions. We believe quantum computing is going to significantly affect health care, how we treat disease, how we generate energy, and how we feed humanity. Our superconducting quantum computing systems are available over the cloud via Rigetti Quantum Cloud Services. We were founded in 2013 by Chad Rigetti. We are located in Berkeley and Fremont, California, and have employees based all over the world.


Information Technology • Software • Quantum Computing
Palo Alto, California, USA
199,202 Employees

D-Wave is the leader in the development and delivery of quantum computing systems, software and services and is the world's first commercial supplier of quantum computers and the only company developing both annealing quantum computers and gate-model quantum computers. Our mission is to unlock the power of quantum computing for the world. We do this by delivering customer value with practical quantum applications for problems as diverse as logistics, artificial intelligence, materials sciences, drug discovery, scheduling, cybersecurity, fault detection, and financial modeling.


Quantum Computing • Manufacturing
Fremont, California, USA
36 Employees

AOSense, Inc. is a leading developer and manufacturer of quantum technologies. We build systems and sub-components including atom optic devices for precision navigation, gravity measurement, timekeeping and quantum computing. Our capabilities include gyroscopes, accelerometers, inertial measurement units (IMUs), gravimeters, gravity gradiometers, and atomic frequency standards. A variety of quantum technologies such as computing, magnetometry and quantum communication benefit from our development of sub-components such as compact and stable laser systems, atom sources, and a variety of hardware. AOSense was formed in 2004 by Brenton Young and Mark Kasevich to spin-off innovative research developed at Stanford University, joined by Jim Spilker as Chairman. In 2006, AOSense was awarded its first prime contract from DARPA to design, build, and test a gravity gradiometer and single axis accelerometer/gyroscope. Since then, AOSense has successfully designed and built state-of-the-art cold atom technology for numerous government sponsored programs funded by DARPA, Air Force, Army, Navy, NASA, NSF, DTRA, and the intelligence community. AOSense is an employee-owned company.


AdTech • Software • Quantum Computing • Metaverse
16 Offices
244,433 Employees

A problem isn't truly solved until it's solved for all. Googlers build products that help create opportunities for everyone, whether down the street or across the globe. Bring your insight, imagination and a healthy disregard for the impossible. Bring everything that makes you unique. Together, we can build for everyone.


Software • Quantum Computing • Metaverse • Infrastructure as a Service (IaaS)
Redmond, Washington, USA
206,870 Employees

At Microsoft, our mission is to empower every person and every organization on the planet to achieve more. Our mission is grounded in both the world in which we live and the future we strive to create. Today, we live in a mobile-first, cloud-first world, and the transformation we are driving across our businesses is designed to enable Microsoft and our customers to thrive in this world.


Hardware • Information Technology • Quantum Computing
New Haven, Connecticut, USA
35 Employees

Quantum Circuits, Inc. (QCI) is developing a full-stack quantum computing platform using superconducting devices and a modular, robust, and scalable architecture. QCI's mission is to build the first truly useful quantum computers. Our novel approach to building quantum computers is based on technology developed over a decade of research at Yale University's world-class quantum labs. Our machines have built-in error correction, unique software features that enable lightning-fast algorithm execution, and multiple modes of operation to solve more algorithms than ever, all in one quantum computer.


Big Data • Cloud • Software • Cybersecurity • Quantum Computing
Irving, Texas, USA
75,792 Employees

Atos is a global leader in digital transformation with 110,000 employees and annual revenue of € 12 billion. European number one in Cybersecurity, Cloud and High-Performance Computing, the Group provides tailored end-to-end solutions for all industries in 73 countries. Pioneer in decarbonization services and products, Atos is committed to a secure and decarbonized digital for its clients. Atos operates under the brands Atos and Atos|Syntel. Atos is a SE (Societas Europaea), listed on the CAC40 Paris stock index. The purpose of Atos is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.


Information Technology • Quantum Computing • Infrastructure as a Service (IaaS) • Big Data Analytics
12 Offices
533,854 Employees

At IBM, work is more than a job - it's a calling: To build. To design. To code. To consult. To think along with clients and sell. To make markets. To invent. To collaborate. Not just to do something better, but to attempt things you've never thought possible. To lead in this new era of technology and solve some of the world's most challenging problems. IBM is a leading cloud platform and cognitive solutions company. Restlessly reinventing since 1911, we are the largest technology and consulting employer in the world, with more than 350,000 employees serving clients in 170 countries. With Watson, the AI platform for business, powered by data, we are building industry-based solutions to real-world problems. For more than seven decades, IBM Research has defined the future of information technology with more than 3,000 researchers in 12 labs located across six continents.


Software • Quantum Computing
Austin, Texas, USA
16 Employees

Strangeworks is an unconventional computing software company based in Austin, TX. Founded by whurley, Strangeworks is currently making quantum computing accessible by building and delivering tools for software developers and researchers, and systems management for IT Administrators and CIOs. Strangeworks'​ mission is to revolutionize technology by guiding companies through the confusion and chaos of quantum computing, making it easily accessible to all.


Software • Quantum Computing
Palo Alto, California, USA
31 Employees

QC Ware is a quantum computing software company building enterprise solutions that run on quantum hardware. The company's stated objective is to make quantum computing easily accessible to classically-trained data scientists and to offer performance speed-ups on near-term hardware. QC Ware is working towards that goal with one of the world's strongest teams of quantum algorithms scientists. The company is based in Palo Alto, it recently opened an office in Paris, and it plans to launch a Tokyo office in 2020.


Hardware • Quantum Computing
Boston, Massachusetts, USA
58 Employees

Located in Boston, QuEra Computing is a maker of advanced neutral-atoms based quantum computers, pushing the boundaries of what is possible in the industry. Founded in 2018, the company is built on pioneering research recently conducted nearby at both Harvard University and MIT. QuEra is building the industry’s most scalable quantum computers to tackle useful but classically intractable problems for commercially relevant applications. Our signature 256-qubit machine, Aquila, the largest publicly-accessible machine in the world, is available now for general use over the Amazon Braket cloud. For more information, visit us at quera.com.


Automotive • Blockchain • Pet • eSports • Web3 • Quantum Computing • SEO
3 Employees


Information Technology • Software • Quantum Computing
87 Employees

1QBit redefines intractable problems by reframing them to achieve superior results using the most effective quantum and classical processors built to date. We work with our partners to build industry applications on our hardware-agnostic platform to produce the best available results today, while continually improving these results through the ability to switch the underlying solver as new releases and hardware architectures are developed. 1QBit’s hardware-agnostic platforms and services future proof our partners by enabling their applications to continually improve alongside advancements in both classical and quantum processors. 1QBit partners with Fortune 500 clients and leading hardware providers to solve industry problems in the areas of optimization, simulation, and machine learning. 1QBit’s team of researchers, industry specialists, and software developers understand the unique strengths of each type of quantum computing architecture and identify problems within industry that are well suited to benefit from these new approaches to processing. We work with our clients to develop novel approaches to applications using a quantum lens. We build the resulting solutions on top of our hardware-agnostic platform so that the applications improve alongside advances in both classical and quantum computing architectures.


Cybersecurity • Quantum Computing
35 Employees

ISARA Corporation is a security solutions company specializing in creating class-defining quantum-safe cryptography for today's computing ecosystems. When ISARA was founded in 2015, we kept one ambitious mission in mind: to build a quantum-safe world where all the possibilities and benefits of quantum computing can be realized, with none of the security risks.


Biotech • Quantum Computing
17 Employees

ProteinQure is a revenue-generating software platform for computational protein drug discovery. We combine molecular simulations, machine learning, and quantum computing to do the structure-based design of drugs. These physics-based methods make us less dependent on large data sets and that allows us to explore novel protein structures and interactions. We use our computational platform (as well as wetlab validation) to solve our partners drug design challenges and deliver new therapeutic candidates. We have a very diverse team of multi-disciplinary scientists and engineers. We are based in Toronto, Canada and are funded by top tier venture firms. If you are interested in building the next generation of computational biology tools we hope you will join us.


Software • Quantum Computing
Singapore, Singapore, SGP
21 Employees

At Entropica Labs, we build software tools for designing, constructing and deploying large-scale quantum algorithms to quantum computers.


Quantum Computing
Singapore, Singapore, SGP
20 Employees

Atomionics is a Singapore based VC-backed startup building quantum sensors for Navigation and Resource Exploration. We measure gravity, acceleration, and rotation 1000x better than the state of the art. Atomionics sensors can build a complete map of the underground, thus help pinpoint underground structures like tunnels and bunkers, and predict earthquakes, provide precise navigation, and build a universal positioning system that works everywhere – underground, underwater, and even in space. We have deep expertise in bringing complex technologies from a lab environment to the dynamic real world. At Atomionics we like to cultivate a casual and friendly environment. We are a small focused group in a high-energy environment. The core of what we are building is called cold atom interferometry, where we cool down atoms to micro Kelvin temperatures by shooting lasers at them. Our team has over 30 years of combined relevant research experience. This allows us to measure the forces acting on them precisely. Due to the complexity of our work, our employees get to interact with other interdisciplinary domains such as Electronics Engineering, Mechanical Engineering, Physics, and Software Engineering. Our company likes to treat our work as a “gym for our minds”. In addition, we are backed by some fantastic investors from the private and public sectors, such as Wavemaker, SGInnovate, Capvista, 500startups, and other prominent angels.


Quantum Computing
4 Employees

Indiana’s Public-Private Partnership for the Development of the Most Important Technology Center in the Midwest


Quantum Computing
Bengaluru, Karnataka, IND
74 Employees

QNu Labs is a pioneer in quantum cryptography, quantum encryption, and quantum communication products and solutions. The patented flagship products are developed by the in-house team of quantum researchers, experts and specialists. QNu Labs is synonymous with quantum-powered security in the era of quantum computing. The products and solutions offered by QNu are validated by the industry and government organizations. The Indian Army, the Indian Navy, and high-profile corporates form the list of esteemed clients. The partnerships and collaborations range from celebrated space organizations to premium academic institutions. Core specialties: - Quantum Key Distribution (QKD) - Quantum Random Number Generator (QRNG) - Qosmos - Entropy as a Service (EaaS) - Post-Quantum Cryptography (PQC) - Quantum Safe VPN (QVPN) - Quantum Secure Messenger (QVerse) QNu Labs is an Indian company with a global outlook on the mission to change the existing cryptography landscape for enhanced and fool-proof security.


Quantum Computing
Sydney, New South Wales, AUS
55 Employees

Silicon Quantum Computing Pty Limited (SQC) is an Australian private company at the forefront of efforts to build a commercial-scale, silicon-based quantum computer and bring quantum computing to market. Founded in 2017, SQC is the only company world-wide that can manufacture quantum electronic devices in silicon with atomic precision, based on a globally unique technology invented and pioneered by Michelle Simmons. From its labs at UNSW Sydney, SQC manufactures prototype quantum devices for commercial application with a world-class team of technical and commercial experts.