{"id":50,"date":"2015-09-05T04:09:47","date_gmt":"2015-09-05T04:09:47","guid":{"rendered":"https:\/\/round-lake.dustinice.workers.dev:443\/https\/quantumcomputingreport.com\/?page_id=50"},"modified":"2026-07-20T16:11:51","modified_gmt":"2026-07-20T23:11:51","slug":"public-companies","status":"publish","type":"post","link":"https:\/\/round-lake.dustinice.workers.dev:443\/https\/quantumcomputingreport.com\/public-companies\/","title":{"rendered":"Public Companies"},"content":{"rendered":"

Here is a list of public companies with known efforts in Quantum Computing. More information on the activities of these public companies will be added as this web site is built out. Please send any updates to info@quantumcomputingreport.com.
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\n01 Communique<\/strong><\/a>
\nFormed in 1992 and based in Toronto, Canada, 01 Communique started as a company that provides its customers with a suite of secure remote access services and products. In early 2018 the Company began transitioning its business focusing on cybersecurity with the development and implementation of Post-Quantum Cryptography and Post-Quantum Blockchain technologies.\u00a0 They have developed a patent-pending, quantum resistant software system called IronCap that can safeguard clients data against future attacks from quantum computers<\/p>\n

Accenture<\/a><\/strong>
\nAccenture Labs has formed a research group that is partnering with 1QBit<\/a> to explore potential use cases for quantum computing by industry. \u00a0 They have recently publicized some work they are doing with 1QBit and Biogen to apply quantum computing to accelerate drug discovery.\u00a0 Accenture Labs and 1QBit have mapped out 150+ promising use cases where applying quantum computing might be used.<\/p>\n

Airbus Group<\/a><\/strong>
\nAirbus has set up a new research group in Newport, Wales to explore the potential use of quantum computing in aerospace activities. \u00a0 Potential applications could include searching big data, designing air vehicles and systems, designing new materials, and debugging complex software. Airbus has also made an investment in quantum software company QC Ware and will be partnering with them in this effort.<\/p>\n

Alibaba Group<\/a><\/strong>
\nAlibaba Group’s cloud computing subsidiary has partnered with the Chinese Academy of Science to establish the Alibaba Quantum Computing Laboratory in Shanghai, China.\u00a0The laboratory combines the technical advantages of Alibaba in classical calculation algorithms, structures and cloud computing with those of the Chinese Academy of Science in quantum computing, quantum analog computing and quantum artificial intelligence. It is conducting research in quantum theory with a view towards discovering ground-breaking security techniques for e-commerce and data centers, as well as to enhancing computing performance.
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\nAmazon Braket<\/strong><\/a>
\nAmazon Web Services (AWS) is creating a new quantum computing cloud service called Amazon Braket that will provide access to quantum computers from D-Wave, IonQ, and Rigetti, with more to be added in the future. It will be a fully managed service that will include Amazon’s own development environment that will interface to these other systems. They are also creating the AWS Center for Quantum Computing at Caltech in Pasadena, California to bring together researchers and engineers from Amazon with leading academic institutions in quantum computing, to develop more powerful quantum computing hardware and identify novel quantum applications. Finally, Amazon is creating a Quantum Solutions Lab that will provide hands-on educational workshops and help their customers develop their own strategy for quantum computing, build internal expertise, and eventually deploy quantum applications.
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\nArcher Materials Limited<\/strong><\/a>
\nArcher Materials Limited, headquartered near Adelaide, Australia is a materials technology company that is developing and integrating materials to address complex global challenges in quantum technology, human health, and reliable energy. In December 2018 they licensed a room temperature, carbon-based spin qubit technology called 12<\/sup>CQ from the University of Sydney and are now proceeding to develop a quantum device<\/a> based upon this technology.
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\nArqit<\/strong><\/a>
\nArqit supplies a unique quantum encryption Platform-as-a-Service which makes the communications links of any networked device secure against current and future forms of attack \u2013 even from a quantum computer. Arqit\u2019s product, QuantumCloud\u2122, enables any device to download a lightweight software agent, which can create encryption keys in partnership with any other device. The keys are computationally secure, optionally one-time use and zero trust. QuantumCloud\u2122 can create limitless volumes of keys in limitless group sizes and can regulate the secure entrance and exit of a device in a group. The company is headquartered in London, England and became a public company as a result of a business combination with a Special Purpose Acquisition Corporation (SPAC) in September 2021<\/a>.
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\nAT&T (INQNET Alliance)<\/strong><\/a>
\nThe AT&T Foundry innovation center has joined forces with Caltech to establish an organization and program of work on Intelligent Quantum Networks and Technologies (INQNET).\u00a0Two of the INQNET program areas are focused on\u00a0Quantum Networks and Communications\u00a0and\u00a0Quantum Algorithms\/Quantum Machine Learning\u00a0and\u00a0Quantum AI. The full INQNET program extends to quantum computation co-design, quantum communication protocols and inhomogeneous computation landscapes of the future as well as connections with the quantum fundamental research developments in the areas that include quantum materials, devices and systems, quantum control and error correction.\u00a0 INQNET is located within the AT&T Foundry in Palo Alto, California and also at Caltech in Pasadena, California.<\/p>\n

Atos Quantum<\/strong><\/a>
\nAtos Quantum is a group within the European company Atos that specializes in quantum technology.\u00a0 They have recently released a product called the Atos Quantum Learning Machine which is a classical computer that can simulate a quantum system using anywhere between 30 and 40 qubits, depending upon the specific configuration. \u00a0 Associated with this product, Atos Quantum provides a universal quantum assembly programming language called AQASM along with other software to allow researchers, engineers, and students to develop and experiment with quantum software.<\/p>\n

Baidu<\/strong><\/a>
\nBaidu has launched its own institute for quantum computing dedicated to the application of quantum computing software and information technology. The Baidu Quantum Computing Institute will be headed by Professor Duan Runyao, who had been the director of the Centre for Quantum Software and Information at the University of Technology Sydney (UTS). \u00a0The company is seeking to apply the potential benefits of quantum technology across its businesses, from online search to artificial intelligence, following similar moves from its rivals Alibaba and Tencent.<\/p>\n

Booz Allen Hamilton<\/strong><\/a>
\nBooz Allen has formed a team within their Data Science and Analytics group to utilize quantum computing to provide solutions to their business and government clients. \u00a0Problem areas of interest including System & Network Optimization, Vehicle Routing, Logistics, Job Scheduling, Drug Discovery, Manufacturing, System Design, and Verification & Validation. \u00a0They indicate on their web site that they are one of the first companies in the world to use quantum computing to solve real-world problems.
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\nBTQ<\/strong><\/a>
\nBTQ is a company that builds post-quantum infrastructure to secure mission critical networks with a particular emphasis on providing quantum safe products for blockchain applications.\u00a0 The company is developing several software products that will be usable for distributed ledgers and other applications. They are also designing a hardware chip for accelerating post-quantum computations. The company was founded in March 2021 and went public on the Canadian NEO exchange in February 2023 trading under the symbol BTQ. The company’s headquarters is in Vancouver, Canada with additional locations in Vaduz, Liechtenstein, Taipei, Taiwan, Tokyo, Japan, and Sydney, Australia.
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\nCisco Systems<\/a>
\n<\/strong>Cisco has established a Cisco Quantum Lab to conduct research on the foundations of the Quantum Internet and quantum cryptography. Their hardware team develops the required quantum optics & photonics systems. They conduct their efforts are in collaboration with classical engineering teams at Cisco and external partners in particular university labs across the globe.
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\nCreotech Quantum<\/strong><\/a>
\nCreotech Quantum designs and manufactures advanced electronics and complete technology systems \u2014 from concept to deployment. They focus on solutions for quantum technologies and demanding scientific and industrial applications. They develop, among others: quantum key distribution (QKD) systems, cameras for astronomy and research laboratories, White Rabbit precise time-synchronization systems, control and measurement systems\u00a0 (Sinara, MTCA). The company is located in Warsaw, Poland and was spun-off from Creotech Instruments in April 2026.
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\nD-Wave Systems<\/a><\/strong>
\nD-Wave was one of the earliest commercial companies formed to pursue quantum computing. There were founded in 1999 in Vancouver, Canada with the goal of making practical quantum computing a reality and have focused on developing a series of adiabatic quantum annealing processors that can be used with quadratic unconstrained binary optimization (QUBO) problems.\u00a0 D-Wave also provides offers cloud computing services for customers who wish to access this capability remotely. In addition to the hardware, D-Wave also offers a full suite of software development tools and libraries to help their customers accelerate the development of applications for use on the machine. D-Wave is the only company that is working on developing both annealing and gate-based quantum processors. In August 2022, the company became public through a SPAC merger with DPCM Capital and the parent company is now incorporated in the U.S. state of Delaware.<\/p>\n

Google Quantum AI Lab<\/a><\/strong>
\nGoogle has a significant research effort in Quantum Computing.\u00a0\u00a0\u00a0 They have been working together with NASA and the Universities Space Research Association (USRA) to operate first a DWave 2 and now a DWave 2X processor at the NASA Ames Research Center in Mountain View, California.\u00a0\u00a0 Google has recently published a benchmarking paper<\/a> on the DWave 2X showing initial test results.\u00a0\u00a0\u00a0 In 2014, Google started up a second effort by hiring John Martinis and his group at UC Santa Barbara to work on a quantum computer that utilizes some of the surface code error correction technology that they have developed.\u00a0\u00a0 This technology has already exhibited major improvements in coherence time that could significantly improve a quantum computer’s performance.\u00a0\u00a0 Google has been vague about the ultimate goal but it is clear there could be significant applications in machine learning, pattern recognition, and other areas relevant to Google’s main endeavors.
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\nHorizon Quantum<\/strong><\/a>
\nHorizon Quantum is building software infrastructure to bridge the gap between today\u2019s quantum hardware and tomorrow\u2019s applications\u2014equipping developers, researchers, and enterprises with the quantum software tools needed to solve real-world problems.<\/p>\n

IBM<\/a><\/strong>
\nIBM research has a quantum computing group at their Yorktown Heights, New York, research center.\u00a0\u00a0 IBM’s approach appears to be based upon utilization of superconducting circuits coupled with error correction.\u00a0\u00a0 In April 2015, they announced an advance<\/a> with a circuit that can detect both bit-flip and phase-flip errors together.\u00a0 Most recently in December 2015, IBM was awarded<\/a> an iARPA grant to use this technology under the Logical Qubits (LogiQ) program to overcome the limitation of current quantum systems by building a logical qubit from a number of imperfect physical qubits.
\n<\/a>
\nInfineon<\/strong><\/a>
\nInfineon is involved in several consortia on quantum technologies, each pursuing different approaches. They include a project called GeQCoS<\/a> developing a superconducting based quantum computer, as well as the PIEDMONS<\/a>\u00a0ion trap-based and the\u00a0QUASAR<\/a>\u00a0silicon-based quantum computer projects. Since 2017 Infineon has already been active as a pioneer in post-quantum cryptography, and is contributing to the development and standardization of quantum-safe cryptography methods.
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\nInfleqtion<\/a><\/strong>
\nInfleqtion, formerly ColdQuanta, was founded in 2007 as a spin-off from the University of Colorado Boulder. They develop and design instruments, components and systems for scientific and industrial quantum applications such as cold atom experimentation, quantum simulation, quantum information processing, atomic clocks and inertial sensing. Infleqtion also develops quantum computers based on laser cooled neutral Cesium atoms.
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\nIntegrated Quantum Technologies<\/strong><\/a>
\nIntegrated Quantum Technologies is building quantum-ready infrastructure to help secure and scale artificial intelligence. The Company’s vision is to tackle the core challenges shaping the future of AI, including quantum threats, growing compute demands, global deployment complexity, and the need for more resilient machine-learning systems, using proprietary technologies designed for real-world enterprise use.<\/p>\n

Intel<\/a><\/strong>
\nAlthough Intel previously did\u00a0not have any\u00a0research efforts devoted to quantum computing they did just commit to provide\u00a0QuTech, the quantum research institute of Delft University of Technology (TU Delft) and the Dutch Organisation of Applied Research (TNO), with $50 million in funding and provide engineering support\u00a0over\u00a0a ten years collaboration\u00a0to support their efforts. \u00a0\u00a0 A press kit describing Intel’s activities in quantum computing can accessed here<\/a>.\u00a0\u00a0 Many people have been forecasting that Moore’s Law will end at some point and it seems\u00a0that Intel wanted to hedge their bets on\u00a0this new technology.
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\nIonQ<\/strong><\/a>
\nIonQ was formed in 2015 to pursue quantum computers using ion trap technology by Professors Chris Monroe and Jungsang Kim from the University of Maryland and Duke University respectively. They recently have gone public on the New York Stock Exchange with ticker symbol IONQ through a merger with a Special Purpose Acquisition Company (SPAC). The company offers access to their computer through partnerships with cloud vendors Amazon Web Services (AWS) Braket, Microsoft Azure, and the Google Cloud as well as directly from IonQ. The company is located in College Park, Maryland and recently announced they will partner with the University of Maryland to create a National Quantum Lab at Maryland (or Q-Lab) that will provide students and researchers access to IonQ’s hardware.
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\nJSR Corporation<\/strong><\/a>
\nJSR Corporation is a multinational company employing over 7,000 people worldwide and a leading materials supplier in a variety of technology driven markets. JSR\u2019s global network is headquartered in Tokyo (Japan) and has factories and offices in Japan, Europe, US, China, Taiwan, Korea Singapore and Thailand.\u00a0 In December 2017, JSR became one of IBM’s earliest access clients to its IBM Q Network<\/a> and in April 2018 they made an initial investment in Cambridge Quantum Computing (CQC) and increased their stake to 5.5%<\/a> of CQC in July 2018.
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\nKeysight Technologies<\/a><\/strong>
\nKeysight Technologies is a leading provider of test solutions and electronic design automation that is expanding its footprint in quantum technologies. Keysight enables quantum research and development through advanced control systems, error mitigation tools, and scalable design workflows. Its product portfolio includes a Quantum Control System (QCS) for the control and readout of quantum devices as well as software products including QuantumPro, Quantum Circuit Sim, and Quantum System Analysis for the accurate simulation and integrated design for superconducting qubits,<\/p>\n

Lockheed Martin<\/a><\/strong>
\nLockheed Martin operates with the University of Southern California,\u00a0 the USC-Lockheed Martin Quantum Computation Center<\/a> (QCC), which current has a DWave 2 processor that will be upgraded to the DWave 2X in January 2016.\u00a0\u00a0 Lockheed was DWave’s first customer with the purchase of the DWave One in 2011.\u00a0\u00a0 One of the unique areas that Lockheed has researched is the usage of quantum computers for verification and validation of complex software such as flight control systems.\u00a0\u00a0\u00a0\u00a0In 2014, they published a paper on this that you can find here<\/a>.\u00a0 Lockheed is also a participant in the iARPA QEO (Quantum Enhanced Optimization)<\/a> for quantum annealing as well as an industry partner in the NSF Enabling Practical Scale Quantum Computing<\/a> programs.
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\nMicrosoft<\/strong><\/a>
\nMicrosoft has multiple efforts related to quantum computing. Through their Azure Cloud Computing Service<\/a>, they offer access to quantum computers from IonQ and Quantinuum (aka Honeywell) and are soon adding Rigetti and Quantum Circuits Inc. They maintain an Azure Quantum Network<\/a> and collaborate with a number of solution partners, academic institutions, non-profits, and customers to develop quantum and quantum-inspired solutions. Microsoft provides a Quantum Development Kit<\/a> (QDK) which is a full SDK that includes a quantum specific language called Q# and allows someone to write quantum programs, simulate the programs on a classical computer, and then run the program on the quantum computer attached to Azure. Microsoft also partners with a number of research groups at universities around the world to explore potential use of topological qubits which could potentially provide much lower error rates than other qubit technologies.<\/p>\n

Mitsubishi Electric<\/a><\/strong>
\nMitsubishi is performing active research on quantum cryptography, \u00a0Using quantum technology, they have developed the world’s first one-time pad software for mobile phones to ensure that telephone conversations remain confidential. As part of their research, they have been looking into factors which distort the optical signals carried by installed optical fibers and ways to correct for them. \u00a0Mitsubishi is continuing to run tests and make improvements so that the systems can help create a communications environment that can be used anytime and anywhere.
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\nMphasis<\/strong><\/a>
\nMphasis has a quantum computing group that supports clients by leveraging quantum computing to solve business problems in the area of machine learning, optimization and simulation. They provide clients with services including consulting, assessments, workshops, algorithm development and implementation. They have developed a framework called EON that is used for quantum assisted machine learning and support several types of quantum processors including both quantum annealing and gate-based systems, as well as simulators and emulators.
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\nNEC<\/strong><\/a>
\nNEC \u00a0is a Japanese multinational information technology and electronics company, headquartered in Tokyo, Japan. They have been researching quantum technology since the late 1990’s and are currently developing a quantum annealing processor with support from Japan’s New Energy and Industrial Technology Development Organization (NEDO). Their goal is to demonstrate practical applications for an all-to-all connected quantum annealing processor by 2023. They are partnering with ParityQC in the area of quantum architectures<\/a> and have a multi-faceted partnership with D-Wave to include investment, joint product development, marketing, and sales<\/a>.<\/p>\n

Nokia Bell Labs<\/strong><\/a>
\nSeveral of the early breakthroughs in quantum computing occurred at Bell Labs including the development of Shor’s factoring algorithm and Grover’s search algorithm. \u00a0Research is ongoing in conjunction with universities in such areas as quantum error correction codes, fault tolerant thresholds, quantum overheads, topological quantum computing, quantum state preserving frequency converter and other projects.<\/p>\n

Northrup Grumman<\/strong><\/a>
\nNorthrup Grumman has several quantum research activities underway as part of their basic research teams<\/a>.\u00a0 Northrup is the lead for the design, fabrication, system integration, and experimental testing portion in the iARPA <\/span>QEO (Quantum Enhanced Optimization)<\/a> program for quantum annealing.\u00a0 They are also an industry partner in the NSF <\/span>Enabling Practical Scale Quantum Computing<\/a> programs.<\/span>
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\nNTT Research<\/a> and Basic Research Laboratories<\/a><\/strong>
\nIn 2019, NTT Research was set up in Palo Alto, California.\u00a0 The company consists of three Labs \u2013 Physics & Informatics (PHI) Lab<\/a>, Cryptography & Information Security (CIS) Lab<\/a> and Medical & Health Informatics (MEI) Lab<\/a>. The PHI Lab was founded to research problems in the areas of mathematics & algorithms, quantum simulation, quantum neural networks, and photonic accelerator hardware. NTT Research has set up research partnerships with California Institute of Technology (Caltech), Cornell University, University of Michigan, Massachusetts Institute of Technology (MIT), MIT Lincoln Laboratory, NASA Ames Research Center, Riken, Stanford University, Swinburne University of Technology, and quantum computing software company 1QBit to look at various aspects of quantum technology. One significant area of research for the PHI Lab is to develop Coherent Ising Machines (CIM) using optical parametric oscillators (OPO).\u00a0 This technology has a potential to provide good solutions to complex optimization problems and could be an alternative to quantum annealing as well as gate-based quantum computers for these types of problems.<\/p>\n

NTT also has small groups investigating quantum physics and quantum information processing in their Basic Research Laboratories in Kanagawa, Japan<\/a>. These groups explores how quantum phenomena can be applied to generate new forms of quantum technology. More specifically, they investigate a) foundational aspects of quantum theory including nonlocal phenomena; b) quantum key distribution and its security; c) techniques for quantum communication, repeaters and computation; e) hybrid quantum systems (composite systems taking the best parts of each).
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\nQTREX<\/a>
\n<\/strong>Using advanced additive manufacturing and materials science, QTREX develops highly miniaturized, cryogenic-compatible architectures that replace the bulky, hand-assembled wiring harnesses that limit quantum systems. The company’s headquarters is in Ra’anana, Israel.
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\nQuantinuum<\/strong><\/a>
\nQuantinuum is a company that was formed through the spinoff of the Honeywell Quantum Solutions group and Cambridge Quantum Computing. The hardware portion of the company originating from the Honeywell side is developing ion trap based quantum computers and the software portion of the company originating from Cambridge Quantum provides a quantum programming platforms named TKET and Guppy, a quantum cybersecurity product called Quantum Origin and several different algorithmic libraries for quantum chemistry, quantum machine learning, quantum natural language processing and others. The company maintains dual headquarters in Broomfield, Colorado and Cambridge, UK.
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\nQuantlase Lab, a subsidiary of International Holdings Company (IHC)<\/a>
\n<\/strong>Quantlase Lab, established in 2020 in Abu Dhabi, UAE, is a leading research and development center specializing in quantum-enabled photonic technology. By leveraging the principles of quantum mechanics and photonics, the lab tackles complex computational and data-driven challenges across various industries. Its groundbreaking research drives advancements in healthcare diagnostics, secure communication, cryptography, blockchain, and sustainability.
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\nQuantum Computing Inc.<\/strong><\/a>
\nQuantum Computing Inc. (QCi), a public company (NASDAQ: QUBT) headquartered in Leesburg, Virginia. They are a quantum hardware and software company on a mission to accelerate the value of quantum computing for real-world business solutions. The company provides accessible and affordable solutions with real-world industrial applications, using nanophotonic-based quantum entropy that can be used anywhere and with little to no training, operates at normal room temperatures, low power and is not burdened with unique environmental requirements. QCi’s core nanophotonic-based technology is applicable to both quantum computing as well as quantum sensing and imaging solutions. QCi’s core entropy computing capability, the Dirac series, delivers solutions for both binary and integer-based optimization problems using over 11,000 qubits for binary problems and over 1000 (n=64) qubits for integer-based problems, each of which are the highest number of variables and problem size available in quantum computing today. Using the Company’s core quantum methodologies, the company has developed specific quantum applications for AI, cybersecurity and remote sensing, including its Reservoir Photonic Computer series, reprogrammable and non-repeatable Quantum Random Number Generator and LiDAR products.
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\nQuantum eMotion<\/strong><\/a>
\nLocated in Brassard, Canada, Quantum eMotion (TSX-V: QNC; OTCMKTS: QNCCF; F: 34Q) is an advanced developer of a new generation of cryptographic solutions based on Quantum Random Number Generator (QRNG). They work with microprocessors vendors and OEM to develop and market secure and affordable encrypted communication solutions for the financial\/banking, military, mobile and internet telecommunication sectors. \u00a0Their technology is based on many years of extensive research by the Physics Department of Sherbrooke University, Canada. The company was previously known as Quantum Numbers Corporation but changed its name in May 2021.
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\nQuantumCore<\/a><\/strong>
\nHeadquartered in Toronto, Canada and established in July 2025, QuantumCore (CSE:QNCR)\u00a0 is developing cryo-optimized chipsets including an amplifier that boosts read-out signals produced by a superconducting quantum chip at near absolute zero temperatures and gets the signal into room temperature solving one of the many hard engineering challenges in quantum computing. The company became a public company on April 14, 2026 through a reverse takeover transaction with MGM Resources<\/a>.
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\nQuemix, a wholly owned subsidiary of TerraSky Corporation<\/strong><\/a>
\nQuemix was established in Tokyo, Japan in June 2019 to work with customers and help them by providing services, algorithms, and tools that will create an easy-to-use environment for quantum applications. They have opened the “Quantum Computing Lab” to work with companies interested in quantum computers. They also provide services such as (1) an educational program that allows customers to learn efficiently, (2) support for finding issues in their company, and (3) verification using quantum computing resources such as IBM Q.<\/p>\n

Raytheon<\/a><\/strong>
\nRaytheon BBN Technologies is a research and development center part of the Raytheon Company located in Cambridge, Massachusetts.\u00a0\u00a0 They have established a \u00a0quantum information processing group\u00a0that focuses on exploiting quantum phenomena for sensing, computing and imaging.
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\nReply<\/strong><\/a>
\nReply is a European company that provides consulting, system integration and digital services with yearly revenues that exceed 1.1 billion euros and an employee count of more than 8,000. They have created a competence center dedicated to quantum computing to investigate the application of different quantum algorithms to customers’ areas of interest. Some applications are already integrated into innovative projects. Reply has developed quantum solutions in various areas: from the transport sector, with the optimization of train and travel management, to telecommunications, with a solution capable of minimizing interference along the entire network, and to the energy sector, optimizing the planning of maintenance work, up to finance with the implementation of an optimal model for managing the costs of operating movements on the financial markets. In 2020, Reply won the worldwide Airbus quantum computing challenge with a quantum algorithm that finds the optimal loading for a plane to maximize the transported mass.
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\nRigetti Computing<\/a>
\n<\/strong>Rigetti is a full-stack quantum processor provider using a superconducting qubit technology. They provide access to their machines through their Quantum Cloud Services (QCS) platform as well as through the Amazon Braket and Microsoft Azure cloud services. The company’s headquarters are in Berkeley, California and they also operate a dedicated quantum wafer fabrication facility in Fremont, California.\u00a0 The company was founded in 2013 and went public through a business combination with Supernova Partners Acquisition Company II, Ltd. in March 2022.
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\nSEALSQ<\/strong><\/a>
\nSEALSQ is an innovator in Post-Quantum technology hardware and software solutions. Their technology seamlessly integrates semiconductors, PKI (Public Key Infrastructure), and provisioning services with a strategic emphasis on developing state-of-the-art quantum resistant cryptography and semiconductors designed to address the urgent security challenges posed by quantum computing. As quantum computers advance, traditional cryptographic methods like RSA and Elliptic Curve Cryptography (ECC) are increasingly vulnerable. SEALSQ went public in May 2023 and is headquartered in Cointrin, Switzerland.
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\nSpectral Capital Corporation<\/strong><\/a>
\nSpectral Capital Corporation (FCCN) is a publicly traded Quantum Accelerator company dedicated to the development and support of Quantum as a Service (QaaS) companies. With a history of innovation in telecommunications, Spectral Capital leverages its expertise to nurture and grow the next generation of quantum technology enterprises. They issued a press release<\/a> in July 2024 announcing the launch of its pioneering Quantum Bridge Program for accelerating the development and commercialization of quantum computing technologies. The company is headquartered in Seattle, Washington.
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\nSuperQ Quantum Computing<\/strong><\/a>
\nSuperQ Quantum Computing ( CSE: QBTQ,\u00a0 Frankfurt: 25X,\u00a0 OTC: ATMGD ) provides the Super\u2122 platform which\u00a0<\/span>combines the best of quantum annealing, gate-based quantum computing and high-performance computing to solve science and industry\u2019s most challenging problems in a ChatGPT like intuitive experience. The Super\u2122 platform was originally built by Staque in 2024-25 and was acquired by SuperQ along with the team. The company previously was known as Atco Mining Inc. and incorporated in 2021. In July 2025 the company changed its name to SuperQ Quantum Computing Inc and is based in Calgary, Canada.<\/p>\n

Toshiba – Cambridge Research Laboratory<\/a><\/strong>
\nToshiba has established a Quantum Information Group at their Cambridge, UK laboratory. This group has been focusing on quantum cryptography and has developed a quantum key distribution system.
\n<\/a>
\nXanadu<\/a><\/strong>
\nXanadu Quantum Technologies Inc. is a Canadian quantum technology company, and one of the world’s leading photonic quantum hardware providers. Founded in 2016, Xanadu’s mission is to build quantum computers that are useful and available to people everywhere. To achieve this mission, the company has taken a full-stack approach and builds hardware, software, and pursues state-of-the-art research with select partners. The company is also advancing the field of quantum machine learning (QML) through the development of PennyLane, an open-source project that has become a leading software library among quantum researchers and developers.
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\nZapata Computin<\/strong>g<\/a>
\nZapata Quantum (OTCQB: ZPTA) is a leading pure-play hardware-agnostic quantum software company, delivering solutions that accelerate quantum application development. Founded in 2017 by researchers from a Harvard University Quantum Computing Lab, Zapata has built one of the industry\u2019s most robust intellectual property portfolios in quantum and hybrid quantum-classical computing and algorithmic methods, with over 60 patents granted and pending developed over eight years.Zapata\u2019s platform supports a wide range of applications in cryptography, pharmaceuticals, finance, materials discovery, defense, and more.<\/p>\n","protected":false},"excerpt":{"rendered":"

Here is a list of public companies with known efforts in Quantum Computing. More information on the activities of these public companies will be added as this web site is built out. Please send any updates to info@quantumcomputingreport.com. 01 Communique Formed in 1992 and based in Toronto, Canada, 01 Communique started as a company that provides its customers with a suite of secure remote access services and products. In early 2018 the Company began transitioning its business focusing on cybersecurity with the development and implementation of Post-Quantum Cryptography and Post-Quantum Blockchain technologies.\u00a0 They have developed a patent-pending, quantum resistant software system […]<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-50","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nPublic Companies List - Quantum Computing Report<\/title>\n<meta name=\"description\" content=\"Here is a list of public companies with known efforts in Quantum Computing. 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