 | Quantinuum unites Cambridge’s best-in-class software with Honeywell high-fidelity hardware to accelerate quantum computing. With integrated full-stack technology, they’re rapidly scaling quantum computing. Quantinuum is working on creating products for quantum application across industries, including Drug discovery and delivery, Material science, Finance, Quantum Natural Language Processing, Optimization, supply chain and logistics, and Artificial Intelligence. On achievements, in July 2022, when its scientists devised a technique to allow ions to turn 90 degrees when travelling through ion trap intersections, they solved a technical QCCD difficulty that had confounded the quantum research community for years. Location: Oxford, United Kingdom Estimated No. Of Employees: 400+ Website: www.quantinuum.com |
 | Oxford Quantum Circuits build quantum computers to help customers solve some of humanity’s most significant challenges, from climate change to new drug discoveries. They have built the UK’s most advanced quantum computers, the only ones commercially available in the country. They have also launched the UK’s first Quantum Computing as-a-Service (QCaaS), bringing quantum to the enterprise at the fingertips of their customers and partners. OQC’s superconducting circuit is its core innovative technology, called the Coaxmon, designed to solve the following challenges: it has a three-dimensional architecture that brings key componentry off-chip for vastly increased simplicity, flexibility, engineerability, and, crucially, scalability. Location: Oxford, Oxfordshire, United Kingdom Estimated No. Of Employees: 50+ Website: https://www.oxfordquantumcircuits.com |
 | Universal Quantum is a spinoff from the Ion Quantum Technology Group at the University of Sussex and headed by Professor Winfried Hensinger. Its goal is to develop practical quantum computers using microwave-trapped ion technology that uses long-wavelength radiation and locally applied magnetic fields to replace the vast amounts of individually controlled laser beams used in other ion trap implementations. In November 2022, Universal Quantum won a $66 million-dollar contract to build a fully scalable trapped-Ion quantum computer from the German Aerospace Center. There has only recently been limited access to working prototypes available to researchers. The development of practical applications on a scalable quantum computer will be the next stage in quantum computing. It will be made possible by the construction of two computers by Universal Quantum and the DLR under this contract. Location: Brighton, East Sussex, United Kingdom Estimated No. Of Employees: 30+ Website: https://universalquantum.com/ |
 | KETS Quantum Security has developed a range of technologies for quantum-secured communications, including quantum key distribution (QKD) and quantum random number generation (QRNG). Its devices are based on integrated photonic technologies leading to miniaturization, cost-effective manufacture, and complex functionality. Chip-scale Quantum Key Distribution (QKD) technology developed by the company is a flexible and scalable choice for cryptographic key distribution since it has minimal size, weight, and power (SWaP) requirements and is produced in conventional semiconductor foundries. With this integration of KETS chips, the device enables equipment manufacturers to create several new quantum-secured products that can be used for secure communications in data-sensitive industries, including finance, energy, and defence. Location: Bristol, Avon, United Kingdom Estimated Value: $40M Estimated No. Of Employees: 30+ Website: www.kets-quantum.com |
 | Riverlane is building a simulation engine for microscopic systems that accurately accounts for quantum effects. They will bring the discovery of materials and drugs into a new computational era, one where the physical laboratory is used only sparingly to validate results, fundamentally accelerating the pace of discovery. In November 2022, Riverlane unveiled the world’s first scalable quantum error decoder. Riverlane exhibited the entire cycle of operations to precisely detect certain quantum data errors in milliseconds on a simulated quantum computer in front of a live audience at the NQTS. It was the first quantum decoder to support a very high number of qubits. Location: Cambridge, United Kingdom Estimated Value: $270 M Estimated No. Of Employees: 50+ Website: www.riverlane.com |
 | Oxford Instruments is a leading provider of high-technology products and services for research and industry. Oxford Instruments offer reliable and state-of-the-art device fabrication solutions for the various approaches in hardware platforms to realize quantum computers. It is a public company listed on the London Stock Exchange Main Market. Location: Abingdon, United Kingdom Estimated Value: $1.4B Estimated No. Of Employees: 1500+ Website: www.oxinst.com |
 | ORCA Computing is developing a new approach to quantum computing using proprietary ORCA quantum memory technology and leveraging an industry-standard infrastructure. Location: London, United Kingdom Estimated Value: $55M Estimated No. Of Employees: 50+ Website: www.orcacomputing.com |
 | M Squared provides a range of quantum products, including integrated systems (quantum accelerometers, gravimeters and clocks), optical systems, and electronics for businesses and institutions globally. The business creates and produces lasers and photonic instruments for research, remote sensing, biophotonics, defence, and metrology. Technically speaking, the company specializes in diode-pumped solid-state ti-sapphire, mid-infrared, and terahertz lasers, according to its entry in the Scottish Optoelectronics Association. Location: Glasgow, United Kingdom Estimated Value: $350M Estimated No. Of Employees: 100+ Website: www.m2lasers.com |
 | PQShield is creating the global standards and core technologies to power the security layer of the world’s leading organizations through Post Quantum Cryptography. PONE Biometrics, a Norwegian cyber security company, and PQShield entered a partnership agreement in December 2022 to produce future-proof cryptographic security solutions by integrating PQC algorithms into OFFPAD, a smart card-sized hardware solution. This makes OFFPAD quantum secure. Location: Oxford, United Kingdom Estimated Value: $65 M Estimated No. Of Employees: 20+ Website: www.pqshield.com |
 | Quantopticon makes simulation software called Quantillion, which models quantum-optical devices and light pulses with unparalleled accuracy. Its mission is to create the world’s first comprehensive software suite for designing and optimizing quantum devices. Location: London, United Kingdom Estimated Value: Over $11 M Estimated No. Of Employees: Under 10 Website: www.quantopticon.co.uk |
 | Post-Quantum protects the world’s information against today’s threats and tomorrow’s challenges. Specializing in innovative identity and cyber-security solutions, PQ brings its expertise in cryptography and data protection to solve access, approval, and oversight challenges for clients across sectors. The company has been active in post-quantum cyber security since 2009 and has consulted across a range of industries including Financial services, Defence & National security, Critical National Infrastructure, and Everyday use. Location: London, United Kingdom Estimated No. Of Employees: 10+ Website: www.post-quantum.com |
 | Nu Quantum is building hardware for the quantum era. Nu Quantum is a telecommunications company that develops end-to-end quantum cryptography systems. It secures communications within and between cities. The special qualities of the photons, referred to as the third kind of light are now easier to harness thanks to a technology platform created by Nu-quantum that can source, manipulate, and detect single-photons at room temperature. This makes quantum photonics a very real, scalable, and integrated solution for a variety of markets. Location: Cambridge, United Kingdom Estimated No. Of Employees: Under 10 Website: nu-quantum.com |
 | Crypto Quantique combines cryptography and quantum physics to develop security products that drive end-to-end security and unlock scalability for IoT networks. The vertically integrated, extremely secure IoT deployments made possible by Crypto Quantique’s quantum-driven cybersecurity silicon solution are based on each device’s unforgeable hardware root of trust. This remedy is impervious to all known assaults. Location: London, United Kingdom Estimated Value: $40M Estimated No. Of Employees: 30+ Website: www.cryptoquantique.com |
 | Quantum Dice is an award-winning, fast-growing quantum technology startup backed by world-leading innovation from the University of Oxford. Providing random number generation (QRNGs) which generate unbiased, true random numbers. RNGs are essential components of modern communication technologies that generate cryptographically secure keys in a wide range of commercial settings. In 2021, Quantum Dice received a Business Start-Up Award for the development of verifiable and secure photonics to advance key industrial applications in security, simulation and AI. A self-certification method that continuously evaluates the available randomness ensures that the output numbers have the highest amount of randomness that could be extracted. This innovation sets Quantum Dice’s quantum random number generators (QRNGs) apart. The physics department of the University of Oxford’s quantum optics group, under the direction of Professor Ian Walmsley, did the research that led to the invention of the patented device. Location: Oxford, United Kingdom Website: www.quantum-dice.com Estimated Value: >$10M Estimated No. Of Employees: 20+ |
 | Phasecraft is a quantum software company whose goal is to get the most out of near-term quantum computing hardware. It uses disruptive theory to unlock the power of quantum computing. Phasecraft announced in August 2022 that it would be in charge of a grant-funded project with BT and Rigetti that aims to provide near-term quantum computing for tackling challenging optimization and constraint fulfilment issues. Location: London, United Kingdom Estimated No. Of Employees: Under 10 Website: www.phasecraft.io |
 | Oxford Ionics is delivering world-leading innovations to create the most powerful, accurate and reliable quantum computers. In January 2023, Oxford Ionics secured GBP 30 million in its series A funding round, bringing its total funding to GBP 37 million. Location: Oxford, United Kingdom Estimated No. Of Employees: Under 10 Website: www.oxionics.com |
 | Kuano provides innovative quantum and AI solutions for drug discovery and design. Its discovery platform uniquely combines target quantum mapping, and AI led chemistry to enable faster development of better drug candidates. Unique to the field of drug discovery, Kuano utilizes enzyme inhibitors while continuously creating tools to overcome the difficulties of working with machine learning and quantum simulations. This approach speeds up the discovery process and considerably raises the standard of newly manufactured medications. Location: Cambridge, England Estimated No. Of Employees: Under 10 Website: www.kuano.ai |
 | Arqit uses transformational quantum encryption technology to keep safe the data of governments, enterprises, and citizens. Arqit supplies a unique quantum encryption Platform-as-a-Service that makes the communications links of any networked device secure against current and future forms of attack – even from a quantum computer. In May 2021, Arqit went public and has since been listed on NASDAQ. Location: London, United Kingdom Estimated No. Of Employees: 11- 50 Website: www.arqit.uk |
 | Crypta Labs has developed Quantum Random Number Generators (QRNGs) to produce truly random numbers for use in encryption. Its technology’s primary use is in cryptographic functions for key generation to encrypt data and communications. Location: Oxford, United Kingdom Estimated No. Of Employees: Under 10 Website: www.cryptalabs.com |
 | Quantum Motion is developing a revolutionary technology platform; not just a qubit, but a scalable array of qubits fabricated on silicon with a CMOS-compatible process. With its own method that can fit thousands of quantum dots onto a single silicon chip fabricated in a commercial semiconductor foundry, Quantum Motion joined the silicon spin qubit club in October 2022. The move represents a slight advancement toward developing large-scale fault-tolerant quantum systems. Location: Oxford, United Kingdom Estimated Value: $150M Estimated No. Of Employees: 30+ Website: www.quantummotion.tech |
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