We’ve widened our information set to include Quantum related companies too (not just quantum computing) – some of those companies are funding the very Quantum Start-ups that we write about. Other such as Oxford Instruments, as their name suggests provide some of the refrigeration technologies that allow the super cool Qubits to operate.
We have to caveat that with private companies, despite research efforts it is often not possible to accurately determine some attributes as this information is privately held.
1. Cambridge Quantum Computing (CQC)
 | Founded: 2014 |  | Located: Cambridge, United Kingdom |  | Stage: Growth |
 | Total Funding: $72.8 Million |  | Headcount: Over 100 |  | Sector: Quantum Computing, Quantum Machine Learning, Quantum Cryptography, Research |
 | Function: Software, Consultancy |  | Company Type: Private Founders:Ilyas Khan |  | Company Value: $300M (estimated) |
 | Mission: CQC is a world leading independent quantum computing company that develops architecture-agnostic, enterprise quantum solutions to tackle some of industry’s most intriguing challenges. |  |
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2. Riverlane
| Founded: 2017 | | Located: Cambridge | | Stage: Growth |
| Total Funding: $25 M (estimated) | | Headcount: Over 50 (estimated) | | Sector: Quantum Computing, Research |
| Function: Software | | Company Type: Private Founders: Steve Brierley | | Company Value: $270 M (estimated) |
| Mission: Pioneering quantum software |  |
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3. KETS
| Founded: 2016 | | Located: Bristol, United Kingdom | | Stage: Growth |
| Total Funding: $2.8 M (estimated) | | Headcount: Above 30 | | Sector: Quantum Communications, Quantum Cryptography |
| Function: Software, Hardware | | Company Type: Private Founders: Chris Erven, Jake Kennard, Caroline Clark, Philip Sibson | | Company Value: $40M (estimated) |
| Mission: The future of secure communications, today |  |
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4. Oxford Quantum Circuits (OQC)
| Founded: 2017 | | Located: Oxford, United Kingdom | | Stage: Growth |
| Total Funding: $3M + (estimated) | | Headcount: Over 25 (estimated) | | Sector: Quantum Computing, Research |
| Function: Software, Hardware | | Company Type: Private Founders:Ilana Wisby, Peter Leek | | Company Value: $80 M (estimated) |
| Mission: Building a quantum-powered future and enabling life-changing discoveries. |  |
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5. Phasecraft
| Founded: 2018 | | Located: London, United Kingdom | | Stage: Growth |
| Total Funding: $5 M (estimated) | | Headcount: Above 25 (estimated) | | Sector: Quantum Computing, Research |
| Function: Software | | Company Type: Private Founders:Ashley Montanaro, John Morton, Toby Cubitt | | Company Value: $70 M (estimated) |
| Mission: Using disruptive theory to unlock the power of quantum computing |  |
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6. Quantum Motion
| Founded: 2017 | | Located: Oxford, United Kingdom | | Stage: Growth |
| Total Funding:$10 M (estimated) | | Headcount: Over 30 (estimated) | | Sector: Quantum Computing |
| Function: Hardware, Software | | Company Type: Private Founders: Simon Benjamin, John Morton , James Palles-Dimmock | | Company Value: $150 M (estimated) |
| Mission: At Quantum Motion we are marrying fifty years of global CMOS development with world-leading expertise in qubit design and architectures. Our team is transitioning this work away from theoretical research in universities to realise these designs in a real-world, manufacturable process. |  |
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7. Universal Quantum
| Founded: 2018 | | Located: Brighton, Sussex, United Kingdom | | Stage: Fledgling |
| Total Funding: $5 M (estimated) | | Headcount: Above 10 (estimated) | | Sector: Quantum Computing |
| Function: Hardware, Software | | Company Type: Private Founders:Winfried Hensinger, Sebastian Weidt | | Company Value: $45 M (estimated) |
| Mission: Impossible is the everyday challenge |  |
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8. Rahko
| Founded: 2018 | | Located: London, United Kingdom | | Stage: Fledgling |
| Total Funding: Over $1.8 M (estimated) | | Headcount: Above 15 (estimated) | | Sector: Quantum Machine Learning |
| Function: Software, Consultancy | | Company Type: Private Founders: Leonard Wossnig, Edward Grant, Miriam Cha, Ian Horobin | | Company Value: $20 M (estimated) |
| Mission: Solving chemistry with quantum machine learning |  |
9. PQShield
| Founded: 2018 | | Located: Oxford, United Kingdom | | Stage: Growth |
| Total Funding:$7.8 M (estimated) | | Headcount: Above 20 (estimated) | | Sector: Quantum Cryptography |
| Function: Software, Hardware | | Company Type: Private Founders:Ali El Kaafarani | | Company Value: $65 M (estimated) |
| Mission: Think openly, build securely |  |
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10. Crypto Quantique
| Founded: 2016 | | Located: London, United Kingdom | | Stage: Growth |
| Total Funding: $8M | | Headcount: Over 30 | | Sector: Quantum Communications, Quantum Cryptography |
| Function: Software, Hardware | | Company Type: Private Founders:Shahram Mossayebi, Patrick Camilleri | | Company Value: $40 M |
| Mission: Crypto Quantique uses the latest standards in cryptography and quantum tunnelling to deliver scalable, automated, easy-to-integrate security solutions to the Internet of Things, from chip design to app deployment. |  |
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11. M Squared
| Founded: 2006 | | Located: Glasgow, United Kingdom | | Stage: Enterprise |
| Total Funding: Over $50 M (estimated) | | Headcount: Over 100 | | Sector: Devices |
| Function: Hardware and Software | | Company Type: Private Founders:Graeme Malcolm, Gareth Maker | | Company Value: $350M |
| Mission: We are a photonics and quantum technology company on a mission to harness the power of light to change the world. |  |
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12. ORCA
| Founded: 2019 | | Located: London, United Kingdom | | Stage: Fledgling |
| Total Funding: $4 M+ (estimated) | | Headcount: Above 50 | | Sector: Quantum Computing |
| Function: Hardware, Software | | Company Type: Private Founders:Richard Murray, Joshua Nunn, Ian Walmsley, Cristina Escoda | | Company Value: $55 M (estimated) |
| Mission: ORCA Computing’s mission is to build photonic systems that demonstrate quantum advantage. |  |
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13. Oxford Instruments
| Founded: 1959 | | Located:Oxford, United Kingdom and International | | Stage: Enterprise |
| Total Funding: Public Company | | Headcount: Over 1500 (estimated) | | Sector: Quantum Computing, Cryptography, Sensors, Devices, Cryogenics, Research |
| Function: Hardware, Software, Consultancy | | Company Type: Public Founders:Martin Wood, Audrey Wood | | Company Value: $1.4B (estimated) |
| Mission: Oxford Instruments is a leading provider of high technology products and services for research and industry. |  |
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14. IP Group
| Founded: 2001 | | Located: London, United Kingdom | | Stage: Enterprise |
| Total Funding: Public Company | | Headcount: Over 100 | | Sector: Quantum Computing |
| Function: Investment | | Company Type: Public Founders:Alan Aubrey | | Company Value: $1.9 B |
| Mission: IP Group was set up with a mission to evolve great ideas, mainly from our partner universities, into world-changing businesses. We achieve this by systematically helping to create, build and support outstanding intellectual property-based companies. |  |
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15. Quantopticon
| Founded: 2017 | | Located: London, United Kingdom | | Stage: Fledgling |
| Total Funding: Over $100 k (estimated) | | Headcount: Under 10 | | Sector: Device |
| Function: Software | | Company Type: Private Founders:Mirella Koleva, Gaby Slavcheva | | Company Value: Over $11 M (estimated) |
| Mission: We make the world's first state-of-the-art software suite for designing and optimising solid state-based quantum-optical components |  |
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About the Data
We will not be held liable for the accuracy of this data. Much of these data are hidden from public view and change very frequently. Should you feel that any of the numbers or data are totally wrong please reach out to us, or if you would like to update the data of your organisation.
We categorise companies into Fledgling, Growth, Unicorn and Enterprise. Fledgling means that the company is fairly small and is typically in its infancy and development. Growth companies those that are steadily increasing their revenues, offering and traction in the marketplace. Unicorn companies are those companies which has gotten to the stage where they are valued at or around a billion dollars. Enterprise companies are larger more established firms which may or may not be listed entities on public markets (think IBM, Microsoft, Amazon etc).
The sector covers the businesses areas that the company operates in. We cover Quantum Computing, Quantum Communications (Networking, Internet), Quantum Sensors and Research and more.
The function is where the production of the business is captured: from building software to hardware or to making investment or providing education.
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