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Quantinuum Inc.
Quantinuum was founded in 2021 through the combination of Cambridge Quantum, a UK-based quantum software firm led by Ilyas Khan, and Honeywell Quantum...
Quantinuum Inc.
Quantinuum was founded in 2021 through the combination of Cambridge Quantum, a UK-based quantum software firm led by Ilyas Khan, and Honeywell Quantum Solutions, a hardware division of Honeywell. The merged entity maintains its headquarters in Broomfield, Colorado, with additional offices in Cambridge, UK; Munich, Germany; and Tokyo, Japan. The company pursues an integrated model spanning quantum hardware and software. Its H-series trapped-ion quantum processors are among the highest-fidelity machines publicly demonstrated. TKET, its quantum compiler, has been adopted by AWS Braket, IBM, and Rigetti. Quantinuum also develops quantum natural language processing and quantum cybersecurity products. Deployments have included projects with Airbus, BMW, and JPMorgan Chase. Geographic distribution covers the US, Europe, and Japan. Quantinuum has raised approximately $625 million in equity funding from investors including Honeywell, JPMorgan Chase, and Amgen. The company reported over 500 employees as of 2024. In November 2023, Honeywell committed to invest up to $300 million in Quantinuum. Adjacent activities include participation in UK and US government quantum research programs. Quantinuum's structural differentiator is its vertical integration: it designs, manufactures, and programs quantum computers in-house, combining hardware production with a software platform that targets enterprise and government customers. This approach avoids reliance on external quantum processors and positions the firm to capture both the infrastructure and application layers of the emerging quantum computing market.
General information
Firm type
Other
Year founded
2021
AUM
Undisclosed
Location
Region
North America
Country
United States
City
Broomfield
Corporate office
Broomfield, CO, United States
Additional offices
Cambridge, UK · Munich, Germany · Tokyo, Japan
Principals
Rajeeb Hazra
CEO
Ilyas Khan
Founder
Sector focus
Frequently asked questions
Which quantum computing architecture does Quantinuum use?
Quantinuum develops trapped-ion quantum processors, which the company claims offer higher qubit fidelity and lower error rates than competing superconducting approaches. Its H-series line of processors is available through its own cloud platform and third-party services.
Does Quantinuum operate as a standalone company?
Yes. Quantinuum is a standalone corporate entity, majority-owned by Honeywell but run independently. Honeywell's quantum division was contributed at formation; Honeywell retains an equity stake but Quantinuum has its own board and CEO.
Who are Quantinuum's main institutional investors?
As of late 2023, Honeywell is Quantinuum's largest shareholder. Other disclosed investors include JPMorgan Chase, Amgen, and the UK government, which participated in a $300 million funding round closed that year.
What software does Quantinuum offer beyond hardware?
Quantinuum sells TKET, a quantum compiling and optimization toolkit used by several competing quantum hardware platforms. It also develops quantum cybersecurity products and quantum natural language processing tools.
How does Quantinuum compare to competitors like IBM or Google in quantum computing?
Quantinuum uses trapped-ion technology, while IBM and Google use superconducting qubits. The firm claims its approach yields higher gate fidelities. Its total revenue and qubit count are smaller than IBM's publicly available roadmaps.
Does Quantinuum serve government customers?
Yes. Quantinuum has participated in quantum computing research programs with the US Department of Energy and the UK government. Its cybersecurity and quantum encryption offerings target defense and intelligence agencies.
Where does Quantinuum keep its quantum computers?
Quantinuum's quantum processors are housed in the company's own facilities. Access is provided through its cloud platform, third-party cloud providers like AWS Braket, and on-premises deployments for select customers.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
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