Quantinuum

What Quantinuum does

Quantinuum is a full-stack quantum computing company formed in December 2021 through the merger of Honeywell Quantum Solutions and Cambridge Quantum Computing, with Honeywell retaining approximately 49% of voting rights following its June 2026 Nasdaq IPO (ticker: QNT) that raised $1.68 billion at a $15.6 billion post-money valuation. The company develops and operates both quantum computing hardware based on the proprietary QCCD (Quantum Charged-Coupled Device) trapped-ion architecture, including the System Model H1, H2 (56-qubit), and Helios systems, and a complementary software portfolio comprising the TKET open-source SDK, InQuanto computational chemistry platform, lambeq quantum natural language processing toolkit, and Quantum Origin cryptographic key generation platform.

The company serves Fortune-class enterprise customers across pharmaceuticals and life sciences (Amgen, Roche, Merck KGaA), financial services (JPMorgan Chase, HSBC), automotive and aerospace (BMW, Airbus), materials science and energy (JSR, Nippon Steel, TotalEnergies), and government/research sectors (RIKEN in Japan). Distribution combines direct enterprise field sales with cloud-based access through Microsoft Azure Quantum marketplace and an exclusive Japan/APAC distribution agreement with Mitsui & Co., backed by a $50 million strategic investment.

Quantinuum's revenue model is hybrid, spanning usage-based cloud access through Azure Quantum, subscription and licensing fees for software platforms (InQuanto, TKET commercial support, Quantum Origin), and professional services for joint R&D and consulting engagements. FY2025 net revenue was $30.9 million (35% year-over-year growth) with bookings of $79.3 million, against an operating loss of $199.3 million, reflecting the company's pre-commercial-scale stage. The company employs approximately 700 staff globally, including 370+ scientists and engineers (over 70% PhD-level), with operations across the United States (Colorado headquarters), United Kingdom, Germany, Japan, and Singapore.

Name

Quantinuum

Legal name

Quantinuum Inc.

Website

https://quantinuum.co.jp

Company type

Public

Founded year

2021

Operating status

Ipo

Headcount range

251–500 employees

Short description

Quantinuum is a full-stack quantum computing company building trapped-ion QCCD hardware (H1, H2, Helios systems) and software (TKET, InQuanto, Quantum Origin, lambeq), serving Fortune-class enterprises in pharmaceuticals, financial services, materials, and government across the US, UK, Germany, Japan, and Singapore.

Ownership category

akta.pro rank

Product category

Quantum Computing

NAICS

Computer and Peripheral Equipment Manufacturing (3341), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518210)

SIC

Electronic Computers (3571)

akta.pro primary industry

Quantum Cloud Infrastructure & QPU Hosting (HDAGAIAA)

akta.pro secondary industries

Quantum IDEs, Toolchains & Debugging (HDAGACAC), Quantum Cloud Security, Identity & Compliance (HDAGAIAF), Multi-Provider Quantum Aggregators & Marketplaces (HDAGAIAC), Quantum Cloud APIs, Billing & Metering (HDAGAIAJ)

Keywords

• Trapped-ion quantum computing
• Quantum chemistry simulation
• Quantum software platforms
• Quantum cryptography services
• Hybrid quantum HPC

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices6 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Software Platforms: Commercial software platforms including InQuanto (computational chemistry), TKET (with commercial support), and Quantum Origin (cybersecurity). Licensing model with enterprise agreements.
2. Cloud Access (Azure Quantum): Pay-per-use access to quantum computers through Microsoft Azure Quantum marketplace. Self-serve model for developers and researchers.
3. R&D and Consulting Services: Joint research projects and consulting engagements with enterprise partners in pharmaceuticals, materials science, and financial services. Custom algorithm development and proof-of-concept work.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels5 records

Core offering

Quantinuum is a full-stack quantum computing company that designs and manufactures trapped-ion quantum computer hardware systems (H1, H2, and Helios series) and provides a suite of quantum software platforms including InQuanto for computational chemistry, TKET as an open-source quantum SDK, lambeq for quantum natural language processing, and Quantum Origin for quantum-enhanced cryptographic key generation. The company sells quantum computing access via cloud (Azure Quantum), software licensing, and joint R&D/consulting engagements with enterprises in pharmaceuticals, financial services, materials science, automotive, and government sectors.

Differentiator

Problem solved

Functional benefit

Brands

• Quantinuum Systems: Trapped-ion quantum computer hardware systems including H1 and H2 series with industry-leading fidelity
• InQuanto
• TKET (tket)
• Quantum Origin
• Lambeq

Products and services

• Quantinuum Systems (H1, H2, Helios Trapped-Ion Quantum Computers) Industry-leading trapped-ion quantum computing hardware systems (H1, H2, Helios series) based on QCCD architecture with all-to-all qubit connectivity, mid-circuit measurement, and qubit reuse. Designed for enterprises and research institutions requiring highest-fidelity quantum computation for chemistry, optimization, and machine learning workloads. Accessible via cloud (Azure Quantum), direct deployment, or hybrid quantum-HPC integration.
• InQuanto Quantum computational chemistry software platform for molecular simulation, materials science, and drug discovery applications. Built on TKET with chemistry-specific noise mitigation. Used by pharmaceutical, materials, and energy enterprises (e.g., Roche, BMW, TotalEnergies, Nippon Steel, JSR Corporation).
• TKET Open-source software development kit for gate-based quantum computers with proprietary circuit optimization capabilities. Enables hardware-agnostic quantum programming across different quantum platforms. Available as the PyTKET Python package with extensions for interoperability with Qiskit, Cirq, PennyLane, and pyQuil. Over 500K downloads in developer community.
• Quantum Origin Quantum-enhanced cryptographic key generation platform using quantum entanglement to create unpredictably strong encryption keys. Provides cryptographic keys via Web API compatible with existing cybersecurity systems. Supports both standard cryptographic algorithms and NIST-standardized post-quantum cryptographic algorithms. Used by financial institutions (HSBC) and government/defense organizations preparing for quantum-era security threats.
• Quantum Origin Onboard Cybersecurity product extension enabling quantum-enhanced cryptographic keys to be generated directly on connected devices and endpoint systems. First enterprise software solution allowing quantum-enhanced keys on devices without requiring hardware upgrades. Designed for IoT, edge computing, and enterprise endpoint security.
• lambeq Quantum Natural Language Processing (QNLP) toolkit for converting text to quantum circuits. First QNLP software toolkit enabling quantum-native language processing for question answering, text classification, text similarity, and sentiment analysis. Supports PyTorch integration via PennyLaneModel for hybrid quantum-classical ML. Used by HSBC for explainable AI language models and JPMorgan Chase for extractive document summarization.

Quantifiable outcome

• Cross-entropy benchmark 100x better than Google 2019 results
• +4 more outcomes

Named customers12 records

Segments6 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration7 records

AI capability10 records

Feature7 records

Partnerships

15 partnerships are on record, tiered core and minor.

• Mitsubishi ElectriccoreStrategic or Co-development Partner · 4 June 2026Strategic MOU to explore application of high-fidelity trapped-ion quantum computing to industrial engineering challenges. Initial focus on computer-aided engineering and computational fluid dynamics. Mitsubishi provides expertise in electromagnetic field analysis, structural analysis, and thermal fluid simulation.
• RIKENcoreStrategic or Co-development Partner · 16 April 2026RIKEN deployed Quantinuum's Reimei (H1) and upgraded to H2 quantum computer for their hybrid quantum-HPC supercomputing platform (Reimei-Fugaku). The system integrates with Fugaku supercomputer for advanced research in pharmaceuticals, materials science, and quantum algorithm development. Part of NEDO-funded project.
• Mitsui & Co.coreChannel Partner/ Reseller/ Distributor$50 million strategic investment with distribution agreement for marketing Quantinuum quantum solutions in Japan and Asia-Pacific markets. Mitsui also invested $50 million in $300 million September 2025 funding round.
• MicrosoftcoreTechnology or IntegrationAzure Quantum provides cloud access to Quantinuum quantum computers. Joint research on reliable logical qubits achieved 800x better error rates than physical qubits on H2 system. Microsoft qubit virtualization system integrated with Quantinuum hardware.
• HivergeminorStrategic or Co-development PartnerCollaboration to develop AI-driven automated quantum algorithms for quantum chemistry. Hive platform used to discover efficient quantum algorithms achieving 70% reduction in two-qubit gate requirements.
• TotalEnergiescoreStrategic or Co-development PartnerJoint research on quantum computing applications for carbon capture materials. Published paper on CO2 adsorption modeling using metal-organic frameworks (MOFs) on Quantinuum systems.
• BMW GroupcoreStrategic or Co-development PartnerCollaborative research on quantum computing applications for automotive materials modeling. Joint work on hydrogen fuel cell electrode reaction simulation using InQuanto platform.
• AirbuscoreStrategic or Co-development PartnerPartnership on sustainable mobility research using quantum computing. Collaboration alongside BMW Group on advanced materials and aerospace applications.
• HSBCcoreStrategic or Co-development PartnerMulti-year collaboration on quantum computing applications in financial services including cybersecurity, fraud detection, and quantum natural language processing. Uses Quantum Origin for quantum-enhanced encryption.
• RochecoreStrategic or Co-development PartnerMulti-year collaboration on quantum algorithm design for early-stage drug discovery and development using NISQ devices. Uses InQuanto platform for quantum chemistry applications.
• Crown Bioscience / JSR Life SciencesminorStrategic or Co-development PartnerJoint research on quantum machine learning for cancer treatment biomarker discovery. Combines CrownBio's 15 years of preclinical research data with Quantinuum's quantum algorithms.
• JSR CorporationcoreStrategic or Co-development PartnerJoint research on semiconductor material modeling using InQuanto platform and H1 quantum computer. Focus on complex organic and inorganic semiconductor materials for advanced chip fabrication.
• Deutsche BahnminorStrategic or Co-development PartnerCollaboration on quantum algorithm optimization for train scheduling using Filter-VQE algorithms. Part of Deutsche Bahn's Digitale Schiene Deutschland initiative for railway digitalization.
• KPMGminorImplementation/ SI/ Consulting PartnerJoint project with Microsoft using Q# programming language and Quantinuum H-series for quantum algorithm development. Demonstrated simplified quantum algorithm development via cloud.
• Tokyo University (UTripl)minorStrategic or Co-development PartnerCo-sponsor of Quantinuum June 2026 Symposium along with SQAI, Q-STEP, and RIKEN. Academic collaboration on quantum computing research.

Scale indicators9 records

Recent moves10 records

Expansion highlights6 records

Direct peers

• IBM Quantum: IBM's quantum computing division (Heron, Condor, Quantum System Two) offers superconducting full-stack hardware, the Qiskit SDK, and cloud access via IBM Cloud — overlapping with Quantinuum's full-stack hardware+software+cloud model across many of the same enterprise buyers.
• IonQ: IonQ builds trapped-ion quantum computers and offers cloud access (AWS, Azure, Google Cloud). It is Quantinuum's closest direct hardware competitor with the same qubit modality and overlapping enterprise/cloud GTM.
• PsiQuantum: PsiQuantum is pursuing large-scale fault-tolerant quantum computing via a photonic modality, backed by major enterprise partners and significant capital — a long-horizon competitor to Quantinuum targeting the same eventual utility-scale market.
• Xanadu: Xanadu develops photonic quantum computers (Borealis) and the PennyLane quantum ML framework — directly competing with Quantinuum's TKET/lambeq tooling and pursuing comparable enterprise/customer overlap.
• Rigetti Computing: Rigetti builds superconducting quantum computers and provides cloud access through AWS Braket and Microsoft Azure — directly comparable to Quantinuum on hardware modality complement and cloud distribution channels.
• Google Quantum AI: Google's quantum computing program (Sycamore, Willow) develops superconducting hardware and partners with enterprise and academic users, competing with Quantinuum in pursuit of large-scale fault-tolerant quantum advantage.
• D-Wave Systems: D-Wave focuses on quantum annealing systems and hybrid solvers for optimization problems, overlapping with Quantinuum's combinatorial-optimization customers (e.g., Deutsche Bahn) and competing for quantum-applications mindshare.
• Atom Computing: Atom Computing builds neutral-atom quantum computers and offers them via Microsoft Azure Quantum — competing with Quantinuum's H-series systems for premium enterprise and government workloads.

Emerging players

• Classiq: Classiq provides a high-level quantum development platform (Qmod) with circuit-compilation functionality that overlaps Quantinuum's TKET — useful in benign comparisons run against Quantinuum's hardware (e.g., SoftBank study).
• QC Ware: QC Ware develops quantum algorithms and software tools for enterprise use cases (finance, pharma, materials) — overlapping with Quantinuum's InQuanto/lambeq consulting and software platform business.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/quantinuum_jp
• LinkedInlinkedin.com/company/quantinuumqc

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Subsidiaries2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Quantinuum