Selection of quantum information technology companies, or groups within companies.
Extras: 1) pure-play shares publicly traded, 2) quantum computers you might be able to buy, 3) concrete qubit-count roadmaps.
Companies
1QBit 🇨🇦 A*Quantum 🇯🇵 Abelian 🇺🇸 Adaptive Finance Technologies 🇨🇦 AegiQ 🇬🇧 Agnostiq 🇨🇦 Algorithmiq 🇫🇮 Alibaba Quantum Lab 🇨🇳 Alice & Bob 🇫🇷 Aliro 🇺🇸 Amazon Braket 🇺🇸 Analog Quantum Circuits 🇦🇺 Anaqor 🇩🇪 AngelQ 🇸🇬 Anyon Systems, Inc. 🇨🇦 ApexQubit 🇺🇸 Aqarios 🇩🇪 AQT 🇦🇹 aQuantum 🇪🇸 Aquark Technologies 🇬🇧 Archer Materials 🇦🇺 Arclight 🇨🇳 Arqit 🇬🇧 ARQUE Systems 🇩🇪 Artificial Brain 🇺🇸 Artiste-qb Net 🇨🇦 Atlantic Quantum 🇺🇸 Atom Computing 🇺🇸 AtomQL 🇸🇮 Atos Quantum Lab 🇫🇷 Avanetix 🇩🇪 Axion Technologies 🇺🇸 Baidu Quantum Computing Institute 🇨🇳 BardeenQ Labs 🇺🇸 BEIT Inc. 🇵🇱 Black Brane Systems 🇨🇦 Blackhills Quantum 🇧🇪 Bleximo 🇺🇸 blueqat 🇯🇵 BlueQubit 🇺🇸 Bohr Quantum 🇺🇸 BosonQ Psi 🇮🇳 Boxcat 🇨🇦 BraneCell 🇺🇸 BTQ 🇨🇦 C12 🇫🇷 ChemicalQDevice 🇺🇸 CIQTEK 🇨🇳 Classiq 🇮🇱 CogniFrame Inc. 🇨🇦 ColdQuanta 🇺🇸 ColibrITD 🇫🇷 Craft Prospect 🇬🇧 Crypta Labs 🇬🇧 Crypto Quantique 🇬🇧 D-Wave 🇨🇦 Dark Star Quantum Lab 🇺🇸 Delft Circuits 🇳🇱 Diraq 🇦🇺 EeroQ 🇺🇸 eleQtron 🇩🇪 Elyah 🇯🇵 Entangled Networks 🇨🇦 Entanglement, Inc. 🇺🇸 Entanglement Partners 🇪🇸 Entropica Labs 🇸🇬 Ephos 🇮🇹 Equal 1 🇮🇪 Eviden 🇫🇷 evolutionQ 🇨🇦 exaQ.ai 🇸🇬 finQbit 🇵🇱 Fixstars Amplify 🇯🇵 ForeQast 🇨🇦 GenMat 🇺🇸 Good Chemistry Company 🇨🇦 Google Quantum AI 🇺🇸 Groovenauts 🇯🇵 h-bar 🇦🇺 Haiqu 🇺🇸 Horizon Quantum Computing 🇸🇬 HQS Quantum Simulations 🇩🇪 Huawei HiQ 🇨🇳 Huayi Quantum 🇨🇳 IBM Quantum 🇺🇸 Icarus Quantum 🇺🇸 Icosa Computing 🇺🇸 ID Quantique 🇨🇭 Iff Technologies 🇺🇸 Infleqtion 🇺🇸 InfiniQuant 🇩🇪 infinityQ 🇨🇦 Ingenii 🇺🇸 Inspiration-Q 🇪🇸 Intel Labs / Quantum Computing 🇺🇸 IonQ 🇺🇸 IQM 🇫🇮 ISARA 🇨🇦 JoS QUANTUM 🇩🇪 J.P. Morgan FLARE / Quantum Technologies 🇺🇸 KEEQuant 🇩🇪 KetPsi Shield 🇺🇸 KETS Quantum Security 🇬🇧 Ki3 Photonics 🇨🇦 Kipu Quantum 🇩🇪 Kuano 🇬🇧 Kunfeng Quantum 🇨🇳 LIGENTEC 🇨🇭 Light Rider 🇺🇸 LQUOM 🇯🇵 LuxQuanta 🇪🇸 MagiQ Technologies 🇺🇸 Maybell Quantum 🇺🇸 memQ 🇺🇸 Menten AI 🇺🇸 Microsoft Quantum 🇺🇸 Miraex 🇨🇭 Molecular Quantum Solutions 🇩🇰 Multiverse Computing 🇪🇸 Murray Associates of Utica 🇺🇸 NanoQT 🇯🇵 Netramark 🇨🇦 Next Generation Quantum 🇺🇸 nodeQ 🇬🇧 Nord Quantique 🇨🇦 Nordic Quantum Computing Group 🇳🇴 Nu Quantum 🇬🇧 Nutshell Quantum-Safe 🇦🇹 ODE, L3C 🇺🇸 Orange QS 🇫🇷 ORCA Computing 🇬🇧 Origin Quantum 🇨🇳 Oxford Ionics 🇬🇧 Oxford Quantum Circuits 🇬🇧 ParityQC 🇦🇹 PASQAL 🇫🇷 Pauli Group 🇨🇦 Phase Space Computing 🇸🇪 Phasecraft 🇬🇧 Photonic Inc 🇨🇦 PiDust 🇬🇷 planqc 🇩🇪 Polaris Quantum Biotech 🇺🇸 PQSecure 🇺🇸 ProteinQure 🇨🇦 PsiQuantum 🇺🇸 Q.ANT 🇩🇪 Q-Bra 🇧🇷 Q-CTRL 🇦🇺 Q-Zoo 🇺🇸 Qapitan Quantum 🇪🇸 Qasky 🇨🇳 QBaltic 🇱🇻 QBee.eu 🇧🇪 Qbit Labs 🇮🇳 Qblox 🇳🇱 QBoard 🇷🇺 QBoson 🇨🇳 qBraid 🇺🇸 QC Design 🇩🇪 QC Ware 🇺🇸 QCentroid 🇪🇸 QDC.ai 🇵🇱 Qedma Quantum Computing 🇮🇱 QI Solutions, Inc. 🇺🇸 Qilimanjaro Quantum Tech 🇪🇸 Qkrishi 🇮🇳 QMware 🇨🇭 QNu Labs 🇮🇳 QPerfect 🇫🇷 QphoX 🇳🇱 QpiAI 🇮🇳 QRate 🇷🇺 Qruise 🇩🇪 Qrypt 🇺🇸 QSIM+ 🇰🇷 QSimulate 🇺🇸 qtlabs 🇦🇹 Qu & Co 🇳🇱 QuAIL Technologies 🇺🇸 Quandela 🇫🇷 Quanscient 🇫🇮 Quantachip Technology 🇨🇳 Quantagonia 🇩🇪 Quantastica 🇫🇮 QuantCAD 🇺🇸 QuantFi 🇫🇷 QuantGates 🇬🇧 Quantica Computacao 🇮🇳 QuanTier 🇭🇰 QuantLR 🇮🇱 Quantinuum 🇺🇸 Quantopticon 🇬🇧 QuantrolOx 🇫🇮 Quantropi 🇨🇦 Quantshift Systems 🇬🇧 Quantuloop 🇺🇸 Quantum Art 🇮🇱 Quantum Base 🇬🇧 Quantum Benchmark 🇨🇦 Quantum Blockchains 🇵🇱 Quantum Blocks 🇩🇪 Quantum Bridge Technologies 🇨🇦 Quantum Brilliance 🇦🇺 Quantum Circuits, Inc. 🇺🇸 Quantum Computing Inc. 🇺🇸 Quantum Dice 🇬🇧 Quantum eMotion 🇨🇦 Quantum Machines 🇮🇱 Quantum Mads 🇪🇸 Quantum Motion 🇬🇧 Quantum Optics Jena 🇩🇪 Quantum Software Technology 🇪🇸 Quantum Source 🇮🇱 Quantum-South 🇺🇾 Quantum Thought 🇺🇸 Quantum Transistors 🇮🇱 Quantum Xchange 🇺🇸 QuantumAI 🇮🇳 QuantumCTek 🇨🇳 QuantWare 🇳🇱 QuantyCat 🇺🇸 Quanvia 🇪🇸 Quarks Interactive 🇷🇴 Qubit Engineering 🇺🇸 Qubit Pharmaceuticals 🇫🇷 Qubitekk 🇺🇸 Qubitor 🇸🇬 Qubo Consulting 🇨🇦 Qubrid 🇺🇸 Qudoor 🇨🇳 QuEL, Inc. 🇯🇵 QuEra Computing 🇺🇸 QuintessenceLabs 🇦🇺 QuiX Quantum 🇳🇱 Qulabs 🇮🇳 QunaSys 🇯🇵 Qunnect 🇺🇸 Qunova Computing 🇰🇷 Quobly 🇫🇷 Quoherent 🇺🇸 QuSecure 🇺🇸 Quside 🇪🇸 QuTech 🇳🇱 Raytheon Quantum Engineering and Computing 🇺🇸 Resilient Entanglement 🇺🇸 Rigetti Computing 🇺🇸 RIKEN RQC-Fujitsu Collaboration Center 🇯🇵 Riverlane 🇬🇧 S-Fifteen Instruments 🇸🇬 Safe Quantum 🇺🇸 SandboxAQ 🇺🇸 SavantX 🇺🇸 SaxonQ 🇩🇪 SCALINQ 🇸🇪 Seeqc 🇺🇸 Semicyber 🇺🇸 SemiQon 🇫🇮 seQre 🇵🇱 Silicon Quantum Computing 🇦🇺 softwareQ 🇨🇦 Sparrow Quantum 🇩🇰 SpeQtral 🇸🇬 SpinQ 🇨🇳 SQE 🇺🇸 Stafford Computing 🇺🇸 STEMIAC 🇭🇷 Strangeworks 🇺🇸 Super.tech 🇺🇸 Tencent Quantum Lab 🇨🇳 Terra Quantum 🇨🇭 Toshiba Quantum Information Group 🇯🇵 Turing 🇺🇸 TuringQ 🇨🇳 Unitary Zero Space 🇫🇮 Universal Quantum 🇬🇧 VeriQloud 🇫🇷 Welinq 🇫🇷 Xanadu 🇨🇦 XeedQ 🇩🇪 Xofia 🇺🇸 XT Quantech 🇨🇳 Zapata AI 🇺🇸 ZebraKet 🇨🇦 Zhejiang Jiuzhou Quantum Technologies 🇨🇳 Zhongchuangwei Quantum 🇨🇳 Zurich Instruments 🇨🇭
Pure-play shares publicly traded
Quantinuum (later)
Zapata AI (later)
Quantum computer for home
CIQTEK (experimenting rather than programming)
Equal 1 (production status unknown)
Quantum Brilliance (edge computing, not intended for use in the classroom)
Quantum Computing Inc. (currently only available via cloud)
SaxonQ (production status unknown)
SpinQ (fully programmable)
XeedQ (can be pre-booked now)
Qubits roadmap
Alice & Bob 2026: “ideal quantum processor”
ARQUE Systems ~2025: 10, 2027: 100, ~2030: 10,000, ~2033: 1,000,000
Atom Computing 2021: 100
Diraq ~2025: 100, ~2028: 1,000, 2035-40: 1,000,000, 2050: 1,000,000,000
Fujitsu / RIKEN 2023: 64, 2026: 1,000+
Google 2029: 1,000,000
IBM 2022: 433, 2023: 1,121, 2024: 1,386+, 2025: 4,158+, 2030: 1,000,000
IonQ 2023: 29, 2024: 35, 2025: 64, 2026: 256, 2027: 384, 2028: 1,024 (“algorithmic qubits”)
Origin Quantum 2022: 144, 2025: 1,024, 2028: 10,000, 2032: 1,000,000
PASQAL 2022: 100, 2023: 1,000
PsiQuantum ~2025: 1,000,000 (“begin assembling”)
QBoson 2024-2025: 1,000,000 (“coherent quantum computing”)
Quantum Brilliance ~2025: ~50 (“quantum accelerator”)
QuEra 2024: 1,024
Rigetti Computing 2023: 84
Silicon Quantum Computing 2023: 10, <2030: 100 (“embodying error correction”)
Xanadu 2026: 1,000,000
XeedQ 2026: 256+ (“mobile quantum processor”)
