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 🇯🇵 Adaptive Finance Technologies 🇨🇦 AegiQ 🇬🇧 Agnostiq 🇨🇦 Algorithmiq 🇫🇮 Alibaba Quantum Lab 🇨🇳 Alice & Bob 🇫🇷 Aliro 🇺🇸 Amazon Braket 🇺🇸 Anyon Systems, Inc. 🇨🇦 ApexQubit 🇺🇸 Aqarios 🇩🇪 AQT 🇦🇹 aQuantum 🇪🇸 Archer Materials 🇦🇺 Arclight 🇨🇳 Arqit 🇬🇧 Artificial Brain 🇺🇸 Artiste-qb Net 🇨🇦 Atlantic Quantum 🇺🇸 Atom Computing 🇺🇸 Atos Quantum Lab 🇫🇷 Avanetix 🇩🇪 Axion Technologies 🇺🇸 Baidu Quantum Computing Institute 🇨🇳 BardeenQ Labs 🇺🇸 BEIT Inc. 🇵🇱 Black Brane Systems 🇨🇦 Bleximo 🇺🇸 blueqat 🇯🇵 BosonQ Psi 🇮🇳 Boxcat 🇨🇦 BraneCell 🇺🇸 C12 🇫🇷 ChemicalQDevice 🇺🇸 CIQTEK 🇨🇳 Classiq 🇮🇱 CogniFrame Inc. 🇨🇦 ColdQuanta 🇺🇸 ColibrITD 🇫🇷 Craft Prospect 🇬🇧 Crypta Labs 🇬🇧 Crypto Quantique 🇬🇧 D-Wave 🇨🇦 Delft Circuits 🇳🇱 Diraq 🇬🇧 EeroQ 🇺🇸 eleQtron 🇩🇪 Elyah 🇯🇵 Entangled Networks 🇨🇦 Entanglement, Inc. 🇺🇸 Entanglement Partners 🇪🇸 Entropica Labs 🇸🇬 Equal 1 🇮🇪 evolutionQ 🇨🇦 exaQ.ai 🇸🇬 Fixstars Amplify 🇯🇵 Good Chemistry Company 🇨🇦 Google Quantum AI 🇺🇸 Groovenauts 🇯🇵 h-bar 🇦🇺 Horizon Quantum Computing 🇸🇬 HQS Quantum Simulations 🇩🇪 Huawei HiQ 🇨🇳 Huayi Quantum 🇨🇳 IBM Quantum 🇺🇸 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 🇺🇸 KetPsi Shield 🇺🇸 KETS Quantum Security 🇬🇧 Ki3 Photonics 🇨🇦 Kipu Quantum 🇩🇪 Kuano 🇬🇧 Kunfeng Quantum 🇨🇳 LIGENTEC 🇨🇭 Light Rider 🇺🇸 MagiQ Technologies 🇺🇸 Maybell Quantum 🇺🇸 memQ 🇺🇸 Menten AI 🇺🇸 Microsoft Quantum 🇺🇸 Miraex 🇨🇭 Molecular Quantum Solutions 🇩🇰 Multiverse Computing 🇪🇸 Netramark 🇨🇦 Next Generation Quantum 🇺🇸 nodeQ 🇬🇧 Nord Quantique 🇨🇦 Nordic Quantum Computing Group 🇳🇴 Nu Quantum 🇬🇧 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-CTRL 🇦🇺 Q-Zoo 🇺🇸 Qapitan Quantum 🇪🇸 Qasky 🇨🇳 QBaltic 🇱🇻 QBee.eu 🇧🇪 Qbit Labs 🇮🇳 Qblox 🇳🇱 QBoson 🇨🇳 qBraid 🇺🇸 QC Ware 🇺🇸 Qedma Quantum Computing 🇮🇱 Qilimanjaro Quantum Tech 🇪🇸 Qkrishi 🇮🇳 QMware 🇨🇭 QNu Labs 🇮🇳 QphoX 🇳🇱 QpiAI 🇮🇳 QRate 🇷🇺 Qruise 🇩🇪 Qrypt 🇺🇸 QSIM+ 🇰🇷 QSimulate 🇺🇸 qtlabs 🇦🇹 Qu & Co 🇳🇱 Quandela 🇫🇷 Quanscient 🇫🇮 Quantachip Technology 🇨🇳 Quantagonia 🇩🇪 Quantastica 🇫🇮 QuantCAD 🇺🇸 QuantFi 🇫🇷 QuantGates 🇬🇧 Quantica Computacao 🇮🇳 QuantLR 🇮🇱 Quantinuum 🇺🇸 Quantopticon 🇬🇧 QuantrolOx 🇫🇮 Quantropi 🇨🇦 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 Source 🇮🇱 Quantum-South 🇺🇾 Quantum Thought 🇺🇸 Quantum Xchange 🇺🇸 QuantumCTek 🇨🇳 QuantWare 🇳🇱 QuantyCat 🇺🇸 Quanvia 🇪🇸 Quarks Interactive 🇷🇴 Qubit Engineering 🇺🇸 Qubit Pharmaceuticals 🇫🇷 Qubitekk 🇺🇸 Qubitor 🇸🇬 Qubits Brasil 🇧🇷 Qudoor 🇨🇳 QuEra Computing 🇺🇸 QuintessenceLabs 🇦🇺 QuiX Quantum 🇳🇱 Qulabs 🇮🇳 QunaSys 🇯🇵 Qunnect 🇺🇸 QuSecure 🇺🇸 Quside 🇪🇸 QuTech 🇳🇱 Raytheon Quantum Engineering and Computing 🇺🇸 Rigetti Computing 🇺🇸 RIKEN RQC-Fujitsu Collaboration Center 🇯🇵 Riverlane 🇬🇧 S-Fifteen Instruments 🇸🇬 Safe Quantum 🇺🇸 SandboxAQ 🇺🇸 SavantX 🇺🇸 Seeqc 🇺🇸 Semicyber 🇺🇸 seQre 🇵🇱 Silicon Quantum Computing 🇦🇺 Siquance 🇫🇷 softwareQ 🇨🇦 SpeQtral 🇸🇬 SpinQ 🇨🇳 SCALINQ 🇸🇪 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 🇨🇦 Xofia 🇺🇸 XT Quantech 🇨🇳 Zapata Computing 🇺🇸 ZebraKet 🇨🇦 Zhejiang Jiuzhou Quantum Technologies 🇨🇳 Zhongchuangwei Quantum 🇨🇳 Zurich Instruments 🇨🇭
Pure-play shares publicly traded
Quantinuum (later)
Quantum computer for home
CIQTEK (experimenting rather than programming)
Equal 1 (not yet available for public)
Quantum Brilliance (not yet available for public)
Quantum Computing Inc. (not yet available for public)
SpinQ (fully programmable)
Qubits roadmap
Alice & Bob 2026: “ideal quantum processor”
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: 1024 (“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: 336, ~2025: 1,000+, ~2027: 4,000+
Silicon Quantum Computing 2023: 10, <2030: 100 (“embodying error correction”)
Xanadu 2026: 1,000,000
