Alternatives to IonQ
The top Quantum Computing companies similar to IonQ, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
Pasqal61Quantum ComputingPalaiseau, France$273.0M- IQIQM Quantum54Quantum ComputingEspoo, Finland$902.4M
PsiQuantum70Quantum ComputingPalo Alto, United States$3.6B
Quantinuum66Quantum ComputingBroomfield, United States$1.2B
Quantum Art62Quantum ComputingTel Aviv, Israel$141.1M
IQM58Quantum ComputingEspoo, Finland$516.0M- Q-Q-ANT42Quantum ComputingTel Aviv, Israel$80.0M
IBM Quantum12Quantum ComputingYorktown Heights, United States
D-Wave51Quantum ComputingBurnaby, Canada$40.0M
Nord Quantique Inc.50Quantum ComputingSherbrooke, Canada$30.0M
AI Quantum32Quantum ComputingCambridge, United States$1.0M
QUANTUMSOURCE LABS19Quantum ComputingPalo Alto, United States
Quantum Machines69Quantum ComputingTel Aviv, Israel$293.0M
eleQtron63Quantum ComputingSiegen, Germany$83.0M
QuantWare62Quantum ComputingDelft, Netherlands$162.0M
Quantum Source Labs61Quantum ComputingPalo Alto, United States$78.5M- IQIQM Quantum Computers60Quantum ComputingEspoo, Finland$532.9M
Rigetti Computing59Quantum ComputingBerkeley, United States$378.0M
QEDMA57Quantum ComputingTel Aviv, Israel$40.7M
Infleqtion54Quantum ComputingLondon, United Kingdom$405.0M- ATAtlantic Quantum49Quantum ComputingBoston, United States$12.0M
PhotonicsQ46Photonic$1.0M- VAVacua37Quantum Computing
Google Quantum AI19Quantum ComputingSanta Barbara, United States
AetherFlux61Quantum ComputingPalo Alto, United States$300.0M
Quantum Transistors47Quantum ComputingPalo Alto, United States$34.0M- Quantum Kinetics19Quantum ComputingToronto, Canada
- KUKuano TechnologiesQuantum ComputingCambridge, United Kingdom$1.0M
NVIDIA Corp84Professional VisualizationSanta Clara, United States$4.1B
Nvidia82HardwareSanta Clara, United States$4.0B
Positron AI, .71AI ChipReno, United States$10.0M
Lightelligence70AI HardwareWaltham, United States$220.7M- TSTsavorite Scalable Intelligence69AI ChipMilpitas, United States$5.0M
Neurophos63AI ChipSan Jose, United States$124.2M
Medra63Healthcare AISan Francisco, United States$63.0M
Zapata Quantum62Quantum ComputingBoston, USA$89.1M
Elicit62Artificial IntelligenceOakland, United States$31.0M
Algorithmiq62Quantum ComputingHelsinki, Finland$38.1M
Ventana Micro Systems61AI ChipCupertino, United States$70.4M
FuriosaAI60AI ChipSeoul, South Korea$405.0M
Lilas57Frontier AI LabCambridge, United States$351.5M
Majestic56AI InfrastructureLos Altos, United States$100.0M
LightSolver55ComputingSan Francisco, United States
Groq54AI HardwareMountain View, United States$2.1B- ASAstradyne54AI InfrastructureSan Francisco, United States$2.2M
- QUQUANTIER TECHNOLOGIES54Quantum ComputingHong Kong, Hong Kong
Mentee Robotics51RoboticsTel Aviv, Israel$17.0M
FMC (Frankfurt Microchip)50AI ChipDresden, Germany$108.0M
Spectral Compute49AI InfrastructureCambridge, United Kingdom$29.0M
Tenstorrent47AI ChipToronto, Canada$1.4B
Figure Technology45RoboticsSunnyvale, United States$965.0M- EXExtropic41Frontier AI LabPalo Alto, United States$155.4M
- PRProfluent40Frontier AI LabSan Francisco, United States$358.0M
CuspAI35Advanced Manufacturing & MaterialsCambridge, United Kingdom$5.0M- Phi-Coherent .33Quantum Computing
- CACasimir29Quantum ComputingHouston, USA$3.5M
- NVNVFP4 KV Cache5AI Foundation & Compute
QuantumLeap AI2Quantum ComputingPalo Alto, United States- QuantenlandQuantum ComputingBerlin, Germany$1.5M
- ChemokitAI InfrastructureTel Aviv, Israel$1.5M
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
| Pasqal | Quantum Computing | Palaiseau, France | $273.0M | 61 |
| IQIQM Quantum | Quantum Computing | Espoo, Finland | $902.4M | 54 |
| PsiQuantum | Quantum Computing | Palo Alto, United States | $3.6B | 70 |
| Quantinuum | Quantum Computing | Broomfield, United States | $1.2B | 66 |
| Quantum Art | Quantum Computing | Tel Aviv, Israel | $141.1M | 62 |
| IQM | Quantum Computing | Espoo, Finland | $516.0M | 58 |
| Q-Q-ANT | Quantum Computing | Tel Aviv, Israel | $80.0M | 42 |
| IBM Quantum | Quantum Computing | Yorktown Heights, United States | — | 12 |
| D-Wave | Quantum Computing | Burnaby, Canada | $40.0M | 51 |
| Nord Quantique Inc. | Quantum Computing | Sherbrooke, Canada | $30.0M | 50 |
| AI Quantum | Quantum Computing | Cambridge, United States | $1.0M | 32 |
| QUANTUMSOURCE LABS | Quantum Computing | Palo Alto, United States | — | 19 |
| Quantum Machines | Quantum Computing | Tel Aviv, Israel | $293.0M | 69 |
| eleQtron | Quantum Computing | Siegen, Germany | $83.0M | 63 |
| QuantWare | Quantum Computing | Delft, Netherlands | $162.0M | 62 |
| Quantum Source Labs | Quantum Computing | Palo Alto, United States | $78.5M | 61 |
| IQIQM Quantum Computers | Quantum Computing | Espoo, Finland | $532.9M | 60 |
| Rigetti Computing | Quantum Computing | Berkeley, United States | $378.0M | 59 |
| QEDMA | Quantum Computing | Tel Aviv, Israel | $40.7M | 57 |
| Infleqtion | Quantum Computing | London, United Kingdom | $405.0M | 54 |
| ATAtlantic Quantum | Quantum Computing | Boston, United States | $12.0M | 49 |
| PhotonicsQ | Photonic | — | $1.0M | 46 |
| VAVacua | Quantum Computing | — | — | 37 |
| Google Quantum AI | Quantum Computing | Santa Barbara, United States | — | 19 |
| AetherFlux | Quantum Computing | Palo Alto, United States | $300.0M | 61 |
| Quantum Transistors | Quantum Computing | Palo Alto, United States | $34.0M | 47 |
| Quantum Computing | Toronto, Canada | — | 19 | |
| KUKuano Technologies | Quantum Computing | Cambridge, United Kingdom | $1.0M | — |
| NVIDIA Corp | Professional Visualization | Santa Clara, United States | $4.1B | 84 |
| Nvidia | Hardware | Santa Clara, United States | $4.0B | 82 |
| Positron AI, . | AI Chip | Reno, United States | $10.0M | 71 |
| Lightelligence | AI Hardware | Waltham, United States | $220.7M | 70 |
| TSTsavorite Scalable Intelligence | AI Chip | Milpitas, United States | $5.0M | 69 |
| Neurophos | AI Chip | San Jose, United States | $124.2M | 63 |
| Medra | Healthcare AI | San Francisco, United States | $63.0M | 63 |
| Zapata Quantum | Quantum Computing | Boston, USA | $89.1M | 62 |
| Elicit | Artificial Intelligence | Oakland, United States | $31.0M | 62 |
| Algorithmiq | Quantum Computing | Helsinki, Finland | $38.1M | 62 |
| Ventana Micro Systems | AI Chip | Cupertino, United States | $70.4M | 61 |
| FuriosaAI | AI Chip | Seoul, South Korea | $405.0M | 60 |
| Lilas | Frontier AI Lab | Cambridge, United States | $351.5M | 57 |
| Majestic | AI Infrastructure | Los Altos, United States | $100.0M | 56 |
| LightSolver | Computing | San Francisco, United States | — | 55 |
| Groq | AI Hardware | Mountain View, United States | $2.1B | 54 |
| ASAstradyne | AI Infrastructure | San Francisco, United States | $2.2M | 54 |
| QUQUANTIER TECHNOLOGIES | Quantum Computing | Hong Kong, Hong Kong | — | 54 |
| Mentee Robotics | Robotics | Tel Aviv, Israel | $17.0M | 51 |
| FMC (Frankfurt Microchip) | AI Chip | Dresden, Germany | $108.0M | 50 |
| Spectral Compute | AI Infrastructure | Cambridge, United Kingdom | $29.0M | 49 |
| Tenstorrent | AI Chip | Toronto, Canada | $1.4B | 47 |
| Figure Technology | Robotics | Sunnyvale, United States | $965.0M | 45 |
| EXExtropic | Frontier AI Lab | Palo Alto, United States | $155.4M | 41 |
| PRProfluent | Frontier AI Lab | San Francisco, United States | $358.0M | 40 |
| CuspAI | Advanced Manufacturing & Materials | Cambridge, United Kingdom | $5.0M | 35 |
| Quantum Computing | — | — | 33 | |
| CACasimir | Quantum Computing | Houston, USA | $3.5M | 29 |
| NVNVFP4 KV Cache | AI Foundation & Compute | — | — | 5 |
| QuantumLeap AI | Quantum Computing | Palo Alto, United States | — | 2 |
| Quantum Computing | Berlin, Germany | $1.5M | — | |
| AI Infrastructure | Tel Aviv, Israel | $1.5M | — |