IonQ
The world's leading quantum platform and foundry
1353 employees · est. 2015 · College Park, United States
QuantWare
Hyperscaling quantum computers with our VIO™ QPU architecture
106 employees · est. 2020 · Delft, The Netherlands
IonQ is the older company (2015 vs 2020); IonQ is the larger of the two.
Side-by-Side Comparison
| Metric | IonQ | QuantWare |
|---|---|---|
| Founded | ||
| Founded | 2015 older | 2020 |
| Headquarters | ||
| Headquarters | College Park, United States | Delft, The Netherlands |
| Employees | ||
| Employees | 1353 larger | 106 |
| Industry | ||
| Industry | IT, Information Technology, Quantum | Hardware, Information Technology, Quantum |
| Funding Stage | ||
| Funding Stage | Corporate | Series B |
| Total Funding | ||
| Total Funding | $10.80B | $185.54M |
| Funding Rounds | ||
| Funding Rounds | 8 | 7 |
| Services | ||
| Services | Commercial quantum computers, Quantum networking and security, Quantum sensing applications, Quantum cloud access | Quantum Processor Manufacturing, QPU Scalability Solutions, Peripheral Components Production, Qubit Packaging Services, Foundry Services for Qubit Design |
| Target Customers | ||
| Target Customers | Healthcare and pharmaceutical companies, Automotive manufacturers, Cloud service providers, Government and enterprise organizations | Quantum Computation Companies, Industrial-scale Technology Firms, Research Institutions in Quantum Computing, Technology Companies focusing on Quantum Solutions, Businesses seeking Compute Efficiency |
| Taxonomy | ||
| Taxonomy | Quantum Computing, Quantum Networking, Quantum Sensing, Quantum Security, Trapped Ion Technology, Quantum Algorithms, Drug Discovery, Materials Science, Financial Modeling, Quantum Hardware, Quantum Software, Defense Solutions, AI And Machine Learning | Quantum Computers, Quantum Processors, QPU Architecture, Superconducting Qubits, Quantum Hardware, Scalable Quantum Computing, Quantum Open Architecture, VIO QPU Technology, Utility-Scale Quantum Computing, Quantum Processor Design, Foundry Services, Packaging Services, Quantum Computing Ecosystem, High-Volume Quantum Processor Supplier, Spinout From QuTech |
| Website | ||
| Website | ionq.com | quantware.com |
About IonQ
IonQ, Inc. [NYSE: IONQ] stands as a pioneering force in the quantum technology sector, epitomizing its slogan: The world's leading quantum platform and merchant supplier: quantum computing, networking, sensing, and security. Founded in 2015 and headquartered in the United States, the company has est...
About QuantWare
QuantWare, founded in 2021 by Matt Rijlaarsdam and Alessandro Bruno as a spinout from QuTech at TU Delft, positions itself as the leading quantum processor company under the banner of "Hyperscaling quantum computers with our VIO™ QPU architecture." This Netherlands-based enterprise specializes in de...
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Compiled from the BounceWatch company index. We last looked at IonQ on 16 Apr 2026, and QuantWare on 28 Aug 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.