D-Wave logo

D-Wave

The Quantum Computing Company

281 employees · est. 1999 · Palo Alto, United States

VS
IonQ logo

IonQ

The world's leading quantum platform and foundry

1353 employees · est. 2015 · College Park, United States

D-Wave is the older company (1999 vs 2015); IonQ is the larger of the two.

Side-by-Side Comparison

D-Wave IonQ
Founded
1999 older 2015
Headquarters
Palo Alto, United States College Park, United States
Employees
281 1353 larger
Industry
Manufacturing, Quantum, Semiconductor IT, Information Technology, Quantum
Funding Stage
Grant Corporate
Total Funding
$223.01M $10.80B
Funding Rounds
15 8
Services
Quantum Computing Solutions, Professional Services, Hybrid-Quantum Solutions, Cloud Platform, Training Commercial quantum computers, Quantum networking and security, Quantum sensing applications, Quantum cloud access
Target Customers
Enterprises, Government Agencies, National Laboratories, Academic Organizations, Research Community Healthcare and pharmaceutical companies, Automotive manufacturers, Cloud service providers, Government and enterprise organizations
Taxonomy
Quantum Computing Systems, Software Development, Logistics Optimization, Artificial Intelligence Applications, Materials Sciences, Drug Discovery, Cybersecurity Solutions, Fault Detection, Financial Modeling, Annealing Quantum Computers, Gate-model Quantum Computers, Investor Relations, Commercial Quantum Computing, Customer Value Delivery, Commercial Supplier Of Quantum Computers 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
Website
dwavequantum.com ionq.com
D-Wave logo

About D-Wave

D-Wave, known as "The Quantum Computing Company," is the forefront developer and provider of quantum computing systems, software, and services. It holds the distinction of being the world's first commercial supplier of quantum computers and the sole company focused on the development of both anneali...

IonQ logo

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...

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Funding, hiring, leadership and stack changes at D-Wave and IonQ — by email.

Frequently Asked Questions

D-Wave — The Quantum Computing Company . IonQ — The world's leading quantum platform and foundry. Both companies operate in related markets but may differ in funding stage, team size, and product focus.
D-Wave has raised $223.01M while IonQ has raised $10.80B.
D-Wave and IonQ operate in overlapping markets and are frequently compared. Track both companies on Bounce Watch to monitor their growth signals in real time.

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Compiled from the BounceWatch company index. We last looked at D-Wave on 11 Jun 2025, and IonQ on 16 Apr 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.

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