Companies in Quantum Computing
There are 1,030 companies in Quantum Computing which include IonQ, D-Wave, Infleqtion, PsiQuantum, Oxford Ionics. 349 companies in Quantum Computing are funded, with 143 having secured Series A funding. Till date, the sector has seen the creation of 6 Unicorns. United States has the most number of companies in Quantum Computing (262), followed by United Kingdom
(90), and then India (87).
On average, the last 10 years have seen 73 new companies launched every year. Most number of Quantum Computing startups have been founded by alumni from Stanford University, University of Oxford and University of Cambridge.
Here is a List of top companies in Quantum Computing
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1. IonQ
Provider of cloud and trapped ion technology-based universal quantum computers. It provides users with a company that offers quantum computer that traps individual ionized ytterbium atoms in a 3D space and uses lasers for computation purposes.
Key facts about IonQ
- Founded Year: 2015
- Location: College Park (United States)
- Stage: Public
- Total Funding till date: $86M
- Investors: Amazon Web Services, New Enterprise Associates and 23 Others
- Latest Funding Round: Series B, Jun 16, 2020, $*****
- Tracxn Score: 76/100 What is this?
- Competitors Rank: 1 of 25 Competitors
2. D-Wave
Developer and delivery of quantum computing systems, software, and services. It offers quantum computers a dual-platform quantum computing products and services, spanning both annealing and gate-model quantum computing technologies. It help customers realize the value of quantum today through enterprise-grade systems available on-premises and via its Leap quantum cloud service.
Key facts about D-Wave
- Founded Year: 1999
- Location: Palo Alto (United States)
- Stage: Public
- Total Funding till date: $256M
- Investors: PSP Investments, Goldman Sachs and 26 Others
- Latest Funding Round: Grant (prize money), Mar 11, 2021, $*****
- Tracxn Score: 72/100 What is this?
- Competitors Rank: 1 of 5 Competitors
3. Infleqtion
Provider of neutral-atom quantum technology, products and solutions. It provides users with a quantum information company that specializes in delivering high-value quantum information and developing quantum-enabled products. They are focused on driving the industry forward and building an ecosystem of quantum technologies. It is used for defense and national security, space, telecommunications, scientific research and enterprise computing.
Key facts about Infleqtion
- Founded Year: 2007
- Location: Louisville (United States)
- Stage: Public
- Total Funding till date: $311M
- Investors: Maverick Ventures, Foundry and 31 Others
- Latest Funding Round: Grant (prize money), Mar 11, 2026, $*****
- Tracxn Score: 72/100 What is this?
- Competitors Rank: 1 of 74 Competitors
4. PsiQuantum
Developer of photon-based universal quantum computers. It uses photonic technology to develop error-corrected general-purpose quantum computers. It has applications in drug discovery, personalized medicine, artificial intelligence, and materials sciences.
Key facts about PsiQuantum
- Founded Year: 2015
- Location: Palo Alto (United States)
- Stage: Series E
- Total Funding till date: $2.32B
- Investors: BlackRock, Queensland Government and 36 Others
- Latest Funding Round: Series E, Sep 10, 2025, $*****
- Tracxn Score: 72/100 What is this?
- Competitors Rank: 1 of 20 Competitors
Provider of quantum computers. It provides users with superconducting qubits as their physical support for Universal Quantum computers. It offers quantum computers by combining the qubits and trapped ions by using noiseless electronic qubit control technology.
Key facts about Oxford Ionics
- Founded Year: 2019
- Location: Oxford (United Kingdom)
- Stage: Acquired
- Total Funding till date: $48.4M
- Investors: Oxford Science Enterprises, British Business Bank and 9 Others
- Latest Funding Round: Series A, Aug 31, 2023, $*****
- Tracxn Score: 70/100 What is this?
- Competitors Rank: 1 of 18 Competitors
