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Founded Year



Grant - II | Alive

Total Raised




Last Raised

$10.8M | 9 mos ago

About PsiQuantum

PsiQuantum specializes in general-purpose silicon photonic quantum computing. Its quantum computer is intended to drive advances in climate, healthcare, finance, energy, agriculture, transportation, and communications. It was founded in 2016 and is based in Palo Alto, California.

Headquarters Location

700 Hansen Way

Palo Alto, California, 94304,

United States



ESPs containing PsiQuantum

The ESP matrix leverages data and analyst insight to identify and rank leading companies in a given technology landscape.

Enterprise Tech / Semiconductors & HPC

The quantum computer makers — photonics market refers to the segment of the quantum computing industry that focuses on the development and production of quantum computers based on photonic technologies. Photonics involves the use of photons, or particles of light, for various applications, including quantum information processing. Companies in this market specialize in the design and fabrication o…

PsiQuantum named as Challenger among 9 other companies, including Xanadu, Infleqtion, and Nu Quantum.


Expert Collections containing PsiQuantum

Expert Collections are analyst-curated lists that highlight the companies you need to know in the most important technology spaces.

PsiQuantum is included in 3 Expert Collections, including Quantum Tech.


Quantum Tech

560 items

This Expert Collection contains private and recently exited companies working on quantum computing, quantum communication, post-quantum cryptography, quantum sensors, and other quantum tech.


Unicorns- Billion Dollar Startups

1,228 items


Semiconductors, Chips, and Advanced Electronics

6,543 items

Companies in the semiconductors & HPC space, including integrated device manufacturers (IDMs), fabless firms, semiconductor production equipment manufacturers, electronic design automation (EDA), advanced semiconductor material companies, and more

PsiQuantum Patents

PsiQuantum has filed 163 patents.

The 3 most popular patent topics include:

  • quantum information science
  • superconductivity
  • quantum mechanics
patents chart

Application Date

Grant Date


Related Topics




Superconductivity, Superconductors, Electrical resistance and conductance, Electromagnetism, Correlated electrons


Application Date


Grant Date



Related Topics

Superconductivity, Superconductors, Electrical resistance and conductance, Electromagnetism, Correlated electrons



Latest PsiQuantum News

PsiQuantum Announces New Government Advisory Board with Decades of Combined Public Service Across the White House, Departments of Defense and Commerce, Intelligence Community, and the U.S. Congress

Nov 30, 2023

PALO ALTO, Calif.--(BUSINESS WIRE)--PsiQuantum today announced the creation of the company’s inaugural Government Advisory Board (GAB), which brings together a diverse group of leaders with decades of public service in the White House, the Departments of Defense and Commerce, the Intelligence Community, and the U.S. Congress. Although currently focused on priorities pertaining to U.S. Government, PsiQuantum plans to expand the Government Advisory Board to include leaders from other allied natio

PsiQuantum Frequently Asked Questions (FAQ)

  • When was PsiQuantum founded?

    PsiQuantum was founded in 2016.

  • Where is PsiQuantum's headquarters?

    PsiQuantum's headquarters is located at 700 Hansen Way, Palo Alto.

  • What is PsiQuantum's latest funding round?

    PsiQuantum's latest funding round is Grant - II.

  • How much did PsiQuantum raise?

    PsiQuantum raised a total of $739.3M.

  • Who are the investors of PsiQuantum?

    Investors of PsiQuantum include UK Department for Science, Innovation and Technology, Defense Advanced Research Projects Agency, M12, Temasek, BlackRock and 10 more.

  • Who are PsiQuantum's competitors?

    Competitors of PsiQuantum include Photonic, Infleqtion, Silicon Quantum Computing, Quantum Motion, Quantum Source and 7 more.


Compare PsiQuantum to Competitors

SeeQC Logo

SeeQC is a digital quantum computing platform for global businesses. It combines classical and quantum technologies to address the efficiency, stability, and cost issues endemic to quantum computing systems. It provides solutions for financial technology companies, logistics companies, pharmaceutical companies, and more. SeeQC was founded in 2019 and is based in Elmsford, New York.

Xanadu Logo

Xanadu operates a quantum photonic platform. Its platform uses artificial intelligence to integrate quantum silicon photonic chips into existing hardware to build a full-stack quantum computer. It enables clients to receive a quantum technology-based computing facility using a photonic cluster state technology and easily solve business problems. It was founded in 2016 and is based in Toronto, Canada.


QuantWare develops superconducting quantum processor chips. It provides its products to organizations wishing to build up their own quantum computers using components obtained from different sources. The company was founded in 2020 and is based in Delft, Netherlands.

IQM Logo

IQM focuses on developing superconducting hardware systems. Its superconducting quantum circuits and quantum computing specializes in the development of high-speed quantum computers with application-specific processors using superconducting qubits and delivers on-premises quantum computers for research laboratories and supercomputing centers and provides complete access to its hardware. The company was founded in 2018 and is based in Espoo, Finland.

Universal Quantum Logo
Universal Quantum

Universal Quantum is a technology company focused on quantum computing. The company's main offering is the development of a million-qubit quantum computer, utilizing fully integrated electronic trapped ion quantum computing modules and a unique connection technology known as UQ Connect. The company primarily serves the technology and computing industries. It was founded in 2018 and is based in Brighton, England.

Oxford Quantum Circuits Logo
Oxford Quantum Circuits

Oxford Quantum Circuits focuses on the development and commercialization of quantum computers, operating within the technology and computing industry. The company's main offerings include the construction of quantum computers and the provision of Quantum Computing as-a-Service (QCaaS), which allows enterprises to access and utilize quantum computing technology. The primary customer base of Oxford Quantum Circuits is the enterprise sector. It was founded in 2017 and is based in Reading, United Kingdom.


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