At Best Startup California we track over 300,000 Californian startups and over 1,500,000 people who hold key positions in these companies. We use this directory of startups to highlight top employees, founders and organisations we think deserve more appreciation than they are currently getting.
We’ve ranked the top 23 Quantum Computing companies in California, United States. The companies, startups and institutions listed in this article are all exceptional companies, well worth a follow. We have included links to their websites, socials and CrunchBase (if you’re interested in their financials).
We selected the organisations listed in this article based on:
- Track record
- Executive leadership
- Market share
- Innovation
- ESG rating
Our Data – We source our data from OSINT (open source intelligence) and public directories such as Crunchbase, SemRush and many more. The data from these sources should be treated with a degree of caution and verified yourself.
Top Quantum Computing Companies & Startups (California, United States)
Rigetti Computing
Rigetti Computing is a full-stack quantum computing company that designs and manufactures integrated circuits.
Founder(s): Alissa M. Fitzgerald, Chad Rigetti
Location: Berkeley, California, United States
Industries: Artificial Intelligence, Big Data, Hardware, Quantum Computing, Software
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QuSecure
QuSecure is bringing vital quantum security and communication products that secure enterprise and government in the quantum computing era.
Founder(s): Dave Krauthamer, Konstantin Vilk, Rebecca Krauthamer, Skip Sanzeri, Skip Sanzeri
Location: Menlo Park, California, United States
Industries: Communications Infrastructure, Cyber Security, Enterprise Applications, Quantum Computing
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Quantum Biosystems
Application of quantum mechanics to the development of innovative single-molecule DNA sequencers
Founder(s): Masateru Taniguchi, Toshihiko Honkura
Location: Menlo Park, California, United States
Industries: Biotechnology, Health Care, Medical Device, Quantum Computing
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Menten AI
Menten AI develops peptide and protein therapeutics using machine learning and quantum computing.
Founder(s): Hans Melo, Tamas Gorbe, Vikram K. Mulligan
Location: Palo Alto, California, United States
Industries: Artificial Intelligence, Biotechnology, Chemical, Health Care, Life Science, Machine Learning, Pharmaceutical, Quantum Computing, Therapeutics
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InVisage Technologies
InVisage Technologies is a semiconductor manufacturing company offering quantum dot-based image sensors.
Founder(s): Everett S. McGinley, Ted Sargent
Location: Menlo Park, California, United States
Industries: Manufacturing, Quantum Computing, Semiconductor, Sensor
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Bleximo
Bleximo is aimed at building quantum accelerators to revolutionize the way complex business problems are solved.
Founder(s): Alexei Marchenkov, Richard Maydra
Location: Berkeley, California, United States
Industries: Computer, Hardware, Quantum Computing, Simulation
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ApexQubit
ApexQubit is a biotechnology company that is harnessing frontier technologies for discovery of new medicines and better health for humanity.
Founder(s): Denis Farnosov, Nihil Khaine
Location: Berkeley, California, United States
Industries: B2B, Biotechnology, Health Care, Information Technology, Life Science, Pharmaceutical, Quantum Computing, Therapeutics
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Qubitekk
Qubitekk offers an optic-based cybersecurity solution enabling communication between electric grid automation equipment.
Founder(s): Duncan Earl
Location: Vista, California, United States
Industries: Cyber Security, Quantum Computing, Security
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Quantum Thought
Quantum Thought is the world’s leading venture studio for commercializing quantum computing intellectual property, products, and companies.
Founder(s): Dave Krauthamer, Konstantin Vilk, Rebecca Krauthamer, Skip Sanzeri, Skip Sanzeri
Location: San Francisco, California, United States
Industries: Pharmaceutical, Quantum Computing
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QC Ware
Bringing quantum computing power to the enterprise.
Founder(s): Matt Johnson
Location: Palo Alto, California, United States
Industries: Quantum Computing, Software
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TinyPCB
Designs and Solutions for advanced packaging.
Founder(s): Edward Podubni, Silvia Podubni
Location: San Jose, California, United States
Industries: Advanced Materials, Aerospace, Automotive, Autonomous Vehicles, Consumer Electronics, Data Storage, Hardware, Quantum Computing, Semiconductor
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Global Telecom
Global Telecom engineers hardware, software and AI solutions that enable a reliable and secure Internet of Things (IoT).
Founder(s): Ahmad Malkawi
Location: Irvine, California, United States
Industries: Artificial Intelligence, Hardware, Internet of Things, Mobile, Mobile Devices, Quantum Computing, Software, Telecommunications, Wireless
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Qulab
Qulab automates molecular drug design by leveraging on the power of artificial intelligence and quantum computers.
Founder(s): Alireza Shabani
Location: Los Angeles, California, United States
Industries: Artificial Intelligence, Chemical, Cloud Computing, Machine Learning, Pharmaceutical, Quantum Computing
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Vector Atomic
Vector Atomic offers quantum technology for applications that include GPS-free navigation, telecommunications, and computing.
Founder(s): Jamil Abo-Shaeer, Martin Boyd, Matthew Cashen
Location: Pleasanton, California, United States
Industries: GPS, Mechanical Design, Quantum Computing
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Automatski
Intellectual Property & Equity Holding Company
Founder(s): Aditya Yadav, Renu Yadav
Location: Los Angeles, California, United States
Industries: Quantum Computing, Robotics, Space Travel
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WOA
A cognitive computing Quantum Ai Trading System – fusing Machine Learning with Quantum Computing based in Silicon Valley and London
Founder(s):
Location: Palo Alto, California, United States
Industries: Artificial Intelligence, FinTech, Machine Learning, Quantum Computing, Software
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Bearhug Recruiting
We help early & growth stage startups hire the right senior talent that can help them more easily cross the chasm from $1M to $20M+ in ARR.
Founder(s): Kraig Ward, Kris Ward
Location: San Rafael, California, United States
Industries: Computer Vision, Information Technology, Internet, Management Consulting, Nanotechnology, Quantum Computing, Renewable Energy, Robotics, SaaS, Software
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QuDot
QuDot is a developer of a virtual quantum computing machine.
Founder(s):
Location: Fremont, California, United States
Industries: Computer, Information Technology, Quantum Computing
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Automatski Fundamental Research
Fundamental Research, 100+ Millennium Inventions
Founder(s): Aditya Yadav, Renu Yadav
Location: Los Angeles, California, United States
Industries: Artificial Intelligence, Education, Environmental Engineering, Peer to Peer, Pharmaceutical, Quantum Computing, Robotics, Space Travel
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PsiQuantum
PsiQuantum is building a large-scale, general-purpose silicon photonic quantum computer with at least 1 million physical qubits.
Founder(s): Jeremy O’Brien, Mark Thompson, Peter Shadbolt, Terry Rudolph
Location: Palo Alto, California, United States
Industries: Computer, Hardware, Quantum Computing
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Kilmann Diagnostics
Kilmann Diagnostics provides online courses and assessment tools for conflict management, expanding consciousness & quantum transformation.
Founder(s):
Location: Newport Coast, California, United States
Industries: Education, Quantum Computing, Training
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Aqintel
Aqintel is a computer software company that develops to use quantum-mechanism.
Founder(s):
Location: Berkeley, California, United States
Industries: Computer, Quantum Computing, Software
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Rigetti Computing
Rigetti Computing is a full-stack quantum computing company that designs and manufactures integrated circuits.
Founder(s): Alissa M. Fitzgerald, Chad Rigetti
Location: Berkeley, California, United States
Industries: Artificial Intelligence, Big Data, Hardware, Quantum Computing, Software
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