All Industries

Top Quantum Computing Companies

88 Quantum Computing companies, sorted by total funding raised.

SiC Systems

SiC Systems delivers a quantum-native, agentic AI platform for industrial process optimization.

San Francisco, United States1–10Deep Tech, Defense Tech
Pre-seedTotal funding$2.2MOct 2025
FrostByte

Dutch quantum computing component startup developing cryogenic CMOS technology.

Delft, Netherlands1–10Quantum Computing, Deep Tech
SeedTotal funding$1.4MMay 2026
BEIT

Technology platform for compliant, cost-effective 3D printing of personalized medicines in pharma...

Krakow11–50Biotech, Drug Discovery
SeedTotal funding$1.4MOct 2019
EN
Entangled NetworksAcquired

Toronto-based quantum-networking startup enabling computing across multiple, including distribute...

Toronto, CanadaQuantum Computing
Equity CrowdfundingTotal funding$1.1MJan 2021
Rhonexum

Cryogenic quantum computing solutions

Lausanne, Switzerland1–10Quantum Computing
Pre-seedTotal funding$1.0MMar 2026
AuroraQClosed

Building the first practical, integrated quantum computer.

Waterloo, Canada1–10Industrials, Quantum Computing
SeedTotal funding$150KJan 2019
A Star Quantum

Practical quantum computer software company solving real-world industry problems

Tokyo, Japan11–50Quantum Computing
Funding undisclosed
Bloq Quantum

Portfolio company of Inflection Point Ventures

Kollam, IndiaQuantum Computing
Funding undisclosed
Fermioniq

Quantum software company developing cloud-based emulators and tools for quantum technology develo...

NetherlandsArtificial Intelligence, Quantum Computing
Funding undisclosed
IQC Canada

Not-for-profit providing commercial and market support for quantum computing research.

Waterloo, CanadaQuantum Computing
Funding undisclosed
Quranium

Infrastructure

51–200Crypto & Web3, Fintech
Funding undisclosed
TRANSLUME INC

R&D company with 9 SBIR/STTR awards from Department of Defense, Department of Energy.

Ann Arbor, United States1–10Hardware, Quantum Computing
Venture Round
Viqthor

Next-gen RF control system for quantum computers

1–10Deep Tech, Hardware
Funding undisclosed