| # | Company | Location | Employees | Total Funding | Last Round | Last Funded |
|---|---|---|---|---|---|---|
| 1 |
D-Wave Quantum
D-Wave Systems designs and manufactures quantum computing and superconducting el…
|
Palo Alto | — | $1.1B | Post Ipo Equity | 2025-11-19 |
| 2 |
Rigetti Computing
Rigetti Computing is a quantum computing company that builds and deploys full-st…
|
Berkeley | 101 - 250 | $783.5M | Post Ipo Equity | 2025-06-11 |
| 3 |
Photonic
Photonic is a quantum technology company that builds scalable quantum computing …
|
Vancouver | 101 - 250 | $247.5M | Series Unknown | 2026-01-06 |
| 4 |
Quantinuum
Quantinuum is a IT firm that accelerates quantum computing and the development o…
|
Broomfield | 501 - 1K | $2.8B | Series Unknown | 2025-11-13 |
| 5 |
SandboxAQ
SandboxAQ develops AI and quantum technology solutions that enhance biopharma, c…
|
Palo Alto | 101 - 250 | $975.0M | Series E | 2025-04-04 |
| 6 |
Project Eleven
Project Eleven is a development company dedicated to advancing post-quantum cryp…
|
New York | 1 - 10 | $26.0M | Series A | 2026-01-14 |
| 7 |
Quantum Circuits
Quantum Circuits is delivering a full-stack quantum computer based on the innova…
|
New Haven | 51 - 100 | $78.0M | Series B | 2024-05-01 |
| 8 |
Infleqtion
Infleqtion is a quantum information company that develops software-configured an…
|
Louisville | 101 - 250 | $307.8M | Grant | 2026-03-11 |
| 9 |
Quantum Computing
Quantum Computing is developing processes to commercialize quantum computing har…
|
Hoboken | 11 - 50 | $1.7B | Post Ipo Equity | 2025-10-05 |
| 10 |
Lyte AI
Lyte AI offers a low-code fintech platform that enables companies to build, laun…
|
Mountain View | 101 - 250 | $107.0M | Series Unknown | 2026-01-05 |
| 11 |
BTQ
BTQ builds post-quantum infrastructure to enable the next generation of energy-e…
|
Vancouver | 11 - 50 | $36.7M | Post Ipo Equity | 2025-06-08 |
| 12 |
Xanadu
Xanadu provides hardware, software, applications, and simulators for quantum com…
|
Toronto | 251 - 500 | $546.1M | Post Ipo Equity | 2026-03-27 |
| 13 |
SeeQC
SeeQC is a semiconductor company that develops quantum computing systems and off…
|
Elmsford | 11 - 50 | $87.9M | Series Unknown | 2026-01-21 |
| 14 |
IQM Quantum Computers
IQM Quantum Computers builds superconducting full-stack quantum computer systems…
|
Espoo | 251 - 500 | $626.6M | Debt Financing | 2026-03-30 |
| 15 |
equal1
equal1 is a hardware development laboratories company.
|
San Carlos | 11 - 50 | $73.2M | Series Unknown | 2026-01-15 |
| 16 |
Nu Quantum
Nu Quantum focuses on developing quantum networking hardware and software to sca…
|
Cambridge | 101 - 250 | $74.3M | Series A | 2025-12-10 |
| 17 |
QuEra Computing
QuEra Computing is a provider of quantum computers that utilize neutral atom tec…
|
Boston | 101 - 250 | $247.0M | Series B | 2025-02-11 |
| 18 |
IonQ
IONQ offers enterprise-grade quantum systems designed for businesses seeking to …
|
College Park | 251 - 500 | $3.8B | Grant | 2026-04-08 |
| 19 |
Multiverse Computing
Multiverse Computing is a quantum software company that applies advanced solutio…
|
Donostia-san Sebastián | 101 - 250 | $345.3M | Series B | 2025-06-12 |
| 20 |
PsiQuantum
PsiQuantum focuses on developing a scalable quantum computer using photonic qubi…
|
Palo Alto | 501 - 1K | $2.3B | Series Unknown | 2026-01-21 |
| 21 |
Alice & Bob
Alice&Bob build Universal, Error-free, Quantum Computers to help industries and …
|
Paris | 101 - 250 | $166.4M | Grant | 2026-03-31 |
| 22 |
Zapata Quantum
Zapata Quantum is a quantum software company that offers computing solutions for…
|
Boston | 11 - 50 | $86.3M | Post Ipo Equity | 2025-11-18 |
| 23 |
EeroQ
EeroQ designs quantum-computing hardware using a novel approach based on single …
|
New York | 11 - 50 | $7.2M | Corporate Round | 2025-12-04 |
| 24 |
Horizon Quantum
Horizon Quantum Computing builds software development tools to code, compile and…
|
Singapore | 11 - 50 | $131.3M | Post Ipo Equity | 2026-03-19 |
| 25 |
Classiq Technologies
Classiq Technologies develops automation and synthesis of quantum algorithms.
|
Tel Aviv | 101 - 250 | $171.8M | Series Unknown | 2025-11-13 |
| 26 |
Q-CTRL
Q-CTRL is using AI-powered quantum infrastructure software to accelerate pathway…
|
Chippendale | 101 - 250 | $133.0M | Series B | 2024-10-08 |
| 27 |
Qunnect
Qunnect is a spin-off venture company enabling the quantum internet for quantum …
|
New York | 11 - 50 | $22.5M | Series A | 2025-06-24 |
| 28 |
Qilimanjaro Quantum Tech
Qilimanjaro builds analog quantum computers and hybrid data centers to fast-trac…
|
Barcelona | 51 - 100 | $17.9M | Series Unknown | 2025-11-07 |
| 29 |
Oxford Ionics
Oxford Ionics is a quantum computing startup that provides innovations for the d…
|
Oxford | 51 - 100 | $48.7M | Series Unknown | 2023-08-25 |
| 30 |
Quantum Art
Quantum Art is a developer of full-stack quantum computing system technology.
|
Ness Ziona | 11 - 50 | $124.0M | Series A | 2025-12-10 |
| 31 |
Anyon Systems
Anyon System develops superconducting quantum computers focused on hybrid HPC-Qu…
|
Dorval | 11 - 50 | $17.1M | Grant | 2025-12-15 |
| 32 |
BQP
BQP is enabling real-time Digital Twin with quantum algorithms for mission-criti…
|
Syracuse | 11 - 50 | $9.6M | Seed | 2025-07-17 |
| 33 |
Q.ANT
Q.ANT develops and manufactures quantum sensors, photonic chips, and processors …
|
Stuttgart | 101 - 250 | $72.0M | Series A | 2025-07-17 |
| 34 |
Quantum Brilliance
Quantum Brilliance develops quantum computers that operate at room temperature u…
|
Canberra | 101 - 250 | $79.4M | Series A | 2025-01-15 |
| 35 |
Phasecraft
Phasecraft develops quantum algorithms and related intellectual property for sci…
|
London | 11 - 50 | $56.5M | Series B | 2025-09-02 |
| 36 |
Nullspace Inc.
Nullspace, Inc develops modern computer-aided engineering software for RF applic…
|
Irvine | 1 - 10 | $3.4M | Seed | 2025-08-18 |
| 37 |
OpenLight
OpenLight is a manufacturing company that specializes in custom photonic applica…
|
Goleta | 11 - 50 | $37.5M | Series A | 2025-08-26 |
| 38 |
Nord Quantique
Nord Quantique creates quantum processors based on second-generation technology,…
|
Sherbrooke | 11 - 50 | $25.5M | Grant | 2025-12-15 |
| 39 |
Quantum Machines
Quantum Machines is a leading provider of quantum control solutions, powering qu…
|
Claymont | 101 - 250 | $263.0M | Series C | 2025-02-25 |
| 40 |
Terra Quantum
Terra Quantum is a full-stack quantum technology company providing Quantum as a …
|
Sankt Gallen | 51 - 100 | $90.8M | Private Equity | 2023-02-09 |
| 41 |
Quantum Motion
Quantum Motion is building a universal quantum computer in Silicon, using CMOS c…
|
London | 11 - 50 | $60.3M | Series B | 2023-02-20 |
| 42 |
Quantum Xchange
Quantum Xchange's products and services enable organizations to be quantum-safe …
|
Bethesda | 1 - 10 | $23.5M | Series A | 2021-01-07 |
| 43 |
PQShield
PQShield is a post-quantum cryptography company that develops cryptographic algo…
|
Oxford | 101 - 250 | $63.9M | Non Equity Assistance | 2026-03-19 |
| 44 |
Strangeworks
Strangeworks makes the power of quantum computing accessible to everyone all in …
|
Austin | 11 - 50 | $28.0M | Series A | 2023-03-21 |
| 45 |
SpinQ Technology
SpinQ Technology is an IT consulting company that offers quantum computing hardw…
|
Shenzhen | 51 - 100 | $17.8M | Series C | 2026-04-03 |
| 46 |
Delft Circuits
Delft Circuits is a manufacturer of quantum hardware. With Cri/oFlex®, they intr…
|
Delft | 11 - 50 | $16.1M | Series Unknown | 2025-12-03 |
| 47 |
Quobly
Quobly create and market a universal large-scale quantum computer, using tried-a…
|
Grenoble | 51 - 100 | $44.9M | Series A | 2025-05-22 |
| 48 |
Quside
Quside designs and manufactures innovative quantum technologies for all connecte…
|
Castelldefels | 11 - 50 | $11.0M | Non Equity Assistance | 2024-03-28 |
| 49 |
ORCA Computing
ORCA Computing is building the first scalable and flexible quantum computer powe…
|
London | 51 - 100 | $18.7M | Series A | 2022-06-09 |
| 50 |
Sygaldry Technologies
Sygaldry Technologies is a tech company building quantum-accelerated AI servers …
|
Mountain View | 1 - 10 | $33.0M | Seed | 2025-06-15 |