Startup list · Europe
Quantum computing startups in Europe
Below are the top European quantum computing startups, ranked by total funding raised. Together the 50 companies on this list have raised a combined $6.5B. The strongest hubs are United Kingdom, Germany, France.
$6.5Bcombined funding · top 50
United Kingdomtop hub
50companies shown
10fast growing
Ranked by total funding · Updated 2026-06-26 · Source: Dealroom
| # | Company | Founded | HQ | Funding |
|---|---|---|---|---|
| 1 |
 Q
Quantinuum$25M+ revenue
Full-stack quantum solutions for high-fidelity computation
|
2021 | Cambridge, United Kingdom | $1.4B |
| 2 |
 M
Multiverse Computing
Multiverse Computing offers quantum computing software to businesses, through quantum machine learning and Monte Carlo techniques
|
2019 | San Sebastián, Spain | $875M |
| 3 |
 I
IQM$25M+ revenue
European leader in superconducting quantum computers
|
2018 | Espoo, Finland | $527M |
| 4 |
 P
Pasqal
Full-stack neutral atom quantum computing systems
|
2019 | Palaiseau, France | $512M |
| 5 |
 O
Oxford Quantum Circuits
Develops quantum computers using superconducting circuits, which uses a specific element that is not used in regular circuits
|
2017 | Reading, United Kingdom | $504M |
| 6 |
 Q
Quantum Motion
Scalable quantum computing processors using silicon CMOS technology
|
2017 | London, United Kingdom | $229M |
| 7 |
 Q
QuantwareFast growing
Scalable superconducting quantum processors for quantum computers.
|
2021 | Delft, Netherlands | $204M |
| 8 |
 Q
QuoblyFast growing
Universal Quantum Computing leveraging European Semiconductor Industry
|
2022 | Grenoble, France | $166M |
| 9 |
 A
Alice & BobFast growing
Alice & Bob invented self-correcting Schrödinger cat qubits. Using self-correction, they can develop the first fault-tolerant commercial quantum computers that can perform any quantum algorithm
|
2020 | Paris, France | $154M |
| 10 |
 R
Riverlane
Quantum error-correction stack enabling fault-tolerant quantum computers
|
2016 | Cambridge, United Kingdom | $131M |
| 11 |
 A
Aqemia
Using quantum-physics with AI to speed up the discovery of novel drug molecules
|
2019 | Paris, France | $125M |
| 12 |
 Q
QuantumDiamondsFast growing
Building chip inspection systems based on novel quantum sensing for next-gen metrology
|
2022 | Munich, Germany | $94M |
| 13 |
 E
Equal1
Develops and manufactures silicon-based, rack-mounted quantum computers designed for integration
|
2017 | Dublin, Ireland | $84M |
| 14 |
 E
eleQtronFast growing
Microwave-controlled, trapped-ion quantum computing.
|
2020 | Siegen, Germany | $82M |
| 15 |
 C
Cambridge Quantum Computing
A pioneer in the research and development of powerful quantum technology
|
2014 | London, United Kingdom | $82M |
| 16 |
 Q
Q.ant$25M+ revenue
Photonic processors enabling energy-efficient AI and high-performance computing
|
2018 | Stuttgart, Germany | $80M |
| 17 |
 N
Nu Quantum
Developing end-to-end quantum cryptography systems, securing communications within and between cities through urban and satellite free-space optical links
|
2018 | Cambridge, United Kingdom | $76M |
| 18 |
 T
Terra Quantum
Developed a new encryption protocol that can’t be broken by quantum computers
|
2018 | St. Gallen, Switzerland | $76M |
| 19 |
 Q
Quandela
A photonic quantum computing company providing hardware, middleware and software solutions
|
2017 | Massy, France | $76M |
| 20 |
 P
PlanQK
Platform and Ecosystem for Quantum Applications
|
2020 | Berlin, Germany | $67M |
| 21 |
 P
planqcFast growing
Company developing quantum computers
|
2022 | Garching bei München, Germany | $62M |
| 22 |
 P
Phasecraft
Quantum algorithms accelerating real-world computational applications
|
2018 | London, United Kingdom | $60M |
| 23 |
 O
Oxford Ionics
Delivering world-leading innovations to create the most powerful, accurate and reliable quantum computers
|
2019 | Kidlington, United Kingdom | $56M |
| 24 |
 E
EphosFast growing
Glass-based programmable photonic chips enabling ultra-low-loss performance for AI data centers and quantum computers.
|
2022 | Milan, Italy | $55M |
| 25 |
 C
C12Fast growing
Building reliable quantum computers using carbon nanotubes
|
2020 | Paris, France | $48M |
| 26 |
 A
Algorithmiq
Develops algorithms to solve currently inaccessible problems in life sciences
|
2020 | Helsinki, Finland | $41M |
| 27 |
 S
Sparrow Quantum
Sparrow Quantum: World Leaders in Quantum Photonic Chip Technology
|
2015 | Copenhagen, Denmark | $40M |
| 28 | N NVision Quantum Quantum-enhanced MRI for real-time metabolic imaging. | — | Ulm, Germany | $38M |
| 29 |
 K
Kvantify
Solving difficult computational challenges, delivering value to businesses and society. Harnessing the potential of both quantum and high-performance computers
|
2022 | Copenhagen, Denmark | $34M |
| 30 |
 X
XeedQ
R&D and Marketing Quantum Technologies and Products
|
2021 | Leipzig, Germany | $33M |
| 31 |
 Q
Qblox
Providing quantum control stacks that can be easily integrated with quantum computers, with unlevelled noise performance and low-latency arbitrary control flows
|
2018 | Delft, Netherlands | $31M |
| 32 |
 G
Groove Quantum
Harnessing the power of germanium to unlock the potential of quantum computation
|
2024 | Delft, Netherlands | $31M |
| 33 |
 Q
Qubit Pharmaceuticals
Quantum physics and AI-driven drug discovery platform
|
2020 | Paris, France | $26M |
| 34 |
 Q
QuiX Quantum
Photonic quantum processors for universal quantum computers.
|
2019 | Enschede, Netherlands | $25M |
| 35 |
 Q
Qutwo
Operating system for quantum and classical AI
|
2026 | Helsinki, Finland | $25M |
| 36 |
 Q
QuantrolOx
Pioneers Quantum EDGE software for qubit and quantum processor fine-tuning automation
|
2021 | Espoo, Finland | $24M |
| 37 |
 O
ORCA Computing
Developing quantum computers for real-world applications
|
2019 | London, United Kingdom | $23M |
| 38 |
 Q
Quanscient
Simulation-as-a-Service platform helping to get the product to the market faster
|
2021 | Tampere, Finland | $22M |
| 39 |
 S
SemiQonFast growing
Scalable silicon-based processors for quantum computers
|
2023 | Espoo, Finland | $21M |
| 40 |
 D
Delft Circuits
Delft Circuits provides quantum hardware. With Cri/oFlex®, we introduce a massively scalable i/o solution for quantum
|
2016 | Delft, Netherlands | $20M |
| 41 |
 K
Kiutra
Simplfied, fast and scalable cooling for quantum technologies and beyond
|
2018 | Munich, Germany | $19M |
| 42 |
 O
Orange Quantum SystemsFast growing
Offers quantum software, diagnosis, and system services
|
2020 | Delft, Netherlands | $17M |
| 43 |
 H
HQS Quantum Simulations
Quantum algorithms to predict molecular properties for performance materials, specialty chemicals and pharmaceutical companies
|
2017 | Karlsruhe, Germany | $17M |
| 44 |
 K
Kipu Quantum
Design quantum computer products that fulfill customer needs and solve real problems at different business scales
|
2021 | Karlsruhe, Germany | $15M |
| 45 |
 Q
QuSide
Quantum random number generators for cybersecurity and computation
|
2017 | Barcelona, Spain | $15M |
| 46 |
 Q
QphoX
Quantum transduction device for networked quantum computers.
|
2021 | Delft, Netherlands | $15M |
| 47 |
 K
KETS Quantum Security
Protecting mission critical data with the world's first on-chip quantum encryption technologies
|
2016 | Bristol, United Kingdom | $13M |
| 48 |
 Q
Qilimanjaro Quantum Tech
Qilimanjaro builds analog quantum computers and hybrid data centers to fast-track quantum advantage and unlock global access
|
2019 | Barcelona, Spain | $12M |
| 49 |
 U
Universal Quantum
Building quantum computers to tackle real-world problems
|
2018 | Brighton, United Kingdom | $12M |
| 50 |
 C
CryptoNext Security
Next generation of cryptographic standards that will make IT infrastructures resilient against quantum computers
|
2019 | Paris, France | $12M |
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