21 Best Quantum Computing Startups to Watch in 2023

21 Quantum Computing Startups to Watch (and Work for) in 2023

Quantum Computing's tech sector is booming. This year’s list of the best 21 Quantum Computing tech startups is an eclectic mix of hyper-growth scaleups, small creative startups and everything in between.

Curated by @gonsanchezs

Quantum Computing 10+ employees Fast-growing

The last update was made on March 15, 2023.


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Orca Computing

ORCA Computing is building the first scalable and flexible quantum computer powered by photonics.

London   51 to 100   $15 Million   $3.7 Million  

Octopus Ventures   Verve Ventures   Oxford Science Enterprises   Quantonation  

B2B   SAAS  

Aqemia

Drug discovery - Pharma 3.0

Paris   11 to 50   $31 Million   $1.1 Million  

Elaia   Eurazeo  

B2B  

Phasecraft

Phasecraft is a quantum computing software developer.

London   11 to 50   $11 Million   $990 Thousand  

Local Globe   Episode 1   Parkwalk Advisors  

B2B   SAAS  

Pasqal

PASQAL provides quantum processors for use in complex computing challenges.

Paris   11 to 50   $30 Million  

Daphni   Quantonation   Runa Capital   TPY Capital  

B2B  

planqc

creating quantum computers atom by atom

Munich   11 to 50   $0   $4.9 Million  

Speedinvest   UVC Partners  

B2B  

Zero Point Motion

Zero Point Motion uses optical sensing techniques called 'cavity optomechanics’ for chip sensors to improve navigation and stabilization.

London   11 to 50   $3.4 Million   $3.4 Million  

Verve Ventures  

B2B  

Terra Quantum

Terra Quantum is a full-stack quantum technology company providing Quantum as a Service in the areas of algorithms, computing and security

Saint Gallen   101 to 250   $90 Million   $11 Million  

Lakestar  

B2B   SAAS  

Cambridge Quantum Computing

CQCL develops tools for the commercialisation of quantum computers by understanding quantum protocols and also quantum algorithms.

Cambridge   101 to 250   $73 Million   $45 Million  

B2B  

Kiutra

Easy-to-use and scalable cooling for Science and Technology

Munich   11 to 50   $0  

High-Tech Gründerfonds   Verve Ventures   Apex Ventures  

B2B  

KETS Quantum Security

KETS Quantum Security is developing a range of future-proof, cost-effective technologies for quantum-secured communications.

Bristol   11 to 50   $11 Million   $4.4 Million  

Speedinvest   Quantonation  

B2B  

Atlantic Quantum

Atlantic Quantum develops scalable quantum computers to tackle the world’s hardest computational challenges.

Cambridge   1 to 10   $9 Million   $9 Million  

B2B  

Seeqc

SeeQC is a semiconductor company developing commercially viable application-specific quantum computing systems for global businesses.

  1 to 10   $38 Million   $6.8 Million  

BlueYard Capital  

B2B  

Quantastica

Software tools and solutions for quantum computing

Helsinki   1 to 10   $220 Thousand   $220 Thousand  

Icebreaker  

B2B   SAAS  

QuantWare

QuantWare designs, develops and fabricates superconducting quantum hardware to accelerate the advent of the quantum computer.

Delft   1 to 10   $9.4 Million   $1.4 Million  

FORWARD.one  

B2B  

Kido Dynamics

Kido Dynamics uses machine learning and quantum physics techniques to analyse and predict human mobility.

Lausanne   11 to 50   $6.2 Million   $930 Thousand  

Boundary Holding   Spicehaus Partners  

B2B   SAAS  

Algorithmiq

Algorithmiq develops algorithms to solve currently inaccessible problems in life sciences.

Turku   1 to 10   $4 Million   $4 Million  

B2B   SAAS  

Delft Circuits

Delft Circuits is a manufacturer of quantum hardware. With Cri/oFlex®, they introduce a massively scalable i/o solution for quantum.

Delft   11 to 50   $0  

High-Tech Gründerfonds  

B2B  

Synergy Quantum

Synergy Quantum provides post-quantum encrypted future-proof closed communication network to major industries.

Geneva     $0  

B2B  

Quantum Flytrap

We develop no-code IDE for quantum computers - to design, debug, unit-test and deploy quantum algorithms for business.

Warsaw   1 to 10   $260 Thousand   $260 Thousand  

B2B  

Quantagonia

Quantagonia's Hybrid Quantum Platform provides users with an easy on-ramp to, and first-mover advantages from, quantum and hybrid computing.

Frankfurt   11 to 50   $0  

Voima Ventures  

B2B   SAAS  

Quanscient

Simulation-as-a-Service platform helping to get your product to the market faster.

Tampere   1 to 10   $0  

First Fellow Partners  

B2B   SAAS  

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