Delft Circuits

Delft Circuits is a Dutch quantum technology company founded in 2017 as a QuTech spinout that specializes in manufacturing high-performance cryogenic quantum cables and interconnects essential for quantum computing systems, providing low-noise, high-fidelity signal transmission solutions that enable precise control and readout of qubits in dilution refrigerators, serving quantum computing companies worldwide with critical infrastructure components that maintain signal integrity at millikelvin temperatures required for superconducting quantum processors.

Leiden Cryogenics

Leiden Cryogenics is a Dutch company founded in 1984 specializing in advanced cryogenic systems essential for quantum computing and quantum sensing applications, providing dilution refrigerators, cryostats, and ultra-low temperature systems required for superconducting quantum computers and quantum devices. The company supplies cryogenic infrastructure to quantum computing companies, research institutions, and national laboratories worldwide, enabling quantum systems to operate at the millikelvin temperatures necessary for quantum coherence and quantum computing operations. Leiden Cryogenics develops customized cryogenic solutions for quantum technology applications including quantum computers, quantum sensors, and fundamental physics research, with systems capable of reaching temperatures below 10 millikelvin required for advanced quantum devices. The company’s cryogenic expertise is critical for the quantum technology ecosystem, providing the ultra-cold environments necessary for superconducting qubits, trapped ion systems, and quantum sensing applications.

Orange Quantum Systems

Orange Quantum Systems develops specialized quantum chip testing and characterization systems that enable quantum device manufacturers to validate and optimize their quantum processors through precise measurement and analysis capabilities, providing essential tools for quantum hardware development and quality control in the quantum computing supply chain.

Company Information

• Founded: 2020
• Country: Netherlands
• Website: https://orangeqs.com
• Categories: quantum control

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Q*bird

Qbird is a spin-off from Delft University of Technology that develops quantum-based hardware and software solutions providing ultra-secure data communications and protection for critical infrastructures. The company has successfully deployed multi-user, multipoint-to-multipoint Quantum Key Distribution (QKD) networks including operational installations in Utrecht connecting data centers, university buildings, and research facilities, and the world’s first quantum-safe industrial internet at the Port of Rotterdam. Qbird won the Dutch IT Channel Award 2025 in the Networking & Edge Innovator category and received €1 million in subsidies to advance QKD technology, with partnerships including Eurofiber to integrate quantum security into commercial networks and ambitious goals to operate 60 quantum networks across Europe, Asia, and North America by 2030.

Qblox

Qblox is a Dutch quantum control hardware company founded in 2019 as a QuTech spinoff by Niels Bultink and Jules van Oven, developing the next-generation ‘Cluster’ series of modular and scalable quantum control stacks that can control up to 20 qubits per device with ultra-low signal noise and low-latency feedback, enabling quantum computer developers to cascade multiple systems for controlling unprecedented numbers of qubits while maintaining hardware agnosticism across different qubit types, with €24.2 million in Series A funding and active collaborations within the Delft quantum ecosystem.

QphoX

QphoX develops quantum modems that enable quantum internet connectivity by converting quantum information between different physical platforms, creating the essential infrastructure components for quantum networks that connect quantum computers, quantum sensors, and quantum communication systems to build a global quantum internet for secure communications and distributed quantum computing.

Company Information

• Founded: 2020
• Country: Netherlands
• Website: https://qphox.eu
• Categories: quantum communications

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Qu&Co

Qu&Co was a Dutch quantum software company founded in 2017 that specialized in quantum computational chemistry and molecular simulation applications, developing quantum algorithms and software tools for drug discovery, materials science, and chemical modeling before being acquired and merged with Pasqal to enhance their neutral atom quantum computing platform with advanced quantum software capabilities, contributing their expertise in quantum chemistry algorithms to accelerate practical quantum applications in molecular simulation and materials research.

Quantum Delta NL

Quantum Delta NL is the Netherlands’ national quantum technology program established in 2020 as a public-private partnership that coordinates quantum research, development, and commercialization across the country, bringing together leading research institutions including QuTech, universities, and quantum technology companies to advance the Netherlands’ position as a global quantum technology hub, providing funding, infrastructure, and coordination for quantum computing, quantum internet, quantum sensing, and quantum software initiatives while fostering collaboration between academia and industry to accelerate quantum technology development and create a thriving Dutch quantum ecosystem.

QuantWare

QuantWare is a TU Delft/QuTech spinout founded in 2020 by Dr. Alessandro Bruno and MSc Matthijs Rijlaarsdam that became the world’s first company to commercially manufacture superconducting quantum processors for third parties, offering off-the-shelf QPUs like the 5-qubit Soprano and 25-qubit Contralto that enable customers to build full-stack quantum computers at one-tenth the cost of competing solutions, with foundry services and €13.5 million in funding to accelerate quantum processor development and lower barriers to entry in quantum computing.

QuiX Quantum

QuiX Quantum develops integrated photonic quantum processors using silicon photonics technology to create scalable quantum computing systems that operate at room temperature, focusing on photonic quantum circuits and quantum interferometry for applications in quantum simulation, optimization, and quantum machine learning.

Company Information

• Founded: 2019
• Country: Netherlands
• Website: https://quixquantum.com
• Categories: quantum processors

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QuTech

QuTech is a world-leading quantum research institute established as a collaboration between Delft University of Technology (TU Delft) and the Netherlands Organization for Applied Scientific Research (TNO). Founded in 2014, QuTech conducts cutting-edge research across the full quantum technology stack, from fundamental quantum physics to practical quantum applications. The institute has made groundbreaking contributions to quantum computing, quantum internet, and quantum sensing, including demonstrations of quantum teleportation, quantum error correction, and the development of silicon-based spin qubits. QuTech operates the Quantum Network Explorer, one of the world’s first quantum internet testbeds, and has spun out several successful quantum technology companies including Delft Circuits and QuantWare. The institute collaborates with major technology companies, government agencies, and academic institutions worldwide, serving as a crucial bridge between quantum research and commercial applications. QuTech’s multidisciplinary approach and strong industry partnerships position it as a key driver of quantum technology development in Europe and globally.

Rabobank Quantum

Rabobank investigates quantum computing applications for financial services including quantum algorithms for portfolio optimization, risk analysis, fraud detection, and quantum-safe cryptography for secure banking operations. The Dutch multinational bank explores quantum machine learning for financial modeling, derivatives pricing, and algorithmic trading systems that could provide computational advantages for complex financial calculations. Rabobank researches quantum technologies for enhancing cybersecurity measures, developing post-quantum cryptographic solutions, and preparing banking infrastructure for quantum-safe security implementations. The company collaborates with quantum technology providers and research institutions to advance practical quantum applications in banking and finance while contributing to the financial sector’s preparation for quantum computing adoption.

Shell

Shell investigates quantum computing applications for energy optimization and oil & gas operations, exploring quantum algorithms for reservoir simulation, molecular modeling for catalyst design, logistics optimization, and energy trading to improve efficiency and reduce environmental impact in energy production and distribution.

Company Information

• Founded: 2020
• Country: Netherlands
• Website: https://shell.com
• Categories: quantum software

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Single Quantum

Single Quantum specializes in superconducting nanowire single photon detectors (SNSPDs) that provide the highest performance photon detection capabilities essential for quantum communication, quantum computing, and quantum sensing applications, offering detection systems with near-perfect efficiency, low noise, and high timing resolution for researchers and companies building quantum technologies.

Company Information

• Founded: 2012
• Country: Netherlands
• Website: https://singlequantum.com
• Categories: quantum processors

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