QDNL Participations

QDNL Participations is a venture capital firm based in Amsterdam, Netherlands, founded in 2023. The firm specializes in early-stage investments in quantum technology, focusing on companies that are developing or utilizing technologies based on entanglement and superposition. With a fund size of €15 million, QDNL Participations targets startups involved in various aspects of quantum technology, including hardware, sensors, and communications, as well as the classical supply chain components essential for these innovations. The firm is backed by Quantum Delta NL and is dedicated to fostering the commercial success of expert quantum talent.

Chad Rigetti Ph.D

Venture Partner

Ton van 't Noordende

General Partner

9 past transactions

QuantWare

Series A in 2025
QuantWare is a leading provider of quantum hardware, specializing in the development of scalable quantum processors. The company is known for its VIO QPU scaling technology, which supports the Quantum Open Architecture paradigm and facilitates the rapid advancement of quantum computing capabilities. With a focus on a 3D-dimensional chip architecture, QuantWare offers fully packaged quantum processing units (QPUs) and various Foundry and Packaging Services. This technology enables customers across 20 countries to build scalable quantum computers that can address complex real-world challenges in fields such as climate science and life sciences. By providing a robust platform for qubit design, QuantWare aims to unlock the potential for systems exceeding one million qubits, making significant strides in the quantum computing landscape.

QT Sense

Seed Round in 2025
QT Sense is a technology company that develops and manufactures quantum sensing tools. These tools are designed to advance biomedical research and treatment, with a particular focus on understanding and detecting oxidative stress-related diseases in real-time. The company's expertise lies in sensing technology, diamond magnetometry, confocal microscopy, and precision measurement, allowing research professionals to gain deeper insights into cellular processes.

QT Sense

Pre Seed Round in 2024
QT Sense is a technology company that develops and manufactures quantum sensing tools. These tools are designed to advance biomedical research and treatment, with a particular focus on understanding and detecting oxidative stress-related diseases in real-time. The company's expertise lies in sensing technology, diamond magnetometry, confocal microscopy, and precision measurement, allowing research professionals to gain deeper insights into cellular processes.

Q*BIRD

Seed Round in 2024
Q*Bird is a technology company focused on developing quantum networking solutions to support the current and future European quantum internet. It specializes in creating devices and infrastructure for quantum-secured data communications, including networking equipment that facilitates secure data transfer impervious to even the most advanced computing threats. The company’s product offerings include gadgets designed for the transmission of qubits and hubs that generate entanglement, enabling multipoint-to-multipoint connectivity. By providing innovative solutions such as quantum key distribution technology, Q*Bird aims to enhance security, promote cost-effective scaling, and improve the overall capabilities of digital infrastructure within the quantum networking space.

QphoX

Venture Round in 2024
QphoX specializes in developing quantum modem devices that facilitate connections between quantum computers over a network. Their technology focuses on creating a quantum transducer that couples microwave and optical photons through a mechanical intermediary resonator. This process converts information between microwave domain and optical telecom frequencies, enhancing the fidelity and reducing loss during the transmission of quantum states.

QuantaMap

Seed Round in 2023
QuantaMap is a company focused on advancing quantum technology through its innovative cryogenic scanning technology and quantum sensors. It specializes in quantum chip metrology, which is essential for quantum computing and various quantum hardware applications. By utilizing advanced cryogenic microscope technology, QuantaMap offers high-resolution imaging and defect identification capabilities. This expertise addresses significant challenges in chip development, thereby facilitating progress in the quantum industry and contributing to the broader quantum revolution.

Orange Quantum Systems

Pre Seed Round in 2023
Orange Quantum Systems specializes in quantum software and services, focusing on the development of customized full-stack quantum systems. The company offers test equipment for quantum computing, including characterization systems for transmon qubits, which are essential for the advancement of quantum devices. In addition to providing maintenance and training, Orange Quantum Systems delivers tailored solutions to support clients in building their quantum computing projects and transitioning to industry-grade device development.

QuantWare

Seed Round in 2023
QuantWare is a leading provider of quantum hardware, specializing in the development of scalable quantum processors. The company is known for its VIO QPU scaling technology, which supports the Quantum Open Architecture paradigm and facilitates the rapid advancement of quantum computing capabilities. With a focus on a 3D-dimensional chip architecture, QuantWare offers fully packaged quantum processing units (QPUs) and various Foundry and Packaging Services. This technology enables customers across 20 countries to build scalable quantum computers that can address complex real-world challenges in fields such as climate science and life sciences. By providing a robust platform for qubit design, QuantWare aims to unlock the potential for systems exceeding one million qubits, making significant strides in the quantum computing landscape.

Fermioniq

Pre Seed Round in 2022
Fermioniq is a quantum software company based in Amsterdam, Netherlands, specializing in the development of quantum computing algorithms and software. Operating in stealth mode, the company focuses on advancing the capabilities of quantum computing through innovative solutions. By harnessing the potential of quantum technology, Fermioniq aims to contribute to the evolution of various industries, enhancing computational processes and problem-solving approaches.
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