Alternatives to Rhonexum

Developing miniaturized, high-performance cryogenic hardware components to enable scalable, next-generation quantum computing systems.

Sparrow Quantum develops and commercializes photonic quantum chip technology, delivering single photons on demand for quantum computing and communication.

Developing scalable germanium spin-qubit processors for quantum computing.

Quantum chip performance testing solutions.

Developing error-resilient superconducting quantum processors with intrinsic hardware-level error correction.

Improving precision and quality in the production of superconducting quantum chips.

Quantum processor company developing and scaling modular quantum processors.

Qblox provides modular hardware and software solutions for scalable quantum computer control.

Trapped-ion quantum computing technology for industrial scaling.

Building and deploying quantum computers.

Developing neutral-atom quantum hardware and fault-tolerant architectures to accelerate quantum computing.

Quantum computing company developing superconducting quantum chips.

Silicon transistor-based quantum computing.

Developing quantum computing hardware.

Swiss quantum computing startup building scalable 2D trapped-ion quantum computers

Diamond cooling solutions for AI data center efficiency and high-performance satellite communications.

A venture capital firm focused on deeptech innovation.

Developing advanced silicon-based quantum computing hardware for scalable and manufacturable quantum processors.

Developing fault-tolerant quantum computers.

AetherFlux is developing a novel quantum computing architecture for complex simulations.

Pasqal develops quantum computing solutions for complex scientific and industrial problems.

Designs and manufactures advanced cryogenic I/O infrastructure for quantum computers.

Designs, manufactures, and deploys superconducting quantum computers and processors.

Building field-deployable hardware for scalable quantum networks and provably secure communications.

Designs advanced quantum computing architectures using LDPC codes for fault-tolerant systems.

Developing scalable quantum computers using carbon nanotubes for improved qubit quality and connectivity.

Xanadu is a Canadian quantum computing company building photonic quantum computers and developing quantum software.

Building the world's most powerful quantum computers.

Velaura AI develops ultra-low power silicon and software technologies for AI infrastructure, focusing on energy efficiency for data centers and physical AI applications.

Develops miniaturized, high-performance cryogenic hardware components for scalable quantum computers.

Q-Factor is a quantum computing startup developing a neutral atom-based quantum computer architecture designed to scale to one million qubits and beyond.

Software infrastructure that unifies classical CPUs/GPUs with quantum processors for distributed hybrid quantum-classical computing.

Quantum communication technology for secure and high-speed data transmission.

Quantum networking solutions startup

Developing advanced quantum sensing solutions for semiconductor inspection.

Developing cryogenic electronics solutions for quantum technologies.

Developing compact, cost-effective, high-power laser sources at precise wavelengths for quantum computing, atomic clocks, and other advanced technologies.

Developing the world's first quantum energy chip.

Semiconductor startup specializing in Atomic Layer Etching (ALE) technology.

Nvidia challenger AI chip startup

Developing ultra-low power non-volatile memory technologies for AI, data centers, and edge computing.

Building a fault-tolerant quantum computer using photonics and silicon manufacturing.

Builds the Quantum Orchestration Platform (QOP) to accelerate quantum computing development and deployment.

Facilitating Ukrainian tech startups' expansion into the UK market and connecting them with investors.

Quantum computing company focused on building fault-tolerant quantum computers and quantum software.

Pioneering quantum computing company offering annealing and gate-model systems, software, and cloud services.

Global energy technology company providing microinverter-based solar-plus-storage systems and intelligent energy management solutions.

Building high-efficiency quantum storage for next-generation quantum computing systems.

Developing practical photonic quantum computers using a novel photon-atom gate architecture.

Global technology company renowned for its GPUs, SoCs, and APIs, driving advancements in AI, gaming, and high-performance computing.

Pioneering a new computing architecture for AI using superconducting optoelectronics.

Overtone Photonics is a UK research and development company building compact, environmentally robust laser frequency references for quantum sensing.

Commercial quantum computing systems for complex problem-solving.

Quantum computing software platform for designing and optimizing quantum circuits.

Designs and builds quantum computers for research and industry applications.