# Quantum companies in Germany Compare quantum companies with an address in Germany. Confirm service areas and capabilities before you engage. 19 quantum companies. Also on the [web page](https://quantumcompanies.fyi/de). ## Quantum companies 1. [APE](https://quantumcompanies.fyi/de/berlin/berlin/ape.md), Quantum components, Berlin: Builds ultrafast laser diagnostics, light sources and wavelength-conversion instruments; products include an excitation source for quantum-dot single-photon… 2. [attocube](https://quantumcompanies.fyi/de/haar/haar/attocube.md), Quantum components, Haar: Manufactures closed-cycle cryostats, cryogenic microscopes, nanopositioners and interferometers; applications include single-photon sources and QC component… 3. [eleQtron](https://quantumcompanies.fyi/de/siegen/siegen/eleqtron.md), Quantum hardware, Siegen: Develops trapped-ion quantum computers using proprietary MAGIC (Magnetic Gradient Induced Coupling) microwave control; sold systems to the German Aerospace… 4. [HQS Quantum Simulations](https://quantumcompanies.fyi/de/karlsruhe/karlsruhe/hqs-quantum-simulations.md), Quantum software and algorithms, Karlsruhe: Develops quantum mechanics based software for spectroscopy, including NMR analysis software for spectrum interpretation, peak assignment, and structure… 5. [KEEQuant](https://quantumcompanies.fyi/de/furth/furth/keequant.md), Quantum networking and QKD, Fürth: KEEQuant develops integrated quantum key distribution (QKD) systems and key management systems (KMS) using integrated photonics for quantum-safe communication. 6. [Kipu Quantum](https://quantumcompanies.fyi/de/munich/munich/kipu-quantum.md), Quantum software and algorithms, Munich: Offers the Quantum Hub platform for building and running quantum applications on real hardware without quantum computing knowledge, with use cases in routing,… 7. [kiutra](https://quantumcompanies.fyi/de/munich/munich/kiutra.md), Quantum components, Munich: Provides helium-3-free cryostats and cryogenic services for quantum technologies, including the L-Type Rapid characterization system, scalable X-Type cooling… 8. [Menlo Systems](https://quantumcompanies.fyi/de/martinsried/martinsried/menlo-systems.md), Quantum components, Martinsried: Menlo Systems builds frequency combs, ultrastable lasers, and photonics solutions used in optical metrology, spectroscopy, time and frequency distribution,… 9. [NVision](https://quantumcompanies.fyi/de/ulm/ulm/nvision.md), Quantum hardware, Ulm: Develops quantum systems based on engineered molecular qubits: PIQC for quantum computing and POLARIS for quantum-enhanced MRI, applying quantum spin control. 10. [PicoQuant](https://quantumcompanies.fyi/de/berlin/berlin/picoquant.md), Quantum components, Berlin: Designs and manufactures photon counting and time-resolved instrumentation: time-tagging and TCSPC units for quantum sensing and photonic quantum computing,… 11. [planqc](https://quantumcompanies.fyi/de/garching/garching/planqc.md), Quantum hardware, Garching: Builds quantum computers using neutral atoms trapped in optical lattices; offers a full-stack quantum platform and the MAQCS multicore atomic quantum computing… 12. [Q.ANT](https://quantumcompanies.fyi/de/stuttgart/stuttgart/q-ant.md), Quantum hardware, Stuttgart: Develops photonic processors (Native Processing Server, NPU Gen 2) for AI and HPC workloads, with deployments at LRZ and Jülich. 13. [Quantum Optics Jena GmbH](https://quantumcompanies.fyi/de/thuringia/jena/quantum-optics-jena-gmbh.md), Quantum networking and QKD, Jena: Develops quantum-safe communication solutions using QKD (ELVIS product line) and PQC, integrated into existing networks for banking, government, defense and… 14. [QuantumDiamonds](https://quantumcompanies.fyi/de/munich/munich/quantumdiamonds.md), Quantum sensing and metrology, Munich: Builds quantum diamond microscopy tools for non-destructive semiconductor failure analysis, localizing opens, shorts and buried faults; installed at its Munich… 15. [Qudora Technologies](https://quantumcompanies.fyi/de/hamburg/hamburg/qudora-technologies.md), Quantum hardware, Hamburg: Qudora Technologies builds commercial ion-trap quantum computers and provides cloud access via QUDORA Cloud with emulators and support for OpenQASM, Qiskit,… 16. [qutools](https://quantumcompanies.fyi/de/munich/munich/qutools.md), Quantum components, Munich: Makes tools for quantum physics: time-taggers, interferometers, photon counting instruments, and quantum physics education kits including a sensing kit with… 17. [SAXON Q](https://quantumcompanies.fyi/de/leipzig/leipzig/saxon-q.md), Quantum hardware, Leipzig: Builds room-temperature nitrogen-vacancy (NV) center quantum computing systems made with standard semiconductor fabrication; systems delivered to DLR and… 18. [Supracon](https://quantumcompanies.fyi/de/jena/jena/supracon.md), Quantum sensing and metrology, Jena: Develops superconducting quantum sensors, SQUID systems, quantum metrology instruments and cryostats, plus microfabrication services, for geophysics and… 19. [Swabian Instruments](https://quantumcompanies.fyi/de/stuttgart/stuttgart/swabian-instruments.md), Quantum components, Stuttgart: Designs and manufactures data acquisition and signal generation systems, including the Time Tagger series and Pulse Streamer, used in quantum optics,… ## States - [Munich](https://quantumcompanies.fyi/de/munich.md): 4 quantum companies - [Berlin](https://quantumcompanies.fyi/de/berlin.md): 2 quantum companies - [Stuttgart](https://quantumcompanies.fyi/de/stuttgart.md): 2 quantum companies - [Fürth](https://quantumcompanies.fyi/de/furth.md): 1 quantum company - [Garching](https://quantumcompanies.fyi/de/garching.md): 1 quantum company - [Haar](https://quantumcompanies.fyi/de/haar.md): 1 quantum company - [Hamburg](https://quantumcompanies.fyi/de/hamburg.md): 1 quantum company - [Jena](https://quantumcompanies.fyi/de/jena.md): 1 quantum company - [Karlsruhe](https://quantumcompanies.fyi/de/karlsruhe.md): 1 quantum company - [Leipzig](https://quantumcompanies.fyi/de/leipzig.md): 1 quantum company - [Martinsried](https://quantumcompanies.fyi/de/martinsried.md): 1 quantum company - [Siegen](https://quantumcompanies.fyi/de/siegen.md): 1 quantum company - [Thuringia](https://quantumcompanies.fyi/de/thuringia.md): 1 quantum company - [Ulm](https://quantumcompanies.fyi/de/ulm.md): 1 quantum company ## Cities - [Munich, Munich](https://quantumcompanies.fyi/de/munich/munich.md): 4 quantum companies - [Berlin, Berlin](https://quantumcompanies.fyi/de/berlin/berlin.md): 2 quantum companies - [Stuttgart, Stuttgart](https://quantumcompanies.fyi/de/stuttgart/stuttgart.md): 2 quantum companies - [Fürth, Fürth](https://quantumcompanies.fyi/de/furth/furth.md): 1 quantum company - [Garching, Garching](https://quantumcompanies.fyi/de/garching/garching.md): 1 quantum company - [Haar, Haar](https://quantumcompanies.fyi/de/haar/haar.md): 1 quantum company - [Hamburg, Hamburg](https://quantumcompanies.fyi/de/hamburg/hamburg.md): 1 quantum company - [Jena, Jena](https://quantumcompanies.fyi/de/jena/jena.md): 1 quantum company - [Jena, Thuringia](https://quantumcompanies.fyi/de/thuringia/jena.md): 1 quantum company - [Karlsruhe, Karlsruhe](https://quantumcompanies.fyi/de/karlsruhe/karlsruhe.md): 1 quantum company - [Leipzig, Leipzig](https://quantumcompanies.fyi/de/leipzig/leipzig.md): 1 quantum company - [Martinsried, Martinsried](https://quantumcompanies.fyi/de/martinsried/martinsried.md): 1 quantum company - [Siegen, Siegen](https://quantumcompanies.fyi/de/siegen/siegen.md): 1 quantum company - [Ulm, Ulm](https://quantumcompanies.fyi/de/ulm/ulm.md): 1 quantum company ## Categories - [Quantum components](https://quantumcompanies.fyi/category/quantum-components.md) - [Quantum hardware](https://quantumcompanies.fyi/category/quantum-hardware.md) - [Quantum sensing and metrology](https://quantumcompanies.fyi/category/quantum-sensing.md) - [Quantum software and algorithms](https://quantumcompanies.fyi/category/quantum-software.md) - [Quantum cloud access](https://quantumcompanies.fyi/category/quantum-cloud.md) - [Quantum networking and QKD](https://quantumcompanies.fyi/category/quantum-networking.md) - [Post-quantum cryptography vendors](https://quantumcompanies.fyi/category/post-quantum-cryptography.md)