Quantum buying guides
Quantum Companies has 8 guides on quantum technology companies: quantum computer makers (superconducting, trapped-ion, neutral-atom, photonic, spin and topological), quantum software and algorithms, quantum cloud access, quantum sensing and metrology, quantum networking and QKD, post-quantum cryptography vendors, cryogenics, lasers, control electronics and other component suppliers, and quantum consulting and training, grouped by country.
General
- Quantum technology glossary
Plain-language definitions of key terms in quantum computing, sensing, networking, cryptography and components. Updated quarterly.
- How to buy quantum cloud time
Compare AWS Braket, Azure Quantum and IBM Quantum Platform pricing, access models and free tiers for gate-model QPUs, annealers and simulators.
- How to vet a quantum vendor
A procurement checklist for evaluating quantum hardware, software, cloud and services vendors. Technical, commercial and compliance questions to ask before you sign.
- Post-quantum cryptography migration timeline
NIST FIPS 203/204/205 (ML-KEM, ML-DSA, SLH-DSA), NSA CNSA 2.0 and US OMB M-26-15 deadlines for federal and commercial migration.
- Quantum careers and skills
Roles, skills, salaries and hiring trends for quantum computing, sensing, networking and cryptography. University programs, certifications and transition paths from classical tech.
- Quantum computing modalities compared
Compare superconducting, trapped-ion, neutral-atom, photonic, spin-qubit and topological quantum computers by qubit count, fidelity, connectivity and cloud availability.
- Quantum funding and market data 2025
Global public and private investment in quantum technology. Government programs, venture capital, M&A and revenue estimates from McKinsey, BCG, PitchBook and government sources.
- Quantum sensing use cases
Real-world applications of quantum magnetometers, gravimeters, atomic clocks and inertial sensors in defense, healthcare, navigation and resource exploration.
Published by Quantum Companies. How we check each quantum company.