Superconducting quantum computers
Chips cooled to near absolute zero (IBM, Google Quantum AI, Rigetti, IQM, Alice & Bob, Anyon, Nord Quantique)
4 leading companies in superconducting quantum computers, one segment of quantum computing — Machines that compute with qubits, rented over the cloud or sold on-premises — US$1.4B in 2025, ~30%/yr growth forecast
new market segment · researched 2026-11-14
Superconducting quantum computersTrapped-ion quantum computersPhotonic quantum computersNeutral-atom quantum computersQuantum cloud access & software
C
Leading superconducting quantum computers companies
4 companies, with the scale each source states. Scale is the whole company's unless the row says otherwise.
| Company | Where | What they do | Scale |
|---|---|---|---|
| IBM Quantum IBM ↗ | United States | Superconducting transmon processors, available through the IBM Quantum Platform cloud (launched 2016) and the Qiskit SDK | — |
| Google Quantum AI GOOGL ↗ | Goleta, United States since 2012 | Superconducting processors (Willow, Sycamore) and error-correction research toward large-scale machines | — |
| Rigetti Computing RGTI ↗ | Berkeley, United States since 2013 | Superconducting quantum integrated circuits, sold through its own cloud and through Amazon Braket | revenue: 7.088 USD millions (2025) ↗ |
| Alice & Bob ↗ | Paris, France since 2020 | Superconducting 'cat qubit' architecture focused on quantum error correction; also based in Boston; selected for France's PROQCIMA program | employees: 110 employees ↗ |
M
The quantum computing market
The whole market this segment sits in.
global revenue · world1.4
↗USD billions · 2025
Growth, segments, risks and every company in quantum computing →
Quick answers
- What are superconducting quantum computers?
- Chips cooled to near absolute zero (IBM, Google Quantum AI, Rigetti, IQM, Alice & Bob, Anyon, Nord Quantique). They are one segment of the quantum computing market.
- Who are the leading superconducting quantum computers companies?
- IBM Quantum (United States), Google Quantum AI (United States), Rigetti Computing (United States), Alice & Bob (France).
- Which superconducting quantum computers companies are publicly traded?
- Rigetti Computing (RGTI).
- How big is the quantum computing market?
- For the whole quantum computing market, not this segment alone: global revenue (world) 1.4 USD billions, 2025 — Quantum Economic Development Consortium (QED-C) / SRI International.