Company directory
Who is building what, across all seven hardware modalities and the software layer. Names and modality assignments are verified; quantitative claims stay out until checked against primary sources.
| Company | Modality | Status | Approach | |
|---|---|---|---|---|
| D | Diraq | silicon-spin | private | Sydney spin-out commercializing decades of UNSW silicon-qubit research. |
| Q | Quantum Motion | silicon-spin | private | UK company building silicon spin qubits with standard CMOS processes. |
| S | Silicon Quantum Computing | silicon-spin | private | Australian company placing individual phosphorus atoms in silicon with atomic precision. |
| Q | Quobly | silicon-spin | private | French (CEA-Leti spin-off) silicon-spin company leveraging the Grenoble microelectronics ecosystem. |
Directory facts policy: this field's numbers change quarterly, and wrong numbers destroy credibility. Founding years, headquarters, funding and device specs render as "to verify" until checked against primary sources. Never a recommendation of any company.