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 | |
|---|---|---|---|---|
| A | Alpine Quantum Technologies | trapped-ion | private | Austrian spin-out from Innsbruck's ion-trapping groups, selling compact rack-mounted trapped-ion systems. |
| U | Universal Quantum | trapped-ion | private | UK company pursuing large-scale trapped-ion machines linked by electric-field chip-to-chip connections rather than optics. |
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.