| Trivector AB | |
| Trivseldata AB | |
| TROOPR | |
| Truckbeat AB | |
| True Software Scandinavia AB | Stockholm |
| True Value Software AB | |
| Truly Labs | |
| Trust-IT Sweden AB | Stockholm |
| Trustly Group AB | |
| TrusTrace | |
| Trygg-Hansa | |
| Turbotic AB | |
| Turnr Group | |
| Tvinn | |
| Twiik AB | |
| Twingly AB | |
| Twirl Data AB | |
| Tylöprint AB | |
| TypeDNA | Stockholm |
| Typelane | |
| UBI Index AB | |
| Ulricehamns Sparbank | |
| Umeå Energi AB | |
| Umeå universitet | Västerbotten |
| Umeå universitet - Institutionen för datavetenskap | Västerbotten |
| Umeå universitet - Institutionen för informatik | Västerbotten |
| Umeå University - Academic Computer Club | Västerbotten |
| Umecrine Cognition AB | |
| Unbiased AB | |
| Ungapped | |
| Unikum | |
| United Profile Networks AB | |
| United Robots | |
| United Spaces Network Offices AB | |
| Universum Communications Sweden AB | Stockholm |
| Univid AB | |
| Univrses AB | Stockholm |
| Untie Group AB | |
| UP4ALL International AB | Uppsala |
| Uppsala Innovation Centre | |
| Uppsala konsultpartner | Uppsala |
| Uppsala universitet | Uppsala |
| Uppsala universitet - Matematiska institutionen | |
| Uppsala University - Department of Information Technology | Uppsala |
| Uppstart Malmö | |
| Upsales Nordic AB | Stockholm |
| Upstream AB | Stockholm |
| UPSYS AB | Stockholm |
| Urb-it | |
| Urban ICT Area | Stockholm |