| Rek.ai | |
| Rekonnect | |
| Reksoft International | |
| Rektron AB | Stockholm |
| Rekyl | |
| Relox Robotics AB | |
| Relox Robotics AB | |
| Remente AB | |
| RemotiveLabs | |
| Renew Group Sweden AB | |
| Renewcell | |
| Renomate AB | |
| Repli5 AB | |
| Rerun | |
| Resia AB | |
| Resolution Games | Stockholm |
| ReSpace | |
| Respaces AB | |
| Respiratorius AB | |
| Responsive AB | Östergötland |
| Resurs Bank AB | Stockholm |
| Retorikutbildning.se Sverige AB | Stockholm |
| Returbo AB | |
| Revam | |
| Revibe Energy | |
| Revideco AB | |
| Revolt Powercharge AB | |
| Rexor AB | |
| RGNT Electric AB | |
| Riba AB | |
| Ribomation AB | Stockholm |
| Rickard Johansson | Stockholm |
| Ricoh Sverige AB | |
| Ridely | |
| Ripe | |
| RISE Research Institutes of Sweden | |
| RIT Space | |
| Rite Ventures | Stockholm |
| River | |
| Rivus Batteries | |
| RIW Software Technology AB | |
| Roaring | |
| Robota AB | |
| Rocker AB | |
| Rootor AB | Skåne |
| Roro | |
| Roxen AB | Östergötland |
| RT-Labs | Västra Götaland |
| RTI Electronics AB | Västra Götaland |
| Rumblestrip | |