| Afry AB | |
| Again Technology AB | |
| Agentum | |
| Agical | |
| Agila | |
| Agile Molecule | Stockholm |
| Agile Search | |
| Agilpodden | |
| Agorify AB | |
| Agrepto AB | |
| Agria | |
| Agricam AB | |
| Agrilogik AB | |
| Agrisera AB | |
| Agronomics Scandinavia AB | |
| AH automation | |
| AH diagnostics AB | |
| Ahlberg Electronics AB | Stockholm |
| Ahum AB | |
| AI Medical Technology | |
| AI Sweden | Västra Götaland |
| AI-podden | |
| Aifive AB | |
| Aimo Park Sweden AB | |
| Aira | |
| AirForestry AB | |
| Airmee | |
| Airolit AB | |
| Airpelago AB | |
| Airson Engineering AB | |
| Airsonett AB | |
| Airwatergreen | |
| Airwatergreen AB | |
| Akademiska Hus | |
| Akademiska sjukhuset | |
| AKEA AB | |
| Akira Science | |
| Akira Science AB | |
| Akiram Therapeutics | |
| Akribian AB | |
| Aktiebolagstjänst | |
| Aktiespararna | |
| AktivBo AB | |
| Alab Aluman AB | |
| alaTest | Stockholm |
| Albacross Nordic AB | |
| AlbaNova | |
| Alcea Redovisning AB | |
| Alcesys | Stockholm |
| Alder Therapeutics | |