| Diagonal Bio | |
| Dialog speech and language technologies AB | |
| Diamyd Medical AB | |
| Dianovator AB | |
| Diaprost AB | |
| Dib Travel | |
| Dibz | |
| Dicopay | |
| Dicot AB | |
| Dicot Pharma AB | |
| Digidot | |
| Digiexam | |
| Digip | |
| Digipartner Sverige AB | |
| DigiProc | |
| Digital byrå Stockholm Kreationsbyrån | Stockholm |
| Digital Dividend | |
| Digital Division | |
| Digital IQ | |
| Digital Mechanics | |
| Digital New Agency Technology AB | |
| Digital Portfolio Control AB | |
| Digital Route AB | Stockholm |
| Digital Vision World | Stockholm |
| DigitalWell Ventures | |
| DigiView Nordics AB | |
| Dignitana AB | |
| Dilafor AB | |
| DipBox.com | Västra Götaland |
| Dirac Research AB | |
| Direktkonsult AB | Västra Götaland |
| Direktonline | |
| Direktronik AB | Stockholm |
| Disruptive Pharma | |
| Divio Technologies AB | |
| Dizlin Pharmaceuticals AB | |
| Djäkne Startup Studio | |
| Dlaboratory Sweden AB | |
| Dockstr AB | |
| Doconomy AB | |
| Doctor Entertainment AB | Uppsala |
| Doctrin AB | |
| Dohi | Västerbotten |
| doktor.se Nordic AB | |
| Doktor24 | |
| Dolprop Industries AB | |
| DomainCrawler | |
| Done Sweden AB | |
| Dooer AB | |
| DoReMIR Music Research AB | Stockholm |