| OrderYOYO A/S | |
| Orphazyme A/S | |
| Osalt.com | Region Zealand |
| OUI | Capital Region of Denmark |
| Our Site | Central Denmark Region |
| Ousia Pharma | |
| Oxmond Technologies | Capital Region of Denmark |
| Page Design ApS | Central Denmark Region |
| PageOne | Capital Region of Denmark |
| Paiblock A/S | |
| Pancryos | |
| Panmedia ApS | Central Denmark Region |
| Parent ApS | |
| Partisia | |
| PartnerService | |
| Passendo | |
| Paste Team ApS | |
| Paul E. Danchell A/S | Region Zealand |
| PayProff A/S | |
| PCSCHEMATIC A/S | Central Denmark Region |
| Penneo A/S | Capital Region of Denmark |
| Penni.io | Capital Region of Denmark |
| PenSam | |
| PentaBase | |
| Pentia | |
| People Ventures | |
| Peoplenet ApS | Capital Region of Denmark |
| Performativ ApS | |
| Performativ ApS | |
| PetriSoft | Central Denmark Region |
| Peytz & Co | Capital Region of Denmark |
| Pharmacosmos A/S | |
| Phases ApS | |
| Phone IT | Capital Region of Denmark |
| Phpuniverset.dk | Capital Region of Denmark |
| Pi-Web | Capital Region of Denmark |
| Pil.dk | Central Denmark Region |
| Pintle | |
| Pitcherific | |
| Planet Alpha | |
| Playable ApS | |
| Plecto ApS | |
| PLEMSOFT | Region Zealand |
| Pleo Technologies ApS | Capital Region of Denmark |
| PLM Group Danmark A/S | Capital Region of Denmark |
| Polaris Electronics A/S | North Jutland Region |
| PolarTech Salg ApS | |
| Polytech A/S | |
| Polyteknik AS | |
| Pond.global | |