| Lasse Grønbech Power Electronics ApS | Central Denmark Region |
| Launchpad by ESA BIC DK | |
| Layerise ApS | |
| Leadfamly ApS | |
| LeanLinking | |
| Leapwork | |
| Legacy App ApS | |
| Leneo A/S | |
| Lentii ApS | |
| LEO Pharma A/S | |
| Lessor A/S | Capital Region of Denmark |
| LetsBuild | |
| Lifeline Robotics | |
| Liga ApS | Capital Region of Denmark |
| Light Partner ApS | |
| Likvido | |
| LiNA Medical ApS | |
| Link Data Security A/S | Capital Region of Denmark |
| Linkfire | |
| LiqTech Holding A/S | |
| LIVA consult | |
| Liva Healthcare A/S | |
| Livingroom Analytics | |
| LMS365 | |
| Lobyco A/S | |
| Logimatic | North Jutland Region |
| Logpoint | Capital Region of Denmark |
| Lollands Bank | Region Zealand |
| Lorenz Technology ApS | |
| LS Control A/S | Region Zealand |
| LT Automation Aalborg A/S | |
| Lua | Capital Region of Denmark |
| Lun Energy | |
| Lunar A/S | |
| Lund & Andresen IT ApS | Region of Southern Denmark |
| Lundbeckfonden | |
| lykholt IT PARTNER | North Jutland Region |
| Lyngsoe Systems A/S | |
| Lytzen IT A/S | North Jutland Region |
| M media ApS | North Jutland Region |
| M Networks A/S | Capital Region of Denmark |
| Macrocom | Region of Southern Denmark |
| MacVision ApS | Region Zealand |
| Make IT Right | Capital Region of Denmark |
| MAKEEN Energy | |
| MakeImpact ApS | |
| Mancofi A/S | |
| Mansoft A/S | |
| MapsPeople | |
| Mark Information A/S | Capital Region of Denmark |