| Københavns Erhvervsakademi | |
| Københavns Professionshøjskole | |
| Københavns Universitet | Capital Region of Denmark |
| Københavns Universitet - Datalogisk Institut | Capital Region of Denmark |
| Københavns Universitet - Institut for Matematiske Fag | Capital Region of Denmark |
| Københavns Universitet - Niels Bohr Institutet | Capital Region of Denmark |
| Københavns Universitet Institut for Fødevarevidenskab | |
| Køge Handelsskole | |
| L-H Data | Region Zealand |
| Lab08 | Capital Region of Denmark |
| Labitat | |
| Labster ApS | Capital Region of Denmark |
| Landfolk A/S | |
| Langstack ApS | |
| LanSoft ApS | Capital Region of Denmark |
| Laptops.dk | Region of Southern Denmark |
| Lars Thrane A/S | |
| Larsen Digital ApS | |
| Lasse Grønbech Power Electronics ApS | Central Denmark Region |
| Launchpad by ESA BIC DK | |
| Layerise ApS | |
| Leadfamly ApS | |
| LeanLinking | |
| LeanMail ApS | |
| Leapwork | |
| Learnmark Horsens | |
| Legacy App ApS | |
| Leneo A/S | |
| Lentii ApS | |
| Lenus | |
| LEO Pharma A/S | |
| Lessor A/S | Capital Region of Denmark |
| LetsBuild | |
| Lifeline Robotics | |
| Liga ApS | Capital Region of Denmark |
| Light | |
| Light Partner ApS | |
| Likvido | |
| LiNA Medical ApS | |
| Link Data Security A/S | Capital Region of Denmark |
| Linkfire | |
| LiqTech Holding A/S | |
| LittleGiants | |
| LIVA consult | |
| Liva Healthcare A/S | |
| Livingroom Analytics | |
| LM Wind Power | |
| LMS365 | |
| Lobyco A/S | |
| Logimatic | North Jutland Region |