| Name | Unified registration number |
|---|---|
| LSC SIA | 40003474166 |
| "LSV KLUBS" SIA | 40003025063 |
| Lumino Energy SIA | 40203475395 |
| Luminor Bank AS | 40003024725 |
| Luminor Bank AS Latvijas filiāle | 40203154352 |
| LumiraDx UK Limited | GB09206123 |
| Lumix SIA | 40203077439 |
| "Luxury & Sports Cars" SE | 40003929152 |
| M79 SIA | 40103543479 |
| MAG Baltic, SIA | 50103186391 |
| Manador GmbH | DEHRB249008 |
| Manscaped, Inc | US4139050 |
| MATOTEX SIA | 40103774095 |
| "MAXIMA Latvija" SIA | 40003520643 |
| MEKO Baltics SIA | 40003385421 |
| Merck Serono SIA | 40103236455 |
| Michael Kors (Latvia) SIA | 40103861138 |
| Microsoft Ireland Operations Limitid | IE90009889083 |
| MIDWAY, SIA | 40103266888 |
| Miele SIA | 40103158767 |