| Logyield AB | Bromma | 0 tkr |
| Lolan Hospitality AB | Lidingö | 0 tkr |
| Lo Lindstam AB | Lidingö | 0 tkr |
| LOSOCA AB | Lidingö | 0 tkr |
| Lotpet Holding AB | Lidingö | 0 tkr |
| Lotrec Holding Aktiebolag | Lidingö | 0 tkr |
| Lotshaga Invest AB | Lidingö | 0 tkr |
| Lotta Loosme AB | Stockholm | 0 tkr |
| Lottsfeldt Grevy AB | Saltsjö-Boo | 0 tkr |
| Lövgren & Partners AB | Djursholm | 0 tkr |
| Lövgren & Partners Invest AB | Djursholm | 0 tkr |
| Lovvan Invest AB | Lidingö | 0 tkr |
| LoWil Invest AB | Lidingö | 0 tkr |
| Lugnviks Holding Aktiebolag | Lidingö | 0 tkr |
| Lulo Zust Family Office AB | Lidingö | 0 tkr |
| Lunaris & Partners AB | Sundbyberg | 0 tkr |
| Lun Enterprise AB | Lidingö | 0 tkr |
| Lupinloppans Aktiebolag | Lidingö | 0 tkr |
| LuxLeviosa AB | Lidingö | 0 tkr |
| Lyang AB | Täby | 0 tkr |
| Lybab Miljö AB | Lidingö | 0 tkr |
| Lydén Cyril Bygg AB | Kivik | 0 tkr |
| Mackerel Road AB | Lidingö | 0 tkr |
| Madam Holding AB | Stockholm | 0 tkr |
| Mad Growth AB | Stockholm | 0 tkr |
| Maginum Energy Fund AB | Lidingö | 0 tkr |
| Magnivo Advisory AB | Lidingö | 0 tkr |
| Magno Jobbmäklar AB | Lidingö | 0 tkr |
| Magnus Brandel Energistrategi AB | Lidingö | 0 tkr |
| Magnus Jansson Holding AB | Lidingö | 0 tkr |
| Magnus Kronqvist AB | Lidingö | 0 tkr |
| Magnus Lindén Inredning AB | Lidingö | 0 tkr |
| Mahdi Zarei Holding AB | Lidingö | 0 tkr |
| M. Ahlstrand Holding AB | Lidingö | 0 tkr |
| MäklarLänken i Stockholm AB | Sigtuna | 0 tkr |
| Malaspina Family Office AB | Lidingö | 0 tkr |
| Malikama AB | Lidingö | 0 tkr |
| Malin Rosen Consulting AB | Lidingö | 0 tkr |
| Malionne AB | Lidingö | 0 tkr |
| Malm & Good Förvaltning AB | Lidingö | 0 tkr |
| Malmhold AB | Lidingö | 0 tkr |
| Malmstedt & Wendelin AB | Lidingö | 0 tkr |
| Managing Indirect Tax Sweden AB | Stockholm | 0 tkr |
| Mandea Consulting AB | Lidingö | 0 tkr |
| Måns Molin Holding AB | Lidingö | 0 tkr |
| Maolokon AB | Lidingö | 0 tkr |
| Maolokon Invest AB | Lidingö | 0 tkr |
| M&A Partner AB | Lidingö | 0 tkr |
| Marcus Berggren Holding AB | Lidingö | 0 tkr |
| Marcus Kjellén AB | Bettna | 0 tkr |