| Lisa Öhlund Investment AB | Älta | 0 tkr |
| Lish AB | Nacka | 0 tkr |
| Lison Svanström AB | Älta | 0 tkr |
| Liva Arkitektur AB | Saltsjöbaden | 0 tkr |
| LiveBrand Communication in Sweden AB | Saltsjöbaden | 0 tkr |
| Livets Goda AB | Nacka | 0 tkr |
| LivIda Holding AB | Älta | 0 tkr |
| LiVi Future AB | Saltsjö-Boo | 0 tkr |
| Livrem Aktiebolag | Nacka | 0 tkr |
| LJP Andrén AB | Nacka | 0 tkr |
| Ljungberg Advisory AB | Saltsjö-Boo | 0 tkr |
| L.K. Mur & Puts Konsult AB | Stockholm | 0 tkr |
| LML Fastighetsutveckling AB | Älta | 0 tkr |
| LMNt Holding AB | Saltsjö-Duvnäs | 0 tkr |
| LM partners AB | Ingarö | 0 tkr |
| Lockia Security Solutions AB | Värmdö | 0 tkr |
| Logen Fund Management AB | Stockholm | 0 tkr |
| Logic4Human AB | Saltsjö-Boo | 0 tkr |
| Logicus Ardens Finance AB | Saltsjö-Duvnäs | 0 tkr |
| Logicus Ardens Holding AB | Saltsjö-Duvnäs | 0 tkr |
| Logicus Futurum AB | Saltsjö-Duvnäs | 0 tkr |
| Log Islet Holding AB | Saltsjö-Boo | 0 tkr |
| Löjtnantsbacken Invest AB | Saltsjöbaden | 0 tkr |
| Loktaav AB | Saltsjö-Boo | 0 tkr |
| Lost Sock Industries AB | Stockholm | 0 tkr |
| Lot57 Invest AB | Nacka | 0 tkr |
| Lotta Voltaire Holding AB | Danderyd | 0 tkr |
| Louell AB | Saltsjöbaden | 0 tkr |
| Loufag AB | Älta | 0 tkr |
| Lövarne Fastighets AB | Nacka | 0 tkr |
| Lövbergavikens Kiropraktik AB | Saltsjö-Boo | 0 tkr |
| Lövenstrand Green Energy AB | Nacka | 0 tkr |
| LÖWENFELDT & CO AB | Nacka | 0 tkr |
| L palm AB | Nacka | 0 tkr |
| LTE STHLM AB | Saltsjö-Boo | 0 tkr |
| Lucky Town AB | Saltsjöbaden | 0 tkr |
| LUDICE AB | Märsta | 0 tkr |
| Ludo Analytics AB | Nacka | 0 tkr |
| Ludvigsson & Partner AB | Saltsjö-Boo | 0 tkr |
| Lulin AB | Saltsjö-Duvnäs | 0 tkr |
| LULU CREATIVE DIRECTION AB | Stockholm | 0 tkr |
| Lumikids AB | Saltsjöbaden | 0 tkr |
| Lumipath Consulting AB | Saltsjö-Duvnäs | 0 tkr |
| Lundgren & Peña Legacy Investments AB | Saltsjö-Boo | 0 tkr |
| Lundströms Projekt Effektivitet AB | Saltsjö-Boo | 0 tkr |
| L. von Lichtenfeld AB | Nacka Strand | 0 tkr |
| LW Säkerhet AB | Nacka | 0 tkr |
| Lyckagruppen AB | Saltsjöbaden | 0 tkr |
| Lygna Aktiebolag | Stocksund | 0 tkr |
| Lyndell AB | Nacka | 0 tkr |