| Lasse & Classes Färg Aktiebolag | Uppsala | 0 tkr |
| Lasse Eriksson Borr & Tång Aktiebolag | Uppsala | 0 tkr |
| Låsservice i Mälardalen AB | Hägersten | 0 tkr |
| LA:s Skattekonsult i Uppsala AB | Uppsala | 0 tkr |
| Lastcon AB | Tierp | 0 tkr |
| Last Line Defence Logistics AB | Uppsala | 0 tkr |
| La Torre Holding AB | Knivsta | 0 tkr |
| Latvas Bygg & Fastighet AB | Sigtuna | 0 tkr |
| Laugh Holding AB | Knivsta | 0 tkr |
| Lavio Invest AB | Knivsta | 0 tkr |
| La Voiture AB | Knivsta | 0 tkr |
| Lawro Ken Holding AB | Uppsala | 0 tkr |
| LBC Uppland Aktiebolag | Uppsala | 0 tkr |
| LB Entreprenadservice AB | Uppsala | 0 tkr |
| Lce Nordic Land AB | Uppsala | 0 tkr |
| LC Fastigheter AB | Gräsö | 0 tkr |
| Leadbox AB | Solna | 0 tkr |
| Leadli AB | Uppsala | 0 tkr |
| Leaf Field Creation AB | Knutby | 0 tkr |
| Leaf Field Holding AB | Knutby | 0 tkr |
| LEAN boom AB | Uppsala | 0 tkr |
| Lean Business Partner in Sweden AB | Uppsala | 0 tkr |
| LeanOn Group AB | Uppsala | 0 tkr |
| LeanOn Partners AB | Uppsala | 0 tkr |
| Leanstruct AB | Uppsala | 0 tkr |
| Lecter International AB | Uppsala | 0 tkr |
| Ledarskap i Mälardalen AB | Ekolsund | 0 tkr |
| L&E Engström AB | Saltsjöbaden | 0 tkr |
| Lefo Aktiebolag | Hargshamn | 0 tkr |
| Lefrut AB | Knivsta | 0 tkr |
| Legal Forward AB | Uppsala | 0 tkr |
| Legiti Safe AB | Uppsala | 0 tkr |
| Leg läkare Lovisa Jarl AB | Hägersten | 0 tkr |
| LEHOSITY AB | Knivsta | 0 tkr |
| Lehto & Lehto AB | Uppsala | 0 tkr |
| Leif Ivar Pettersson Holding AB | Tierp | 0 tkr |
| Leif Luomala AB | Skärplinge | 0 tkr |
| Leijongruppen AB | Stockholm | 0 tkr |
| LeijonMat Kungshögarna AB | Hasselfors | 0 tkr |
| Lejcon AB | Uppsala | 0 tkr |
| Lekeab AB | Uppsala | 0 tkr |
| LEKER AB | Östhammar | 0 tkr |
| Lelham holding AB | Uppsala | 0 tkr |
| Lelles Center Aktiebolag | Uppsala | 0 tkr |
| Lelles Maskin AB | Uppsala | 0 tkr |
| Lembke Elektromekaniska Verkstad LEV AB | Länna | 0 tkr |
| Lemniscate Capital AB | Knivsta | 0 tkr |
| LemonStar AB | Storfors | 0 tkr |
| Lena-Årby Fastighets AB | Uppsala | 0 tkr |
| LENAB Förvaltning AB | Östhammar | 0 tkr |