| KDAB System och Metoder Aktiebolag | Falun | 0 tkr |
| KEL Consulting AB | Saltsjö-Duvnäs | 0 tkr |
| KEMA Collectibles AB | Mölndal | 0 tkr |
| Kennemer Förvaltning AB | Saltsjöbaden | 0 tkr |
| Kenneth Steen Advisory & Consulting AB | Saltsjöbaden | 0 tkr |
| Kennler Holding AB | Saltsjö-Boo | 0 tkr |
| Kettel Holding AB | Saltsjöbaden | 0 tkr |
| Keyb AB | Nacka | 0 tkr |
| KFMP Invest AB | Nacka | 0 tkr |
| Khaghan AB | Stockholm | 0 tkr |
| KIAB Förvaltning 2 AB | Saltsjöbaden | 0 tkr |
| KIAB Förvaltning AB | Saltsjöbaden | 0 tkr |
| KIAB Förvaltning Väst AB | Saltsjöbaden | 0 tkr |
| KIAB Karlskoga AB | Saltsjöbaden | 0 tkr |
| KIAB Sport AB | Saltsjöbaden | 0 tkr |
| KIBM AB | Saltsjö-Boo | 0 tkr |
| Kickback Fashion AB | Saltsjö-Boo | 0 tkr |
| Kicking Horse AB | Älta | 0 tkr |
| Kickoff Media AB | Saltsjö-Boo | 0 tkr |
| KIDBK AB | Saltsjö-Boo | 0 tkr |
| KidCBox AB | Nacka | 0 tkr |
| Kiil Consulting AB | Saltsjöbaden | 0 tkr |
| Kiwert Holding AB | Saltsjö-Duvnäs | 0 tkr |
| Kjelldorff Invest AB | Saltsjöbaden | 0 tkr |
| KJK Invest AB | Nacka | 0 tkr |
| Klamala AB | Älta | 0 tkr |
| Klarahill Kluster 8 AB | Nacka | 0 tkr |
| Klas Wennerström Juridik AB | Nacka | 0 tkr |
| Klaus Werner Aktiebolag | Saltsjö-Boo | 0 tkr |
| Klevrings Invest AB | Nacka | 0 tkr |
| KLMA Konsult AB | Saltsjö-Boo | 0 tkr |
| Klockbojen AB | Saltsjöbaden | 0 tkr |
| Klungan Consulting AB | Saltsjö-Boo | 0 tkr |
| K Manneteg Holding AB | Saltsjöbaden | 0 tkr |
| KM CARGO SWEDEN AB | Älta | 0 tkr |
| KMG Data AB | Saltsjö-Boo | 0 tkr |
| Knallberg Holding AB | Nacka | 0 tkr |
| KnAxl Invest AB | Saltsjö-Boo | 0 tkr |
| Knut-Bertil 2 AB | Stockholm | 0 tkr |
| Knut Bertil Holding AB | Stockholm | 0 tkr |
| Knut Ivar August Bertil AB | Saltsjöbaden | 0 tkr |
| K Nyström i Saltsjöbaden AB | Saltsjöbaden | 0 tkr |
| Koko Invest AB | Saltsjö-Boo | 0 tkr |
| Köld & Köld AB | Gustavsberg | 0 tkr |
| Kolmodin Holding AB | Stockholm | 0 tkr |
| KompetensNU Sverige AB | Nacka | 0 tkr |
| Kompiol AB | Saltsjöbaden | 0 tkr |
| Komplex Bygg i Stockholm AB | Brottby | 0 tkr |
| Konst Arkitektur Integrations Gruppen i Stockholm AB | Saltsjö-Boo | 0 tkr |
| Konsultbyrå Margareta Lindahl AB | Järfälla | 0 tkr |