| Mevo Skandinavia AB | Handen | 0 tkr |
| MEWR Holding AB | Nacka | 0 tkr |
| me&you consulting Sweden AB | Vega | 0 tkr |
| M.G Wahlström Holding AB | Dalarö | 0 tkr |
| MHP Fastighetsutveckling i Stockholm AB | Gustavsberg | 0 tkr |
| M.I.A Multi Invest Assets AB | Handen | 0 tkr |
| Michael Marmstål Produktion AB | Falun | 0 tkr |
| Michael Rundqvist Förvaltning AB | Vega | 0 tkr |
| Michael Sundbom Invest AB | Vendelsö | 0 tkr |
| MIEVLE Assistans AB | Vega | 0 tkr |
| Mikaela Hertzman AB | Vendelsö | 0 tkr |
| Mike Osawenne Taxi AB | Handen | 0 tkr |
| Milenium AB | Vega | 0 tkr |
| Miljas AB | Tungelsta | 0 tkr |
| Miljöbostäder i Stockholm AB | Mjöbäck | 0 tkr |
| Min Hälsa Sverige AB | Tyresö | 0 tkr |
| MIPE Invest AB | Vega | 0 tkr |
| Mixish Group AB | Brandbergen | 0 tkr |
| Mizell Entreprenör AB | Valdemarsvik | 0 tkr |
| Mk Home AB | Södertälje | 0 tkr |
| MK Ren & Fin AB | Brandbergen | 0 tkr |
| MLS Control AB | Västerhaninge | 0 tkr |
| MMF Business AB | Handen | 0 tkr |
| MMH Holding AB | Jordbro | 0 tkr |
| Mmt friends AB | Muskö | 0 tkr |
| MOM Förvaltnings AB | Handen | 0 tkr |
| Monokretos AB | Tungelsta | 0 tkr |
| Monte Claro AB | Stockholm | 0 tkr |
| M & O Olofsson Holding Aktiebolag | Stockholm | 0 tkr |
| Moonshine Tales AB | Göteborg | 0 tkr |
| Mor och son Åkeri AB | Vega | 0 tkr |
| Morris Utveckling & Ledarskap AB | Vega | 0 tkr |
| Mosmuneris AB | Djursholm | 0 tkr |
| Motala Stenmiljö AB | Motala | 0 tkr |
| M&R Åkeri AB | Jordbro | 0 tkr |
| Mr. Graham of Sweden AB | Handen | 0 tkr |
| MR Group Sweden AB | Vendelsö | 0 tkr |
| Mr Meadow AB | Stockholm | 0 tkr |
| Mr Stockholm AB | Jordbro | 0 tkr |
| MS85 Holding AB | Vendelsö | 0 tkr |
| MSN Holding AB | Tungelsta | 0 tkr |
| MTK Holding AB | Västerhaninge | 0 tkr |
| Mtr3 invest AB | Vendelsö | 0 tkr |
| Musicwatch AB | Stockholm | 0 tkr |
| MW Combined Solutions AB | Västerhaninge | 0 tkr |
| MWK Konsult AB | Vendelsö | 0 tkr |
| Myall AB | Årsta Havsbad | 0 tkr |
| Myggdalen Holding AB | Dalarö | 0 tkr |
| MyNeeds for the World AB | Enskede | 0 tkr |
| Myrby Consulting AB | Nacka | 0 tkr |