| Marie Ytterberg Konsult AB | Eskilstuna | 0 tkr |
| Marinia Holding AB | Lidingö | 0 tkr |
| Mari Wicksell AB | Lidingö | 0 tkr |
| Marklunds IT Consulting AB | Lidingö | 0 tkr |
| Marley Street AB | Lidingö | 0 tkr |
| Martin Lydén AB | Kivik | 0 tkr |
| Martin Paulette AB | Lidingö | 0 tkr |
| Martotto Holding AB | Lidingö | 0 tkr |
| Marysol AB | Lidingö | 0 tkr |
| Mastej Management AB | Lidingö | 0 tkr |
| Mastej Projects AB | Lidingö | 0 tkr |
| Mathias Walden Diagnostics AB | Lund | 0 tkr |
| Mathology AB | Lidingö | 0 tkr |
| Matilda Bilk AB | Lidingö | 0 tkr |
| Mats Ahnelöv Consulting AB | Lidingö | 0 tkr |
| Matssixten invest AB | Luleå | 0 tkr |
| Maudan AB | Umeå | 0 tkr |
| Maugham Futures AB | Lidingö | 0 tkr |
| Mawesome People AB | Stockholm | 0 tkr |
| MAWIJO Holding AB | Lidingö | 0 tkr |
| MaxEnergi System HC AB | Lidingö | 0 tkr |
| Maxvantage Aktiebolag | Lidingö | 0 tkr |
| MBL Holding AB | Lidingö | 0 tkr |
| MBranch Invest AB | Lidingö | 0 tkr |
| McKhan & Co AB | Lidingö | 0 tkr |
| M&C Perfect AB | Lidingö | 0 tkr |
| Meae AB | Lidingö | 0 tkr |
| Medax AB | Lidingö | 0 tkr |
| Mediaprise AB | Lidingö | 0 tkr |
| Meeler Cap Holding AB | Lidingö | 0 tkr |
| Meliora Capital AB | Lidingö | 0 tkr |
| Merckx Management Consulting AB | Lidingö | 0 tkr |
| Merwinwood AB | Lidingö | 0 tkr |
| MGS Invest AB | Lidingö | 0 tkr |
| Miabikoncernen AB | Lidingö | 0 tkr |
| Mibru Sweden Enterprises AB | Lidingö | 0 tkr |
| Michael A Invest AB | Lidingö | 0 tkr |
| MidCorp M&A Aktiebolag | Lidingö | 0 tkr |
| Miger Healthcare AB | Lidingö | 0 tkr |
| Mihala Invest AB | Lidingö | 0 tkr |
| Mikael Group AB | Värmdö | 0 tkr |
| Milac Shirtmaker Aktiebolag | Stocksund | 0 tkr |
| Milady Fastighets AB | Lidingö | 0 tkr |
| Mildor & Co AB | Lidingö | 0 tkr |
| Millid AB | Lidingö | 0 tkr |
| Mimaco AB | Lidingö | 0 tkr |
| Mindful Bizness AB | Lidingö | 0 tkr |
| Mingograf Holding AB | Stockholm | 0 tkr |
| Minola allservice i Sverige AB | Lidingö | 0 tkr |
| Minola parkeringsservice i Sverige AB | Lidingö | 0 tkr |