| Maras Invest AB | Vallda | 0 tkr |
| Marcus Lagerstedt Venture AB | Åsa | 0 tkr |
| Margareta Christina Persson AB | Kungsbacka | 0 tkr |
| Maria af Petersens Aktiebolag | Vallda | 0 tkr |
| Maria Plahn AB | Vallda | 0 tkr |
| Mariedals Fastigheter AB | Kungsbacka | 0 tkr |
| Marie Fischer konsult AB | Billdal | 0 tkr |
| Marie Wilderoth AB | Kullavik | 0 tkr |
| Mari Freidlitz Holding AB | Frillesås | 0 tkr |
| Mark Ecommerce AB | Särö | 0 tkr |
| Marketing och Event Sverige AB | Göteborg | 0 tkr |
| Markören AB | Västra Frölunda | 0 tkr |
| Markus Bergerheim Förvaltning AB | Särö | 0 tkr |
| Markwell AB | Åsa | 0 tkr |
| Markwell Consulting i Göteborg AB | Åsa | 0 tkr |
| Marlith AB | Onsala | 0 tkr |
| Marmgren Konsulter Aktiebolag | Onsala | 0 tkr |
| Marpet Agenturer AB | Varberg | 0 tkr |
| Mårten Gullberg AB | Kungsbacka | 0 tkr |
| Martin Anthonsen Consulting AB | Kullavik | 0 tkr |
| Martin Blomster Holding AB | Åsa | 0 tkr |
| Martin Holding AB | Västra Frölunda | 0 tkr |
| Martin Johansson Förvaltning AB | Kungsbacka | 0 tkr |
| M&A Skårvik Kläppa i Vallda AB | Vallda | 0 tkr |
| Mask International AB | Kungsbacka | 0 tkr |
| MASTEN AB | Särö | 0 tkr |
| Mastracom AB | Vallda | 0 tkr |
| Matilda Magnusson Consulting AB | Kungsbacka | 0 tkr |
| Matoll AB | Kungsbacka | 0 tkr |
| Mats Bertilsson Förvaltning AB | Kungsbacka | 0 tkr |
| Mats Blomqvist Förvaltning AB | Onsala | 0 tkr |
| Mats Eriksson Invest AB | Fjärås | 0 tkr |
| Mats Sparryttare Holding AB | Fjärås | 0 tkr |
| Mattias Hallengärd AB | Kungsbacka | 0 tkr |
| MAV Holding AB | Fjärås | 0 tkr |
| Mavijoso Consulting AB | Onsala | 0 tkr |
| Mawiol AB | Onsala | 0 tkr |
| MAWJA AB | Onsala | 0 tkr |
| Maxemal Fastigheter AB | Kullavik | 0 tkr |
| Max Göte AB | Kungsbacka | 0 tkr |
| Maxx Holding AB | Kungsbacka | 0 tkr |
| MAXXIT AB | Onsala | 0 tkr |
| May Company AB | Onsala | 0 tkr |
| MB Europe Holding AB | Frillesås | 0 tkr |
| M & Brothers AB | Kungsbacka | 0 tkr |
| McRill Cap AB | Göteborg | 0 tkr |
| Mean Driver AB | Kungsbacka | 0 tkr |
| MEAS Ventures AB | Nacka Strand | 0 tkr |
| Mediliv Aktiebolag | Falun | 0 tkr |
| Medin Invest AB | Göteborg | 0 tkr |