| MOST Computers | Sofia |
| Most Finance Management | Sofia |
| Move.bg | Sofia |
| MSoft Ltd | Sofia |
| MT&M Колеж по мениджмънт, търговия и маркетинг | |
| Musala Soft | Sofia |
| My Synergy | |
| MyApp.BG | Sofia |
| MyFreeSoft.Net | Sofia |
| MyQRCode | |
| myTech.bg | Sofia |
| MyVPN.bg | Sofia |
| Nasekomo | Sofia |
| Navigato | Sofia |
| Nbis | Sofia |
| NDB Ltd | Sofia |
| NearSoft.eu | |
| NEG.bg | Sofia |
| Nemetschek Bulgaria | Sofia |
| Neo Gravity AD | |
| Neo Ventures | Sofia |
| Neogrey Creative | Plovdiv |
| Neracom | Silistra |
| NET IP Ltd | Sofia |
| Net React Ltd | Sofia |
| NetArtMedia | Sofia |
| Neterra | Sofia |
| Netinfo.bg | Sofia |
| NETIS | Sofia |
| NetIX Communications AD | Sofia |
| Netlab.bg | Sofia |
| Netpeak | Sofia |
| Netreact | Sofia |
| NETWORKING Premium Co-Working Space | Sofia |
| Neural Brothers | |
| Neurotex Ltd | Sofia |
| Neveq | Sofia |
| NeVo Studio | |
| New Age Networks | Sofia |
| New Bulgarian University | Sofia |
| New Horizons Bulgaria | Sofia |
| New Vision 3 Fund | |
| New Wave Digital | |
| New-S.Net Ltd | Sofia |
| Nexsys | Sofia |
| Next DC | |
| Next Point Host SMLLC | Sofia |
| NextGenDigital | |
| NGO House | Sofia |
| NICE Лого Дизайн | Sofia |