| 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 | Sofia |
| Netlab.bg | Sofia |
| Netpeak | Sofia |
| Netreact | Sofia |
| NETWORKING Premium Co-Working Space | Sofia |
| NetWorx | Sofia |
| Neurotex Ltd | Sofia |
| Neveq | Sofia |
| NEVEQ | |
| New Age Networks | Sofia |
| New Bulgarian University | Sofia |
| New Horizons Bulgaria | Sofia |
| New Vision 3 Fund | |
| New-S.Net Ltd | Sofia |
| Nexsys | Sofia |
| Next DC | |
| Next Point Host SMLLC | Sofia |
| NGO House | Sofia |
| NICE Лого Дизайн | Sofia |
| Nikolay Manchev | Sofia |
| NitroPack | Sofia |
| NK Software | Sofia |
| No Limit Software Ltd | Sofia |
| Noble Hire | Sofia |
| NOMAD agency | Sofia |
| Novatel | Sofia |
| Noxis | Sofia |
| nPloy | Sofia |
| NRJ Soft Ltd | Sofia |
| Numeltech | Sofia |
| NuStage | Sofia |
| NutriGen | |
| nZoom | Sofia |
| Obecto | Sofia |
| Obecto EOOD | Sofia |
| Oblak.bg | Sofia |
| Ocean Investments | |
| ocenime.bg | Sofia |