| Neopixl | Esch-sur-Alzette |
| Netcare S.à.r.l. | Luxembourg |
| Netcompany-Intrasoft | Luxembourg |
| NetGine | Luxembourg |
| Netmed.lu | |
| NETsite.lu S.à.r.l. | Redange |
| NetZetera S.à.r.l. | Luxembourg |
| NewSpace Capital | |
| NewSpace Europe | |
| Next Gate Tech S.A. | |
| Next2One S.A. | |
| Nexvia S.A. | |
| Nfinitiv | |
| Nium S.à r.l. | |
| No Big Deal | |
| NORD/LB Luxembourg S.A. | |
| NowCm | |
| Nvision S.A. | Esch-sur-Alzette |
| Nyuko | |
| OAshi S.à.r.l. | Grevenmacher |
| OceanEx | |
| Odysseus Space S.A. | |
| OneAll S.A.R.L. | |
| OneTree Solutions S.A. | |
| Open Assessment Technologies S.A. | Capellen |
| Opportunity Financial Services S.A. | |
| Optima Consulting S.à.r.l. | Capellen |
| Optimal Security Luxembourg | Luxembourg |
| Optimum Asset Management S.A. | |
| OQ Technology | |
| OQ Technology | |
| Orange Luxembourg | Luxembourg |
| Orevon Partners | |
| Organo Therapeutics S.A.R.L. | |
| Our services to investors | |
| Paperass S.à r.l. | |
| Partenaires Sociaux S.A. | Esch-sur-Alzette |
| Passbolt S.A. | |
| Paul Wurth InCub | Luxembourg |
| Payconiq | |
| Payconiq International | Luxembourg |
| PeerMountain | Luxembourg |
| Pep Security S.A. | |
| Perceval Technologies S.A. | Luxembourg |
| Pitch Your Startup | Luxembourg |
| PlanetFirst Partners | |
| PM-International AG | |
| pointCOMM | Esch-sur-Alzette |
| POST Luxembourg | Luxembourg |
| PostScriptum Ventures | Luxembourg |