| Montis Vertice Handelsbolag | Lidingö | — |
| Mossenberg Strategic Advisory AB | Lidingö | — |
| Mosstorp Consulting Handelsbolag | Lidingö | — |
| Myologia Handelsbolag | Stockholm | — |
| Natures Calm Handelsbolag | Lidingö | — |
| NBC investment Partner AB | Stockholm | — |
| Newton Orchestration Systems AB | Lidingö | — |
| NextWeb Sweden AB | Stockholm | — |
| Nils S-A Robotik AB | Lidingö | — |
| Nordic Creative Group Handelsbolag | Lidingö | — |
| Nordic Pearl AB | Lidingö | — |
| Nordvide AB | Lidingö | — |
| Noréns Advokatbyrå AB | Stockholm | — |
| Norgren Media Handelsbolag | Lidingö | — |
| Norr & Associates Executive Business Education Handelsbolag | Lidingö | — |
| Northlight Studios AB | Lidingö | — |
| Norvikn AB | Lidingö | — |
| Nouri Pizza & Grill AB | Lidingö | — |
| Nouva AB | Lidingö | — |
| Nouveauva AB | Lidingö | — |
| Novara Consulting AB | Lidingö | — |
| Novix Productions Handelsbolag | Stockholm | — |
| NTIBO AB | Lidingö | — |
| Nygården Fastighetsutveckling AB | Lidingö | — |
| Offentliglistan Handelsbolag | Lidingö | — |
| Opptify AB | Lidingö | — |
| Östermalms Samtalsterapi AB | Lidingö | — |
| Oswaldson Consulting AB | Lidingö | — |
| Ottfalk Elite Racing AB | Lidingö | — |
| Out Loud AB | Lidingö | — |
| Pace Invest AB | Lidingö | — |
| Palmelius Partners AB | Lidingö | — |
| PALS Western AB | Lidingö | — |
| Panavi AB | Lidingö | — |
| Pandion Development AB | Lidingö | — |
| Panthera Corporate Advisors Handelsbolag | Lidingö | — |
| Paor Consulting AB | Lidingö | — |
| Particular AB | Lidingö | — |
| P & CE Blom Art Kommanditbolag | Lidingö | — |
| Pegula Holding AB | Lidingö | — |
| PETTERSSON & BACHNER BILD OCH TEXT HANDELSBOLAG | Stockholm | — |
| Picpoul AB | Lidingö | — |
| Piehl Consulting AB | Lidingö | — |
| Pinerose AB | Lidingö | — |
| Pizzeria R&K Handelsbolaget | Lidingö | — |
| P&L Hälsa i Stockholm AB | Lidingö | — |
| PLS (Program Leadership Service) AB | Lidingö | — |
| Polaris Redovisning AB | Bromma | — |
| Polixai AB | Lidingö | — |
| Polyview AB | Lidingö | — |