| SecTrade Investeringar AB | Saltsjöbaden | 0 tkr |
| Segelhuset AB | Saltsjöbaden | 0 tkr |
| Segerholms Gräsvreten AB | Saltsjö-Boo | 0 tkr |
| Segerholms Holding AB | Saltsjö-Boo | 0 tkr |
| Segerstad Invest AB | Stockholm | 0 tkr |
| Segolsson Invest AB | Saltsjö-Boo | 0 tkr |
| Sekatören AB | Saltsjö-Boo | 0 tkr |
| Seliva AB | Saltsjö-Boo | 0 tkr |
| Semantra Global AB | Stockholm | 0 tkr |
| Senectus Förvaltning AB | Saltsjö-Boo | 0 tkr |
| Senectus Holding AB | Saltsjö-Boo | 0 tkr |
| Senectus Intressenter AB | Saltsjö-Boo | 0 tkr |
| Senectus Tollare Bostad AB | Saltsjö-Boo | 0 tkr |
| Servicebolaget Holtz Invest AB | Saltsjö-Boo | 0 tkr |
| Sexes 40 AB | Saltsjöbaden | 0 tkr |
| SFD Svensk Fastighets Depå Aktiebolag | Stockholm | 0 tkr |
| SGL Fastighets AB | Saltsjö-Boo | 0 tkr |
| Shalabi Family AB | Saltsjö-Boo | 0 tkr |
| SH e-commerce AB | Stockholm | 0 tkr |
| Sher House AB | Saltsjö-Boo | 0 tkr |
| Shining Beauty AB | Saltsjö-Boo | 0 tkr |
| S&H Konsultbyrå AB | Nacka | 0 tkr |
| Shogun Yachts AB | Nacka Strand | 0 tkr |
| Sicklaön 13:2 i Nacka AB | Nacka | 0 tkr |
| Sickla Optic Services AB | Göteborg | 0 tkr |
| Sifvert Holding AB | Saltsjöbaden | 0 tkr |
| Signarsson Holding AB | Upplands Väsby | 0 tkr |
| Significant AB | Nacka | 0 tkr |
| Significant Holding AB | Nacka | 0 tkr |
| Sign in Solutions XYNGROUP AB | Saltsjö-Boo | 0 tkr |
| Sigrell Management AB | Ingarö | 0 tkr |
| Silebäck Consulting AB | Älta | 0 tkr |
| Silouette AB | Saltsjö-Boo | 0 tkr |
| Siluett Fastighets Aktiebolag | Saltsjö-Boo | 0 tkr |
| Silvander Holding AB | Saltsjö-Boo | 0 tkr |
| Silver Taxi, Gunnar Johansson Aktiebolag | Älta | 0 tkr |
| Simon Bergström Holding AB | Älta | 0 tkr |
| SimTheory AB | Nacka | 0 tkr |
| SINDAC CONSULTING Aktiebolag | Uppsala | 0 tkr |
| Sindahl Holding AB | Nacka | 0 tkr |
| Singing Bird AB | Saltsjöbaden | 0 tkr |
| Sinsera AB | Saltsjö-Duvnäs | 0 tkr |
| Siriusvägen Invest AB | Saltsjöbaden | 0 tkr |
| Sitara Exotic furniture and homeware from the Far East AB | Saltsjöbaden | 0 tkr |
| Sitoco Holding AB | Saltsjö-Boo | 0 tkr |
| Sito Förvaltning AB | Saltsjöbaden | 0 tkr |
| Sjöab AB | Nacka | 0 tkr |
| Sjöö Kaffe AB | Älta | 0 tkr |
| Sjövägen Invest AB | Saltsjöbaden | 0 tkr |
| Sjukvårds Teknik Sweden AB | Nacka | 0 tkr |