| Sandviken Stillas AS | Administrative & support | 2005 |
| Sandviken Tannlegesenter AS | Health & social care | 2012 |
| Sandviksbodene 5 AS | Real estate | 2010 |
| Sandviksbodene 6 Og 7 AS | Real estate | 2024 |
| Sandviksbodene 8 Holding AS | Real estate | 2016 |
| Sandviksboder 1 AS | Real estate | 2000 |
| Sandviksboder 3/4 AS | Real estate | 1993 |
| Sandviksboder 63 AS | Real estate | 2019 |
| Sandviksboder NR 5 Ans | Real estate | 1988 |
| Sandvikske Synergier AS | Professional & scientific | 2024 |
| Sandvikstorget Dagligvare AS | Wholesale & retail | 2016 |
| Sandvikstranden AS | Real estate | 2015 |
| Sandviksvei 55 AS | Real estate | 2013 |
| Sandviksveien 163 AS | Real estate | 1996 |
| Santos AS | Wholesale & retail | 2004 |
| Santos Road AS | | 2019 |
| Sara Crespo AS | | 2025 |
| Saragarhi AS | Financial services | 2016 |
| Sarken Invest AS | Real estate | 2008 |
| Sarpsborgveien 25 AS | Real estate | 2025 |
| Sarsch AS | | 2024 |
| Sarsia Fond III AS | Financial services | 2021 |
| Sarsia IV AS | Financial services | 2023 |
| Sarsia Management AS | Financial services | 2006 |
| Sarsia Seed AS | Financial services | 2006 |
| Sarsia Seed Fond II AS | Financial services | 2017 |
| Satreda AS | Professional & scientific | 2024 |
| Satsebrakka AS | | 2024 |
| Saturn AS | Real estate | 2003 |
| Saturn Næringseiendom Hamar AS | Real estate | 2003 |
| Saturn Næringseiendom Hordaland AS | Real estate | 2003 |
| Saturn Næringseiendom Sola AS | Real estate | 2003 |
| Saturn Næringseiendom Tromsø AS | Real estate | 2003 |
| Saturn Næringseiendom Ålesund AS | Real estate | 2003 |
| Saturn Tromsø Holding AS | Real estate | 2014 |
| Saturn Wines AS | Wholesale & retail | 2020 |
| Saturni Holding AS | Health & social care | 2022 |
| Saumfar AS | Information & communication | 2026 |
| Sav Invest AS | Financial services | 2011 |
| Savanna Norge AS | Wholesale & retail | 2020 |
| Savvy AS | Information & communication | 2020 |
| Savvy Holding AS | Information & communication | 2024 |
| Savy AS | Real estate | 2011 |
| Sawatdee-Haveland AS | Hospitality | 2017 |
| Sawicon AS | Professional & scientific | 1997 |
| SB & SP Rådgivning AS | Financial services | 2022 |
| SB 1 Holding AS | Real estate | 2020 |
| SB Fysioterapi & Trening AS | Health & social care | 2023 |
| SB Technologies AS | Information & communication | 2026 |
| SBG AS | Hospitality | 2017 |
| Sbhi Invest AS | Real estate | 2005 |
| Sbs-Gruppen Ans | Wholesale & retail | 2010 |
| SC Fund AS | Information & communication | 2006 |
| SC Fund Holding AS | Information & communication | 2012 |
| Scaffbon AS | Professional & scientific | 2023 |
| Scala Holding AS | Real estate | 2006 |
| Scala Trening AS | Arts & recreation | 2006 |
| Scale Aquaculture Software AS | Information & communication | 2023 |
| Scan Imaging AS | Wholesale & retail | 1998 |
| Scan-Shipping Bergen AS | Transport & logistics | 2000 |
| Scandic Multiservice AS | Hospitality | 2023 |
| Scandinavian Air Charter AS | Transport & logistics | 2024 |
| Scandinavian Electric Aviation AS | Transport & logistics | 2024 |
| Scandinavian Investment AS | | 2006 |
| Scandinavian Islander Da | Hospitality | 2021 |
| Scandinavian Seaplane Training AS | Education | 2019 |
| Scandinavian Seaplanes Aoc AS | Transport & logistics | 2020 |
| Scandinavian Seaplanes AS | Transport & logistics | 2016 |
| Scanmar Maritime Services Inc | Administrative & support | 2013 |
| Scantrol AS | Professional & scientific | 1987 |
| Scantrol Deep Vision AS | Professional & scientific | 1996 |
| Scarpa Eiendom AS | Real estate | 2007 |
| Scary Weather AS | Information & communication | 2018 |
| Scenekontoret AS | Arts & recreation | 2013 |
| Scenekunstklinikken AS | Health & social care | 2022 |
| Scheiendom AS | Real estate | 2019 |
| Schibsted Magasiner AS | Information & communication | 2006 |
| Schirocco Holding AS | Real estate | 2005 |
| Schistad AS | Professional & scientific | 2019 |
| Schumann Pianoverksted AS | Other services | 2016 |
| Schweigårds Vei AS | Real estate | 2014 |
| Schweigårdsvei 9 AS | Real estate | 1998 |
| Scisly Søreide AS | Real estate | 2008 |
| SCN - Seaplane Charters North AS | Administrative & support | 2019 |
| Scott Frisør AS | Other services | 2021 |
| Screenresort Holding AS | Professional & scientific | 2017 |
| SDH Holding AS | | 2025 |
| SDK Shipping AS | Transport & logistics | 2017 |
| SE Maritime Projects AS | Transport & logistics | 2024 |
| Se-Arkitektur AS | Professional & scientific | 2004 |
| Se-Es AS | Professional & scientific | 2006 |
| Sea & Land Security AS | Administrative & support | 2024 |
| Sea Tank Chartering AS | Transport & logistics | 2002 |
| Sea Tank Shipping AS | Transport & logistics | 2006 |
| Sea-Cargo Agencies AS | Transport & logistics | 2002 |
| Seabee AS | Information & communication | 2002 |
| Seaberry AS | | 2024 |
| Seabird Exploration AS | | 2025 |
| Seabird Exploration Norway AS | Transport & logistics | 1996 |
| Seabird Exploration PLC Nuf | Transport & logistics | 2014 |