| Seaborn AS | Wholesale & retail | 2001 |
| Seacap AS | Professional & scientific | 2024 |
| Seafood Communication AS | Professional & scientific | 2018 |
| Seafood Growth Projects AS | Professional & scientific | 2020 |
| Seafood People AS | Professional & scientific | 2015 |
| Seafood People Events AS | Administrative & support | 2023 |
| Seagrow AS | Professional & scientific | 2021 |
| Sealant AI AS | Information & communication | 2025 |
| Sealant Holdings AS | | 2026 |
| Seasecure AS | Information & communication | 2011 |
| Seaside Seagull AS | | 2013 |
| Seasmart AS | Professional & scientific | 2015 |
| Seaspray AS | | 2024 |
| Seawalk AS | Manufacturing | 2010 |
| Seawalk Mobility AS | Administrative & support | 2019 |
| Seb Invest AS | Financial services | 2014 |
| Sebastian Kvalheim Holding AS | | 2021 |
| Sebrie AS | | 2021 |
| Sebrie I AS | | 2026 |
| Secbase AS | Information & communication | 2016 |
| Secco AS | Transport & logistics | 1997 |
| Secundus AS | Real estate | 2010 |
| Secundus Forvaltning AS | Real estate | 2003 |
| Segadal Kraft AS | Energy | 2020 |
| Segla Capital AS | | 2023 |
| Segltangen Utbygging AS | Real estate | 2019 |
| Sehl Holding AS | Real estate | 2012 |
| Sehv Invest AS | | 2022 |
| Seib AS | Real estate | 2005 |
| Seie AS | Administrative & support | 2007 |
| Seiersbjerget Holding AS | Real estate | 2017 |
| Seif Holding AS | | 2025 |
| Seimprocedure AS | Health & social care | 2025 |
| Seisanalysis AS | Professional & scientific | 2017 |
| Seki Invest AS | Real estate | 2021 |
| Sekk Invest AS | Financial services | 2005 |
| Seljelia SA | Real estate | 1989 |
| Selle Talks AS | Professional & scientific | 2022 |
| Selma Invest AS | Financial services | 2013 |
| Selma Maru AS | Transport & logistics | 2026 |
| Selselva Kraft AS | Energy | 2010 |
| Selskabet Til Arbeiderboligers Opførelse I Bergen AS. | Real estate | 1853 |
| Selskap Aksje Aksjeselskap | Information & communication | 2023 |
| Selskapet AS | | 2020 |
| Selvråderetten AS | Professional & scientific | 2024 |
| Sema Invest AS | Wholesale & retail | 2016 |
| Sembom Holding AS | Arts & recreation | 2018 |
| Semsem Sletten Garn Og Hobby AS | Wholesale & retail | 2026 |
| Sen & Son Arkitekter Ans | Professional & scientific | 1999 |
| Sena Creative AS | Professional & scientific | 2025 |
| Senior Dev AS | Administrative & support | 2014 |
| Seniorene AS | Other services | 2016 |
| Senneps AS | | 2013 |
| Sensa AS | Information & communication | 2023 |
| Sensar Marine Norway AS | Professional & scientific | 2023 |
| Sense Psykologi Og Konsulenttjenester AS | Health & social care | 2014 |
| Senses Spa AS | Other services | 2018 |
| Senseteq AS | Information & communication | 2020 |
| Sensonomic AS | Information & communication | 2015 |
| Sensor Globe Norway AS | Information & communication | 2020 |
| Sensorlab AS | Information & communication | 2018 |
| Sensum Kompetanse AS | Professional & scientific | 2017 |
| Sensus Software AS | Information & communication | 2024 |
| Senter for Arbeidslivsforberedelse Alf AS | Health & social care | 1999 |
| Senter for Klassisk Homeopati Da | Health & social care | 2019 |
| Senter for Personlig Utvikling AS | Health & social care | 2022 |
| Senterdrift Bergen AS | Real estate | 2001 |
| Sentertrykk AS | Manufacturing | 1977 |
| Sentralbadet AS | Arts & recreation | 2025 |
| Sentralbadet Kontorpåbygg AS | Real estate | 2023 |
| Sentraltind AS | Real estate | 2015 |
| Sentrum Bingo AS | Arts & recreation | 1994 |
| Sentrum Dental Ans | Health & social care | 2006 |
| Sentrum Holding AS | Other services | 1998 |
| Sentrum Hybel AS | Real estate | 2017 |
| Sentrum Reisemedisin AS | Health & social care | 2003 |
| Sentrum Suitellene Bergen AS | Real estate | 2013 |
| Sentrum Sykkelverksted Bergen AS | Wholesale & retail | 2024 |
| Sentrumgolf AS | Arts & recreation | 2025 |
| Sentrumsadvokaten AS | Professional & scientific | 2024 |
| Sentrumslegene AS | Health & social care | 2007 |
| Seo Engineering AS | Professional & scientific | 2020 |
| Seo Holding AS | | 2020 |
| Seph AS | Real estate | 2014 |
| Septem Eiendom AS | Real estate | 2025 |
| Ser AS | Financial services | 2016 |
| Ser Entreprenør AS | Mining & quarrying | 2021 |
| Serac AS | Financial services | 1997 |
| Service Kompaniet AS | Other services | 2003 |
| Service Pisani AS | Other services | 2015 |
| Servix Bergen AS | Administrative & support | 2003 |
| Ses Consult AS | Health & social care | 2008 |
| Sese Invest AS | | 2020 |
| Sesikar Holding AS | | 2025 |
| Sesum AS | Information & communication | 2026 |
| Sesåklart AS | Education | 2020 |
| Sevan Deepwater Technology AS | Professional & scientific | 2017 |
| Sfcompliance AS | Financial services | 2018 |
| SFG Supply AS | Wholesale & retail | 2023 |
| Sgo Holding AS | Professional & scientific | 2020 |