| Lifeline Pharma Transit AS | Wholesale & retail | 2023 |
| Lifeofalf Invest AS | | 2025 |
| Lifestages AS | Information & communication | 2011 |
| Lifex Norway AS | Real estate | 2023 |
| Lifi Holding AS | Health & social care | 2005 |
| Liflig AS | Information & communication | 2020 |
| Lift Estate AS | Professional & scientific | 2021 |
| Lifted AS | Professional & scientific | 2024 |
| Lifters Utopia AS | Wholesale & retail | 2023 |
| Liftmos Consulting Lta Nuf | Professional & scientific | 2023 |
| Liga Blid AS | Wholesale & retail | 2016 |
| Ligawa Invest AS | | 2025 |
| Ligera AS | Wholesale & retail | 2022 |
| Light & Speed AS | Information & communication | 2026 |
| Light Fontaine AS | | 2022 |
| Light My Fire Norway Nuf | Wholesale & retail | 2016 |
| Light Pear AS | Information & communication | 2025 |
| Light Structures AS | Manufacturing | 2001 |
| Lightbringer AS | | 2024 |
| Lightbulb AS | Financial services | 2018 |
| Lightbulb Socket AS | Information & communication | 2022 |
| Lightbulb Solutions AS | Information & communication | 2022 |
| Lighthouse Capital Management AS | | 2021 |
| Lighthouse Chartering Europe AS | Transport & logistics | 2017 |
| Lighthouse Consulting AS | Information & communication | 2020 |
| Lighthouse Finance AS | Professional & scientific | 2013 |
| Lighthouse Reef AS | Financial services | 2011 |
| Lighthouse Works AS | Professional & scientific | 2012 |
| Lightit AS | Arts & recreation | 2024 |
| Lightship Chartering (Oslo) AS | Transport & logistics | 2015 |
| Lightside Instruments AS | Manufacturing | 2019 |
| Lightsource Film Production AS | Information & communication | 2011 |
| Lightspeed Pos (Norway Branch) | Administrative & support | 2017 |
| Lightswim AS | Education | 2025 |
| Lightswim Drift AS | Arts & recreation | 2026 |
| Lightware Norway AS | Wholesale & retail | 2022 |
| Ligl Advokater AS | Professional & scientific | 2024 |
| Ligl IP Consult AS | Professional & scientific | 2019 |
| Lignage AS | | 2024 |
| Ligner & Caprino Holding AS | Information & communication | 2023 |
| Ligra AS | Real estate | 2006 |
| Ligus Da | Administrative & support | 2003 |
| Lih Holding AS | Professional & scientific | 2016 |
| Lihesc Holding AS | | 2023 |
| Liholm AS | Arts & recreation | 2016 |
| Liis.Com AS | Administrative & support | 2023 |
| Liisberg Invest AS | | 2023 |
| Lijo Holding AS | | 2025 |
| Liju Invest AS | Real estate | 2015 |
| Likr AS | Real estate | 1976 |
| Likuski AS | | 2025 |
| Lilalife AS | Health & social care | 2017 |
| Lilasol AS | | 2023 |
| Lileng Eiendom AS | Construction | 2026 |
| Lili Frisør AS | Other services | 2022 |
| Lilie Kiropraktikk & Massasje AS | Health & social care | 2025 |
| Liljaholding AS | | 2022 |
| Lilje Eiendom AS | Real estate | 2024 |
| Liljeblad AS | Professional & scientific | 2018 |
| Liljeblad Consulting AS | Wholesale & retail | 2022 |
| Liljen Samvirke SA | Health & social care | 2017 |
| Lill Invest AS | Financial services | 2015 |
| Lill Jakobsen Consulting AS | Professional & scientific | 2026 |
| Lill-Ann Invest AS | Real estate | 2006 |
| Lilla AS | Hospitality | 2025 |
| Lillagorilla AS | Construction | 2022 |
| Lillan Hvam Sivilarkitekt Mnal Npa AS | Professional & scientific | 1999 |
| Lille Amerika AS | Hospitality | 2020 |
| Lille Amerika Bislett AS | Hospitality | 2021 |
| Lille Amir Frisør AS | Other services | 2021 |
| Lille April AS | | 2023 |
| Lille Arkana AS | Wholesale & retail | 2024 |
| Lille Bamsebo - Sio Barnehage AS | Education | 2022 |
| Lille Berlin AS | Arts & recreation | 2020 |
| Lille Bislett - Sio Barnehage AS | Education | 2022 |
| Lille Borgen AS | Real estate | 2015 |
| Lille Butikk Ans | | 1990 |
| Lille Dagligvare AS | Wholesale & retail | 2024 |
| Lille Drift AS | Wholesale & retail | 2024 |
| Lille Energi AS | Professional & scientific | 2015 |
| Lille Eyolf AS | Professional & scientific | 2022 |
| Lille Flatland AS | Arts & recreation | 2013 |
| Lille Frogner 5 B AS | Real estate | 2022 |
| Lille Frogner Alle Partner AS | Real estate | 2023 |
| Lille Frogner Allé 8A AS | Real estate | 2018 |
| Lille Frogner AS | Professional & scientific | 2010 |
| Lille Frøen Tennisbane Ans | Arts & recreation | 2005 |
| Lille Grensen 5 AS | Real estate | 2012 |
| Lille Grensen 7 AS | Real estate | 2016 |
| Lille Grensen Legesenter AS | Health & social care | 2001 |
| Lille Grensen Sko AS | Wholesale & retail | 1992 |
| Lille Grensen Specsavers AS | Wholesale & retail | 2022 |
| Lille Grensen Tannklinikk AS | Health & social care | 2015 |
| Lille Grønland Urtehagen Barnehager AS | Education | 2022 |
| Lille Grønnegata 2 AS | Real estate | 2017 |
| Lille Hov AS | Real estate | 2013 |
| Lille Jacob 2 AS | Hospitality | 2023 |
| Lille Jacob AS | Wholesale & retail | 2019 |
| Lille Kantor AS | Real estate | 2020 |
| Lille Lab AS | Other services | 2018 |