| Look at Me Akersgata AS | Other services | 2021 |
| Look at Me Skøyen AS | Professional & scientific | 2008 |
| Look North AS | Financial services | 2007 |
| Lookout Retail Partner AS | Wholesale & retail | 2026 |
| Loom AS | Information & communication | 2012 |
| Loomis Foreign Exchange, Gold and Services - Norwegian Branch Nuf | Financial services | 2022 |
| Loomis Norge AS | Administrative & support | 2001 |
| Loop Academy AS | Information & communication | 2024 |
| Loop Academy Management AS | Information & communication | 2024 |
| Loop AS | Information & communication | 2017 |
| Loop Holding AS | | 2025 |
| Loop Media Norge AS | Information & communication | 2012 |
| Loop Ventures AS | | 2009 |
| LOOP24 AS | Wholesale & retail | 2016 |
| Loopely Connectivity AS | Professional & scientific | 2018 |
| Looper Textile Co. Norsk AS | Water & waste | 2024 |
| Loopfilm Productions AS | Professional & scientific | 2016 |
| Loopify AS | Information & communication | 2017 |
| Loopr AS | Transport & logistics | 2013 |
| Looptonomy AS | | 2024 |
| Loopyty AS | Information & communication | 2024 |
| Loopyz AS | Wholesale & retail | 2026 |
| Loose Teeth Da | Arts & recreation | 2025 |
| Looy Holding AS | Manufacturing | 2023 |
| Lophelia Infrastructure AS | Information & communication | 2025 |
| Lopi AS | Real estate | 2002 |
| Lopta AS | Information & communication | 2000 |
| Loqui AS | Administrative & support | 2024 |
| Lor Invest AS | Wholesale & retail | 2018 |
| Loran Beauty AS | Other services | 2025 |
| Lorang AS | Wholesale & retail | 2019 |
| Lorck Invest AS | Financial services | 2005 |
| Lordx Dominion AS | | 2025 |
| Loremaster AS | Professional & scientific | 2025 |
| Lorenhold AS | Administrative & support | 2020 |
| Lorenskog Construct AS | Construction | 2026 |
| Lorentz Gedde-Dahl Arkitekter AS | Professional & scientific | 2022 |
| Lorentz Transformation AS | Professional & scientific | 2013 |
| Lorentzen & Johnsrud AS | Wholesale & retail | 2000 |
| Lorentzen Chartering & Advisory AS | Professional & scientific | 2026 |
| Lorentzen Chartering AS | Transport & logistics | 2010 |
| Lorentzen Eiendom AS | Real estate | 2021 |
| Lorentzen Evensen Eiendom AS | Real estate | 1984 |
| Lorentzen Group AS | Professional & scientific | 2014 |
| Lorentzen Holding AS | Financial services | 2015 |
| Lorentzen Innovation AS | Financial services | 1988 |
| Lorentzen Kapital AS | | 2024 |
| Lorentzen Property AS | Real estate | 2019 |
| Lorentzens Skibs AS | Transport & logistics | 1997 |
| Lorentzens Skibs Management AS | Transport & logistics | 1970 |
| Lorenz AS | Professional & scientific | 2010 |
| Lorenz Group AS | | 2022 |
| Lorenzen Invest AS | | 2020 |
| Loreta S. Strøm Invest AS | Health & social care | 2024 |
| Lori Holding AS | | 2024 |
| Los & Co AS | Professional & scientific | 2008 |
| Los Arkitektur + Design AS | Professional & scientific | 2020 |
| Los AS | Real estate | 1993 |
| Los Brekkes Invest AS | | 2020 |
| Los Tacos Ak AS | Hospitality | 2023 |
| Los Tacos Aker Brygge AS | Hospitality | 2024 |
| Los Tacos AS | Hospitality | 2014 |
| Los Tacos Bjørvika AS | Hospitality | 2023 |
| Los Tacos Løkka AS | Hospitality | 2019 |
| Los Tacos Majorstua AS | Hospitality | 2018 |
| Los Tacos Oslo City AS | Hospitality | 2020 |
| Los Tacos Smestad AS | Hospitality | 2022 |
| Los Tacos Steen Og Strøm AS | Hospitality | 2021 |
| Los Tacos Storo AS | Hospitality | 2019 |
| Los Tacos Torggata AS | Hospitality | 2020 |
| Los Tacos Torshov AS | Hospitality | 2023 |
| Losbyveien 34 AS | Real estate | 2005 |
| Losbyveien Eiendom AS | Real estate | 2000 |
| Losjehuset Parkveien 41 a AS | Real estate | 2025 |
| Losjen Selskaps Service AS | Hospitality | 2015 |
| Lossless AS | Wholesale & retail | 2025 |
| Lostinthesauce AS | | 2025 |
| Lostm AS | Financial services | 2015 |
| Losy Company Limited | Wholesale & retail | 2021 |
| Lot Holding 2 AS | | 2025 |
| Lot Holding AS | Real estate | 2009 |
| Lot Invest AS | | 2021 |
| Loteks Vålebru AS | Real estate | 2015 |
| Lotfi Daniella Eiendom AS | Real estate | 2024 |
| Lothe Økonomisk Rådgivning AS | Professional & scientific | 2008 |
| Lotheinvest AS | Professional & scientific | 2022 |
| Lotion Invest AS | | 2021 |
| Lotma Advisory AS | Professional & scientific | 2024 |
| Lotma Holding AS | Professional & scientific | 2013 |
| Lotta Elstad AS | Arts & recreation | 2024 |
| Lotta Moéll AS | | 2025 |
| Lotte Myrseth AS | Other services | 2019 |
| Lotteri Invest AS | Arts & recreation | 2017 |
| Lotus Belle | Wholesale & retail | 2022 |
| Lotus Cars Norge AS | Wholesale & retail | 2022 |
| Lotus Drift AS | Hospitality | 2012 |
| Lotus Group AS | Wholesale & retail | 2022 |
| Lotus Holding AS | | 2025 |
| Lotus Invest AS | Financial services | 1998 |
| Lotus Trading AS | Hospitality | 2016 |