| Expanse AS | Information & communication | 2016 |
| Expansion Nor Ans | Administrative & support | 2001 |
| Expansive Technologies Da | Information & communication | 2002 |
| Expat Relocation AS | Administrative & support | 2023 |
| Expect Films AS | Information & communication | 2014 |
| Expedit AS | | 2025 |
| Experbuy AB | Wholesale & retail | 2013 |
| Experience AS | Information & communication | 2017 |
| Experience Production AS | Arts & recreation | 2015 |
| Experience Technology AS | Information & communication | 2025 |
| Experion AS | Information & communication | 2019 |
| Experis AS | Information & communication | 2000 |
| Experis Services AS | Information & communication | 2020 |
| Expert Analytics AS | Information & communication | 2020 |
| Expert Analytics Holding AS | Information & communication | 2019 |
| Expert Eiendoms Da | Real estate | 1992 |
| Expert Montering AS | Construction | 2018 |
| Expert Partner AS | Construction | 2020 |
| Experthuset AS | Construction | 2019 |
| Expin AS | Financial services | 2010 |
| Expiro AS | Health & social care | 2013 |
| Explain Analyze AS | Information & communication | 2026 |
| Explore Andøy AS | Transport & logistics | 2021 |
| Explore Capital AS | | 2017 |
| Explore Capital II AS | | 2021 |
| Explore Capital SPV AS | | 2023 |
| Explore Ceg Holding AS | Manufacturing | 2020 |
| Explore Equity AS | Financial services | 2015 |
| Explore Hemsedal AS | Real estate | 2021 |
| Explore My Norway Nuf | Administrative & support | 2017 |
| Explore Nova Holding AS | | 2020 |
| Explore Sales Holding AS | Professional & scientific | 2018 |
| Explore Sales Holding II AS | | 2019 |
| Explore Sri Lanka AS | Administrative & support | 2020 |
| Explore Tools AS | Professional & scientific | 2010 |
| Explore TV Holding AS | Professional & scientific | 2021 |
| Explore View Holding AS | | 2018 |
| Explore Worlds AS | Information & communication | 2020 |
| Explorer AS | | 2005 |
| Explorer Holding AS | | 2024 |
| Expo Arte AS | Wholesale & retail | 2024 |
| Expo Holding AS | Real estate | 2020 |
| Expo Nova Holding AS | Wholesale & retail | 2020 |
| Expo Nova Møbelgalleri AS | Wholesale & retail | 1995 |
| Expo Property AS | Real estate | 2019 |
| Expo Property Handel 1 AS | Real estate | 2019 |
| Expo Property Management AS | Real estate | 2024 |
| Expodisplay AS | Professional & scientific | 2004 |
| Expoform AS | Construction | 2013 |
| Expoform Eiendom AS | Real estate | 2016 |
| Expoform Prosjekt AS | Construction | 2016 |
| Expoform Utvikling AS | Real estate | 2016 |
| Expology Experience Group AS | Information & communication | 2012 |
| Exponence AS | | 2024 |
| Exponent Private Equity (Ireland) Limited Nuf | Financial services | 2023 |
| Export Finance Services AS | Professional & scientific | 1995 |
| Exposito.Pro Limited | Wholesale & retail | 2022 |
| Express AS | Administrative & support | 2018 |
| Express Eiendom Oslo AS | Real estate | 2024 |
| Express Holding AS | | 2026 |
| Express Mat Holding AS | | 2007 |
| Express Transport AS | Transport & logistics | 2021 |
| Expressen Budservice Ans | Transport & logistics | 2014 |
| Exprodat Consulting Ltd | Professional & scientific | 2013 |
| Exquisite Invest AS | | 2022 |
| Exr Holding AS | | 2024 |
| Exs AS | Manufacturing | 2010 |
| Exselo AS | Information & communication | 2014 |
| Exsitec AS | Information & communication | 2002 |
| Exsitec Clockwork AS | Information & communication | 2024 |
| Exsitec Solutions AS | Information & communication | 1999 |
| Exsitec Solutions Holding AS | Information & communication | 2016 |
| Exsitec Techhouse AS | Information & communication | 1986 |
| Extend Bytes Holding AS | | 2020 |
| Extent AS | Education | 2012 |
| Exterior AS | Administrative & support | 2026 |
| Extra Auli Senter AS | Wholesale & retail | 2026 |
| Extra Bekkestua AS | Wholesale & retail | 2026 |
| Extra Bryggen AS | Wholesale & retail | 2026 |
| Extra Consulting AS | Professional & scientific | 2023 |
| Extra Drengsrud AS | Wholesale & retail | 2026 |
| Extra Finstadjordet AS | Wholesale & retail | 2026 |
| Extra Prinsdal AS | Wholesale & retail | 2026 |
| Extra Theresesgate AS | Wholesale & retail | 2026 |
| Extra Trondheimsveien AS | Wholesale & retail | 2026 |
| Extra Vossegt. AS | Wholesale & retail | 2026 |
| Extreme Innovation Sports AS | Wholesale & retail | 2013 |
| Extreme Networks Norway AS | Wholesale & retail | 2024 |
| Extro Records AS | Information & communication | 2025 |
| Exuro Nuf | Information & communication | 2008 |
| Exxillac AS | Professional & scientific | 2026 |
| Exxon Chemical Antwerp Ethylen NV | Wholesale & retail | 1999 |
| Exxperience AS | Administrative & support | 2023 |
| Ey BMF AS | Administrative & support | 2023 |
| Ey Connect AS | Information & communication | 2023 |
| Ey Expert Associés (Frankrike) | Professional & scientific | 2016 |
| Ey Invest AS | Financial services | 2015 |
| Ey Skye Consulting AS | Information & communication | 2010 |
| Ey Test AS | Professional & scientific | 2025 |
| Eyder AS | Transport & logistics | 2022 |