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| Abc Utleie Norge AS | Årnes | 2022 |
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| Abel Equity AS | Fetsund | 2023 |
| Abelon Technology AS | Kristiansand S | 2007 |
| Abersea Engineering Limited | Aberdeen Ab12 3Lf Scotland | 2016 |
| Abetong AB | Se-352 36 Växjö | 2016 |
| Abg Scandinavia Holdings AS | Asker | 2014 |
| Abh Invest AS | Gamle Fredrikstad | 2020 |
| Abh Solutions AS | Harestua | 2024 |
| Ability FM AS | Laksevåg | 1976 |
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| Ability Management AS | Laksevåg | 2006 |
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| Abl Gruppen AS | Melhus | 2025 |
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| Abm Service AS | Søgne | 2023 |
| Abmm AS | Svartskog | 2023 |
| Abn Holding AS | Kongsvinger | 2023 |
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| Above N' Below AS | Stord | 2026 |
| Abp Fjernvarme AS | Oslo | 2022 |
| Abpark Og Veivedlikehold AS | Lommedalen | 2019 |
| Abs Fremover AS | Ulset | 2018 |
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| Absolut Racing Ans | Nes På Hedmarken | 2001 |
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| Absolutt Holding AS | Laksevåg | 2017 |
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| Absurd Aviation AS | Stavanger | 2021 |
| Abt Anleggsgartner AS | Nissedal | 2005 |
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| Acanthus Eiendom AS | Bekkestua | 2003 |
| Accardo AS | Sandvika | 2021 |
| Accelerate Brands AS | Lysaker | 2002 |
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| Accenture (Finland) | Lysaker | 1998 |
| Accenture (Frankrike) | Lysaker | 1997 |
| Accenture (Irland) | Dublin 2 | 2000 |
| Accenture (Nederland) | 1077Bg Amsterdam | 2000 |
| Accenture (Singapore) | Singapore 079903 | 2006 |
| Accenture (South Africa) | Za-2054 Kelvin | 2016 |
| Accenture (Sveits) | Ch-8001 Zurich | 1995 |
| Accenture (UK) | Manchester M22 5Nr England | 1998 |
| Accenture (USA) | Chicago Illinois 60603 | 1998 |
| Accenture Communications Infrastructure Solutions Ltd | Bd-Dhaka 1215 | 2014 |
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| Accenture Inc Canada | Lysaker | 2008 |
| Accenture India Private Ltd | Mumbai 400 072 | 2002 |
| Accenture Italia Spa | It-2 Cap 20121 | 2002 |
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| Accenture KFT (Ungarn) | Lysaker | 2003 |
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| Accenture S.A. (Greece) | Gr-14564 Kifissia | 2013 |
| Accenture SA (Belgia) | Lysaker | 2007 |
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| Accenture Services Sro | Cz-120 00 Praha 2 | 2003 |
| Accenture SL (Spania) | Es-28020 Madrid | 2004 |
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| Accept Försäkringsaktiebolag Nuf | Se-167 51 Bromma | 2026 |
| Accept Service Partner AS | Lierstranda | 1993 |
| Access Adventures AS | Lysaker | 2002 |
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| Access Event AS | Lysaker | 2007 |
| Access Innovation AS | Bjørndalstræ | 2007 |
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| Accord Business Partnerships Limited | Aberdeen Ab11 5Bs Scotland | 2015 |
| Accoucheur Holding AS | Sandefjord | 2015 |
| Accountor Credit AS | Sortland | 1999 |
| Accountor Credit Group AS | Sortland | 2006 |
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| Ace Security AS | Askim | 2019 |
| Acfp AS | Lysaker | 2005 |
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| Acroboat AS | Silsand | 2023 |
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