| North Group EOT Trustee Company Limited | Financial services | 2025 |
| North Home Services Ltd | Construction | 2019 |
| North Linn Limited | Professional & scientific | 2015 |
| North Lodge Ardo Developments Limited | Construction | 2015 |
| North Move Aberdeen Ltd | Transport & logistics | 2025 |
| North of Scotland Ice Company Limited | Professional & scientific | 1932 |
| North of the Wall Catering & Events Ltd | Hospitality | 2023 |
| North of the Wall Group Ltd | Hospitality | 2026 |
| North Sea 3D Ltd | Manufacturing | 2016 |
| North Sea Analytics Ltd | Information & communication | 2026 |
| North Sea Anchors Ltd | Manufacturing | 2025 |
| North Sea Cables Limited | Extraterritorial | 2003 |
| North Sea Communication Ltd | Information & communication | 2020 |
| North Sea Compactors Limited | Other services | 1983 |
| North Sea Core C.I.C. | Other services | 2020 |
| North Sea Energy Services Limited | Manufacturing | 2017 |
| North Sea Fabrication Ltd | Manufacturing | 2025 |
| North Sea Facilities Ltd | Construction | 2023 |
| North Sea Gold Standard Ltd | Manufacturing | 2023 |
| North Sea Lifting Limited | Other services | 1989 |
| North Sea Offshore Geology Limited | Professional & scientific | 1988 |
| North Sea Projects Ltd. | Professional & scientific | 1998 |
| North Silver Street Investments Limited | Real estate | 2011 |
| North SV Limited | Extraterritorial | 1999 |
| North West Frontier (Travel Consultants) Limited | Administrative & support | 1999 |
| North West Trawls Ltd | Agriculture & fishing | 2026 |
| North-East PM Services Limited | Administrative & support | 2025 |
| Northcote Services Limited | Construction | 2001 |
| Northeast Sources Ltd | Wholesale & retail | 2023 |
| Northeastgold Ltd | Wholesale & retail | 2025 |
| Northerm Insulation Engineers Limited | Other services | 1987 |
| Northern Apartment Aberdeen Ltd | Hospitality | 2024 |
| Northern Arts Club | Arts & recreation | 2016 |
| Northern Engineering Works Limited | Manufacturing | 1996 |
| Northern Express Scotland Ltd | Transport & logistics | 2022 |
| Northern Forest Limited | Administrative & support | 2003 |
| Northern Frights Ltd | Professional & scientific | 2022 |
| Northern Heights Scaffolding (Aberdeen) Limited | Construction | 2022 |
| Northern Isles Freightways Limited | Transport & logistics | 1981 |
| Northern Jewellery Ltd | Wholesale & retail | 2020 |
| Northern Lights (Edinburgh) Limited | Real estate | 2024 |
| Northern Lights Healthcare Ltd | Health & social care | 2025 |
| Northern Quarry Products Limited | Manufacturing | 2020 |
| Northern Sporting Club Ltd | Arts & recreation | 2017 |
| Northern Sporting Events Ltd | Arts & recreation | 2017 |
| Northern Supply and Services Ltd | Professional & scientific | 2026 |
| Northern Tech Ltd | Information & communication | 2026 |
| Northern Trading and Freight Ltd | Wholesale & retail | 2025 |
| Northernlightfish Ltd | Hospitality | 2025 |
| Northlasts Ltd | Agriculture & fishing | 2018 |
| Northpine 2 Ltd | Other services | 2024 |
| Northpine 3 Ltd | Other services | 2024 |
| Northpine Group Ltd | Professional & scientific | 2025 |
| Northpine Ltd | Construction | 2019 |
| Northport Technologies Limited | Information & communication | 2007 |
| Northshore Field Services Limited | Professional & scientific | 2026 |
| Northside Local Ltd | Agriculture & fishing | 2025 |
| Northstar Commerce Enterprise Ltd | Wholesale & retail | 2026 |
| Northstone Advisers Ltd | Professional & scientific | 2019 |
| Northwall Services Limited | Information & communication | 2014 |
| Northwind Healthcare Ltd | Health & social care | 2023 |
| Norton Centre (Aberdeen) Limited | Real estate | 2019 |
| Norton Centre Car Parks (Aberdeen) Limited | Real estate | 2019 |
| Nortruck Services Limited | Wholesale & retail | 1984 |
| Norvikclothing Ltd | Wholesale & retail | 2026 |
| Norward Properties Limited | Real estate | 1992 |
| Norwegian Offshore Rental Ltd. | Administrative & support | 2019 |
| Norwell Limited | Real estate | 1986 |
| Noskab Limited | Extraterritorial | 2003 |
| Notable Songs Limited | Information & communication | 2000 |
| Nourah Partners Limited | Financial services | 2025 |
| Nourish Health & Wellbeing Limited | Health & social care | 2016 |
| NOV Holding UK 1 Limited | Professional & scientific | 2021 |
| NOV Holding UK 2 Limited | Professional & scientific | 2021 |
| NOV Intelliserv UK Limited | Manufacturing | 2011 |
| Nova Records Limited | Information & communication | 2025 |
| Nova Rise Global Ltd | Wholesale & retail | 2025 |
| Novabiotics Consumer Health Limited | Wholesale & retail | 2024 |
| Novabiotics Limited | Professional & scientific | 2004 |
| Novacrest Facilities Management Ltd | Administrative & support | 2026 |
| Novadent Business Solutions Ltd | Information & communication | 2026 |
| Novaforge Studios Ltd | Information & communication | 2026 |
| Novalex Properties Ltd | Real estate | 2025 |
| Novohearth Limited | Construction | 2025 |
| Novusvia Health Ltd | Health & social care | 2025 |
| Novusvia Ltd | Financial services | 2025 |
| Novusvia Realty Ltd | Construction | 2025 |
| Novusvia Tech Ltd | Information & communication | 2025 |
| NOX Group Ltd | Real estate | 2020 |
| NPG Projects Ltd | Real estate | 2025 |
| NR Investments Limited | Hospitality | 2014 |
| NRG Consultancy Limited | Mining & quarrying | 2008 |
| NRG Group Holdings Limited | Administrative & support | 2018 |
| NRG Holdings Limited | Professional & scientific | 2007 |
| NRG Well Examination Ltd | Mining & quarrying | 1998 |
| NRG Well Management Limited | Mining & quarrying | 2007 |
| NS Seventeen Ltd | Wholesale & retail | 2019 |
| Nsdbg Limited | Health & social care | 2018 |
| Nses Holdings Limited | Financial services | 2022 |
| Nsip (GKA) Limited | Transport & logistics | 2006 |