| Nordic Digital Commerce Ltd | Wholesale & retail | 2026 |
| Nordic Fishery Co., Ltd. | Manufacturing | 2021 |
| Nordic Walking Cambridge C.I.C. | Arts & recreation | 2026 |
| Norfolk Bound Limited | Professional & scientific | 2023 |
| Norfolk Care Limited | Health & social care | 2005 |
| Norfolk Street Deli Camb Limited | Hospitality | 2026 |
| Norfolk Street Deli Limited | Hospitality | 2014 |
| Norfolk View (Watlington) Management Company Limited | Households | 2025 |
| Norframley Properties Limited | Real estate | 2021 |
| Norman Mudzingwa Limited | Health & social care | 2014 |
| Norman Software Limited | Information & communication | 2006 |
| NORPROP1 Ltd | Real estate | 2024 |
| Norse Heidenong Chemical Co., Ltd | Mining & quarrying | 2026 |
| Norse Radar Limited | Manufacturing | 2020 |
| Norsk Hainamu Chemical Industry Limited | Extraterritorial | 2024 |
| North & Island Project Design and Architectural Ltd | Construction | 2021 |
| North Cambridge Markets Ltd | Administrative & support | 2025 |
| North END Management Services Limited | Households | 2006 |
| North Ireland Xifino Group Limited | Wholesale & retail | 2024 |
| North Lake Estate Management Limited | Households | 1978 |
| North Lodge Property Limited | Real estate | 2021 |
| North Norfolk Digital Limited | Information & communication | 2020 |
| North Star 365 Ltd | Professional & scientific | 2026 |
| North Star Bikes (Transport) Ltd | Hospitality | 2017 |
| North Star Holidays Ltd | Transport & logistics | 2017 |
| North Star Opco Limited | Wholesale & retail | 2024 |
| North Terrace Properties Limited | Real estate | 2021 |
| Northcott Association of Residents Limited | Households | 1976 |
| Northdistrict Trading Ltd | Wholesale & retail | 2026 |
| Northdog Music Publishing Limited | Arts & recreation | 2006 |
| Northgate Appliances Sales Ltd | Wholesale & retail | 2020 |
| Northleach Limited | Real estate | 2025 |
| Northmore & Partners | | 1988 |
| Northmore Associates Limited | Professional & scientific | 1988 |
| Northstar Biology Ltd | Professional & scientific | 2017 |
| Northstowe (44) Limited | Real estate | 2021 |
| Northstowe Cleaning Services Limited | Administrative & support | 2025 |
| Northstowe Electrical Services Ltd | Construction | 2019 |
| Northstowe Executive Cars Ltd | Transport & logistics | 2025 |
| Northstowe Foodies CIC | Hospitality | 2026 |
| Northstowe Heating and Plumbing Ltd | Construction | 2020 |
| Northstowe TAP & Social Limited | Hospitality | 2024 |
| Norvian Tide Limited | Wholesale & retail | 2026 |
| Norway Alunda Chemicals Co., Ltd | Manufacturing | 2025 |
| Norway Belgium International Fertilizer Co., Ltd | Wholesale & retail | 2024 |
| Norway Beston Agriculture Import and Export Co., Ltd | Wholesale & retail | 2024 |
| Norway Gwatt International Group Co., Ltd | Mining & quarrying | 2026 |
| Norway Haidalu Agricultural Technology Co., Ltd | Wholesale & retail | 2025 |
| Norway Heterun Agricultural Chemical Co., Ltd | Mining & quarrying | 2025 |
| Norway Ipsen Crop Nutrition Co., Ltd | Mining & quarrying | 2026 |
| Norway Kadina Agrochemical Co., Ltd | Wholesale & retail | 2022 |
| Norway Kedano International Chemical Limited | Extraterritorial | 2025 |
| Norway Kedano International Technology Limited | Extraterritorial | 2026 |
| Norway Konpuno Crop Science Co., Ltd | Wholesale & retail | 2023 |
| Norway Kracks International Chemical Limited | Extraterritorial | 2025 |
| Norway Nara International Chemical Group Co., Ltd | Wholesale & retail | 2022 |
| Norway Nsdk Plant Nutrition Technology Limited | Extraterritorial | 2016 |
| Norway Olesti International Limited | Extraterritorial | 2024 |
| Norway Oprun International Group Co., Ltd | Mining & quarrying | 2026 |
| Norway Ranfei International Co., Ltd | Wholesale & retail | 2024 |
| Norway Saran (USA) Biotechnology Ltd | Mining & quarrying | 2021 |
| Norway Vioran Chemical Technology Limited | Extraterritorial | 2022 |
| Norway Votzraya International Co., Ltd. | Manufacturing | 2025 |
| Norway Waldgreen International Chemicals Co., Ltd | Wholesale & retail | 2025 |
| Norway Wangtong International Holdings Group Co., Ltd | Wholesale & retail | 2024 |
| Norway Wira International Agrochemical Co., Ltd | Wholesale & retail | 2022 |
| Norway Yabote Chemical Co., Ltd | Mining & quarrying | 2026 |
| Norway Yaraji International Import and Export Co., Ltd | Wholesale & retail | 2023 |
| Norway Yazheng Fertilizer Co., Ltd | Wholesale & retail | 2023 |
| Norwegian Caribbean International Chemical Co., Ltd | Mining & quarrying | 2026 |
| Norwegian Redef Chemical Co., Ltd. | Mining & quarrying | 2026 |
| Norwegian Tenran Crop Nutrition Co., Ltd | Mining & quarrying | 2026 |
| Nostos Productions Limited | Information & communication | 2011 |
| NOT Just Lawns UK Ltd | Construction | 2024 |
| NOT Quite Unicorns Ltd | Information & communication | 2023 |
| NOT YET Known Limited | Information & communication | 2025 |
| Notandor Ltd | Information & communication | 2025 |
| Noteshop Limited | Financial services | 2004 |
| Nothing Flash Limited | Information & communication | 2001 |
| Nothing IS Limited | Hospitality | 2022 |
| Notsoconceptual Ltd | Information & communication | 2022 |
| Nottingham Online Limited | Education | 2022 |
| Nova Books Cambridge Ltd | Information & communication | 2026 |
| Nova Bracha Composites Ltd | Manufacturing | 2024 |
| Nova Core Trade Limited | Wholesale & retail | 2026 |
| Nova Europa Risk Consulting Ltd | Information & communication | 2012 |
| Nova International Media Co., Ltd. | Wholesale & retail | 2025 |
| Nova Iuga Ltd | Real estate | 2024 |
| Nova Vista Psychology Ltd | Education | 2025 |
| NOVA2PAY UK Co., Ltd | Professional & scientific | 2016 |
| Novacartel Limited | Wholesale & retail | 2024 |
| Novacene GEO Services Ltd | Professional & scientific | 2024 |
| Novae Aerospace Ltd | Manufacturing | 2024 |
| Novafusion Innovations Limited | Information & communication | 2024 |
| Novahub Limited | Information & communication | 2002 |
| Novalab Technology Limited | Manufacturing | 2025 |
| Novatrek Ltd | Wholesale & retail | 2025 |
| Novaura Trade Ltd | Wholesale & retail | 2025 |
| Novedhana Limited | Real estate | 2015 |
| Novelti Ltd | Wholesale & retail | 2025 |