| North Sea Systems Ltd | Professional & scientific | 2012 |
| North Tower Services Limited | Administrative & support | 2023 |
| NORTH3RN Ltd | Information & communication | 2021 |
| Northeast Technology Ltd | Information & communication | 2022 |
| Northern Hoarder Limited | Wholesale & retail | 2024 |
| Northey Ltd. | Manufacturing | 2005 |
| Northey Tech Ltd | Manufacturing | 2022 |
| Northfield (South West) Limited | Real estate | 2013 |
| Northfield Business Management Limited | Professional & scientific | 2021 |
| Northleigh Developments Ltd | Construction | 2022 |
| Northridge Westbourne Ltd | Households | 2022 |
| Northwood (Assets) Ltd | Real estate | 2002 |
| Northwood Estates Ltd | Real estate | 2022 |
| Norton Developments (Southern) Ltd | Construction | 2020 |
| Norton Grange Management Limited | Households | 1984 |
| Norton Lodge RTM Limited | Households | 2009 |
| Norwich Management Limited | Households | 1988 |
| Nosotros Consulting Limited | Professional & scientific | 2014 |
| NOT Athletes Ltd | Information & communication | 2026 |
| NOT SO Bland Properties Ltd | Real estate | 2026 |
| Notaduck Ltd | Information & communication | 2024 |
| Note Digital Ltd | Information & communication | 2014 |
| Notorious Features Limited | Information & communication | 2014 |
| Notting Hill Media Limited | Administrative & support | 2000 |
| Notus Digital Ltd | Information & communication | 2024 |
| Noufal Digital Ltd | Wholesale & retail | 2026 |
| Nouran Ltd | Wholesale & retail | 2021 |
| Nourishursoul Ltd | Extraterritorial | 2025 |
| Nov'Max Keratin Limited | Wholesale & retail | 2011 |
| Nova 133 LLP | | 2024 |
| Nova 134 LLP | | 2024 |
| Nova 135 LLP | | 2024 |
| Nova 136 LLP | | 2024 |
| Nova 25 LLP | | 2011 |
| Nova Airfield 108 LLP | | 2018 |
| Nova Ampress 86 LLP | | 2019 |
| Nova Animal ST Ives 129 LLP | | 2024 |
| Nova ASK 29 LLP | | 2012 |
| Nova Athletics Cheerleading Ltd | Arts & recreation | 2024 |
| Nova Axminster 111 LLP | | 2021 |
| Nova Banstead 63 LLP | | 2016 |
| Nova Barton 84 LLP | | 2019 |
| Nova Berkeley 117 LLP | | 2023 |
| Nova BIA 77 LLP | | 2018 |
| Nova Brislington 96 LLP | | 2020 |
| Nova Broadmead 44 LLP | | 2014 |
| Nova Brockenhurst 125 LLP | | 2024 |
| Nova Cardiff ARP 127 LLP | | 2024 |
| Nova Castle 40 LLP | | 2014 |
| Nova Chandler 90 LLP | | 2019 |
| Nova Charlotte 98 LLP | | 2020 |
| Nova Cheltenham 73 LLP | | 2017 |
| Nova Chichester 45 LLP | | 2014 |
| Nova Chippenham 55 LLP | | 2016 |
| Nova Christchurch 43 LLP | | 2014 |
| Nova Clifton 93 LLP | | 2019 |
| Nova Consumables Ltd | Wholesale & retail | 2022 |
| Nova Cotlands 53 LLP | | 2016 |
| Nova Cowes 111 LLP | | 2021 |
| Nova Crew 33 LLP | | 2012 |
| Nova Crownmead 27 LLP | | 2011 |
| Nova Croydon 49 LLP | | 2015 |
| Nova Dance Co Ltd | Arts & recreation | 2026 |
| Nova Downton 102 LLP | | 2021 |
| Nova Dulverton 87 LLP | | 2019 |
| Nova East 35 LLP | | 2013 |
| Nova East Cliff 59 LLP | | 2016 |
| Nova Eastbourne 99 LLP | | 2021 |
| Nova Exeter 41 LLP | | 2014 |
| Nova Exion 79 LLP | | 2018 |
| Nova Farlington 120 LLP | | 2021 |
| Nova Ferndown 126 LLP | | 2024 |
| Nova Firepool 30 LLP | | 2012 |
| Nova Fontwell 123 LLP | | 2023 |
| Nova Friary 75 LLP | | 2017 |
| Nova Fulcrum 71 LLP | | 2017 |
| Nova Harbourside 70 LLP | | 2017 |
| Nova Harrow 47 LLP | | 2015 |
| Nova Hatch 82 LLP | | 2018 |
| Nova Headlands 122 LLP | | 2023 |
| Nova Hexagon 80 LLP | | 2018 |
| Nova High Street Lymington 105 LLP | | 2021 |
| Nova Holden 54 LLP | | 2016 |
| Nova Horsefair 62 LLP | | 2016 |
| Nova Jubilee 119 LLP | | 2023 |
| Nova Launceston 104 LLP | | 2021 |
| Nova Lemana 92 LLP | | 2019 |
| Nova Lymington 50 LLP | | 2015 |
| Nova MAX 1 LLP | | 2018 |
| Nova Multipla 1 LLP | | 2016 |
| Nova OCR 67 LLP | | 2016 |
| Nova Padstow 112 LLP | | 2019 |
| Nova Parkway 78 LLP | | 2018 |
| Nova Peeler 61 LLP | | 2016 |
| Nova Point 39 LLP | | 2013 |
| Nova Priory 64 LLP | | 2017 |
| Nova Quay 42 LLP | | 2014 |
| Nova RWB 95 LLP | | 2019 |
| Nova S C 56 LLP | | 2016 |
| Nova Salisbury 46 LLP | | 2015 |