| North Kent PUB Co Ltd | Hospitality | 2018 |
| North Kilworth Carpets and Beds Limited | Wholesale & retail | 2017 |
| North London Commercial Vehicles Ltd | Wholesale & retail | 2015 |
| North Star Kingdom Ltd | Hospitality | 2022 |
| North West London Ltd | Real estate | 2020 |
| North Wood Entertainment Ltd | Information & communication | 2022 |
| Northampton Gastroenterology Ltd | Health & social care | 2013 |
| Northbrook Development Consultants Ltd | Construction | 2025 |
| Northbrook Homes Limited | Health & social care | 2005 |
| Northbrook Lettings Limited | Real estate | 2018 |
| Northbrook Property Group Limited | Real estate | 2026 |
| Northbrook Trading Limited | Construction | 2017 |
| Northbrook Two Ltd | Real estate | 2019 |
| Northfields Enterprise Ltd. | Wholesale & retail | 2011 |
| Northfleet Supermarket Ltd | Wholesale & retail | 2018 |
| Northlane Enterprise Limited | Wholesale & retail | 2024 |
| Northport FPR Limited | Real estate | 2016 |
| Northport Horn 1 Limited | Real estate | 2022 |
| Northport Horn Limited | Real estate | 2020 |
| Northport Horn RVL Limited | Real estate | 2023 |
| Northport Lochaline Limited | Real estate | 2015 |
| Northport Property Limited | Real estate | 2013 |
| Northport Property Management Limited | Real estate | 2013 |
| Northstar Healthcare Consultancy Limited | Health & social care | 2026 |
| Northstone Partners and Solutions Ltd | Administrative & support | 2024 |
| Northstone Partners Ltd | Construction | 2024 |
| Northwest Project Consulting Ltd | Professional & scientific | 2025 |
| Norton PK Ltd | Real estate | 2021 |
| Norules Network Ltd | Wholesale & retail | 2025 |
| Norwich Bakes Limited | Wholesale & retail | 2025 |
| Norwich SUB Ltd | Hospitality | 2013 |
| Norwood Security Services Ltd | Administrative & support | 2023 |
| Norzo Trading Ltd | Construction | 2022 |
| Nosh London Ltd. | Wholesale & retail | 2015 |
| Nosho PAK Halal Meat Ltd | Wholesale & retail | 2017 |
| Noshtraders Ltd | Wholesale & retail | 2025 |
| Noss Industries Ltd | Wholesale & retail | 2022 |
| Noss Properties Ltd | Real estate | 2019 |
| Nosurge Ride Limited | Administrative & support | 2026 |
| NOT Another Salon Ltd | Other services | 2015 |
| NOT Just Sport Limited | Education | 2018 |
| Notava Global Limited | Wholesale & retail | 2025 |
| Notesation Ltd | Wholesale & retail | 2026 |
| Notts Bubble Tea Ltd | Hospitality | 2024 |
| Notts GK Ltd | Hospitality | 2025 |
| NOU Vogue Technologies Ltd | Wholesale & retail | 2024 |
| Nounsa Ltd | Construction | 2025 |
| Nour DIN Suppliers Ltd | Wholesale & retail | 2024 |
| Nour Meat Shop Ltd | Wholesale & retail | 2021 |
| Noushify Ltd | Wholesale & retail | 2026 |
| Nouvelle Cuisine Limited | Hospitality | 2024 |
| Nova AI Labs Ltd | Professional & scientific | 2026 |
| Nova Associated Group Ltd | Transport & logistics | 2020 |
| Nova Creations Ltd | Wholesale & retail | 2019 |
| Nova Decore Ltd | Wholesale & retail | 2025 |
| Nova Hair Academy Ltd | Education | 2025 |
| Nova Health Studio Ltd | Health & social care | 2025 |
| Nova Legal Services Limited | Professional & scientific | 2012 |
| Nova Point Group Limited | Construction | 2025 |
| Nova Pro Vision Cleaning Services Ltd | Administrative & support | 2020 |
| Nova Rossa Ltd | Wholesale & retail | 2020 |
| Nova Sewing Machines Limited | Wholesale & retail | 1986 |
| Nova Sign Ltd | Extraterritorial | 2025 |
| Novacore Software Solutions Ltd | Information & communication | 2024 |
| Novadigm Limited | Health & social care | 2023 |
| Novagreen Energy Ltd | Construction | 2025 |
| Noval Properties Limited | Real estate | 2014 |
| Novaline Ltd | Wholesale & retail | 2026 |
| Novara Premier Chauffeurs Limited | Transport & logistics | 2025 |
| Novaret Limited | Wholesale & retail | 2017 |
| Novarisai Ltd | Information & communication | 2025 |
| Novarock Ltd | Information & communication | 2022 |
| Novastreammax Ltd | Extraterritorial | 2025 |
| Novatra Fashion Designer Limited | Wholesale & retail | 2025 |
| Novavista Digital Media Ltd | Professional & scientific | 2025 |
| Novella Management Company Limited | Extraterritorial | 2026 |
| Novelty Foods Limited | Wholesale & retail | 2000 |
| Novelty Goods Ltd | Wholesale & retail | 2024 |
| Novgear Ltd | Wholesale & retail | 2025 |
| Novi Properties Ltd | Real estate | 2023 |
| Novi SAM Ltd | Wholesale & retail | 2026 |
| Novique Ltd | Wholesale & retail | 2024 |
| Novmetan Ltd | Construction | 2023 |
| Novocrown Limited | Real estate | 2014 |
| Novus Altair Limitation Sky Limited | Information & communication | 2023 |
| Novus Leisure Limited | Hospitality | 2009 |
| Novuspark Ltd | Administrative & support | 2024 |
| NOW Medicals OHS Ltd | Health & social care | 2020 |
| NOW Peri Peri Limited | Hospitality | 2012 |
| NOW Revenue Ltd | Information & communication | 2015 |
| Nozbo Jewelry Ltd | Wholesale & retail | 2024 |
| NP Capital Holdings Ltd | Wholesale & retail | 2026 |
| NP1 Ltd | Other services | 2014 |
| Npbc Ltd | Construction | 2023 |
| NPH Plumbing Ltd | Wholesale & retail | 2017 |
| NPL Construction Ltd | Construction | 2024 |
| NPL Property Investment Ltd | Real estate | 2026 |
| NPL Workforce Limited | Administrative & support | 2025 |
| NR Capital Management Ltd | Real estate | 2025 |
| NR Event Planner Limited | Hospitality | 2025 |