| New Finance Limited | Professional & scientific | 2022 |
| New Forest Bathrooms Ltd | Manufacturing | 2020 |
| New Forest Venue Ltd | Hospitality | 2021 |
| New Ganesha Handicrafts Ltd | Wholesale & retail | 2018 |
| New Genesis Block UK Limited | Professional & scientific | 2022 |
| New Global Move Ltd | Arts & recreation | 2019 |
| New Hamilton Limited | Administrative & support | 2016 |
| New HAP Shing Trading Co Limited | Wholesale & retail | 2009 |
| New HAT Thinking Limited | Professional & scientific | 2008 |
| New Haven Native American Church of the United Kingdom | Other services | 2022 |
| New Health College Ltd | Education | 2024 |
| New Horizon Co., Ltd | Wholesale & retail | 2021 |
| New Horizon Distributions Ltd | Transport & logistics | 2021 |
| New Horizons Care and Support Services Limited | Health & social care | 2026 |
| New Horizons Ventures KSA Ltd | Manufacturing | 2024 |
| New House Farm Cardiff Limited | Administrative & support | 2025 |
| New Humanity Limited | Information & communication | 2024 |
| New Image Hair Ltd | Other services | 2019 |
| New India House Ltd | Hospitality | 2023 |
| New Inn Motors Limited | Wholesale & retail | 2019 |
| New Leaf Wellbeing Ltd. | Health & social care | 2013 |
| New Life Academy of Sports Sciences UK Ltd | Administrative & support | 2024 |
| New Life Mobility Products Limited | Wholesale & retail | 2026 |
| New Limitations Ltd | Professional & scientific | 2025 |
| New Line Kitchens Ltd | Wholesale & retail | 2013 |
| New LL Limited | Extraterritorial | 2014 |
| New Madina Motors Ltd | Wholesale & retail | 2025 |
| New Madina Rice Mills Ltd | Wholesale & retail | 2025 |
| New MAN Clinic Ltd | Wholesale & retail | 2015 |
| New Materials Technology Limited | Extraterritorial | 2018 |
| New Media Center Ltd | Wholesale & retail | 2024 |
| New Media Ghost Ltd | Professional & scientific | 2019 |
| New MG Tyres Ltd | Wholesale & retail | 2025 |
| New Milton Car and Van Rental Ltd | Administrative & support | 2019 |
| New Mindset Personal Training Limited | Other services | 2019 |
| New Money Entertainment Limited | Information & communication | 2011 |
| New Moon Group Ltd | Real estate | 2019 |
| New Moon Marketing Ltd | Professional & scientific | 2019 |
| New Ocean Technology Limited | Wholesale & retail | 2021 |
| New PIN Management Ltd | Information & communication | 2017 |
| New Possibilities in Living and Learning Ltd | Health & social care | 2016 |
| New Retail Realities Ltd. | Professional & scientific | 2015 |
| New Rules of Health Limited | Wholesale & retail | 2018 |
| New Senior Generation Ltd | Professional & scientific | 2015 |
| New Silent Saas Limited | Information & communication | 2025 |
| New Solutions Supported Housing C.I.C. | Health & social care | 2015 |
| New Spice Kitchen Limited | Hospitality | 2020 |
| New Spring Ventures (UK) Ltd | Administrative & support | 2011 |
| New Start Group Limited | Administrative & support | 2019 |
| New Stitches (Cardiff) Ltd | Manufacturing | 2017 |
| New Style Driveways Limited | Construction | 2018 |
| New Sudan Centre for Strategic and Diplomatic Studies Ltd | Professional & scientific | 2025 |
| New Tech Limited | Wholesale & retail | 2015 |
| New Tech Planet Limited | Information & communication | 2017 |
| New Technologies Consulting Services Ltd | Information & communication | 2019 |
| New Vehicle Solutions Limited | Administrative & support | 2013 |
| New Venture Carpets Limited | Manufacturing | 1978 |
| New View Building Limited | Construction | 2023 |
| New Vision Accounting Limited | Professional & scientific | 2021 |
| New Vision Bespoke Joinery Ltd | Construction | 2018 |
| New Vision Designs Limited | Construction | 2021 |
| New Vision Technology Ltd | Wholesale & retail | 2015 |
| New Wave Building Maintenance Ltd | Construction | 2017 |
| New Wave Properties Limited | Real estate | 2017 |
| New Wave Properties Management Limited | Real estate | 2023 |
| New Wave Property Management Cardiff Ltd | Households | 2023 |
| New Waves Productions Worldwide Limited | Information & communication | 1998 |
| New World 136 Limited | Hospitality | 2023 |
| New World Cultural Communication Ltd | Arts & recreation | 2025 |
| New York Bites Ltd | Hospitality | 2009 |
| New Zealand ( Energy ) Law Ltd | Energy | 2019 |
| Newalk Limited | Wholesale & retail | 2021 |
| Newbear Developments Limited | Real estate | 2016 |
| Newbond Enterprises Limited | Hospitality | 2018 |
| Newbond Hospitality Limited | Hospitality | 2018 |
| Newbridge Development Services Ltd | Construction | 2021 |
| Newbridge Finance Ltd | Administrative & support | 2013 |
| Newbridge Motorsport Limited | Arts & recreation | 2010 |
| Newby Court Limited | Hospitality | 2017 |
| Newby RTM Company Ltd | Households | 2017 |
| Newcastle Boutique Apartments Limited | Real estate | 2017 |
| Newcastle Tree Services Limited | Agriculture & fishing | 2015 |
| Newcastle Youth Congress Limited | Administrative & support | 1993 |
| Newcelf C.I.C. | Education | 2019 |
| Newco 1001 Limited | Extraterritorial | 2016 |
| Newco Holdings 2025 Limited | Financial services | 2025 |
| Newdeco Bathrooms Ltd | Construction | 2019 |
| Newdene Limited | Information & communication | 2020 |
| Newdigate Plumbing Limited | Construction | 2014 |
| Newell Inpack Ltd. | Extraterritorial | 2014 |
| Newellme Ltd | Wholesale & retail | 2025 |
| Newfields Law Limited | Professional & scientific | 2016 |
| Newfound Creative Limited | Financial services | 2026 |
| Newgate Group Limited | Professional & scientific | 1987 |
| Newgate Industrial PC | | 2018 |
| Newgen Care Limited | Administrative & support | 2021 |
| Newhall Janitorial Holdings Limited | Financial services | 2023 |
| Newhall Janitorial Limited | Wholesale & retail | 1988 |
| Newhall Limited | Wholesale & retail | 2018 |
| Newington Homes Ltd | Real estate | 2015 |