| New Meanwood Sushi Ltd | Hospitality | 2020 |
| New Morley Sushi Ltd | Hospitality | 2023 |
| New Noodle House Ltd | Hospitality | 2015 |
| New Oriental Leeds Ltd | Hospitality | 2021 |
| New Park Court Chambers Limited | Professional & scientific | 2019 |
| New Park Court Limited | Professional & scientific | 2019 |
| New Peggy TUB Limited | Hospitality | 2016 |
| New Power Holdings Limited | Financial services | 2022 |
| New Road Design Limited | Wholesale & retail | 2007 |
| New Roots Housing Limited | Hospitality | 2025 |
| New Royvemour Ltd | Information & communication | 2018 |
| New Sight U.K. | Health & social care | 2011 |
| New Spice House Limited | Hospitality | 2018 |
| New Street (Group) Limited | Administrative & support | 2019 |
| New Street (Holdco) Limited | Financial services | 2020 |
| New Street Consulting Group Limited | Professional & scientific | 2011 |
| New Sushi Kitchen Ltd | Hospitality | 2025 |
| New TAI Hing Leeds Ltd | Hospitality | 2024 |
| New Templegate Investments Limited | Real estate | 2008 |
| New View Window Systems Limited | Construction | 2002 |
| New Village Properties Limited | Real estate | 2021 |
| New Vision Glass Ltd | Construction | 2020 |
| New Whitkirk Motors Limited | Wholesale & retail | 2016 |
| New World Associates Ltd | Professional & scientific | 2019 |
| New World Cleaning Services Limited | Administrative & support | 2016 |
| New Wortley Community Association Limited | Health & social care | 1981 |
| New York Street Mini Market Ltd | Wholesale & retail | 2026 |
| New Zenit Invest Ltd | Real estate | 2022 |
| NEW2THESCENE Ltd | Wholesale & retail | 2022 |
| Newable Niagara Limited | Financial services | 2019 |
| Newable Ontario Limited | Financial services | 2023 |
| Newage Life Healthcare Group Limited | Health & social care | 2008 |
| Newbridge Global Limited | Education | 2023 |
| Newby Estates Ltd | Real estate | 2024 |
| Newby Manor Estates Limited | Real estate | 1988 |
| Newby Manor Holdings Limited | Financial services | 2025 |
| Newby Manor Investments Limited | Real estate | 1990 |
| Newcap BPO Ltd | Information & communication | 2023 |
| Newcastle (Healthcare Support) Limited | Administrative & support | 2017 |
| Newcastle Benfield Gym Ltd | Arts & recreation | 2018 |
| Newcastle Holdco (Healthcare Support) Limited | Administrative & support | 2017 |
| Newcastle Property Maintenance Limited | Real estate | 2005 |
| Newco Fire & Security Limited | Administrative & support | 2018 |
| Newco Mechanical & Electrical Ltd | Construction | 2024 |
| Newco Two Ltd | Professional & scientific | 2020 |
| Newdale Finance Ltd | Financial services | 2020 |
| Newdall Ltd | Information & communication | 2018 |
| Newell Trustees Limited | Administrative & support | 2006 |
| Newells Aerials Limited | Construction | 2013 |
| Newform Services Limited | Real estate | 2024 |
| Newgen Software Ltd | Professional & scientific | 2026 |
| Newhay Feeds Limited | Agriculture & fishing | 2008 |
| Newhome Building Company Ltd | Construction | 2023 |
| Newis 9 Ltd | Real estate | 2004 |
| Newlaithes Ltd | Professional & scientific | 2024 |
| Newlands GET Together Club | Other services | 2008 |
| Newlands Store Limited | Wholesale & retail | 2004 |
| Newlands Yorkshire Limited | Real estate | 2025 |
| Newlay Brickwork Limited | Construction | 1997 |
| Newlay Ltd | Real estate | 2021 |
| Newlay Wood Management Company Limited | Households | 1992 |
| Newlite Solutions Limited | Wholesale & retail | 2003 |
| Newman Evans Limited | Professional & scientific | 2013 |
| Newman Evans Yorkshire Limited | Information & communication | 2022 |
| Newman Family Law Ltd | Professional & scientific | 2025 |
| Newman Jacobs Assets and Inventory Ltd | Wholesale & retail | 2023 |
| Newman Stewart Limited | Administrative & support | 2011 |
| Newmarket Power & Lighting Ltd | Construction | 2018 |
| Newmech Fabrications Limited | Construction | 2011 |
| Newmill Commercial Limited | Construction | 2022 |
| Newmorro Holdings Limited | Professional & scientific | 2022 |
| Newmorro Limited | Professional & scientific | 2022 |
| Newns Webster Ltd | Real estate | 2023 |
| Newoz Leeds Limited | Hospitality | 2018 |
| Newredo Ltd | Information & communication | 2010 |
| Newross Impex Limited | Wholesale & retail | 1980 |
| News Blitz Limited | Information & communication | 2025 |
| Newsam Finance Ltd | Real estate | 2016 |
| Newsam Management Limited | Households | 2022 |
| Newsdle Ltd | Extraterritorial | 2020 |
| Newsent Limited | Information & communication | 2021 |
| Newsnest Ltd | Wholesale & retail | 2025 |
| Newspan Property Limited | Professional & scientific | 2024 |
| Newspress Limited | Information & communication | 1973 |
| Newstead Safety Services Limited | Wholesale & retail | 2012 |
| Newstime UK Limited | Wholesale & retail | 2000 |
| Newsubstance Drones Limited | Arts & recreation | 2020 |
| Newsubstance Group Limited | Financial services | 2020 |
| Newsubstance IH Limited | Arts & recreation | 2026 |
| Newsubstance Limited | Arts & recreation | 2004 |
| Newsyverse Limited | Information & communication | 2023 |
| Newtech Electrical Ltd | Construction | 2011 |
| Newton Chinese Takeaway Ltd | Extraterritorial | 2020 |
| Newton Derby Limited | Manufacturing | 2005 |
| Newton Extensions Ltd | Construction | 2024 |
| Newton Garth Management Company Limited | Households | 1983 |
| Newton Grounds Limited | Construction | 2023 |
| Newton Lets Limited | Real estate | 2015 |
| Newton Murrell Masonry Limited | Construction | 2016 |
| Newton Park Mansions (Leeds) Management Company Limited | Households | 1963 |