| North Leeds Property Group Ltd | Real estate | 2024 |
| North Leeds Sports Ltd | Education | 2023 |
| North Leeds Tree Services Ltd | Administrative & support | 2016 |
| North Line Motors Ltd | Wholesale & retail | 2026 |
| North of England International Repatriation Service Limited | Other services | 2024 |
| North One Properties Limited | Real estate | 2023 |
| North Parade Management Co. Limited | Extraterritorial | 1984 |
| North Park Avenue (Wedgewood) Management Company Limited | Real estate | 1973 |
| North Park Properties Limited | Real estate | 2013 |
| North Park Yorkshire Limited | Real estate | 2006 |
| North Piling Ltd | Construction | 2019 |
| North Point Residential Management Company Limited | Households | 2002 |
| North Pottery Limited | Arts & recreation | 2025 |
| North Ridge Gallery Limited | Wholesale & retail | 2024 |
| North RIG Hire Ltd | Administrative & support | 2021 |
| North Scaffold Leeds Limited | Construction | 2024 |
| North Senior Care Ltd | Health & social care | 2020 |
| North Shade Ltd | Financial services | 2026 |
| North Sky Yurts Ltd | Administrative & support | 2020 |
| North South Houses Ltd | Real estate | 2024 |
| North South Vintage Limited | Wholesale & retail | 2021 |
| North Star Coffee Holdings Limited | Financial services | 2019 |
| North Star Coffee Roasters Limited | Manufacturing | 2013 |
| North Star Coffee Shop Limited | Hospitality | 2017 |
| North Star Investment Management Limited | Real estate | 2017 |
| North Stars Management Ltd | Information & communication | 2020 |
| North Thai Limited | Hospitality | 2022 |
| North Valley Shopfronts Ltd | Construction | 2026 |
| North View Management Company (Leeds) Limited | Households | 2015 |
| North Yorks Dales Recovery Ltd | Transport & logistics | 2026 |
| North Yorkshire Computer Services Ltd | Professional & scientific | 2003 |
| North Yorkshire Flats (Harrogate Court) Limited | Households | 1976 |
| North Yorkshire Pizzahouse Ltd | Hospitality | 2025 |
| North Yorkshire Polymer Compounds Limited | Manufacturing | 2018 |
| North Yorkshire Property Developments Limited | Construction | 1999 |
| North-Haus Ltd | Construction | 2021 |
| Northbound Leeds Ltd | Arts & recreation | 2026 |
| Northbound Limited | Arts & recreation | 2003 |
| Northbound Media Consultants Limited | Information & communication | 2018 |
| Northbound Performance Ltd | Financial services | 2026 |
| Northbridge Supported Living Ltd | Health & social care | 2026 |
| Northcafe (Leeds) Ltd | Hospitality | 2025 |
| Northcap Real Estate Limited | Real estate | 2021 |
| Northcase Ltd | Wholesale & retail | 2026 |
| Northco Management Ltd | Professional & scientific | 2015 |
| Northcraft Digital Media Ltd | Information & communication | 2025 |
| Northcroft Digital Ltd | Information & communication | 2026 |
| Northdent Ltd | Health & social care | 2024 |
| Northend Management Ltd | Hospitality | 2004 |
| Northerly.Dev Ltd | Information & communication | 2025 |
| Northern (Decorators) Limited | | 1983 |
| Northern Accountants (Advisory) Ltd | Administrative & support | 2024 |
| Northern Accountants (Doncaster) Limited | Administrative & support | 2011 |
| Northern Accountants (Properties) Ltd | Real estate | 2017 |
| Northern Accountants (Tax) Ltd | Administrative & support | 2022 |
| Northern Accountants Ltd | Professional & scientific | 2007 |
| Northern Angels Studios Limited | Financial services | 2020 |
| Northern Arts Factory Limited | Arts & recreation | 2017 |
| Northern Asian Lawyers Association Limited | Other services | 2026 |
| Northern Ballet Limited | Arts & recreation | 1969 |
| Northern Ballet Productions Limited | Arts & recreation | 2014 |
| Northern Ballet Theatre Company (Property) Limited | Construction | 1990 |
| Northern Bespoke Doors Ltd | Manufacturing | 2020 |
| Northern Bloc Ice Cream Limited | Manufacturing | 2014 |
| Northern Bollards Ltd | Construction | 2026 |
| Northern Boxes Ltd | Information & communication | 2014 |
| Northern Building Plastics Limited | Construction | 2010 |
| Northern Building Systems Ltd | Construction | 2020 |
| Northern CAD Ltd | Professional & scientific | 2014 |
| Northern Care Consultancy Limited | Professional & scientific | 2019 |
| Northern Care Network Limited | Health & social care | 2026 |
| Northern Chill Ltd | Professional & scientific | 2019 |
| Northern Coatworks Limited | Manufacturing | 2024 |
| Northern Communications Group Limited | Professional & scientific | 2018 |
| Northern Composite Doors Ltd | Manufacturing | 2025 |
| Northern Containers Limited | Transport & logistics | 1989 |
| Northern Decorative Surfacing Limited | Construction | 2025 |
| Northern Direct Limited | Construction | 2013 |
| Northern Drainage Ltd | Water & waste | 2025 |
| Northern EAR Care Clinic Ltd | Other services | 2022 |
| Northern Edge Advertising Ltd | Professional & scientific | 2025 |
| Northern Editor Ltd | Information & communication | 2011 |
| Northern Engineering Supplies Limited | Wholesale & retail | 2005 |
| Northern Equestrian Ltd | Wholesale & retail | 2014 |
| Northern Escapes Ltd | Real estate | 2026 |
| Northern Exposure (Properties) Limited | Real estate | 2003 |
| Northern Exposure Films Ltd | Information & communication | 2023 |
| Northern EYE UK Limited | Real estate | 2005 |
| Northern Factory Limited | Financial services | 2024 |
| Northern Flags Limited | Manufacturing | 1985 |
| Northern Flight Training Consultancy Limited | Education | 2025 |
| Northern Flight Training Ltd | Other services | 2013 |
| Northern Flowerhouse Limited | Arts & recreation | 2018 |
| Northern Game Feeds Limited | Agriculture & fishing | 2002 |
| Northern Guitars Cafe Bar Limited | Hospitality | 2016 |
| Northern Gyms Ltd | Arts & recreation | 2019 |
| Northern Halal Meat and Poultry Limited | Manufacturing | 2024 |
| Northern Haus Limited | Real estate | 2021 |
| Northern Headstones Ltd | Other services | 2022 |
| Northern Heat Link Ltd | Wholesale & retail | 2021 |