| N S Holloway Ltd | Financial services | 2026 |
| N S News (UK) Limited | Wholesale & retail | 2006 |
| N Solanki Dental Ltd | Health & social care | 2018 |
| N U & I Ltd | Construction | 2014 |
| N V Mccrea Consulting Ltd | Professional & scientific | 2025 |
| N White Property Improvements Ltd | Construction | 2025 |
| N Z S Properties Ltd | Real estate | 2020 |
| N&D Interiors Ltd | Construction | 2022 |
| N&D Plastering&Drylining Ltd | Construction | 2020 |
| N&K Parmar Limited | Construction | 2017 |
| N&K Thanki Properties UK Ltd | Real estate | 2025 |
| N&M Ecoheat Plumbing & Heating Ltd | Construction | 2015 |
| N&N Express Trading Ltd | Wholesale & retail | 2023 |
| N&N Futures Limited | Real estate | 2025 |
| N&N Nestings Limited | Real estate | 2025 |
| N&R Leicester Ltd | Hospitality | 2025 |
| N&S Designers Limited | Wholesale & retail | 2025 |
| N&S Procurement Ltd | Wholesale & retail | 2022 |
| N&S Real Estate Ltd | Real estate | 2025 |
| N&W Atelier Ltd | Other services | 2020 |
| N&Ys Investments Ltd | Real estate | 2025 |
| N- Cube Care and Cleaning Services Limited | Health & social care | 2016 |
| N-Zain Property Ltd | Real estate | 2025 |
| N. & S.A. Fisher Limited | Wholesale & retail | 1979 |
| N.A Air Ltd | Manufacturing | 2020 |
| N.A. Property Housing Ltd | Real estate | 2025 |
| N.C.A Transport Ltd | Transport & logistics | 2018 |
| N.D.Littler Holdings Ltd | Financial services | 2020 |
| N.H.C. (UK) Limited | Professional & scientific | 1988 |
| N.I.R.A KSV Ltd | Information & communication | 2025 |
| N.P Evergreen Limited | Transport & logistics | 2025 |
| N.P.D.D. Engineering Holdings Ltd | Financial services | 2023 |
| N.P.D.D. Engineering Limited | Manufacturing | 1984 |
| N.R. Bates Limited | Construction | 1993 |
| N.S.R Investments Ltd | Real estate | 2018 |
| N.V Collections International Ltd | Manufacturing | 2019 |
| N.V.E. Hand Car Wash Ltd | Other services | 2013 |
| N13 Group Ltd | Professional & scientific | 2025 |
| N16 Vintage Ltd | Wholesale & retail | 2011 |
| N3 Incorporated Ltd | Real estate | 2018 |
| N3 Professionals Limited | Real estate | 2011 |
| N369 Ltd | Real estate | 2023 |
| N4L Holdings Limited | Professional & scientific | 2014 |
| N4Y4N Ltd | Information & communication | 2024 |
| N@V Trans Ltd | Transport & logistics | 2019 |
| NA Business Ltd | Administrative & support | 2025 |
| NA Education Ltd | Education | 2025 |
| NA KAR Ltd | Wholesale & retail | 2025 |
| Naadanz Limited | Hospitality | 2024 |
| Naan & Chilli Ltd | Wholesale & retail | 2025 |
| Naan Staap Leicester Ltd | Wholesale & retail | 2024 |
| Naan-Sense Ltd | Hospitality | 2024 |
| Naasfi Ltd | Administrative & support | 2019 |
| Naaz Catering Ltd | Hospitality | 2023 |
| Naaz KA Dhaba Limited | Hospitality | 2025 |
| Naazni Ltd | Hospitality | 2019 |
| Nabad Living Limited | Real estate | 2025 |
| Nabaz Ranya Ltd | Manufacturing | 2025 |
| Nabeela Immigration Services Ltd | Professional & scientific | 2019 |
| Nabiha Investments Ltd | Real estate | 2020 |
| Nabil Consultancy Ltd | Administrative & support | 2024 |
| Nabista Ltd | Wholesale & retail | 2025 |
| Nabla Delta Capital Limited | Professional & scientific | 2023 |
| Nabradia Ltd | Administrative & support | 2025 |
| Nacho MAN Ltd | Hospitality | 2025 |
| Nachodb Ltd | Professional & scientific | 2023 |
| NAD Software Limited | Information & communication | 2026 |
| Nadialeicester.Com Limited | Professional & scientific | 2020 |
| Nadzvee Ltd | Wholesale & retail | 2021 |
| Naeem Musani Ltd | Other services | 2018 |
| Nafisa Bakes Ltd | Hospitality | 2025 |
| Nagab Healthcare Solutions Ltd | Health & social care | 2023 |
| Nagar Dancing Shoes Limited | Manufacturing | 2003 |
| Nagia Properties Ltd | Real estate | 2021 |
| Nagpal Services Ltd | Transport & logistics | 2025 |
| Nagpal Superstore Limited | Wholesale & retail | 2020 |
| Nagra Brothers (Leic) Limited | Real estate | 1987 |
| Nagra Chilled Food Ltd | Wholesale & retail | 2021 |
| Nagra Food Ltd | Wholesale & retail | 2019 |
| Nagra Properties (Leicester) Ltd | Real estate | 2020 |
| Nagra Redevelopments Ltd | Real estate | 2024 |
| Nags Head Enderby Ltd | Hospitality | 2025 |
| Nahar 1 Limited | Administrative & support | 2017 |
| Nahj Properties Limited | Real estate | 2018 |
| Naieyes Products Ltd | Wholesale & retail | 2025 |
| Nail Creations 88 Ltd | Other services | 2026 |
| Nail Junction Ltd | Other services | 2021 |
| Nails LAB Leicester Ltd | Other services | 2023 |
| Nailsart Leicester Ltd | Other services | 2025 |
| Naim Consultancy Ltd | Wholesale & retail | 2025 |
| Nair Engineering Ltd | Professional & scientific | 2025 |
| Nair Service Society (UK) | Health & social care | 2014 |
| Nairn Media UK Ltd | Information & communication | 2025 |
| Naisha Enterprises Limited | Real estate | 2025 |
| Najiib Diiriye Ltd | Construction | 2025 |
| Nakamoto Properties Ltd | Professional & scientific | 2023 |
| Nakida Holdings Limited | Real estate | 2025 |
| Naknettey Ltd | Transport & logistics | 2012 |
| Nakr Ltd | Real estate | 2016 |
| Nakshathra Holdings Ltd | Wholesale & retail | 2026 |