| Nova Jewellers Ltd | Manufacturing | 2019 |
| Nova Management Consultancy Ltd | Professional & scientific | 2025 |
| Nova MAX Cosmetics Company Ltd | Wholesale & retail | 2025 |
| Nova Nexa Ltd | Wholesale & retail | 2023 |
| Nova Plumbers Ltd | Construction | 2024 |
| Nova Properties Cardiff Ltd | Real estate | 2025 |
| Nova Trading House Ltd | Real estate | 2023 |
| Nova Travel Limited | Administrative & support | 2015 |
| Nova Zain Ltd | Wholesale & retail | 2025 |
| Novabest Ltd | Wholesale & retail | 2025 |
| Novaco Innovations Limited | Wholesale & retail | 2023 |
| Novacore Life Ltd | Wholesale & retail | 2024 |
| Novadesk Document Solutions Ltd | Administrative & support | 2026 |
| Novafort Yield Ltd. | Financial services | 2023 |
| Novagen IT Limited | Information & communication | 2025 |
| Novakeys Stays Limited | Real estate | 2026 |
| Novaline Creative Ltd | Information & communication | 2025 |
| Novaline Plumbing Ltd | Construction | 2026 |
| Novalynth Limited | Information & communication | 2025 |
| Novalynx Solutions Limited | Professional & scientific | 2025 |
| Novanad Limited | Health & social care | 2026 |
| Novanite Ltd | Professional & scientific | 2026 |
| Novanta Holdings Limited | Information & communication | 2026 |
| Novanux Limited | Wholesale & retail | 2024 |
| Novar Altiora Ltd | Wholesale & retail | 2025 |
| Novarising Labs Limited | Information & communication | 2025 |
| Novarum DX Limited | Professional & scientific | 2012 |
| Novas Group PC | | 2017 |
| Novashade Crafts Ltd | Wholesale & retail | 2025 |
| Novasmile Health Limited | Health & social care | 2025 |
| Novasprig Innovations Limited | Information & communication | 2024 |
| Novastar International Limited | Agriculture & fishing | 2008 |
| Novatec Group Ltd | Other services | 2025 |
| Novatech Equipments and Tools Trading Ltd | Wholesale & retail | 2025 |
| Novatis Solutions Limited | Information & communication | 2025 |
| Novawell Limited | Health & social care | 2025 |
| Novel Wash Ltd | Administrative & support | 2025 |
| Novelle Skin Limited | Other services | 2026 |
| Novello Consulting Ltd | Administrative & support | 2025 |
| Novem Car Interior Design Limited | Water & waste | 1985 |
| Novem RTM Company Limited | Households | 2018 |
| November Charlie Research LLP | | 2010 |
| Noventica Limited | Professional & scientific | 2023 |
| Novera Home Limited | Wholesale & retail | 2025 |
| Novex Biotech Limited | Professional & scientific | 2026 |
| Novexa Technologies Ltd | Information & communication | 2025 |
| Novexfit Ltd | Wholesale & retail | 2026 |
| Novexia Ltd | Wholesale & retail | 2026 |
| Novitas Group Ltd | Construction | 2025 |
| Novitech Inter L.P. | | 2017 |
| Novo Connect Ltd | Information & communication | 2026 |
| Novo Nordic Ltd | Construction | 2025 |
| Novotech International Ltd | Information & communication | 2023 |
| Novtra UK Ltd | Wholesale & retail | 2025 |
| Novum Forum Ltd | Wholesale & retail | 2025 |
| Novum Soft Limited | Information & communication | 2021 |
| Novura Limited | Information & communication | 2025 |
| Novus Athlete Management Limited | Arts & recreation | 2026 |
| Novus Project Management Limited | Construction | 2026 |
| NOW and Then Tech Ltd | Information & communication | 2024 |
| NOW in a Minute Ltd | Information & communication | 2016 |
| NOW in a Minute Media CBC | Professional & scientific | 2021 |
| NOW Products Ltd | Wholesale & retail | 2017 |
| NOW Series Limited | Education | 2019 |
| NOW Thats Entertainment Online Entertainment Competition Limited | Information & communication | 2018 |
| Nowadays Technology Ltd | Wholesale & retail | 2025 |
| Nowy Homes Ltd | Real estate | 2023 |
| NP 2018 Foods Ltd | Hospitality | 2018 |
| NP Cash and Carry Ltd | Manufacturing | 2025 |
| NP Electrical (Worc) Limited | Other services | 2014 |
| NP Resources Limited | Professional & scientific | 2016 |
| NP Retailer Limited | Wholesale & retail | 2025 |
| NP20 Limited | Real estate | 2021 |
| NPD Chef Resource Ltd | Hospitality | 2020 |
| NPI Property Group Ltd | Real estate | 2026 |
| NPM Limited | Real estate | 2025 |
| NPM New Co Limited | Real estate | 2021 |
| Npower Global UK Ltd | Manufacturing | 2021 |
| Nprh Ltd | Real estate | 2025 |
| NPT Medical Support Hub Ltd | Wholesale & retail | 2024 |
| Npunit Network PC | | 2018 |
| NQ Holdings Limited | Professional & scientific | 2019 |
| NQA Ltd | Education | 2021 |
| Nquip Ltd | Professional & scientific | 2022 |
| Nqweba Limited | Information & communication | 2017 |
| NR Digital Marketing Limited | Other services | 2015 |
| NR Electrical Services Limited | Construction | 2017 |
| NR Equestrian Empire Ltd | Other services | 2015 |
| NR RAO Limited | Wholesale & retail | 2022 |
| NR Smile Care Ltd | Health & social care | 2024 |
| Nrad Properties Ltd | Real estate | 2022 |
| Nrbtransuk Ltd | Construction | 2020 |
| NRE 55 (Tenby) Limited | Real estate | 2008 |
| NRG Promotions Ltd | Other services | 2024 |
| NRJ Motor Company Ltd | Wholesale & retail | 2015 |
| NRM Flooring Ltd | Construction | 2025 |
| NRS (2013) Ltd | Real estate | 2013 |
| NS Delivery Driver Limited | Transport & logistics | 2026 |
| NS Empire Ltd | Arts & recreation | 2022 |
| NS Financial Recruitment Limited | Financial services | 2013 |