| 41BRIX Ltd | Construction | 2025 |
| 42 Amwell Street Freehold Limited | Households | 2010 |
| 42 PR Ltd | Professional & scientific | 2008 |
| 42 Property Renovations Limited | Real estate | 2023 |
| 42 Wellesley Road RTM Company Ltd | Households | 2025 |
| 42MEDIA Ltd | Administrative & support | 2013 |
| 43 High Street Mundesley Limited | Households | 2011 |
| 43 NR3 Ltd | Hospitality | 2021 |
| 44 Cliff Road Sheringham (Management) Limited | Households | 2021 |
| 458. Law Limited | Professional & scientific | 2021 |
| 46 ST Giles Street Limited | Households | 2016 |
| 47 ST Giles Street Ltd | Construction | 2025 |
| 48 ST Giles Tenant Management Company Limited | Households | 2019 |
| 4BW Limited | Manufacturing | 2011 |
| 4D GEO Ltd | Professional & scientific | 2019 |
| 4EVERWOOD Limited | Construction | 2007 |
| 4G Carpentry Limited | Construction | 2026 |
| 4GOM Limited | Professional & scientific | 2014 |
| 4K Developments Limited | Construction | 2026 |
| 4K Wraps Limited | Wholesale & retail | 2026 |
| 4MULER One Ltd | Transport & logistics | 2018 |
| 4TH House Homes Ltd | Real estate | 2026 |
| 4WARD Sports Ltd | Arts & recreation | 2016 |
| 5 George Street Limited | Hospitality | 2012 |
| 5 Star Facility Management Limited | Administrative & support | 2006 |
| 5 Star Interiors Ltd | Transport & logistics | 2015 |
| 5 Stars Trading Limited | Wholesale & retail | 2020 |
| 50 Gleneagle Road Management Limited | Administrative & support | 1973 |
| 50/50 Imports Limited | Wholesale & retail | 2018 |
| 500MORE Digital Ltd | Information & communication | 2019 |
| 50THREE Digital Limited | Information & communication | 2018 |
| 51 Mardle Limited | Real estate | 2017 |
| 52 & 53 Tennyson Street Freehold Limited | Households | 2022 |
| 520 Food Ltd | Wholesale & retail | 2026 |
| 52DEGREES Telecom Limited | Information & communication | 2016 |
| 5501VM Ltd | Professional & scientific | 2018 |
| 56 C Ltd | Administrative & support | 2013 |
| 56 Developments EA Ltd | Professional & scientific | 2017 |
| 59 Earlham Road Norwich Limited | Households | 1990 |
| 5HT Limited | Information & communication | 2017 |
| 5TH GEN Cleaning Ltd | Administrative & support | 2023 |
| 6 Auriol Road Freehold Limited | Households | 2015 |
| 61-63 Pottergate RTM Company Ltd | Households | 2021 |
| 614CHU Ltd | Administrative & support | 2025 |
| 62 Bold Street Management Company Limited | Extraterritorial | 2007 |
| 666RECORDS Ltd | Arts & recreation | 2020 |
| 68K Coffee Ltd | Hospitality | 2022 |
| 6A&7 Ltd | Real estate | 2024 |
| 6FT Llama Ltd | Manufacturing | 2020 |
| 7 Acres Commercial Ltd | Construction | 2020 |
| 7 Seas Engineering Services Ltd | Professional & scientific | 2013 |
| 7 Surrey Street Limited | Wholesale & retail | 1989 |
| 7/12 Park House Management Limited | Households | 2000 |
| 713 Homes Limited | Construction | 2022 |
| 71ABC Lodge Road RTM Company Ltd | Administrative & support | 2016 |
| 76 Catering Ltd | Hospitality | 2024 |
| 76 ST George's Square Management Company Limited | Households | 1998 |
| 76 Takeaways Ltd | Hospitality | 2026 |
| 78 Wilberforce Road Management Limited | Households | 1987 |
| 7KAY Technology Solutions Ltd | Information & communication | 2023 |
| 7KC Limited | Real estate | 2021 |
| 7TH Attendant Limited | Hospitality | 2022 |
| 8 Agency Ltd | Information & communication | 2026 |
| 80 Catering Ltd | Hospitality | 2026 |
| 80H Ltd | Administrative & support | 2013 |
| 83B Limited | Real estate | 2014 |
| 888 Consulting Ltd | Professional & scientific | 2023 |
| 888 Groundworks Limited | Real estate | 2009 |
| 89 Oak Street Ltd | Administrative & support | 2021 |
| 89 Pettus Limited | Real estate | 2022 |
| 9 Bracondale Limited | Real estate | 2018 |
| 9 Cabbell Road Limited | Households | 2021 |
| 9 Dart Threads Ltd | Wholesale & retail | 2025 |
| 9-11-15-17 Ladbrooke Road RTM Company Ltd | Households | 2020 |
| 93 BA Limited | Real estate | 2015 |
| 95 GA Freehold Ltd | Real estate | 2014 |
| 98RH Holdings Ltd | Financial services | 2025 |
| 996 Global Import & Export Ltd | Wholesale & retail | 2025 |
| 99K. Cricket Ltd | Wholesale & retail | 2025 |
| 99K. Prod Ltd | Manufacturing | 2024 |
| 99KITS. Ltd | Manufacturing | 2017 |
| 9C Solutions Limited | Professional & scientific | 2011 |
| @Work Consultants Limited | Information & communication | 1996 |
| A & a Properties (Hardley) Ltd | Real estate | 2004 |
| A & a Ventures Limited | Real estate | 2012 |
| A & B Sons Properties Ltd | Real estate | 2025 |
| A & D (Norwich) Limited | Real estate | 2010 |
| A & F Precision Engineering Limited | Professional & scientific | 2011 |
| A & G Flooring Limited | Administrative & support | 2006 |
| A & G Roberts Haulage Limited | Transport & logistics | 2024 |
| A & H Services Ltd | Transport & logistics | 2016 |
| A & J Heating & Plumbing Limited | Construction | 2015 |
| A & J House Leveling & Lifting Limited | Construction | 2022 |
| A & J Madeira Limited | Hospitality | 2002 |
| A & M Motors (Norfolk) Limited | Wholesale & retail | 2008 |
| A & M Professional Ltd | Other services | 2017 |
| A & M Property Rentals (East) Ltd | Real estate | 2025 |
| A & P Car Care Limited | Wholesale & retail | 2013 |
| A & R Developers Limited | Construction | 2018 |
| A & R Scaffolding Banbury Limited | Construction | 2009 |