| 2 Theatre OPE RTM Company Ltd | Real estate | 2010 |
| 2 WIN Big Limited | Wholesale & retail | 2024 |
| 2-4-6-8 Bright Close RTM Company Ltd | Households | 2020 |
| 2-4-6-8 Crome Drive RTM Company Ltd | Households | 2021 |
| 2-8 Eastcheap Limited | Financial services | 2025 |
| 20 Mill Lane Honingham Ltd | Real estate | 2024 |
| 20 Morgan Avenue Management Company Limited | Real estate | 2015 |
| 20-34 ST Georges Street Norwich Residents Management Company Limited | Households | 2011 |
| 20/20 Cleaning Services Ltd | Administrative & support | 2024 |
| 20/20 Window Cleaning Ltd | Administrative & support | 2025 |
| 2020 Executive Search Limited | Professional & scientific | 2019 |
| 2020 Money Ltd | Education | 2016 |
| 2020 Safety Training Ltd | Professional & scientific | 2020 |
| 2024 Properties Limited | Real estate | 2024 |
| 210 Merton Road Management Company Limited | Households | 2014 |
| 21X9 Ltd. | Information & communication | 2016 |
| 22 Hours Care Ltd | Health & social care | 2025 |
| 22 Recruitment & Consultancy Ltd | Administrative & support | 2021 |
| 221GROUP Ltd | Information & communication | 2016 |
| 222 Unthank Road Management Company Limited | Households | 1988 |
| 2228 Consultancy Ltd | Professional & scientific | 2023 |
| 225 Dereham Road Limited | Construction | 2021 |
| 23 Elgin Park (Bristol) Management Company Limited | Households | 2010 |
| 23 Neville Street Management Ltd | Households | 2007 |
| 232-234 Stanstead Road Management Company Limited | Extraterritorial | 2020 |
| 24 Consultancy Ltd | Information & communication | 2009 |
| 24 Eccleston Square Residents Company Limited | Hospitality | 1997 |
| 24-34 Patricia Road Management Limited | Households | 2022 |
| 24-7 Motorsport Limited | Arts & recreation | 2018 |
| 24/7 ECP Services Limited | Health & social care | 2015 |
| 24/7 Fitness (UK) Ltd | Arts & recreation | 2013 |
| 24/7 Fitness Birmingham Limited | Arts & recreation | 2012 |
| 24/7 Fitness Group Ltd | Arts & recreation | 2015 |
| 24/7 Fitness Gyms Ltd | Arts & recreation | 2017 |
| 24/7 Fitness Kidderminster Ltd | Arts & recreation | 2012 |
| 247 Health Care Staffing Solutions Ltd | Administrative & support | 2023 |
| 247 OIL & GAS Ltd | Construction | 2025 |
| 28 Priory Terrace Limited | Real estate | 1993 |
| 28-30 Brunswick Road RTM Company Limited | Households | 2024 |
| 282 Elgin Avenue Limited | Households | 2001 |
| 286 Salon Ltd | Other services | 2013 |
| 28DAYS Travel Ltd | Administrative & support | 2026 |
| 28T&N Ltd | Administrative & support | 2026 |
| 29-32 Josephine Close Limited | Administrative & support | 2015 |
| 2EASY 2LET Ltd | Real estate | 2020 |
| 2GBC Ltd | Professional & scientific | 2014 |
| 2H Offshore Engineering Limited | Mining & quarrying | 1993 |
| 2HAND Ltd | Information & communication | 2017 |
| 2HANDYSERVICES Ltd | Administrative & support | 2010 |
| 2JULIANS Ltd | Hospitality | 2025 |
| 2L Technologies Ltd | Extraterritorial | 2009 |
| 2PJ Limited | Real estate | 2010 |
| 2SYS Resource Ltd | Administrative & support | 2020 |
| 3 Bryanston Square Tenants Management Company Limited | Households | 1972 |
| 3 C Alliance Healthcare Ltd | Administrative & support | 2023 |
| 3 Star TV Systems Limited | Administrative & support | 2007 |
| 30 Christchurch Road Norwich Limited | Households | 1980 |
| 30 Tankerville Road RTM Company Limited | Households | 2005 |
| 303 Histon Road Cambridge LLP | | 2020 |
| 303 Studios Ltd | Information & communication | 2015 |
| 31 Abbey Road (Bourne) Limited | Real estate | 2007 |
| 31 Media Limited | Administrative & support | 2007 |
| 31-33-35-37 Austin Road RTM Company Ltd | Households | 2020 |
| 32 Castellain Road Management Company Ltd | Households | 2025 |
| 32 Magdalen Street Ltd | Real estate | 2026 |
| 32 Marine Parade Limited | Real estate | 2007 |
| 330 Hub International Limited | Information & communication | 2018 |
| 35 Park Lane Residents Association (Norwich) Limited | Real estate | 2014 |
| 35 Unthank Road Residents Association Limited | Households | 2001 |
| 36 Botolph Lane Limited | Real estate | 2025 |
| 36-42 Patricia Road (Management) Limited | Households | 2021 |
| 360 Barbers Norwich Ltd | Other services | 2025 |
| 360 Degrees Home Improvements Ltd | Construction | 2021 |
| 360 Ecology Limited | Professional & scientific | 2022 |
| 360 Growth Coach Ltd | Professional & scientific | 2023 |
| 360 Pro Clean Limited | Administrative & support | 2025 |
| 365 Renewables Ltd | Wholesale & retail | 2019 |
| 36C Harrington Gardens Ltd | Real estate | 2016 |
| 36TH Group Ltd | Transport & logistics | 2026 |
| 38 ST. Giles Limited | Hospitality | 2014 |
| 3ALEX Ltd | Transport & logistics | 2017 |
| 3D Cutz Norwich Ltd | Other services | 2024 |
| 3D Nutrition Ltd | Wholesale & retail | 2019 |
| 3D TEK Ltd | Construction | 2023 |
| 3DEA Limited | Information & communication | 2017 |
| 3G Telekom Limited | Information & communication | 2011 |
| 3H Capital Ltd | Administrative & support | 2016 |
| 3I Systems Studio Ltd | Information & communication | 2025 |
| 3MD Technical Recruitment Ltd | Administrative & support | 2015 |
| 3P Effects Decorating Ltd | Construction | 2022 |
| 3R'S Retail Ltd | Wholesale & retail | 2022 |
| 3SB Limited | Manufacturing | 2014 |
| 3UNIQUE Ltd | Construction | 2018 |
| 3XP Solutions Limited | Information & communication | 2014 |
| 3XPOINT Ltd. | Information & communication | 2015 |
| 4 Directions Ltd | Transport & logistics | 2020 |
| 4 Walls Engineering & Construction Limited | Professional & scientific | 2016 |
| 4 Xray Ltd | Health & social care | 2025 |
| 400 Shoot Limited | Other services | 2016 |
| 418 Services Ltd | Other services | 2022 |