| Stockwell Plumbing & Heating Limited | Construction | 2023 |
| Stonemanor International Limited | Wholesale & retail | 1978 |
| Stonemanor International Wholesale Distribution Limited | Wholesale & retail | 2003 |
| Stuart Smith Design Ltd | Professional & scientific | 2022 |
| Suburban 2006 Limited | Real estate | 2006 |
| Sure Fires Limited | Professional & scientific | 2015 |
| Symrad Limited | Administrative & support | 2025 |
| Synapse Security Ltd | Information & communication | 2021 |
| T M Dobson Limited | Construction | 2017 |
| T S Harleston Ltd | Wholesale & retail | 2024 |
| Tan'D UP Ltd | Other services | 2026 |
| Tantalise Excite Your Senses Ltd | Hospitality | 2026 |
| TAS Valley Interiors Limited | Construction | 2016 |
| Taste of RAJ (Norfolk) Ltd | Hospitality | 2014 |
| Taylormadebylucy Ltd | Administrative & support | 2020 |
| Teachers Tomorrow Ltd | Information & communication | 2019 |
| Terry Collins Associates Limited | Administrative & support | 2008 |
| Thai Massage Academy Ltd | Arts & recreation | 2022 |
| THE Bookkeeping Bees (Norwich) Ltd | Professional & scientific | 2022 |
| THE Broken EGG (Norfolk) Limited | Hospitality | 2016 |
| THE Creative Lemon Tree Limited | Administrative & support | 2018 |
| THE Dove Poringland Limited | Hospitality | 2024 |
| THE Green Cupboard Ltd | Wholesale & retail | 2019 |
| THE Hamptons Residents Company Ltd | Households | 2020 |
| THE Harleston Information Plus Charity | Information & communication | 2012 |
| THE Herbal Tree Ltd | Hospitality | 2017 |
| THE Kraken Bakes Ltd | Manufacturing | 2025 |
| THE Sash & Door Company Ltd | Manufacturing | 2025 |
| THE SKI, Bike and Golf Company Ltd | Administrative & support | 2015 |
| THE Solar Panel Cleaning Specialists Ltd | Administrative & support | 2024 |
| THE Tudor Bakehouse Limited | Wholesale & retail | 2002 |
| THE Wave Partnership Ltd | Professional & scientific | 2013 |
| THE Waveney Harriers Limited | Agriculture & fishing | 2004 |
| THE Wildlife Works Limited | Other services | 1988 |
| Thegroundworksco. Ltd | Construction | 2023 |
| Thermotech Plumbing & Heating Ltd | Construction | 2026 |
| Thrive Framework Limited | Arts & recreation | 2025 |
| Tjhs Commercial Ltd | Administrative & support | 2022 |
| Todhunter Two Limited | Construction | 2023 |
| Topo House Ltd | Real estate | 2016 |
| Total Resource International Ltd | Agriculture & fishing | 2018 |
| Tova Boutique Ltd | Wholesale & retail | 2026 |
| Travelling Snail Limited | Manufacturing | 2002 |
| Traydar Couriers Ltd | Transport & logistics | 2013 |
| Tripolitania Restaurant Ltd. | Hospitality | 2023 |
| Trowel Blazers Recruitment Ltd | Administrative & support | 2025 |
| Tudor Constructions 2013 Ltd | Construction | 2013 |
| Turnstone Therapy Practice Ltd | Health & social care | 2018 |
| Twist UP Productions Limited | Hospitality | 2021 |
| Tyecorp Ltd | Wholesale & retail | 2024 |
| Ugobuild DIY Limited | Extraterritorial | 2024 |
| Ugobuild Limited | Wholesale & retail | 2022 |
| Ulric Ltd | Information & communication | 2000 |
| Upper Olland Street Management Company Limited | Households | 2013 |
| Verge of Excellence Ltd | Construction | 2019 |
| Vesseldigital Technologies Ltd | Information & communication | 2026 |
| Vincent's Motor Works Ltd | Wholesale & retail | 2025 |
| Vision Itsm Limited | Information & communication | 2013 |
| Visual Purple Ltd | Information & communication | 2020 |
| Waters Body and Paint Ltd | Wholesale & retail | 2024 |
| Waveney Build Ltd | Construction | 2018 |
| Waveney Construction Landscapes Civils Ltd | Construction | 2018 |
| Waveney Consultancy Limited | Administrative & support | 2024 |
| Waveney Dog Retreat Limited | Wholesale & retail | 2023 |
| Waveney Holdings Ltd | Financial services | 2025 |
| Waveney Valley Spirits Limited | Manufacturing | 2014 |
| WAX & Unwind Limited | Wholesale & retail | 2023 |
| White Hart Roydon Ltd | Hospitality | 2023 |
| Wilby Agri Services Limited | Manufacturing | 2016 |
| William Church Publishing Limited | Information & communication | 2013 |
| Wimborne Minster Home Improvements Ltd | Professional & scientific | 2020 |
| Windward Systems Ltd | Professional & scientific | 2002 |
| Wiskers Limited | Wholesale & retail | 2006 |
| Withersdale Road Management Company Limited | Households | 2021 |
| WMG Vehicle Management (Retail) Ltd | Wholesale & retail | 2007 |
| Woodcraft of Burston Limited | Manufacturing | 1994 |
| Woolplay Limited | Wholesale & retail | 2005 |
| Www.Bestpricebeds Limited | Wholesale & retail | 2005 |
| Xibu Ltd | Professional & scientific | 2025 |
| XUS Technologies Limited | Information & communication | 2010 |
| Your Future Property Ltd | Real estate | 2024 |
| Yuki Enterprises Limited | Information & communication | 2021 |
| Zeez Sleep Ltd | Professional & scientific | 2007 |