| TGA UK Holdings Limited | Professional & scientific | 2016 |
| TGB Holdings Limited | Professional & scientific | 2015 |
| TGH (Commercial) Limited | Construction | 2009 |
| TGH Trading Ltd | Information & communication | 2005 |
| TGT Estates Limited | Real estate | 2026 |
| TGV Delivery Ltd | Transport & logistics | 2023 |
| Th!Nk Property Ltd | Real estate | 2016 |
| Thaab UK Limited | Real estate | 2008 |
| Thai Boran Street Food Limited | Hospitality | 2018 |
| Thai Delish Limited | Hospitality | 2025 |
| Thai Experience Limited | Hospitality | 2022 |
| Thai Lanna (Norwich) Limited | Hospitality | 2026 |
| Thailand Restaurant (Norwich) Limited | Hospitality | 2024 |
| Thakker IT Solutions Limited | Information & communication | 2016 |
| Thamesmooring.Com (UK) Limited | Manufacturing | 2010 |
| Thandiwes Future Ltd | Professional & scientific | 2025 |
| Thanzy Pharm Solutions Limited | Professional & scientific | 2015 |
| That Pommie Girl Ltd | Professional & scientific | 2015 |
| That Shot Media Ltd | Information & communication | 2026 |
| That Stupid Game Company Ltd | Financial services | 2024 |
| That's a Wrap Norwich Ltd | Hospitality | 2025 |
| Thats Holdings Ltd | Real estate | 2025 |
| Thats Lettings Ltd | Real estate | 2020 |
| Thats Property Ltd | Real estate | 2023 |
| Thats Residential Ltd | Real estate | 2025 |
| That’S Design Ltd | Manufacturing | 2020 |
| Thdige Limited | Professional & scientific | 2024 |
| THE 10 Percent Club Ltd | Other services | 2025 |
| THE 1AM Room Ltd | Information & communication | 2026 |
| THE 26 Club Ltd | Wholesale & retail | 2025 |
| THE 401 Challenge Ltd | Administrative & support | 2017 |
| THE 62 Yarmouth Road Management Company Limited | Real estate | 2001 |
| THE Academy Early Years Childcare Limited | Health & social care | 2012 |
| THE Academy of Coaching Mentoring & Training Ltd | Administrative & support | 2023 |
| THE Acclaimed Software Company Ltd | Information & communication | 2004 |
| THE Acclaimed Umbrella Ltd | Administrative & support | 2011 |
| THE Accountax Assist Ltd | Professional & scientific | 2018 |
| THE Accounting PIG Limited | Professional & scientific | 2016 |
| THE Acle Steak Ltd | Hospitality | 2023 |
| THE Acorn Co-Operative Learning Alliance | Education | 2014 |
| THE Affinity Care Group Ltd | Professional & scientific | 2024 |
| THE African Centre | Education | 2022 |
| THE Africn Museum (African Museum) | Arts & recreation | 2025 |
| THE Aiker Group Ltd | Administrative & support | 2017 |
| THE Alarm Company (Norwich) Limited | Construction | 1992 |
| THE Alchemists Cupboard Limited | Administrative & support | 2014 |
| THE Alexandra Hotel Limited | Hospitality | 2007 |
| THE Allergy-Immunology Doctor Ltd | Health & social care | 2020 |
| THE ALT Co. Creative LAB Ltd | Information & communication | 2023 |
| THE Ambitions Agency Ltd | Professional & scientific | 2019 |
| THE Ambry Clinic Ltd | Health & social care | 2026 |
| THE Angel Inn Loddon Ltd | Hospitality | 2022 |
| THE Anglian Conservatory Company Limited | Extraterritorial | 1997 |
| THE Annex ( Norfolk) Limited | Manufacturing | 2012 |
| THE Annex Academy Ltd | Education | 2024 |
| THE Annex Accessories Ltd | Wholesale & retail | 2021 |
| THE Annex Kitchens Ltd | Manufacturing | 2023 |
| THE Annuity Exchange Ltd | Information & communication | 2001 |
| THE Anteros Arts Foundation | Arts & recreation | 2009 |
| THE Arabian Magazine Ltd | Information & communication | 2017 |
| THE ARC Building Freehold Limited | Households | 2024 |
| THE ARK 42 Limited | Wholesale & retail | 2024 |
| THE Arrogant BBQ Limited | Hospitality | 2025 |
| THE Artificial Intelligence Board Ltd | Education | 2023 |
| THE Artisan Cafe Ltd | Hospitality | 2020 |
| THE ASH Tree Therapies Ltd | Health & social care | 2024 |
| THE Assay Limited | Wholesale & retail | 2012 |
| THE Assembly House Trust | Administrative & support | 2005 |
| THE Assortment Group Ltd | Hospitality | 2024 |
| THE Aylsham Agricultural Show Association Limited | Arts & recreation | 1987 |
| THE Aylsham Community Organisation | Education | 2022 |
| THE Aylsham Community Trust (Families) | Education | 2019 |
| THE Bali Aesthetic Limited | Wholesale & retail | 2025 |
| THE Bandwagon Ltd | Education | 2016 |
| THE Bangar Stop Ltd | Hospitality | 2021 |
| THE Barn Treatment Rooms Ltd | Other services | 2017 |
| THE Bay Hair Ltd | Other services | 2014 |
| THE Bean Method Ltd | Other services | 2026 |
| THE Beauty Barn Heydon Limited | Other services | 2019 |
| THE Beauty Box Shop Limited | Wholesale & retail | 2009 |
| THE Beauty Lounge Norwich Ltd | Extraterritorial | 2021 |
| THE Beauty Salon Ltd | Other services | 2012 |
| THE Belgian Monk | | 2003 |
| THE Benjamin Foundation | Health & social care | 1999 |
| THE Bennett Boys Ltd | Real estate | 2025 |
| THE Best Intensive Ltd | Education | 2019 |
| THE Best Service Group Ltd | Water & waste | 2018 |
| THE Beyond Group East Anglia Limited | Professional & scientific | 2023 |
| THE Big C Appeal Limited | Health & social care | 1980 |
| THE Big Deal Catering Ltd | Hospitality | 2016 |
| THE Birmingham Theatre School Limited | Education | 1988 |
| THE Bistro on the Beach Limited | Hospitality | 2011 |
| THE BIT Team Ltd | Professional & scientific | 2012 |
| THE BL3ND Creative Ltd | Professional & scientific | 2026 |
| THE Black Dog Music Project | Arts & recreation | 2013 |
| THE Black Swan Inn Ltd | Hospitality | 2022 |
| THE Blinds Group Limited | Extraterritorial | 2024 |
| THE Bloom Room Aesthetics Ltd | Other services | 2025 |
| THE Blue Lagoon (Evesham) Limited | Hospitality | 2014 |
| THE Blyth Hotel Ltd | Professional & scientific | 2014 |