| TCH Housing Ltd | Real estate | 2018 |
| Teacher's Pet Limited | Education | 2019 |
| Team Lionheart Limited | Wholesale & retail | 2017 |
| Tean Ltd | Administrative & support | 2013 |
| Tean Mills Management Company Limited | Real estate | 2005 |
| Teceramic Consultants Limited | Administrative & support | 1992 |
| Tech Communications Limited | Wholesale & retail | 2019 |
| Tech Growth Experts Ltd | Wholesale & retail | 2025 |
| Technical Tape Productions Limited | Professional & scientific | 1992 |
| Technology Investment Group Limited | Information & communication | 2022 |
| Techsage Consulting Limited | Information & communication | 2025 |
| Tectonic Facades Limited | Manufacturing | 2016 |
| Tedheiros Ltd | Real estate | 2021 |
| Teds Holdings Limited | Financial services | 2024 |
| Teds Plant Limited | Extraterritorial | 2020 |
| Teds Trucks Limited | Wholesale & retail | 2017 |
| Teeq Limited | Wholesale & retail | 2021 |
| Tekclean Ltd | Extraterritorial | 2025 |
| Tele Traders Limited | Wholesale & retail | 2025 |
| Tella Solutions Ltd | Information & communication | 2025 |
| Telot Limited | Real estate | 2021 |
| Templar Shield Limited | Real estate | 2023 |
| Terme 1980 Ltd | Hospitality | 2019 |
| Terry's Fabric Warehouse Limited | Wholesale & retail | 1998 |
| Terry's Textiles Limited | Wholesale & retail | 2000 |
| Testablanza Ltd | Health & social care | 2022 |
| Texas Star 2 Ltd | Hospitality | 2019 |
| Tgjs Ltd | Health & social care | 2026 |
| TGM Media Limited | Information & communication | 2016 |
| TH Investment Solutions Ltd | Real estate | 2026 |
| Thai Enterprises (UK) Ltd | Hospitality | 2012 |
| Thctransport Ltd | Transport & logistics | 2019 |
| THE Accountsmith Accountants Limited | Professional & scientific | 2023 |
| THE Anchor Bar Limited | Hospitality | 2010 |
| THE Anderson Shop Ltd | Wholesale & retail | 2024 |
| THE Baldwins Gate Management Company Limited | Households | 1996 |
| THE Barber Club - ST5 Ltd | Other services | 2019 |
| THE Beat Suite Music Publishing Limited | Information & communication | 2007 |
| THE Black Lake Inn Limited | Hospitality | 2012 |
| THE Blinky Blanket Company Limited | Wholesale & retail | 2021 |
| THE Bonbon 1951 Ltd | Wholesale & retail | 2025 |
| THE Bookkeeping DEN Limited | Professional & scientific | 2020 |
| THE Brew & Barrel Ltd | Wholesale & retail | 2024 |
| THE Briers Limited | Hospitality | 2026 |
| THE Brimstone Advantage Limited | Information & communication | 2014 |
| THE Brownlow Inn (Property) Limited | Real estate | 2012 |
| THE Brownlow Inn Limited | Hospitality | 2012 |
| THE Busy Club Ltd | Manufacturing | 2022 |
| THE Butterfly Townhouse Ltd | Other services | 2020 |
| THE Cannon Gateshead Ltd | Hospitality | 2026 |
| THE Cask Bar Limited | Hospitality | 2017 |
| THE Clay Project Studio Limited | Hospitality | 2024 |
| THE Clinique Dental Practice Ltd | Health & social care | 2016 |
| THE Coal House Publishing Limited | Information & communication | 2021 |
| THE Comfy Client Ltd | Administrative & support | 2007 |
| THE Confidence Coach Limited | Arts & recreation | 2023 |
| THE Confidence Coach Morpeth Ltd | Health & social care | 2022 |
| THE Crows Nest Bar Ltd | Hospitality | 2023 |
| THE Firs Limited | Health & social care | 2003 |
| THE Fragrance & Time House Ltd | Wholesale & retail | 2026 |
| THE Garage (Chesterton) Limited | Wholesale & retail | 2013 |
| THE Garden Shed Bar Ltd | Hospitality | 2026 |
| THE GAS Shipping Company Ltd | Energy | 2020 |
| THE Gifted BEE Limited | Wholesale & retail | 2020 |
| THE Gifted Maker Limited | Wholesale & retail | 2023 |
| THE Grange (Fenham) Resident Management Company Limited | Households | 2020 |
| THE Grid Games Ltd | Arts & recreation | 2026 |
| THE Hard Days Night Limited | Hospitality | 2017 |
| THE HAT Company (UK) Limited | Wholesale & retail | 2014 |
| THE Hubb Foundation | Health & social care | 2018 |
| THE Investment Mill Ltd | Real estate | 2020 |
| THE Irish GUY Limited | Arts & recreation | 2022 |
| THE Kebab Ltd | Hospitality | 2025 |
| THE Kids-Hub NE Ltd | Health & social care | 2022 |
| THE Lady Power Limited | Public administration | 2023 |
| THE Lakeside Cake Shack Ltd | Hospitality | 2022 |
| THE Laura Miller Management Company Ltd | Professional & scientific | 2020 |
| THE Lovatt Company Ltd | Professional & scientific | 2021 |
| THE Lyme Nursery Limited | Other services | 2012 |
| THE Marketing Goblin Ltd | Professional & scientific | 2026 |
| THE Men's Room Wolstanton Ltd | Other services | 2022 |
| THE Mobile Phone Recycling Company (UK) Limited | Extraterritorial | 2003 |
| THE Mono Dynasty Limited | Hospitality | 2020 |
| THE Mountain Trike Company Limited | Administrative & support | 2008 |
| THE Music Store Limited | Wholesale & retail | 2013 |
| THE Music Store Online Ltd | Wholesale & retail | 2025 |
| THE Nest Stoke Limited | Real estate | 2021 |
| THE New Curry HUT Limited | Hospitality | 2023 |
| THE Nrml Fit Ltd | Manufacturing | 2026 |
| THE OBJ Ltd | Hospitality | 2018 |
| THE Old Little Grey Horsebox Limited | Hospitality | 2021 |
| THE Old Railway House Limited | Hospitality | 2025 |
| THE Old Rectory Kindergarten Limited | Health & social care | 2011 |
| THE Padel Factory UK Limited | Arts & recreation | 2025 |
| THE Pantry Newcastle Limited | Other services | 2021 |
| THE Parlour Hair Boutique Limited | Other services | 2006 |
| THE Parogon PUB Company Limited | Hospitality | 2007 |
| THE Parogon PUB Group Limited | Administrative & support | 2010 |
| THE Persian Spirit Company Ltd | Information & communication | 2015 |
| THE Peter PAN Centre Ltd | Education | 2010 |