| Tailored Beauty Ltd | Other services | 2025 |
| Take 2 Production Company Limited | Arts & recreation | 2017 |
| Talbot Accommodation Ltd | Real estate | 2022 |
| Talurit (UK) Limited | Manufacturing | 1999 |
| TAM Consulting Ltd | Administrative & support | 2024 |
| Tamelo Properties Limited | Real estate | 2024 |
| TAN Legacy Ltd | Other services | 2025 |
| Tandm Products Ltd | Wholesale & retail | 2025 |
| Tang Care Ltd | Health & social care | 2025 |
| Tank Consult Limited | Construction | 2013 |
| Tanked Ltd | Wholesale & retail | 2023 |
| Tankersley (UK) Ltd | Professional & scientific | 2018 |
| Tankersley Community Association | Education | 1995 |
| Tapcoenpro UK Ltd | Manufacturing | 2015 |
| Tapfreight EOT Limited | Financial services | 2024 |
| Tapfreight Holdings Limited | Transport & logistics | 2022 |
| Tapfreight Limited | Transport & logistics | 1989 |
| Tapton Holt Holdings Ltd | Real estate | 2025 |
| Tapton Holt Ltd | Health & social care | 2021 |
| Target Projects Limited | Extraterritorial | 2019 |
| Targeted Agency Limited | Administrative & support | 2018 |
| Targetfinal Residents Management Limited | Households | 1988 |
| Tarn END TAP Limited | Hospitality | 2022 |
| Tarn House RTM Company Limited | Households | 2020 |
| Tarr Properties Ltd. | Households | 2023 |
| Tasker & Smith Ltd | Professional & scientific | 2024 |
| Taste Purple Ltd | Professional & scientific | 2023 |
| TASTYPIZZA1 Ltd | Hospitality | 2024 |
| Tate Property Ltd | Households | 2025 |
| Tattie Lady Ltd | Hospitality | 2023 |
| TAV Care Limited | Public administration | 2026 |
| Taylor Concrete Reinforcements Limited | Construction | 2014 |
| Taylor Made Properties Limited | Real estate | 2020 |
| Taylor Project Management Limited | Construction | 2018 |
| Taylor Shaw Investments Limited | Real estate | 2026 |
| Taylormade Signs & Banners Ltd | Manufacturing | 2011 |
| Taylors Bodyshop Limited | Wholesale & retail | 2022 |
| Taylors Rail Ltd | Construction | 2019 |
| TB Developers Ltd | Wholesale & retail | 2021 |
| TBC Home Improvements Ltd | Construction | 2024 |
| Tbchq Ltd | Wholesale & retail | 2021 |
| Tbosa Ltd | Wholesale & retail | 2021 |
| Tbuassociates Ltd | Professional & scientific | 2010 |
| TD Handyman Ltd | Transport & logistics | 2019 |
| Teachersuk Limited | Professional & scientific | 2002 |
| Teachmateai Ltd | Information & communication | 2023 |
| Team Elrington Ltd | Hospitality | 2019 |
| Teasdale Motorcycles Ltd | Wholesale & retail | 2003 |
| Tech Bandit Limited | Professional & scientific | 2020 |
| Tech LED Ltd | Wholesale & retail | 2011 |
| Techking Ltd | Manufacturing | 2017 |
| Technique Scaffolding Inc Ltd | Construction | 2020 |
| TEE POT Cafe Limited | Hospitality | 2021 |
| TEE Time Social Golf Ltd | Arts & recreation | 2026 |
| Teirah Ltd | Other services | 2020 |
| Tekhnee Communications Limited | Construction | 2021 |
| Tell US a Tail Ltd | Health & social care | 2023 |
| Temp Scaffold Design & Engineering Ltd | Professional & scientific | 2022 |
| Temper Design Limited | Construction | 2013 |
| TEMPS2WORK CIC | Professional & scientific | 2006 |
| Tempus Talents Limited | Professional & scientific | 2025 |
| Tendos Services Ltd | Health & social care | 2018 |
| Tenflow Limited | Hospitality | 1984 |
| Tennant Lettings Limited | Real estate | 2022 |
| Tennyson Optical Limited | Health & social care | 2012 |
| Tennyson Road 1959 Limited | Extraterritorial | 2014 |
| Terra Freight Ltd. | Transport & logistics | 2019 |
| Terrapin Global Shipping Recruitment Limited | Administrative & support | 2012 |
| TEST4 Limited | Professional & scientific | 2018 |
| Testing Property Limited | Real estate | 2015 |
| TEV Health Care Ltd | Health & social care | 2022 |
| Tewkesbury Private Hire Ltd | Transport & logistics | 2021 |
| Tewkesbury Together Limited | Professional & scientific | 2021 |
| Texture by MEG Ltd | Arts & recreation | 2025 |
| TF Heating (Yorkshire) Ltd | Construction | 2024 |
| Tfwb Limited | Hospitality | 2012 |
| TG Welding Services Ltd | Construction | 2024 |
| Tgcom Ltd | Health & social care | 2022 |
| TGI Quick Limited | Extraterritorial | 2011 |
| TGI Quick Repairs Limited | Extraterritorial | 2014 |
| Thackray Animal Feeds Ltd | Wholesale & retail | 2025 |
| Thackray Plant Training Limited | Education | 2024 |
| Thai 25 Street Food Ltd | Hospitality | 2023 |
| Thannis Ventures Limited | Real estate | 2025 |
| That Agile Limited | Other services | 2016 |
| That FOG Light GUY Ltd | Wholesale & retail | 2019 |
| That Girl Cooks Healthy Ltd | Professional & scientific | 2022 |
| Thawley Brothers (New) Ltd | Agriculture & fishing | 2013 |
| Thawleys Builders Ltd | Construction | 2005 |
| Thaya Properties Ltd | Real estate | 2026 |
| THE (M & B.D.) Toolshed Company Limited | Wholesale & retail | 1998 |
| THE Academy Theatre Limited | Arts & recreation | 2017 |
| THE Active Club LLP | | 2019 |
| THE Aesthetics DR Limited | Health & social care | 2019 |
| THE Aesthetics Guild Ltd | Administrative & support | 2020 |
| THE Agency Yorkshire Limited | Administrative & support | 2026 |
| THE ALE Club Ltd | Hospitality | 2014 |
| THE ALL in One Language School Limited | Professional & scientific | 2015 |
| THE Alusec EOT Trustee Company Limited | Financial services | 2025 |
| THE Artificial Lawn Warehouse Limited | Wholesale & retail | 2017 |