| Turner Industrial Maintenance Ltd | Manufacturing | 2025 |
| TVS Ebike Company Limited | Administrative & support | 2010 |
| Twindl Ltd | Professional & scientific | 2020 |
| Twinscape Estates Limited | Real estate | 2026 |
| TX4U Ltd | Information & communication | 2026 |
| Txdx Delivery Holdings Ltd | Financial services | 2026 |
| Tylee Consulting Limited | Professional & scientific | 2019 |
| Tylee Engineering Limited | Professional & scientific | 2020 |
| Tylee Investment Limited | Financial services | 2020 |
| Tylee Limited | Professional & scientific | 2019 |
| UI Tech Limited | Information & communication | 2018 |
| UK Aeronautical Precision Bearing Ltd | Manufacturing | 2021 |
| UK Bearings Universal Tech Group Co., Ltd | Manufacturing | 2019 |
| UK Bill Raga Brewery Co., Ltd | Professional & scientific | 2017 |
| UK Blue Sky Trading Co., Ltd | Administrative & support | 2024 |
| UK Cambridge Regenerative Medicine Limited | Manufacturing | 2024 |
| UK Clarian Group Co., Ltd | Manufacturing | 2021 |
| UK D&R Trading Limited | Administrative & support | 2019 |
| UK Debangnongyefei International Group Co., Limited | Extraterritorial | 2018 |
| UK Dicos Industrial Co., Ltd | Wholesale & retail | 2017 |
| UK Emily Co., Ltd | Extraterritorial | 2024 |
| UK Enron Fluid Controls Ltd | Manufacturing | 2024 |
| UK FZ Bearing (Group) Co., Ltd | Extraterritorial | 2013 |
| UK Good Harvest Agricultural Technology Co., Ltd | Mining & quarrying | 2025 |
| UK GSK Automobile Co., Ltd | Extraterritorial | 2021 |
| UK Hongboruichuang Technology Limited | Wholesale & retail | 2014 |
| UK Hzko Electronic Technology Co., Ltd | Administrative & support | 2021 |
| UK Immigration Pathways Limited | Administrative & support | 2025 |
| UK Inhou Co ., Ltd | Extraterritorial | 2014 |
| UK International Medical Group Co., Ltd | Manufacturing | 2023 |
| UK Lagerfeid International Investment Limited | Manufacturing | 2023 |
| UK Levin Sleep Furniture Limited | Extraterritorial | 2017 |
| UK Liantai Co., Limited | Manufacturing | 2017 |
| UK Louis Holdings Ltd | Manufacturing | 2018 |
| UK Meibaolain International Holding Food Co., Limited | Extraterritorial | 2017 |
| UK Monroe Naji Skincare International Company Limited | Manufacturing | 2026 |
| UK Nutrid Ltd. | Manufacturing | 2024 |
| UK Patrician International Group Co., Ltd | Extraterritorial | 2018 |
| UK Pioneer Academic Publishing House Limited | Information & communication | 2024 |
| UK Plant Operators Limited | Information & communication | 2022 |
| UK PSH Business Secretary Limited | Extraterritorial | 2021 |
| UK Qianfang International Chemical Group Limited | Manufacturing | 2024 |
| UK Saitemu International Biology Ltd | Extraterritorial | 2019 |
| UK Shengma Chemical International Ltd | Extraterritorial | 2019 |
| UK Single World Vehicle Co., Ltd | Manufacturing | 2018 |
| UK Skin Memo Group Co., Ltd | Extraterritorial | 2018 |
| UK Stfenvilict Co., Ltd | Extraterritorial | 2017 |
| UK VVV Music Group Ltd | Extraterritorial | 2017 |
| UK Yingjie Trading Limited | Wholesale & retail | 2023 |
| UK Yolanda Industrial Co., Ltd | Extraterritorial | 2015 |
| UKG Smart Limited | Extraterritorial | 2017 |
| Ukmdx Ltd | Wholesale & retail | 2024 |
| UM (UK) Industrial Co., Limited | Manufacturing | 2018 |
| Unichill Limited | Manufacturing | 2019 |
| Uniflare (Africa) Limited | Manufacturing | 2011 |
| Uniflare (Europe) Limited | Manufacturing | 2014 |
| Uniflare Biogas Limited | Manufacturing | 2015 |
| Uniflare Global Limited | Manufacturing | 2022 |
| Uniflare Group Limited | Manufacturing | 2014 |
| Uniflare International Limited | Manufacturing | 2014 |
| Uniflare Ltd. | Manufacturing | 2006 |
| Uniflare Management Limited | Administrative & support | 2012 |
| Unionall Corporation Ltd. | Administrative & support | 2019 |
| Unipaye Limited | Administrative & support | 2015 |
| Unipipe Limited | Manufacturing | 2014 |
| Unistar Investment and Consulting Service Company Ltd | Financial services | 2023 |
| Unit 8 Rotherbrook Court Management Company Limited | Real estate | 2008 |
| Unit One Vehicle Services Limited | Wholesale & retail | 2003 |
| United Furniture Components Ltd | Wholesale & retail | 2025 |
| United Kingdom Dcsin Chemical Group Co., Ltd | Extraterritorial | 2020 |
| United Kingdom Polocrosse Association Limited | Arts & recreation | 2004 |
| Unorthodox Music Limited | Information & communication | 2025 |
| UP Top Trading Co., Ltd | Extraterritorial | 2017 |
| Upper Townhouse Longborough SPV Ltd | Real estate | 2020 |
| Upspring International Limited | Extraterritorial | 2017 |
| Uscar International Trade Co., Ltd | Administrative & support | 2026 |
| Useful Humans Ltd | Professional & scientific | 2018 |
| USF Ingredients Co., Ltd | Administrative & support | 2014 |
| Usita Group Limited | Wholesale & retail | 2018 |
| Utocom Co., Ltd | Extraterritorial | 2019 |
| Utopia Nails and Beauty Limited | Other services | 2003 |
| Valentine Coaching Solutions Limited | Arts & recreation | 2014 |
| Valhalla Limited | Real estate | 2000 |
| Valuable Auction Ltd | Administrative & support | 2019 |
| Value Added Supply Chain Solution PVT Limited | Administrative & support | 2019 |
| Valve Control Technology Ltd | Extraterritorial | 2014 |
| Vankom Technology Co., Ltd | Administrative & support | 2010 |
| Vanstraelen Management Ltd | Extraterritorial | 2022 |
| VB Architects Limited | Professional & scientific | 2009 |
| VDA Invest Ltd | Extraterritorial | 2023 |
| Vectura Water Technologies Ltd | Manufacturing | 2025 |
| Ventureserve Ltd | Agriculture & fishing | 2012 |
| Verde Tecnica Limited | Professional & scientific | 2024 |
| Vermala Group Holdings Ltd | Financial services | 2024 |
| Vermala Group Ltd | Agriculture & fishing | 2024 |
| Verspec Valve Moyan Co., Ltd. | Manufacturing | 2018 |
| Verve Poetry Festival C.I.C. | Arts & recreation | 2022 |
| Verve Poetry Press Ltd | Information & communication | 2018 |
| Vhid Ltd | Manufacturing | 2025 |
| Vicarage Holdings Limited | Professional & scientific | 1995 |