| THE Cutting List Ltd | Wholesale & retail | 2021 |
| THE D&S Property Management Ltd | Real estate | 2019 |
| THE D'Anunzio Group Ltd | Information & communication | 2022 |
| THE Dancing Factory Ltd | Arts & recreation | 2018 |
| THE DAZ Group Ltd | Wholesale & retail | 2025 |
| THE Discount Store Hayes Ltd | Wholesale & retail | 2022 |
| THE Drinks Club Ltd | Wholesale & retail | 2013 |
| THE Eggless Cakebox (Hayes) Limited | Wholesale & retail | 2011 |
| THE Electric Car Scheme Holdings Ltd | Professional & scientific | 2021 |
| THE Electric Car Scheme Ltd | Administrative & support | 2020 |
| THE Elegant Consultants Ltd | Information & communication | 2021 |
| THE Food Supply Distribution Ltd | Wholesale & retail | 2025 |
| THE Food Supply Group Ltd | Financial services | 2025 |
| THE Foundation Group of Companies Limited | Professional & scientific | 2001 |
| THE Froste and Friend Limited | Hospitality | 2025 |
| THE Gatmaitan Limited | Health & social care | 2014 |
| THE Gear House Ltd | Wholesale & retail | 2025 |
| THE Generation Studies UK Ltd | Education | 2022 |
| THE George (BPR) Ltd | Real estate | 2012 |
| THE Global Lane Ltd | Transport & logistics | 2025 |
| THE Golden Beatle Ltd | Transport & logistics | 2026 |
| THE Greencliffe Foundation Ltd | Professional & scientific | 2021 |
| THE Grill House Limited | Hospitality | 2015 |
| THE Group of Creative Limited | Wholesale & retail | 2024 |
| THE Hair Lounge by Angelina Ltd | Other services | 2020 |
| THE Hairdressers (Hayes) Limited | Other services | 2023 |
| THE Healing Practice Ltd | Health & social care | 2025 |
| THE Helix Academy Ltd | Education | 2026 |
| THE Hillingdon Chamber of Commerce Limited | Other services | 1999 |
| THE Hothouse Steak & Vibes Ltd | Wholesale & retail | 2021 |
| THE Huntly Arms Hotel Ltd | Real estate | 2021 |
| THE ICM Group Ltd | Administrative & support | 2020 |
| THE Independent Distributor Alliance Limited | Other services | 2017 |
| THE Indian Snack Bar Ltd | Hospitality | 2024 |
| THE JAY Stones Construction Limited | Construction | 2025 |
| THE Kebab King London Ltd | Hospitality | 2015 |
| THE Kingdom Group of Companies Ltd | Professional & scientific | 2019 |
| THE Kong Vision Ltd | Real estate | 2019 |
| THE Left Hand Drive Car Showroom Ltd | Wholesale & retail | 2015 |
| THE Levyne Group Ltd | Financial services | 2017 |
| THE London ROY Barber Shop Ltd | Other services | 2023 |
| THE London Suppliers Ltd | Wholesale & retail | 2025 |
| THE Macoron Junction Ltd | Real estate | 2025 |
| THE Market Design and Build Limited | Construction | 2013 |
| THE Master Gifts and Souvenirs Limited | Wholesale & retail | 2025 |
| THE Mavericks Grooming Ltd | Other services | 2023 |
| THE Maystre Ltd | Construction | 2026 |
| THE Mind Plan Journal Ltd | Information & communication | 2024 |
| THE Modern Design and Build Limited | Construction | 2016 |
| THE Nectar Estates Ltd | Real estate | 2011 |
| THE Nest Climbing Limited | Arts & recreation | 2016 |
| THE Never Ending Story Day Nursery Ltd | Education | 2023 |
| THE Next Page IT Solutions Ltd | Wholesale & retail | 2022 |
| THE Nova Project Initiative CIC | Education | 2025 |
| THE Nozuz Ltd | Wholesale & retail | 2025 |
| THE Old Punjab Construction Ltd | Construction | 2026 |
| THE Ostrich (Colnbrook) Limited | Hospitality | 2021 |
| THE Palm Money Services Ltd | Financial services | 2018 |
| THE Phat Chippy Ltd | Hospitality | 2024 |
| THE Platform Studio Ltd | Professional & scientific | 2026 |
| THE Property Cube (TPC) Limited | Real estate | 2024 |
| THE Property Headhunter Limited | Real estate | 2024 |
| THE Regulated Family Project C.I.C. | Health & social care | 2026 |
| THE Rock Leaf Ltd | Administrative & support | 2022 |
| THE Rosedale Hewens Academy Trust | Education | 2011 |
| THE Roti Box Ltd | Manufacturing | 2025 |
| THE Site Hub Ltd | Professional & scientific | 2023 |
| THE Sorelle Group Ltd | Education | 2018 |
| THE Stripping and Blasting Co Ltd | Manufacturing | 2019 |
| THE Sunrise Community Trust | Administrative & support | 2007 |
| THE Sweets Hub Ltd | Wholesale & retail | 2023 |
| THE Swift Deal Limited | Wholesale & retail | 2026 |
| THE Tech Market Limited | Wholesale & retail | 2026 |
| THE Tijnam Ltd | Real estate | 2025 |
| THE Tiny Little Wardrobe Ltd | Wholesale & retail | 2019 |
| THE Tool & Gauge Company (UK) Limited | Wholesale & retail | 2012 |
| THE UK Tour and Travel Limited | Administrative & support | 2019 |
| THE Vendfinity Limited | Wholesale & retail | 2025 |
| THE Venue Bazaar Ltd | Professional & scientific | 2020 |
| THE Village Cafe (Hayes) Limited | Hospitality | 2016 |
| THE VIP Studio London Limited | Information & communication | 2014 |
| THE White Hart Harlington Limited | Hospitality | 2025 |
| THE Wildflower Foundation | Professional & scientific | 2021 |
| THE Willows School Academy Trust | Education | 2011 |
| THE Yellow Rosse Ltd | Administrative & support | 2025 |
| Theelondonchauffeurs Ltd | Transport & logistics | 2025 |
| Theen Suvai Ltd | Hospitality | 2026 |
| Thefabulicious Ltd | Wholesale & retail | 2024 |
| Theia Optics Ltd | Wholesale & retail | 2026 |
| Themuawiz Ltd | Wholesale & retail | 2026 |
| Thermogk Ltd | Professional & scientific | 2025 |
| Theypoopwescoop Ltd | Water & waste | 2025 |
| Thinc Solutions Ltd | Information & communication | 2019 |
| Thind & Sons Painters Limited | Construction | 2025 |
| Thind Brothers Construction Limited | Construction | 2024 |
| Thind Concrete Ltd | Construction | 2026 |
| Thind Construction Limited | Other services | 2013 |
| Thind Developers Ltd | Construction | 2018 |
| Thind Real Estate Ltd | Real estate | 2022 |
| Things Web Ltd | Information & communication | 2024 |