| Trafalgar New Homes Limited | Construction | 2006 |
| Trafalgar Retirement + Limited | Construction | 2016 |
| Trakz Wholesale Limited | Wholesale & retail | 2024 |
| Transcription Ltd | Extraterritorial | 2015 |
| Transigo Limited | Professional & scientific | 2018 |
| Travorama Limited | Professional & scientific | 2006 |
| Truly Scrumptious Cabin Ltd | Hospitality | 2023 |
| Truly Scrumptious Donuts Ltd | Hospitality | 2022 |
| Trundle Advertising and Promotions Ltd | Professional & scientific | 2015 |
| Tunstall Road Management Company Limited | Professional & scientific | 2008 |
| Turnstyles the Football Barber Shop Limited | Other services | 2009 |
| UK Bioscience Consultants Limited | Professional & scientific | 2001 |
| UK Woodland Masters Ltd | Wholesale & retail | 2016 |
| Ultra Beauty Salons Ltd | Other services | 2015 |
| Unicorn Cabinets Limited | Professional & scientific | 1956 |
| Unicorn Frames Limited | Construction | 2001 |
| Unicorn Products Limited | Manufacturing | 1941 |
| Unimillion Ltd | Manufacturing | 2017 |
| Unique Procurements and Logistics Ltd | Administrative & support | 2017 |
| Utilise AB Ltd | Wholesale & retail | 2024 |
| Valance Limited | Administrative & support | 2017 |
| Valkspear Ltd | Real estate | 2023 |
| Vamped Ltd | Other services | 2015 |
| Vane Percy & Roberts Limited | Professional & scientific | 2010 |
| Vaperelle Ltd | Wholesale & retail | 2020 |
| Vargar Group Holdings Limited | Financial services | 2026 |
| Vehvac Ltd | Energy | 1994 |
| Vexour Farm Road Management Company Limited | Administrative & support | 2003 |
| VIA Asha Design Ltd | Professional & scientific | 2018 |
| Victoria Road (Burgess Hill) Management Company Limited | Households | 1986 |
| Victus Estates (5) Limited | Real estate | 2013 |
| Vidgen Ltd | Professional & scientific | 2024 |
| Vijay Shah and Co Ltd | Professional & scientific | 2022 |
| Village Life Publishing Ltd | Information & communication | 2022 |
| Viola Services Limited | Real estate | 2007 |
| Vista Publishing | Arts & recreation | 1986 |
| Vitro Vitality Games Ltd | Administrative & support | 2026 |
| Vitromet Limited | Manufacturing | 2025 |
| Voltsource Ltd | Construction | 2022 |
| VW Market Futures Ltd | Information & communication | 2024 |
| W D Solutions Ltd | Wholesale & retail | 2022 |
| W Smithers & Sons Limited | Construction | 2000 |
| Wallace Clean & Build Ltd | Administrative & support | 2026 |
| Walnut Cottage Limited | Professional & scientific | 2010 |
| Waste Machine Ltd | Water & waste | 2021 |
| Waterloo Farm Estates Ltd | Real estate | 2018 |
| WBD Accountants Limited | Professional & scientific | 2006 |
| WE ARE Pepper Pots Ltd | Construction | 2025 |
| WE Care and Support Ltd | Health & social care | 2023 |
| Weald Gardens Management Ltd | Real estate | 2020 |
| Wealden Oak Limited | Wholesale & retail | 1998 |
| Well Place Day Nursery Limited | Education | 2002 |
| Wells Equestrian Limited | Education | 2009 |
| Wellyboots Day Care Limited | Health & social care | 2020 |
| Westbury Court (Beckenham) Freehold Limited | Households | 2025 |
| Western Horsepower Ltd | Information & communication | 2026 |
| Wheels Like New Limited | Wholesale & retail | 2004 |
| White Williams Farms Limited | Agriculture & fishing | 2017 |
| Whitefield Property Holdings Ltd | Real estate | 2015 |
| Whitefields Building Services Ltd | Administrative & support | 2019 |
| Whitefields Group Limited | Professional & scientific | 2017 |
| Whitefields Investment Holdings Limited | Financial services | 2015 |
| Whitefields Management & Consulting Ltd | Professional & scientific | 2015 |
| Whiterock Landscapes Ltd | Administrative & support | 2025 |
| Will Charles Lighting Ltd | Information & communication | 1998 |
| Willerby Landscapes EOT Limited | Administrative & support | 2020 |
| William Allen Investments Limited | Real estate | 1950 |
| William Beaumont LLP | | 2012 |
| Willow and Bert Limited | Manufacturing | 2018 |
| Willow Rental Ltd | Administrative & support | 2018 |
| Willow Wood Gardening and Landscaping Ltd | Agriculture & fishing | 2021 |
| Willsonspropertymaintenance Ltd | Construction | 2025 |
| Wilton Station Road RTM Company Limited | Households | 2024 |
| Windsor Court (West Wickham) Limited | Households | 2002 |
| Winterwave Clothing Ltd | Wholesale & retail | 2025 |
| Wise Leaders (International) Limited | Professional & scientific | 2013 |
| Witan Associates Limited | Professional & scientific | 2022 |
| Wonderfullife Ltd | Real estate | 2023 |
| Woodland Plus Limited | Agriculture & fishing | 1993 |
| Woodward Energy Consulting Ltd | Professional & scientific | 2014 |
| Woodworth Ventures Ltd | Financial services | 2025 |
| WOW Strat Limited | Manufacturing | 2022 |
| WR Contractors Ltd | Construction | 2020 |
| Wulftek Ltd | Information & communication | 2024 |
| Wynd Transport Ltd | Transport & logistics | 2019 |
| Yellow Kite Solutions Limited | Information & communication | 2024 |
| Young Persons' Sports Academy Ltd | Arts & recreation | 2010 |
| Z Stick Ltd | Information & communication | 2026 |
| Zain Investments (UK) Limited | Wholesale & retail | 2012 |
| ZAL Mechanical Services Group Limited | Construction | 2020 |
| ZAL Mechanical Services Limited | Construction | 2018 |
| Zepbrook Limited | Hospitality | 1982 |
| Zion Domain Properties Limited | Real estate | 2022 |