| Technocrat Engineers Limited | Professional & scientific | 2017 |
| Tecsium Limited | Information & communication | 2013 |
| Teddie Little Limited | Health & social care | 2021 |
| Teething Limited | Health & social care | 2016 |
| Tehran Station Ltd | Wholesale & retail | 2022 |
| Tekantis Limited | Information & communication | 2024 |
| Tekdis Limited | Wholesale & retail | 2012 |
| Tekels Avenue Residents Association Limited | Other services | 1966 |
| Tekels Lodge Management Limited | Households | 2006 |
| Tekplas Limited | Manufacturing | 1997 |
| Tell Somebody CIC | Education | 2025 |
| Tellestia Properties Ltd | Real estate | 2019 |
| Telling Stories Through Time Limited | Wholesale & retail | 2025 |
| Temperm Recruitment Limited | Administrative & support | 2023 |
| Temples (Nantwich) Limited | Extraterritorial | 2001 |
| Temporary Juttla Services Ltd | Other services | 2025 |
| Temptopia Group Limited | Administrative & support | 2025 |
| Temptopia Healthcare Recruitment Limited | Administrative & support | 2019 |
| TEN Catering Ltd | Hospitality | 2012 |
| Tender Touch (UK) Limited | Administrative & support | 2004 |
| Tenere Partners Ltd | Professional & scientific | 2020 |
| Tennant Property Lettings Limited | Real estate | 2002 |
| Tent Records Ltd | Extraterritorial | 2003 |
| Teqnic Limited | Education | 2020 |
| Terry O’Sullivan Construction Limited | Construction | 2023 |
| Terumo UK Limited | Wholesale & retail | 2002 |
| Tervel Consulting Ltd | Information & communication | 2023 |
| Texas LAB Technologies Ltd. | Manufacturing | 2021 |
| TFB Networks Limited | Construction | 2012 |
| TG Group and More Limited | Real estate | 2021 |
| TGS (Southern) Ltd | Construction | 2014 |
| Thagos.Com Ltd | Arts & recreation | 1999 |
| Thai Golf Travel Ltd | Hospitality | 2024 |
| Thames Bridge House MGT Ltd | Households | 2024 |
| Thames Valley Churches of Christ | Other services | 2003 |
| Thames Valley Preservation Limited | Construction | 2001 |
| Thames Valley Securitek Ltd | Administrative & support | 2008 |
| Thara Patong Title Limited | Professional & scientific | 1994 |
| Tharchitecture Ltd | Information & communication | 2022 |
| THE 21 Claremont Road Residents Association Limited | Real estate | 2004 |
| THE A-Z Electrical Company Limited | Wholesale & retail | 1992 |
| THE Academy of Free Will Teaching Limited | Education | 2021 |
| THE Acorns (Frimley Green) Residents Management Company Ltd | Households | 2021 |
| THE Albstar Ltd | Transport & logistics | 2022 |
| THE Amity Community Project CIC | Health & social care | 2020 |
| THE Art Market Ltd | Wholesale & retail | 2025 |
| THE Ashtrees RTM Company Ltd | Households | 2019 |
| THE Association of Labour Providers Limited | Other services | 2015 |
| THE Autism Trust Limited | Administrative & support | 2006 |
| THE Avenue Freehold Limited | Households | 2013 |
| THE Barons (Frimley) Management Company Limited | Real estate | 1997 |
| THE Bartrams Residents Company Limited | Households | 2016 |
| THE Beacon Church Camberley | Other services | 2004 |
| THE Beekeeping Dream Ltd | Agriculture & fishing | 2025 |
| THE Berkshire Dental Laboratory Limited | Health & social care | 2010 |
| THE Berkshire Laser Room Limited | Other services | 2025 |
| THE Big Green Electrical Company Ltd | Construction | 2017 |
| THE Birchlands Number 1 Residents Association Limited | Households | 1989 |
| THE Blackburn Aeroplane & Motor Co. Limited | Extraterritorial | 1959 |
| THE Bleep 360 Group Limited | Administrative & support | 2021 |
| THE Blue Light Health Club Ltd | Arts & recreation | 2025 |
| THE Breed Boutique Ltd | Wholesale & retail | 2022 |
| THE British & Colonial Aeroplane Co. Limited | Extraterritorial | 1936 |
| THE Business Plan People Limited | Professional & scientific | 2009 |
| THE Calling Tree Company Ltd | Information & communication | 2012 |
| THE Capital Dairy Company - Lincolnshire Limited | Wholesale & retail | 2009 |
| THE Capital Dairy Company Ltd. | Wholesale & retail | 2000 |
| THE Casa Company International Ltd | Wholesale & retail | 2026 |
| THE Chancellors Group of Estate Agents Limited | Real estate | 1989 |
| THE Cherrycroft Practice Limited | Health & social care | 2013 |
| THE Clinic Surrey Ltd | Health & social care | 2025 |
| THE Club (Frimley) Limited | Health & social care | 2012 |
| THE Coach Hotel Ltd | Hospitality | 2025 |
| THE Conscious Business Advisory Limited | Professional & scientific | 2020 |
| THE Cranmore Quarter (Aldershot) Management Company Limited | Households | 2004 |
| THE Crescent Midhurst Limited | Households | 2021 |
| THE Curious Saint Ltd | Wholesale & retail | 2024 |
| THE Downs at Swanage Management Company Limited | Professional & scientific | 2004 |
| THE Dyer Partnership Limited | Professional & scientific | 1995 |
| THE Elms (Liss Forest) Management Limited | Households | 1991 |
| THE Embers Street Oven Limited | Hospitality | 2026 |
| THE Engagement Effect Ltd | Administrative & support | 2020 |
| THE Farmhouse Management Company Limited | Households | 2002 |
| THE Farnborough Chipmunk Company Ltd | Arts & recreation | 2021 |
| THE Farthings Leatherhead Management Company Limited | Households | 2017 |
| THE Firs Surrey Heath Cattery Ltd | Agriculture & fishing | 2025 |
| THE Fixer Property Services Ltd | Other services | 2018 |
| THE Flooring Place Ltd | Wholesale & retail | 2016 |
| THE Foundry (Ashford) Management Company Limited | Households | 2018 |
| THE Fountain (New Malden) Management Company Ltd | Households | 2021 |
| THE Franchise Accounting Specialists Ltd | Professional & scientific | 2024 |
| THE Friendly Mortgage Company Ltd | Financial services | 2022 |
| THE FUN Factory Woking Limited | Education | 2014 |
| THE Garden Alchemist Ltd | Administrative & support | 2024 |
| THE Gift Card Centre Limited | Wholesale & retail | 2008 |
| THE Gilded Glitch Ltd | Wholesale & retail | 2026 |
| THE Good Fibre Ltd | Information & communication | 2025 |
| THE Grange (Camberley) One Management Company Limited | Households | 2004 |
| THE Grill & Thrill Camberly Ltd | Hospitality | 2024 |
| THE Hampshire Laser Room Limited | Other services | 2025 |