| THE Outwood Management Company Ltd | Households | 2013 |
| THE Paddle Steamer Preservation Society | Arts & recreation | 1987 |
| THE People Data People Ltd | Administrative & support | 2015 |
| THE Pilates Room - Dorking Ltd | Arts & recreation | 2024 |
| THE Pizza Pro Limited | Hospitality | 2024 |
| THE Plough Inn Freehold Limited | Financial services | 2015 |
| THE Pound Residents Company Limited | Households | 2010 |
| THE Property Mamas Ltd | Real estate | 2025 |
| THE Roof Cleaning Guys Limited | Construction | 2024 |
| THE Rookery (Westcott) Freehold Limited | Households | 2008 |
| THE Russetts (Horsham) Management Company Limited | Households | 2013 |
| THE Seedbed Collective Limited | Professional & scientific | 2025 |
| THE Sharper Image Consulting Ltd | Information & communication | 1992 |
| THE Small & Friendly PUB Co Ltd | Hospitality | 2011 |
| THE Social Care Practice Ltd | Public administration | 2024 |
| THE Source Wholesale Limited | Wholesale & retail | 2011 |
| THE Surrey Hills Partnership Company Ltd | Other services | 2022 |
| THE Surrey Hills Society | Other services | 2008 |
| THE Surrey Mortgage Company Limited | Financial services | 2019 |
| THE Sustainability Plaice Ltd | Professional & scientific | 2025 |
| THE Talent ARC Group CIC | Education | 2025 |
| THE Taphouse Surrey Ltd | Hospitality | 2021 |
| THE Tattenhams Management Company Limited | Households | 2014 |
| THE Thought Foundry Limited | Professional & scientific | 2009 |
| THE Venue Event Consultancy Ltd | Professional & scientific | 2024 |
| THE Waterslade Management Company Limited | Households | 1988 |
| THE Wild BEE Company Limited | Manufacturing | 2018 |
| THE Yoga Shed Limited | Arts & recreation | 2016 |
| THE Zone (SW19) Management Company Limited | Households | 2004 |
| THE Æternal Journey CIC | Education | 2025 |
| THE3BEE Ltd | Construction | 2021 |
| Thefishy Ltd | Information & communication | 2018 |
| Theprojectbrand Ltd | Professional & scientific | 2021 |
| Thermovine Limited | Professional & scientific | 2018 |
| Therollingfrog Ltd | Real estate | 2023 |
| Thewn Group Ltd | Wholesale & retail | 2026 |
| Thmx Ltd | Wholesale & retail | 2018 |
| Thomas Gruber Limited | Administrative & support | 2006 |
| Thomson Family Holdings Limited | Real estate | 2023 |
| Thorns Semerwater Ltd | Wholesale & retail | 2020 |
| Thought Canal Ltd | Professional & scientific | 2011 |
| TI Investments Ltd | Real estate | 2020 |
| Tianshan Jade (UK) Limited | Administrative & support | 2019 |
| Ticor Limited | Extraterritorial | 2017 |
| Tidy House and Garden Ltd | Administrative & support | 2014 |
| Tier Pro Scaffolding Ltd | Construction | 2025 |
| Tilley Group Holdings Limited | Real estate | 2023 |
| Tilley's Roofing and Maintenance Ltd | Other services | 2016 |
| TIM Martin Interiors Limited | Construction | 1998 |
| TIM O'Hanlon Strategic Management Services Ltd | Information & communication | 2015 |
| Tip-Top Mechanics Ltd | Wholesale & retail | 2020 |
| Tiphams Agricultural Services Ltd | Agriculture & fishing | 2025 |
| Tipio Energy Ltd | Professional & scientific | 2026 |
| Titan Insurance Services Limited | Financial services | 1986 |
| Titan Success Ltd | Professional & scientific | 2001 |
| TJ Mellor Holdings Ltd | Financial services | 2023 |
| Tjames Social Media Services Ltd | Professional & scientific | 2025 |
| TJH Building Consultancy Limited | Professional & scientific | 2023 |
| TJM Timber Buildings Limited | Wholesale & retail | 2013 |
| TLC Ventures Limited | Professional & scientific | 2016 |
| Tmbg Ltd | Professional & scientific | 2025 |
| Tmco Ltd | Administrative & support | 2013 |
| Tnros Limited | Health & social care | 2022 |
| Toame Limited | Professional & scientific | 2024 |
| Todich Floral Design Limited | Wholesale & retail | 2005 |
| TOM Art Maintenance Limited | Construction | 2013 |
| TOM International Ltd | Wholesale & retail | 2025 |
| Tonco Limited | Hospitality | 2017 |
| Tony R J Elsdon Ltd | Professional & scientific | 2017 |
| Toolsandjigs Ltd | Manufacturing | 2024 |
| Top Drawer Games Limited | Information & communication | 2017 |
| Top HAT (Horsham) Limited | Other services | 2011 |
| Top Rank Solutions Ltd | Professional & scientific | 2023 |
| Top Restaurants Group Limited | Professional & scientific | 2015 |
| Total Tyre & Exhaust Limited | Wholesale & retail | 2006 |
| Toucan Pictures Limited | Information & communication | 2015 |
| Touchstone Underwriting Limited | Financial services | 1988 |
| Towerlodge Limited | Households | 1975 |
| Town & Country Residences Ltd | Real estate | 2016 |
| Towser Limited | Professional & scientific | 2013 |
| TPM 48 Princes Road Ltd | Households | 2025 |
| Track-Relax Limited | Transport & logistics | 2022 |
| Tradeship Publications Limited | Information & communication | 1988 |
| Tramar Properties Limited | Construction | 1977 |
| Transformative HR Ltd | Administrative & support | 2018 |
| Transporter Hire Ltd | Administrative & support | 2025 |
| Tranzform Developments Ltd | Construction | 2023 |
| Travel Resource Services Limited | Administrative & support | 2015 |
| Traxx Moto Limited | Wholesale & retail | 2024 |
| TRB Enterprises Limited | Professional & scientific | 2023 |
| Treat Factory Ltd | Wholesale & retail | 2008 |
| Treeline Limited | Extraterritorial | 2015 |
| Treescapes Limited | Extraterritorial | 2009 |
| Tregarthen & Fairmead Estate Management Company (Leatherhead) Limited | Real estate | 1993 |
| Tregarthen (Block a) Management Company (Leatherhead) Limited | Real estate | 1993 |
| Tregarthen (Block B) Management Company (Leatherhead) Limited | Real estate | 1993 |
| Tregarthen (Block C) Management Company (Leatherhead) Limited | Real estate | 1993 |
| Tregarthen (Block D) Management Company (Leatherhead) Limited | Real estate | 1993 |
| Tregarthen Estate Management Company (Leatherhead) Limited | Real estate | 1993 |
| Trelawney Insurance Solutions Limited | Financial services | 2021 |