| THE RGS Guildford International (China) Limited | Education | 2019 |
| THE RGS Guildford International (Dubai) Limited | Education | 2018 |
| THE RGS Guildford International (Oman) Limited | Education | 2022 |
| THE RGS Guildford International Limited | Education | 2015 |
| THE Riverside Public House Limited | Wholesale & retail | 2022 |
| THE Rowan School Ltd | Education | 2017 |
| THE Royal Grammar School, Guildford Foundation | Education | 2001 |
| THE Sailing Business Ltd | Education | 2017 |
| THE Salesnav Ltd | Information & communication | 2023 |
| THE Sands Company (Surrey) Ltd | Professional & scientific | 1997 |
| THE School Musicals Company Limited | Arts & recreation | 2016 |
| THE Shamley Green Cricket Club Ltd | Arts & recreation | 2009 |
| THE Source Recruitment Consultancy Ltd | Extraterritorial | 2013 |
| THE Spokesman Bicycle Workshop Limited | Manufacturing | 2018 |
| THE Springbok Shop Limited | Wholesale & retail | 2021 |
| THE Squirrel Inn Limited | Hospitality | 2021 |
| THE Squirrels Property Management (Winkfield) Ltd | Real estate | 2025 |
| THE Stable Gym Collective Limited | Arts & recreation | 2025 |
| THE Start UP Group Limited | Administrative & support | 2018 |
| THE Strategist Mind Limited | Other services | 2019 |
| THE Street (Albury) Limited | Real estate | 1994 |
| THE Surrey Butchers Limited | Wholesale & retail | 2012 |
| THE Surrey Collective CIC | Health & social care | 2026 |
| THE Surrey Federation of Women's Institutes | Education | 1993 |
| THE Table Stylist Ltd | Wholesale & retail | 2021 |
| THE Tannery Road Company Limited | Real estate | 2016 |
| THE Team Freelancer Limited | Professional & scientific | 2016 |
| THE Technical Department Ltd | Professional & scientific | 2001 |
| THE Thinking Business Limited | Professional & scientific | 1996 |
| THE Timber Yard West END Limited | Administrative & support | 2011 |
| THE Tipsy Pigs Limited | Hospitality | 2015 |
| THE Ubiquitous Candle Company Limited | Wholesale & retail | 2024 |
| THE University of Surrey Students' Union | Education | 2010 |
| THE Upholstery Workshop Guildford Limited | Manufacturing | 2016 |
| THE Village Barber on the Avenue Limited | Other services | 2026 |
| THE Walled Garden Limited | Professional & scientific | 2000 |
| THE Wedding Content Co Ltd | Professional & scientific | 2023 |
| THE Welcome Group London Limited | Wholesale & retail | 2014 |
| THE Well UK Project CIC | Education | 2025 |
| THE Whiteley Clinic Limited | Health & social care | 2002 |
| THE Wiggly Line Company Ltd | Professional & scientific | 2018 |
| THE Winters of the World Limited | Arts & recreation | 2023 |
| THE Wonderful Ideas Project Ltd | Information & communication | 2021 |
| THE YOO Group Limited | Administrative & support | 2017 |
| Theatre Productions Limited | Extraterritorial | 2015 |
| Thebigsaltcompany Ltd | Wholesale & retail | 2025 |
| Thecateringgroup Ltd | Hospitality | 2026 |
| Thecosystems Limited | Professional & scientific | 2008 |
| Theeleffect Limited | Professional & scientific | 2025 |
| Thefisherfamily Ltd | Professional & scientific | 2025 |
| Thefloor Ltd | Arts & recreation | 2018 |
| Thegood 1 Limited | Financial services | 2020 |
| Thembalitsha UK | Education | 2007 |
| Thermal Imaging Specialists Ltd | Construction | 2015 |
| Thermech Solutions Limited | Construction | 2004 |
| Thesonderway Ltd | Wholesale & retail | 2024 |
| Thetechnologyguru.Co.Uk Limited | Information & communication | 2020 |
| Thetravelplanner Ltd | Administrative & support | 2025 |
| Thiago Silva Tattoos Ltd | Arts & recreation | 2025 |
| Think Picture Studios Ltd | Information & communication | 2021 |
| Thinkspace Education Limited | Education | 2018 |
| Thirty Three Land Limited | Real estate | 2017 |
| Thistlethorn Ltd | Real estate | 2015 |
| THM Kitchens Limited | Hospitality | 2002 |
| Thomas Edward Developments Limited | Construction | 1997 |
| Thomson Environmental Consultants EOT Limited | Administrative & support | 2020 |
| Thomson Environmental Services Limited | Water & waste | 1993 |
| Thomson Services Associates Limited | Information & communication | 2004 |
| Thornchace Residents Management Company Limited | Households | 2012 |
| Thorncombe Design & Build Limited | Construction | 2017 |
| Thorncombe Journalism Services Ltd | Arts & recreation | 2015 |
| Thorncombe Property Ltd | Real estate | 2018 |
| Thorneycroft Enterprises Limited | Extraterritorial | 2016 |
| Thornhill Analytics Ltd | Professional & scientific | 2020 |
| Thornhill Consultancy Limited | Real estate | 2010 |
| Thought System Ltd | Professional & scientific | 2021 |
| Three Albury Road (Management) Limited | Households | 1975 |
| Three Bridges Education Limited | Education | 2023 |
| Three Colours Catering Ltd | Hospitality | 2019 |
| Three Hogs Homes Limited | Real estate | 2013 |
| Three Islands Trading Co Ltd | Real estate | 2016 |
| Three Peaks Events Ltd | Extraterritorial | 2017 |
| Three Peaks Ltd | Extraterritorial | 2017 |
| Three Peaks Shop Ltd | Extraterritorial | 2021 |
| Three to TEN Hodgson Gardens RTM Company Limited | Households | 2015 |
| Thrive Coaching Academy Ltd | Arts & recreation | 2022 |
| Thysa Ltd | Information & communication | 2023 |
| Thysania Limited | Real estate | 2024 |
| Tiaraposh Beautyworld Ltd | Wholesale & retail | 2025 |
| Tickner Ltd | Construction | 2018 |
| Tics Holdings Limited | Professional & scientific | 2026 |
| Tidburys of Hampshire Ltd | Manufacturing | 2021 |
| Tidlebrake Limited | Administrative & support | 1991 |
| Tiger Jennie | Financial services | 2019 |
| Tigerous Advice Ltd | Information & communication | 2024 |
| Tikka Massalla Limited | Hospitality | 2026 |
| Tilbury Consulting Ltd | Professional & scientific | 2023 |
| Tilde Consultants Ltd | Professional & scientific | 2021 |
| Tilehouse Studio Ltd | Professional & scientific | 2021 |
| Tilley International Limited | Professional & scientific | 1909 |