| Surrey Fireplace and Stove Installation Limited | Other services | 2020 |
| Surrey Pizzas Limited | Hospitality | 1991 |
| Surrey Snagging Ltd | Construction | 2024 |
| Surrey Soft Play Ltd | Administrative & support | 2022 |
| Surreydeals Ltd | Wholesale & retail | 2023 |
| Surreysteelworks Ltd | Manufacturing | 2022 |
| Suse Group International Holdings Limited | Financial services | 2022 |
| Suse Group UK Limited | Administrative & support | 2020 |
| Suse Software Solutions UK Ltd | Information & communication | 2018 |
| Sustainable Freight Alliance Ltd | Transport & logistics | 2024 |
| Suvesna Limited | Health & social care | 2020 |
| SV Successful Solutions Ltd | Real estate | 2021 |
| SW CAD Ltd | Information & communication | 2025 |
| SW Project Services Ltd | Information & communication | 2026 |
| Swallow Close Residents' Association Limited | Households | 1973 |
| SWB Projects Limited | Construction | 2016 |
| Sweagle Ltd | Information & communication | 2019 |
| Swimovate Limited | Manufacturing | 2007 |
| Swimquest Surrey Ltd | Education | 2025 |
| Swimsolutions Limited | Arts & recreation | 2018 |
| Switch Electrical Contracting Limited | Construction | 2024 |
| Sword Charteris Limited | Information & communication | 2014 |
| Sword IT Solutions Limited | Information & communication | 1996 |
| Sword Soft Limited | Information & communication | 2007 |
| Sword Technology Solutions Limited | Information & communication | 2011 |
| Syco Integrated Systems Ltd | Professional & scientific | 2018 |
| Syco Investments Holdings Ltd | Real estate | 2025 |
| Synergy Business Ltd | Information & communication | 2025 |
| Synergy Compliance Solutions (SCS) Emea Ltd | Information & communication | 2011 |
| Synk Comm Limited | Information & communication | 2023 |
| Synk Properties Limited | Construction | 2025 |
| Syntax Construction Ltd | Construction | 2015 |
| Syscom Building Management Ltd | Construction | 1998 |
| T & R Paving & Patios Limited | Administrative & support | 2025 |
| T & Y Traders Limited | Wholesale & retail | 2025 |
| T Fielder Construction Ltd | Construction | 2023 |
| T J C & Sons Ltd | Construction | 2024 |
| T&H Property Services Limited | Real estate | 2024 |
| T&J Residential Ltd | Real estate | 2019 |
| T&R Consultants Ltd | Real estate | 2015 |
| T&S Electrical Solutions Limited | Construction | 2021 |
| T.A. Tompson LLP | | 2009 |
| TAB Property Solutions Ltd | Construction | 2026 |
| TAK Domestic Services Limited | Professional & scientific | 2025 |
| Talent Acquire Ltd | Professional & scientific | 2013 |
| Talking Tree CIC | Information & communication | 2020 |
| Talon Bidco Limited | Financial services | 2025 |
| Talon Midco Limited | Financial services | 2025 |
| Tamana Arabzada Ltd | Wholesale & retail | 2025 |
| Tamber Real Estates Limited | Real estate | 2025 |
| Tamsin Weston Limited | Other services | 2003 |
| Tanglewood Estates Limited | Real estate | 2020 |
| Tango Amistoso Ltd | Other services | 2024 |
| TAP Property Services Ltd | Real estate | 2024 |
| TAP the Aura Power Ltd | Information & communication | 2024 |
| Target Development Corporation Ltd | Real estate | 2016 |
| Target Development Enterprises Limited | Real estate | 2016 |
| Target Development Holdings Ltd | Real estate | 2016 |
| Target Realty Investments Ltd | Real estate | 2016 |
| Tariette Limited | Wholesale & retail | 2016 |
| Tarmons Professional Services Limited | Professional & scientific | 2018 |
| Taskbusters Ltd | Construction | 2025 |
| Taste of Motherland Foods Limited | Wholesale & retail | 2024 |
| Tastingbuds UK Limited | Wholesale & retail | 2023 |
| Tax Computer Systems Limited | Information & communication | 2005 |
| Tax Systems Holdings Limited | Financial services | 2017 |
| Tax Systems Limited | Financial services | 2003 |
| Taxops Ltd | Information & communication | 2020 |
| Taylor Lane (Wales) Limited | Construction | 2018 |
| Taylor Lane Timber Frame Limited | Construction | 1998 |
| Taylor MOT Services Ltd | Wholesale & retail | 2023 |
| Taysielimitless Ltd | Manufacturing | 2025 |
| TBZ Productions Ltd. | Education | 2019 |
| TCA Nominees Ltd. | Professional & scientific | 2000 |
| TCHIRCA14 Transport Ltd | Transport & logistics | 2025 |
| TDL Management Limited | Households | 1984 |
| TDM Business Services Limited | Administrative & support | 2006 |
| Team Beats Ltd. | Administrative & support | 2017 |
| Team SET 77 Ltd | Administrative & support | 2025 |
| Team Spirit Airport Services Limited | Other services | 2017 |
| Team Spirits Airport Operations Limited | Construction | 2010 |
| Tech Construction (UK) Ltd | Construction | 2014 |
| Tech Core Consulting Limited | Information & communication | 2025 |
| Tech Geek UK Ltd | Information & communication | 2015 |
| Tech Smart Electrical Limited | Construction | 2024 |
| Techavion Limited | Other services | 2006 |
| Technolism Ltd | Information & communication | 2016 |
| Technology Associates Private Limited | Information & communication | 2016 |
| Technology Refurbished UK Ltd | Wholesale & retail | 2025 |
| Technology Zone Ltd | Wholesale & retail | 2023 |
| Technolyze Ltd | Information & communication | 2024 |
| Techwave Consulting UK Limited | Information & communication | 2011 |
| Telth Healthcare PVT Ltd | Professional & scientific | 2022 |
| Tenants Flats Limited | Households | 1964 |
| Tentist Marquees Ltd | Administrative & support | 2023 |
| Terraforge Construction Ltd | Professional & scientific | 2024 |
| Tesla Homes Ltd | Real estate | 2023 |
| Tetronic Limited | Information & communication | 2001 |
| Thaaimann Foundation | Health & social care | 2023 |
| Thai Corner Therapy Massage Ltd | Other services | 2022 |