| ST William SIX Limited | Extraterritorial | 2017 |
| ST William Sixteen Limited | Extraterritorial | 2017 |
| ST William TEN Limited | Extraterritorial | 2017 |
| ST William Thirteen Limited | Financial services | 2017 |
| ST William Three Ltd | Extraterritorial | 2017 |
| ST William Twelve Limited | Extraterritorial | 2017 |
| ST William Twenty Limited | Extraterritorial | 2018 |
| ST William Twenty-Eight Limited | Extraterritorial | 2018 |
| ST William Twenty-Five Limited | Financial services | 2018 |
| ST William Twenty-Four Limited | Extraterritorial | 2018 |
| ST William Twenty-One Limited | Financial services | 2018 |
| ST William Twenty-Seven Limited | Extraterritorial | 2018 |
| ST William Twenty-Six Limited | Extraterritorial | 2018 |
| ST William Twenty-Three Limited | Extraterritorial | 2018 |
| ST William Twenty-Two Limited | Extraterritorial | 2018 |
| ST William Two Ltd | Extraterritorial | 2017 |
| ST. Benedict Developments Limited | Real estate | 2017 |
| ST. George Eastern Ltd | Professional & scientific | 1988 |
| ST. George Inner Cities Ltd. | Professional & scientific | 1988 |
| ST. George Investments Ltd | Professional & scientific | 1988 |
| ST. George London Ltd | Professional & scientific | 1988 |
| ST. George Partnerships Ltd. | Extraterritorial | 1991 |
| ST. George Properties Ltd. | Professional & scientific | 1990 |
| ST. George Southern Ltd | Professional & scientific | 1988 |
| ST. George Western Ltd | Professional & scientific | 1988 |
| ST. George Wharf (Block D) Commercial Limited | Extraterritorial | 2000 |
| ST. George's Hill Property Company Limited | Extraterritorial | 1980 |
| Staccs Technologies Ltd | Information & communication | 2025 |
| Stanchion Tax LLP | | 2023 |
| Stanmore Relocations Limited | Extraterritorial | 2005 |
| Staying Relevant Productions Limited | Financial services | 2024 |
| Stead Family Holdings Limited | Financial services | 2021 |
| Stead Real Estate Limited | Real estate | 2015 |
| Steve Crosby Songs Limited | Information & communication | 2026 |
| Stick Systems Limited | Information & communication | 2014 |
| Stone Cold Features Limited | Other services | 2024 |
| Stone Cold Productions Ltd | Other services | 2014 |
| Stone Cold Properties Limited | Real estate | 2023 |
| Stonelab Limited | Construction | 2004 |
| Stormz Development Limited | Real estate | 2025 |
| Stormz Transport Ltd | Transport & logistics | 2024 |
| Storyb Creative Ltd | Professional & scientific | 2026 |
| Strata Technology Partners LLP | | 2002 |
| Studio Clark + Co Limited | Professional & scientific | 2012 |
| Studio Creations Ltd. | Professional & scientific | 2005 |
| Studio Fibonacci Limited | Professional & scientific | 2018 |
| Studio Tonic Limited | Professional & scientific | 2022 |
| Studio West Projects Ltd | Construction | 2023 |
| Stunt Connect Ltd | Other services | 2026 |
| Stylecrest Limited | Arts & recreation | 2008 |
| SUB PAR Limited | Arts & recreation | 2019 |
| Sugarbugclub Ltd | Wholesale & retail | 2016 |
| Summerhill Investments LLP | | 2018 |
| Sun Asset Management LLP | | 2011 |
| Sunninghill Epsom Limited | Construction | 2009 |
| Sunshine Pro-Am Holidays Ltd | Administrative & support | 2025 |
| Sunstyle UK Tanning Ltd | Other services | 2013 |
| Supercars of Surrey Ltd | Arts & recreation | 2025 |
| Superfect Trading Limited | Wholesale & retail | 2024 |
| Superglaze Ltd | Construction | 2022 |
| Supernova Laser Limited | Manufacturing | 2015 |
| Surbiton Plaza Limited | Real estate | 2017 |
| Surrey Hills Haven Ltd | Wholesale & retail | 2024 |
| Surrey Hills Honey Company Ltd | Agriculture & fishing | 2018 |
| Surrey Netball Coaching Ltd | Education | 2021 |
| Surrey Quant Solutions Limited | Information & communication | 2016 |
| Surrey Soccer Schools Ltd | Education | 2019 |
| Surrey Surveyors Ltd | Professional & scientific | 2021 |
| Surrey UK Investments Limited | Construction | 2013 |
| Surrey Weightlifting Ltd | Arts & recreation | 2019 |
| Suryadarsan Ltd | Real estate | 2025 |
| Susan Roberts Foundation for Youth | Education | 2013 |
| Swangrove Enterprises Limited | Real estate | 2002 |
| Swift Locksmiths (Surrey) Ltd | Manufacturing | 2021 |
| Swing the BAT Limited | Arts & recreation | 2025 |
| SWS Car Sales Ltd | Wholesale & retail | 2023 |
| Swsweb Ltd | Administrative & support | 2008 |
| Symbio Group Limited | Information & communication | 2022 |
| Symmetric Scaffolding Limited | Construction | 2012 |
| T.Wiseman Limited | Wholesale & retail | 1954 |
| T11 Limited | Information & communication | 2024 |
| TA9 Properties Limited | Real estate | 2020 |
| Tabard Square (Building a) Limited | Extraterritorial | 2004 |
| Tabard Square (Building B) Limited | Extraterritorial | 2004 |
| Tabard Square (Building C) Limited | Extraterritorial | 2004 |
| Tabard Square (Car Park) Limited | Extraterritorial | 2004 |
| Tailormade Africa Ltd | Administrative & support | 2015 |
| Take Pride CIC | Administrative & support | 2012 |
| Takeforte (UK) Limited | Arts & recreation | 2024 |
| Talastron Ltd | Professional & scientific | 2024 |
| Tallution Ltd | Extraterritorial | 2014 |
| Tankard AM Ltd | Hospitality | 2026 |
| TAR Carpentry Ltd | Construction | 2019 |
| Tarkin Consulting Services Limited | Professional & scientific | 2004 |
| Tatras Limited | Real estate | 2003 |
| Tauk Surrey Limited | Real estate | 2022 |
| Taylor C Smith & Co Ltd | Professional & scientific | 2023 |
| Taylor Made Hospitality Ltd | Hospitality | 2020 |
| TBG (3) 2009 Limited | Financial services | 2009 |
| Tecs Services Limited | Administrative & support | 2018 |