| Stuart Floors Limited | Construction | 2014 |
| Studio Plastering Services Ltd | Construction | 2014 |
| Studio Shepherd’S Staff Ltd | Wholesale & retail | 2013 |
| Substance Over Form Limited | Professional & scientific | 2014 |
| Subzerocoolingsolutions Ltd | Extraterritorial | 2025 |
| Success Elevation Coaching Ltd | Administrative & support | 2025 |
| SUL Business Academy Ltd | Transport & logistics | 2016 |
| Sumeer Limited | Real estate | 2017 |
| Summer Crown for Investment Ltd | Wholesale & retail | 2025 |
| Summerhill Care and Recruitment Ltd | Administrative & support | 2017 |
| Summit WM Ltd | Financial services | 2021 |
| Sunburst Shutters Ltd | Construction | 2017 |
| Sunelrishco Limited | Wholesale & retail | 2025 |
| Sunrise Cafe Ltd | Hospitality | 2024 |
| Super Kiddies Daycare Limited | Education | 2015 |
| Superbean Ltd | Professional & scientific | 2018 |
| Superior Grill Ltd | Hospitality | 2021 |
| Supreme Workforce Limited | Administrative & support | 2008 |
| Susadvi Limited | Hospitality | 2024 |
| Sutlej Constructions Ltd. | Construction | 2016 |
| SVR Health Technologies Ltd | Health & social care | 2026 |
| SW Property Maintenance Ltd | Construction | 2023 |
| SW Woodcraft Limited | Other services | 2017 |
| Swastik Corporation Limited | Other services | 2022 |
| Swatis Bake Hub Ltd | Manufacturing | 2026 |
| Sweet Flavour Limited | Manufacturing | 2019 |
| Sweetie Stop Limited | Real estate | 2019 |
| SYB Hedayat Ltd | Education | 2026 |
| SYB Law Chambers Ltd | Professional & scientific | 2025 |
| Syce Capital Limited | Real estate | 2017 |
| Sylver Star Accountants Ltd | Other services | 2016 |
| SYN in Business Solutions Ltd | Professional & scientific | 2023 |
| Systemsforward Limited | Professional & scientific | 2025 |
| SYU Investment Limited | Professional & scientific | 2025 |
| Sémper Amaré Limited | Other services | 2024 |
| T Codling Solutions Ltd | Information & communication | 2022 |
| T K Garden & Fencing Contractors Limited | Administrative & support | 2022 |
| T Lamina Ltd | Information & communication | 2008 |
| T Marchant Limited | Administrative & support | 2016 |
| T N Team Limited | Construction | 2025 |
| T&Co Legal Ltd | Professional & scientific | 2025 |
| T&E Properties Ltd | Real estate | 2023 |
| T&S Convenience Store Ltd | Wholesale & retail | 2024 |
| T&T Properties Holdings Ltd | Real estate | 2024 |
| T.D.T. Securities Limited | Real estate | 1972 |
| TAJ Al-Amjad Group for Wholesale and Retail Trade Ltd | Construction | 2025 |
| Talent Invest Consultancy Ltd | Professional & scientific | 2025 |
| Talenttribeagency Ltd | Professional & scientific | 2026 |
| Tall Toni Ltd | Wholesale & retail | 2023 |
| Tamouh AL Majd United Trading Partnership Ltd | Wholesale & retail | 2025 |
| Tangsep Limited | Real estate | 2026 |
| Tanning and Beauty at Oval Ltd | Other services | 2025 |
| Tansonns Business Solutions Ltd | Administrative & support | 2018 |
| Tansonns Group Ltd | Financial services | 2025 |
| Tansonns Limited | Health & social care | 2010 |
| Taraks Furniture Ltd | Manufacturing | 2025 |
| Taraks Pro Hire Ltd | Wholesale & retail | 2026 |
| Tastajon Limited | Health & social care | 2012 |
| Tasty Chicken Pizza & Grill Limited | Hospitality | 2020 |
| Tasty Sushi Ltd | Hospitality | 2020 |
| Tavari & Co Ltd | Real estate | 2025 |
| Tayler Watson Property Ltd | Real estate | 2025 |
| TBV Productions Ltd | Information & communication | 2021 |
| Tccj Global Ltd | Wholesale & retail | 2025 |
| Teachcricket.Com Limited | Arts & recreation | 2010 |
| Techno Converting Services TCS Ltd | Wholesale & retail | 2025 |
| Technology Management Solutions Limited | Professional & scientific | 2014 |
| TEJ Builders Ltd | Construction | 2020 |
| Tekypreneurs Ltd | Information & communication | 2020 |
| TEMPCARE24 Limited | Administrative & support | 2017 |
| Tempests Business Services Limited | Administrative & support | 2022 |
| TEN10 Training Ltd | Education | 2024 |
| Terra International Group Ltd | Manufacturing | 2025 |
| Test Routes Ltd | Education | 2023 |
| Tfch Properties Limited | Real estate | 2017 |
| Tfcontent Limited | Arts & recreation | 2026 |
| TFJ Private Limited | Other services | 2013 |
| Tfrancis.Trading Ltd | Construction | 2023 |
| TG Financial Services Ltd | Financial services | 2022 |
| TGN Consulting Limited | Professional & scientific | 2018 |
| Thanium Nine Ltd | Construction | 2016 |
| Thanu Food & Wine Ltd | Wholesale & retail | 2020 |
| Thapa's Ghar Ltd | Real estate | 2024 |
| THE Best of Both (Plastering) Limited | Construction | 2007 |
| THE Bexley Beauty College Ltd | Education | 2024 |
| THE Big Car Wash Ltd | Other services | 2018 |
| THE Branding Idea Ltd | Administrative & support | 2019 |
| THE Card News and Sweet Shop Ltd | Wholesale & retail | 2015 |
| THE Cleaning Squad Ltd | Administrative & support | 2023 |
| THE Cryo-Lounge Ltd | Other services | 2019 |
| THE Eggfree Cake Box (Plumstead) Ltd | Wholesale & retail | 2015 |
| THE Eggfree Cake Box (Welling) Ltd | Wholesale & retail | 2011 |
| THE Female Health Physio Ltd | Education | 2024 |
| THE Florence and Sylvia Collective Ltd | Health & social care | 2024 |
| THE Glam Box London Ltd | Other services | 2018 |
| THE Green Upgrade Ltd | Professional & scientific | 2021 |
| THE Hands of Mercy Ventures Ltd | Real estate | 2025 |
| THE Heartstylist Ltd | Information & communication | 2020 |
| THE Hill's Food Ltd | Wholesale & retail | 2024 |
| THE Kanine Company Ltd | Other services | 2021 |