| ST Annes Garden Services Ltd | Extraterritorial | 2021 |
| ST Annes Nails & Spa Ltd | Other services | 2026 |
| ST Annes Palace Operations Limited | Hospitality | 2019 |
| ST Annes Vapes Limited | Wholesale & retail | 2025 |
| ST Raphaels Enterprises Limited | Real estate | 2020 |
| ST Raphaels Limited | Health & social care | 2015 |
| ST Tanz Sunbeds Ltd | Other services | 2024 |
| ST. Albans Store Ltd | Wholesale & retail | 2019 |
| ST. Leonards Court Maintenance Co. (ST. Annes) Limited | Households | 1976 |
| St.Annes Court (St.Annes) Ltd | Households | 2004 |
| Stacklodge Ltd | Financial services | 2011 |
| Stag Rock (Ventnor) Limited | Real estate | 2019 |
| Stag Rock Holdings Limited | Real estate | 2019 |
| Stamac Ltd | Construction | 2017 |
| Stamp Serviced Accommodation Ltd | Real estate | 2021 |
| Stannes 101 Ltd | Hospitality | 2025 |
| Stanways Autobodies Limited | Wholesale & retail | 2017 |
| Stanways Spares Ltd | Wholesale & retail | 2019 |
| Star Competitions Ltd | Arts & recreation | 2024 |
| Staremco Limited | Households | 1999 |
| Starlight Childcare Ltd | Health & social care | 2023 |
| Station Road Car Park Ltd | Transport & logistics | 2021 |
| Station Square Properties Ltd | Real estate | 2024 |
| Staylock Limited | Manufacturing | 1999 |
| STE MEE Art Ltd | Arts & recreation | 2023 |
| Steelhaven (11) Limited | Households | 1980 |
| Steve Mason Joinery & Building Contractor Ltd | Construction | 2026 |
| Steve's Tools Limited | Wholesale & retail | 2002 |
| Steven Croft Coaching Ltd | Education | 2019 |
| Stewart Moore Properties Ltd | Real estate | 2018 |
| Stewart Parkinson Limited | Construction | 2003 |
| Stewarts Construction Ltd | Construction | 2021 |
| Sthira Consulting Ltd | Information & communication | 2017 |
| Sticky Chocolate Limited | Wholesale & retail | 2016 |
| Stig Hospitality Ltd | Hospitality | 2023 |
| Stingray Investments Limited | Real estate | 2019 |
| Stock Condition Training Ltd | Professional & scientific | 2021 |
| Stockbridge Risk Limited | Information & communication | 2022 |
| Stockton Property Investments Ltd | Real estate | 2024 |
| Stone Soup Productions Ltd | Arts & recreation | 2019 |
| Stoneholme Properties Ltd | Real estate | 2020 |
| Stoneylee Ltd | Wholesale & retail | 2018 |
| Storygps Limited | Professional & scientific | 2024 |
| Storyverse Studios Ltd | Information & communication | 2024 |
| Strategic Development & Cost Consultants Ltd | Construction | 2021 |
| Strawberry Petals Ltd | Hospitality | 2019 |
| Streamline Digital Limited | Information & communication | 2009 |
| Streetwise (Lancashire) CIC | Health & social care | 2018 |
| Strength & Pilates Ltd | Other services | 2025 |
| Stubbs Removers Limited | Extraterritorial | 2021 |
| Studio Holme Ltd | Professional & scientific | 2025 |
| Studio Pampas Ltd | Wholesale & retail | 2023 |
| STW Projects Limited | Real estate | 2013 |
| Suaju Ltd | Professional & scientific | 2009 |
| Sudi Corporation Ltd | Wholesale & retail | 2017 |
| Sudi Essentials Ltd | Wholesale & retail | 2019 |
| Sudi Holdings Ltd | Financial services | 2023 |
| Sudi WS Ltd | Wholesale & retail | 2023 |
| Sullivan Solutions Ltd | Administrative & support | 2023 |
| Sullivan's Bar TOO Limited | Hospitality | 2024 |
| Sundome Sunbeds Ltd | Other services | 2024 |
| Sunnyfield Investments Ltd | Construction | 2020 |
| Sunshine Compliance Ltd | Professional & scientific | 2024 |
| Sunshine Corner Academy Limited | Information & communication | 2022 |
| Supplier Savings Ltd | Professional & scientific | 2025 |
| Surehart Limited | Construction | 2010 |
| Sureway Logistics Limited | Transport & logistics | 2008 |
| Suria Solutions Limited | Information & communication | 2016 |
| Sustain Blue Ltd | Professional & scientific | 2024 |
| Sustainanest Ltd | Wholesale & retail | 2025 |
| Sustained Ability Ltd | Professional & scientific | 2021 |
| Sutha & Sons Ltd | Wholesale & retail | 2025 |
| Swaine Consulting Ltd | Construction | 2012 |
| Sweet Suites Residence Ltd | Hospitality | 2025 |
| Swgc Limited | Professional & scientific | 2008 |
| Swift Luxe Developments Limited | Real estate | 2025 |
| Swnbd Ltd | Wholesale & retail | 2026 |
| Syndrome Newedge Ltd | Information & communication | 2025 |
| T & S Design Services Limited | Construction | 2004 |
| T J Building Developments LLP | | 2008 |
| T&S Ashton Developments Limited | Construction | 2018 |
| T&S Ventures Limited | Real estate | 2013 |
| T-Ruth Renovations Ltd | Construction | 2024 |
| T-Tech Digital Media Ltd | Information & communication | 2004 |
| TAB Services Ltd | Hospitality | 2025 |
| Tabitha Consulting Limited | Information & communication | 2006 |
| Taftech Limited | Information & communication | 2026 |
| Taio's World Ltd | Information & communication | 2021 |
| Talented Player UK Ltd | Education | 2022 |
| Talis Chester Ltd | Real estate | 2021 |
| Tangerine Agriculture Limited | Financial services | 2017 |
| Tangerine Group Holdings Limited | Professional & scientific | 2016 |
| Tangerine Holdings Limited | Professional & scientific | 1994 |
| Tangerine Leisure Limited | Financial services | 2017 |
| Tangerine Sarny Limited | Hospitality | 2023 |
| Tansey Bakery Ltd | Manufacturing | 2002 |
| Tanto Properties Ltd | Real estate | 2023 |
| Tasker QS Services Ltd | Professional & scientific | 2023 |
| Tasker Rentals Ltd | Real estate | 2026 |
| Taylor & Taylor Ventures Limited | Wholesale & retail | 2025 |