| Sprout Creative Ltd | Administrative & support | 2023 |
| ST Walburga's After School Club Limited | Health & social care | 2018 |
| Stable Dynamics Consulting Ltd | Professional & scientific | 2023 |
| Stable Dynamics Ltd | Information & communication | 2023 |
| Staffgap Limited | Administrative & support | 2021 |
| Stag Support Services Ltd | Education | 2020 |
| Star Trading North Ltd | Wholesale & retail | 2026 |
| Starcarr Lodges Limited | Hospitality | 2016 |
| Stargate Inc Ltd | Real estate | 2025 |
| Stark Property Investment Ltd | Real estate | 2020 |
| Stark Property Services Yorkshire Ltd | Construction | 2024 |
| Station Projects Ltd | Construction | 2025 |
| Staylogical Ltd | Information & communication | 2018 |
| Stephen Wharram Hessle Ltd | Wholesale & retail | 2025 |
| Stephenson Johnson Financial Planning Limited | Financial services | 2004 |
| Steve Bartlett Tax Services Ltd | Extraterritorial | 2011 |
| Steven Charles Agencies Ltd | Wholesale & retail | 2019 |
| STF Developments (Yorkshire) Ltd | Real estate | 2024 |
| STF Electrical Next GEN Ltd | Manufacturing | 2020 |
| Stonebridge Property Solutions Ltd | Real estate | 2025 |
| Stonehouse Renovations Ltd | Construction | 2018 |
| Stones Electrical Hull Limited | Construction | 2017 |
| Storm Talent Ltd | Administrative & support | 2022 |
| STP Estate Solutions Limited | Hospitality | 2017 |
| Stratland Limited | Construction | 2020 |
| Stromberg Property Ltd | Construction | 2025 |
| Styletech Solutions Limited | Information & communication | 1999 |
| Sugarpop Shoppe Ltd | Wholesale & retail | 2025 |
| Super Fresh Ltd | Wholesale & retail | 2024 |
| Superyacht Property Investors Network Ltd | Professional & scientific | 2024 |
| Supremacy Holdings Limited | Professional & scientific | 2024 |
| Supreme Rentals Ltd | Real estate | 2023 |
| Sutton Village Care Home Limited | Hospitality | 2007 |
| Swanbridge (Works) Limited | Construction | 2016 |
| Swanbridge Bloodstock Limited | Agriculture & fishing | 2009 |
| Swanbridge Investments Limited | Construction | 2013 |
| Swanland House Limited | Health & social care | 2015 |
| Swanland Travel Ltd | Administrative & support | 2023 |
| Swap Watch Limited | Wholesale & retail | 2014 |
| SXL Holdings Ltd | Real estate | 2022 |
| SXL Limited | Construction | 2021 |
| Sycamore Properties East Yorkshire Limited | Real estate | 2021 |
| Symposium Yorkshire Ltd | Construction | 2013 |
| Synergi Partner Finance Ltd | Financial services | 2016 |
| Synergi Property Finance Ltd | Financial services | 2022 |
| T Stone Properties (Hull) Ltd | Real estate | 2025 |
| T&R Thompson Properties Limited | Real estate | 2017 |
| T. Medd Property Services Ltd | Real estate | 2014 |
| T.W. Cook Limited | Extraterritorial | 1975 |
| Taking a Horse to Water Ltd | Arts & recreation | 2025 |
| Tandem BID Writing Ltd | Professional & scientific | 2024 |
| Taxcloud Limited | Professional & scientific | 2017 |
| Tb&K Limited | Real estate | 2025 |
| Teall Chassis Solutions Ltd | Manufacturing | 2019 |
| Teall Chassis Spares Limited | Manufacturing | 2021 |
| Tees Lets Limited | Real estate | 2024 |
| Teran Ltd | Health & social care | 2026 |
| Terlock Holdings Limited | Financial services | 2021 |
| Tervezo Limited | Professional & scientific | 2011 |
| TFD Holdings Limited | Extraterritorial | 2015 |
| Tges Commercial Limited | Real estate | 2025 |
| THE Academy Management Company (Hull) Limited | Construction | 2012 |
| THE Alcohol and Drug Service | Health & social care | 2005 |
| THE Autism Team Ltd | Health & social care | 2026 |
| THE Autonomous Mind Limited | Health & social care | 2024 |
| THE B-Ranch Fitness Group Limited | Other services | 2024 |
| THE Beverley Bake Co. Limited | Hospitality | 2026 |
| THE Black Horse Restaurant (Ellerker) Limited | Hospitality | 2007 |
| THE Bloom Club Ltd | Manufacturing | 2021 |
| THE Club at Leven Sports Hall Ltd | Hospitality | 2024 |
| THE Corner House (Beverley) Limited | Hospitality | 2026 |
| THE Cranswick Charitable Trust | Professional & scientific | 2020 |
| THE Design Orchard Fine Art Limited | Wholesale & retail | 2016 |
| THE Design Orchard Limited | Hospitality | 2005 |
| THE Ekoes Ltd | Arts & recreation | 2025 |
| THE ELM Tree Academy Ltd | Education | 2020 |
| THE Fresh Olive Company Ltd. | Manufacturing | 2009 |
| THE Gluten Free Cake Shed Hull (Yorkshire) Ltd | Manufacturing | 2026 |
| THE Good Travel Collective Limited | Administrative & support | 1970 |
| THE Hangout (North Ferriby and Swanland) Community Interest Company | Other services | 2025 |
| THE Harley Surgeon Ltd | Health & social care | 2019 |
| THE Harts Corner Natural Sausage Company Limited | Professional & scientific | 1993 |
| THE HR Guru Yorkshire Limited | Administrative & support | 2023 |
| THE Humberside Group of Local Medical Committees Limited | Professional & scientific | 2013 |
| THE Informed Partnership Holdings Limited | Financial services | 2020 |
| THE Loft Management 1/8 Limited | Real estate | 2013 |
| THE Loft Management 11/14 Limited | Real estate | 2013 |
| THE Loft Management 15/16 Limited | Real estate | 2013 |
| THE Loft Management 9/10 Limited | Real estate | 2013 |
| THE Luxe Barber Ltd | Other services | 2026 |
| THE Mcleod Agency Limited | Arts & recreation | 2008 |
| THE Mortgage Corner Limited | Financial services | 2000 |
| THE New House Group Limited | Real estate | 2024 |
| THE New World Pension Ltd | Real estate | 2025 |
| THE North Atlantic Fishing Association Limited | Other services | 2014 |
| THE Old Woollen Mill Associates Ltd | Real estate | 2014 |
| THE One Point (Holdings) Limited | Financial services | 2023 |
| THE Paper Parlour Stationers Limited | Wholesale & retail | 2017 |
| THE Quays Garage Block a Limited | Administrative & support | 2012 |
| THE Quays Garage Block B Limited | Administrative & support | 2012 |