| Stephen Askew Transport Limited | Transport & logistics | 2011 |
| Stephen James Limited | Other services | 2026 |
| Stephenson’S Lawns and Landscapes Ltd | Professional & scientific | 2022 |
| Steve Ecob C/M Ltd | Professional & scientific | 2021 |
| Steve Robbo Railway Engineering Limited | Construction | 2015 |
| Steven Hodges Limited | Construction | 2015 |
| Steven Pinch (Carnforth) Limited | Construction | 2018 |
| Steven Pinch (Morecambe) Limited | Construction | 2022 |
| Stewart Whiteley Joiner & Building Contractor Ltd. | Construction | 2003 |
| Stickypiston Hosting Ltd | Information & communication | 2019 |
| Stone Suppliers Ltd | Wholesale & retail | 2023 |
| Storehouse Photography Ltd | Professional & scientific | 2018 |
| Storybrooke Limited | Real estate | 2025 |
| Storynest AI Limited | Information & communication | 2025 |
| Strathberry Law Limited | Professional & scientific | 2026 |
| Strawberry Dance Studios Limited | Arts & recreation | 2008 |
| Strong HQ Ltd | Information & communication | 2025 |
| Strongpropertydevelopments Ltd | Real estate | 2025 |
| Structura Planning Limited | Professional & scientific | 2025 |
| Studio 31 Architectural Solutions Limited | Professional & scientific | 2016 |
| Studio 73 Barbers Ltd | Other services | 2025 |
| Stusty Limited | Real estate | 2022 |
| Summer DJ Events Limited | Hospitality | 2025 |
| Sumo Estates Ltd | Real estate | 2026 |
| Sun Street Aparthotel Ltd | Hospitality | 2022 |
| Sunlook Ventures Limited | Professional & scientific | 2008 |
| Sunny-Side Gym Ltd | Arts & recreation | 2025 |
| Supplements Shop Ltd | Wholesale & retail | 2018 |
| Supplitech Limited | Wholesale & retail | 2010 |
| Surgevolt Electrical Limited | Construction | 2026 |
| SW7151 Limited | Financial services | 2020 |
| Sward Ecology Ltd | Professional & scientific | 2021 |
| Swithenbank Limited | Construction | 2002 |
| SY Shellfish Ltd | Agriculture & fishing | 2019 |
| Synergy Build Management Ltd | Construction | 2024 |
| Sysco Blinds UK Ltd | Wholesale & retail | 2016 |
| Szpunar & Associates Limited | Education | 2013 |
| T & L Powney Limited | Real estate | 2002 |
| T Mccann Property Limited | Real estate | 2018 |
| T&T Property Lettings Ltd | Real estate | 2018 |
| T&T Transport Limited | Transport & logistics | 2005 |
| T-Rides Lancaster Ltd | Transport & logistics | 2024 |
| T.L.C. Windows Limited | Construction | 2004 |
| T5 Inc Ltd | Wholesale & retail | 2015 |
| Taiga International Limited | Construction | 2002 |
| Takedoggo Ltd | Professional & scientific | 2023 |
| Tamam Holdings Ltd | Extraterritorial | 2024 |
| Tamam Technologies Ltd | Information & communication | 2025 |
| Tanlan Ltd | Real estate | 2026 |
| Taurus Air Conditioning Services Limited | Construction | 2020 |
| Taxed.Io Limited | Information & communication | 2020 |
| TAY 3 Limited | Financial services | 2016 |
| TAY Property Ltd | Real estate | 2019 |
| Taylors International Ltd | Extraterritorial | 2025 |
| Tcra Events Limited | Arts & recreation | 2013 |
| TD247 Ltd | Construction | 2023 |
| Team Preston Transport Ltd | Transport & logistics | 2021 |
| Tebay Properties Limited | Real estate | 1990 |
| TED Enterprises Limited | Health & social care | 2008 |
| TED Family Ltd | Real estate | 2015 |
| TED Group Holdings Limited | Financial services | 2025 |
| Tella Property Limited | Real estate | 2020 |
| Tern House RTM Company Ltd | Households | 2014 |
| Terra TEC Ltd | Construction | 2025 |
| Tezoro Sports Limited | Wholesale & retail | 2021 |
| Thackray Care Services Limited | Health & social care | 2003 |
| Thai Angels Birmingham Ltd | Health & social care | 2018 |
| Thai Angels UK Ltd | Other services | 2013 |
| That Investment Company Limited | Real estate | 2023 |
| THE A.L.G Property Group Ltd | Real estate | 2025 |
| THE Away END Ltd | Wholesale & retail | 2024 |
| THE Bakery Life Ltd | Manufacturing | 2024 |
| THE Bay BED Company Limited | Wholesale & retail | 2010 |
| THE Bay Care Limited | Health & social care | 2024 |
| THE Bay Clinical and Care Advisory Ltd | Professional & scientific | 2026 |
| THE Bay International Film Festival Limited | Information & communication | 2023 |
| THE Beauty and Hair Education Hub Ltd | Health & social care | 2024 |
| THE Beauty Rooms Lancaster Ltd | Other services | 2018 |
| THE BOW Window Limited | Hospitality | 2016 |
| THE Brasserie Greek Restaurant Ltd | Hospitality | 2019 |
| THE Bridal Collection of Lancaster Ltd | Wholesale & retail | 2016 |
| THE Bull PEN Limited | Hospitality | 2024 |
| THE Channings Property Management Company Ltd | Real estate | 2006 |
| THE Cinch Outdoors Partnership LLP | | 2023 |
| THE Crescent (Hest Bank) Management Company Limited | Real estate | 2007 |
| THE Dispensary Heysham Limited | Hospitality | 2023 |
| THE Enhanced Effect Limited | Professional & scientific | 2022 |
| THE Ethical Small Traders Association CIC | Administrative & support | 2010 |
| THE Euston Road Management Co. Limited | Households | 2007 |
| THE Finishing Touch Co (NW) Ltd | Administrative & support | 2026 |
| THE Fireplace Company Morecambe Limited | Wholesale & retail | 2021 |
| THE George Mcbe Ltd | Hospitality | 2022 |
| THE Glass & Glazing Shop Limited | Construction | 2012 |
| THE Greenwood Property Group Ltd | Real estate | 2022 |
| THE Headlands Management Company Limited | Households | 2001 |
| THE Hobby Hub Club Ltd | Wholesale & retail | 2026 |
| THE Ideas Farm Limited | Manufacturing | 1994 |
| THE Kirkland Centre Limited | Real estate | 2017 |
| THE Lakeland Sofa Company Ltd | Wholesale & retail | 2017 |
| THE Lakeland Stove Company Ltd | Extraterritorial | 2017 |