| Sowerby Restaurants Limited | Hospitality | 2025 |
| Spatalata Surface Design Limited | Wholesale & retail | 2023 |
| Spencer Finance Ltd | Financial services | 2022 |
| Spencers Trousers Ltd | Manufacturing | 2021 |
| SPIN360SURVEYS Ltd | Professional & scientific | 2017 |
| Spiritual Events Ltd | Health & social care | 2024 |
| Spjl Engineering Ltd | Professional & scientific | 2023 |
| Sprocket Engineering Limited | Professional & scientific | 2018 |
| Squad Media Limited | Wholesale & retail | 2017 |
| Sr&S Engineering Ltd | Professional & scientific | 2021 |
| SSW Takeaway Ltd | Hospitality | 2021 |
| ST John's Church of England Primary School, Rishworth | Education | 2012 |
| Stage One (U.K.) Limited | Professional & scientific | 1986 |
| Stationhouse Builders Limited | Other services | 2025 |
| Stead Sourcing Ltd | Administrative & support | 2023 |
| Step Sport Solutions Ltd | Construction | 2026 |
| Stephen Maskill Butchers Limited | Agriculture & fishing | 2003 |
| Stfl Solutions Ltd | Information & communication | 2018 |
| Stinkerstuff Ltd | Manufacturing | 2022 |
| Stir FRY Catering Limited | Hospitality | 2019 |
| Stockmeier UK Ltd | Professional & scientific | 2021 |
| Stockmeier Urethanes UK Limited | Manufacturing | 1982 |
| Stocks Controls Limited | Professional & scientific | 2025 |
| Stoveglass-Direct Limited | Other services | 2016 |
| Strafford Homes Ltd | Real estate | 2019 |
| Streamline Strength Studio Ltd | Arts & recreation | 2025 |
| Stuart Lumb Limited | Construction | 2003 |
| Student Facility Management Limited | Real estate | 2007 |
| Studio Forty Four Ltd | Professional & scientific | 2010 |
| Studio Lynnie Ltd | Professional & scientific | 2014 |
| Sunpf Trade Ltd | Wholesale & retail | 2025 |
| Super HAO Trading Ltd | Wholesale & retail | 2025 |
| Supersonica Events Ltd | Arts & recreation | 2024 |
| Survey Scan Solutions Ltd | Professional & scientific | 2025 |
| Svgp Limited | Health & social care | 2015 |
| Swan Energy Limited | Professional & scientific | 1998 |
| Swan Energy Trustee Limited | Financial services | 2023 |
| Sweeney Homes & Renovations Ltd | Real estate | 2024 |
| Swiftxf Limited | Information & communication | 2006 |
| Sycamore Interiors Limited | Wholesale & retail | 2023 |
| Syhiba Restaurant (Halifax) Limited | Hospitality | 2025 |
| Synergie Partnerships UK Ltd | Wholesale & retail | 2011 |
| T C Installations (Yorkshire) Limited | Manufacturing | 2005 |
| T Jolly Facility Services Limited | Manufacturing | 2019 |
| T Reed Construction (NW) Ltd | Construction | 2023 |
| TAG Rental Limited | Real estate | 2022 |
| Tait Lifestyle Limited | Manufacturing | 2020 |
| Talent OWL Ltd | Professional & scientific | 2026 |
| Tally TS Bookkeeping Ltd | Professional & scientific | 2025 |
| Tanashe Prime Limited | Administrative & support | 2016 |
| Target Tyres (Halifax) Limited | Wholesale & retail | 2015 |
| Taste of Food 888 Ltd | Hospitality | 2025 |
| Taylor Made Rooms Limited | Hospitality | 2016 |
| Taylor Wooding Ltd | Extraterritorial | 2013 |
| TDC Interpreting Limited | Health & social care | 2015 |
| Tech Hospital Ltd | Professional & scientific | 2022 |
| Techforgood Ltd | Information & communication | 2023 |
| Technology Support 24/7 Limited | Information & communication | 2020 |
| Temujin Restaurants Limited | Administrative & support | 2002 |
| Tezelec Ltd | Wholesale & retail | 2021 |
| THE Alternative Practice Ltd | Wholesale & retail | 2026 |
| THE Appreciative Partnership Limited | Professional & scientific | 2017 |
| THE Barber PAD Ltd | Other services | 2025 |
| THE Big Squeeze Bistro Ltd | Hospitality | 2022 |
| THE Big Squeeze Bistro Property Co Ltd | Real estate | 2025 |
| THE Cloud Machine Limited | Professional & scientific | 2011 |
| THE Coven Wellness Club Ltd | Arts & recreation | 2026 |
| THE Dogs PAW and Doggy Day Centre Ltd | Professional & scientific | 2020 |
| THE Envy Plumbing Company Ltd | Construction | 2023 |
| THE Excited Goat (HB) Ltd | Hospitality | 2023 |
| THE Garden at Gabriels Limited | Hospitality | 2017 |
| THE Glass Slipper (Ripponden) Ltd | Other services | 2017 |
| THE Green Team Halifax Limited | Professional & scientific | 2025 |
| THE Home Stretch Ltd | Real estate | 2015 |
| THE Hypnotherapy HUT Ltd | Health & social care | 2025 |
| THE Laceworks Management Limited | Real estate | 2019 |
| THE Lancashire Car Buyer Limited | Wholesale & retail | 2025 |
| THE Loft Ripponden Ltd | Hospitality | 2025 |
| THE Lookout Sowerby Bridge Limited | Health & social care | 2026 |
| THE Mortgage Mill Commercial Ltd | Financial services | 2022 |
| THE Mortgage Mill Ltd | Financial services | 2021 |
| THE Peak Group Ltd | Construction | 2015 |
| THE Planning Network Ltd | Professional & scientific | 2019 |
| THE Premier Balloon Company Limited | Manufacturing | 2024 |
| THE Retail Company (Hale) Limited | Wholesale & retail | 2020 |
| THE Right Place for HER CIC | Education | 2026 |
| THE Rushcart Inn Ltd | Hospitality | 2026 |
| THE Security & Gates Company Ltd | Administrative & support | 2020 |
| THE Snow Island Partnership | | 2001 |
| THE Timeout Foundation Ltd | Health & social care | 2008 |
| THE Venue Barkisland Limited | Hospitality | 2016 |
| THE Willow Tree Cafe Ltd | Hospitality | 2016 |
| THE Yorkshire Car Buyer Limited | Wholesale & retail | 2025 |
| Therappuk Limited | Health & social care | 2015 |
| Thorpe Mill Court Limited | Households | 2001 |
| Throwdown Hub Ltd | Administrative & support | 2019 |
| Timber Techniks Limited | Construction | 2006 |
| Time OUT Education Limited | Education | 2005 |
| Timeless Jowett Limited | Wholesale & retail | 2025 |
| Timeout Childrens Homes Limited | Health & social care | 2004 |