| S Housing Solutions Leeds Limited | Real estate | 2024 |
| S I B (Holdings) Limited | Financial services | 2007 |
| S J Howitt Limited | Other services | 2010 |
| S J J Scaffolding (Leeds) Ltd | Construction | 2017 |
| S J Osborn Pathology Ltd | Health & social care | 2019 |
| S J Ward Limited | Health & social care | 2011 |
| S Jenner Limited | Construction | 2013 |
| S Johnson Services Ltd | Professional & scientific | 2018 |
| S K Cars Yorkshire Ltd | Wholesale & retail | 2026 |
| S K H Consultants Limited | Administrative & support | 2017 |
| S K Infotech Solutions Limited | Information & communication | 2019 |
| S K Retail Leeds Ltd | Wholesale & retail | 2023 |
| S K Risk Management Limited | Financial services | 2003 |
| S K T Property Leeds Ltd | Real estate | 2024 |
| S Khan Pharma Ltd | Wholesale & retail | 2014 |
| S L Electric Services Limited | Construction | 2008 |
| S M Automotive Northern Limited | Wholesale & retail | 2022 |
| S M Chimney Sweep Limited | Administrative & support | 2016 |
| S M Contractor Leeds Limited | Financial services | 2018 |
| S M Holdings Yorkshire Limited | Construction | 2022 |
| S M Lock & Co Ltd | Real estate | 2025 |
| S M Properties Leeds Ltd | Real estate | 2025 |
| S M Properties Lettings (Leeds) Ltd | Real estate | 2015 |
| S M Properties Lettings Limited | Real estate | 2013 |
| S Macdonald Commercial Services Limited | Manufacturing | 2003 |
| S Majdi Ltd | Transport & logistics | 2018 |
| S Mannion Joinery & Building Ltd | Construction | 2026 |
| S Marples Ltd | Professional & scientific | 2024 |
| S Masey Painting Contractors Limited | Other services | 2010 |
| S N Elliott Consulting Limited | Professional & scientific | 2023 |
| S P DOC Electrical Ltd | Construction | 2022 |
| S P Doors and Hardware Limited | Wholesale & retail | 2009 |
| S Pearson Services Ltd | Wholesale & retail | 2023 |
| S Q Y Properties Limited | Real estate | 2015 |
| S R Heaters Limited | Manufacturing | 2002 |
| S R IND Limited | Wholesale & retail | 2023 |
| S R Signs Limited | Construction | 1988 |
| S R Witham Decorators Limited | Construction | 2003 |
| S Rudderham Joinery Limited | Construction | 2012 |
| S Ryan Associates Limited | Wholesale & retail | 2007 |
| S S M Interiors Limited | Construction | 2011 |
| S Sidhu Limited | Administrative & support | 2025 |
| S Sutton Financial Services Limited | Administrative & support | 2015 |
| S Tariq Optical Ltd | Health & social care | 2020 |
| S W Optom Ltd | Health & social care | 2023 |
| S Waldron Properties Ltd | Real estate | 2020 |
| S Ward IR Limited | Arts & recreation | 2016 |
| S Ward Property Ltd | Real estate | 2020 |
| S&A Groundworks and Plant Ltd | Construction | 2014 |
| S&A Iqbal Ltd | Real estate | 2025 |
| S&B Plastering and Interior Maintenance Ltd | Construction | 2022 |
| S&B Poutine Residencies Limited | Hospitality | 2023 |
| S&B Trade Supplies Ltd | Wholesale & retail | 2023 |
| S&C Fabrications Limited | Manufacturing | 2020 |
| S&C Property Maintenance Ltd | Construction | 2024 |
| S&F Locums Ltd | Health & social care | 2022 |
| S&G Brigante Ltd | Hospitality | 2026 |
| S&H Foods Ltd | Hospitality | 2025 |
| S&I Bookkeeping & Business Services Limited | Professional & scientific | 2024 |
| S&J Estates Ltd | Real estate | 2025 |
| S&J Works UK Ltd | Construction | 2025 |
| S&K Medical Limited | Health & social care | 2018 |
| S&L Cleaning Services Ltd | Administrative & support | 2026 |
| S&L Home Projects Ltd | Real estate | 2025 |
| S&L Real Estate Ltd | Real estate | 2025 |
| S&M Motors Leeds Ltd | Administrative & support | 2026 |
| S&M Properties Leeds Ltd | Real estate | 2024 |
| S&P Ventures Ltd | Real estate | 2022 |
| S&Pb Retail (Deeside) Limited | Manufacturing | 2022 |
| S&Pb Retail (Lancashire) Limited | Manufacturing | 2022 |
| S&Pb Retail (Liverpool) Limited | Manufacturing | 2022 |
| S&Pb Retail (Manchester) Limited | Manufacturing | 2022 |
| S&Pb Retail (Merseyside) Limited | Manufacturing | 2022 |
| S&Pb Retail (Midlands) Limited | Manufacturing | 2022 |
| S&Pb Retail (Yorkshire) Limited | Manufacturing | 2022 |
| S&Pb Retail Limited | Wholesale & retail | 2020 |
| S&R Housing Limited | Real estate | 2025 |
| S&R Stoves Limited | Administrative & support | 2016 |
| S&S Abodes Ltd | Real estate | 2025 |
| S&S Agro Foods Ltd | Wholesale & retail | 2021 |
| S&S Core Ltd | Wholesale & retail | 2026 |
| S&S Glazing Ltd | Construction | 2025 |
| S&S Imaging Services Ltd | Health & social care | 2024 |
| S&S Investors (UK) Ltd | Real estate | 2025 |
| S&S Shah Ltd | Transport & logistics | 2016 |
| S&U Ventures Ltd | Financial services | 2025 |
| S&Vc Consultancy Ltd | Professional & scientific | 2025 |
| S&W Properties Ltd | Administrative & support | 2016 |
| S&Z Private Limited | Wholesale & retail | 2026 |
| S-W Marine Limited | Professional & scientific | 2011 |
| S-Wires Electrical Ltd | Construction | 2022 |
| S. & B. Concrete Limited | | 1974 |
| S. a Humphreys Ltd | Construction | 2019 |
| S. Batty & SON Ltd | Agriculture & fishing | 2014 |
| S. Hallows Consulting Ltd | Wholesale & retail | 2016 |
| S. J Driving School Ltd | Education | 2026 |
| S. N. M. 71 Ltd | Hospitality | 2026 |
| S. N. W. Pastimes Limited | Arts & recreation | 1986 |
| S.& S.(Scarborough)Limited | Wholesale & retail | 1971 |
| S.A Goldtouch Ltd | Wholesale & retail | 2025 |