| Splash Legal Limited | Professional & scientific | 2018 |
| Splash PAY Ltd | Information & communication | 2026 |
| Splashbacks by Post Ltd | Manufacturing | 2010 |
| Splashing Kids Ltd | Education | 2026 |
| Splendid Care Solution Ltd | Health & social care | 2017 |
| Splendo Tiling Ltd | Construction | 2026 |
| Splice Coaching & Consulting Ltd | Professional & scientific | 2020 |
| Split KIT Ltd | Manufacturing | 2025 |
| Splmnts Ltd | Wholesale & retail | 2026 |
| SPM Employee (Holdings) Limited | Financial services | 2019 |
| SPM Employee Benefits Ltd | Financial services | 2004 |
| SPM Engineering (Group) Ltd | Manufacturing | 2012 |
| SPM Plastering Contractors Ltd | Construction | 2020 |
| Spna Investment Holding Ltd | Real estate | 2025 |
| Spnd Holdings Limited | Hospitality | 2020 |
| Spode Limited | Administrative & support | 2025 |
| Spofforth Hall Management Company Limited | Households | 2008 |
| Spofforth Holdings LLP | | 2024 |
| Spoke Medical Limited | Health & social care | 2021 |
| Spokz Limited | Wholesale & retail | 2016 |
| Spokz People C.I.C. | Health & social care | 2011 |
| Sponge Investments Ltd | Real estate | 2025 |
| Spore and Pour Ltd | Manufacturing | 2025 |
| Sport & Spinal Physiotherapy Limited | Health & social care | 2008 |
| Sport Alliance Ltd. | Information & communication | 2025 |
| Sport Bar & Restaurant Ltd | Hospitality | 2019 |
| Sport Leisure Travel Limited | Administrative & support | 2007 |
| Sportal Ltd | Wholesale & retail | 2024 |
| Sportcc Limited | Information & communication | 2023 |
| Sporting Heritage Community Interest Company | Education | 2012 |
| Sporting Memories Network C.I.C. | Arts & recreation | 2011 |
| Sportinglife Store Limited | Wholesale & retail | 2025 |
| Sportive HQ Limited | Administrative & support | 2016 |
| Sportrack Surfaces Limited | Administrative & support | 2020 |
| Sports Cafe (Halton) Limited | Hospitality | 2024 |
| Sports Event Consultancy Limited | Arts & recreation | 2011 |
| Sports Hub Brands Ltd | Wholesale & retail | 2022 |
| Sports Junkie Limited | Wholesale & retail | 2016 |
| Sports Ofisu Ltd | Wholesale & retail | 2026 |
| Sports Prestige and Classics Ltd | Financial services | 2017 |
| Sports TEL Limited | Information & communication | 2001 |
| Sportshub Consultancy Limited | Professional & scientific | 2022 |
| Sportshub Group Ltd | Financial services | 2024 |
| Sporttech AMS Limited | Information & communication | 2023 |
| Spos UK Ltd | Information & communication | 2022 |
| Spot on Solutions Ltd | Professional & scientific | 2013 |
| Spot On-Line Limited | Wholesale & retail | 2013 |
| Spotlight Virtual Assistant Ltd | Administrative & support | 2024 |
| Spotted Daisies | Professional & scientific | 2015 |
| Spra-Team Limited | Construction | 2011 |
| Sprawl Systems Ltd | Information & communication | 2025 |
| Spray Machine Ltd | Wholesale & retail | 2020 |
| Spray Plant (UK) Limited | Wholesale & retail | 1994 |
| Spray Plant 2K Limited | Wholesale & retail | 2003 |
| Spraycal Ltd | Manufacturing | 2024 |
| Sprayform Painting & Decorating Limited | Construction | 2005 |
| Sprayteq Harrogate Limited | Wholesale & retail | 2012 |
| Sprd Manco Limited | Real estate | 2019 |
| Sprightly Human Community Ltd | Health & social care | 2018 |
| Spring Holdco (SFL) Limited | Financial services | 2023 |
| Spring Lilly Consultancy Ltd | Professional & scientific | 2015 |
| Spring Midco (SFL) Limited | Financial services | 2023 |
| Spring Retirement Limited | Health & social care | 2018 |
| Spring Topco (SFL) Limited | Financial services | 2023 |
| Spring Villa Limited | Transport & logistics | 2019 |
| Springbank Properties (Leeds) Limited | Real estate | 2022 |
| Springbokshire Limited | Financial services | 2021 |
| Springdale Properties Limited | Real estate | 2019 |
| Springfall UK Ltd | Wholesale & retail | 2019 |
| Springfield (Guiseley) Management Limited | Real estate | 2008 |
| Springfield Autos Limited | Wholesale & retail | 2021 |
| Springfield Care Services Limited | Health & social care | 2003 |
| Springfield Construction Management Services Limited | Professional & scientific | 2012 |
| Springfield Court Management (Leeds) Limited | Households | 2005 |
| Springfield Farm Equestrian Limited | Agriculture & fishing | 2014 |
| Springfield Fisheries Limited | Wholesale & retail | 2018 |
| Springfield Gardens Limited | Other services | 2014 |
| Springfield Healthcare (Grove House) Limited | Health & social care | 2017 |
| Springfield Healthcare (Wetherby) Limited | Construction | 2025 |
| Springfield Healthcare Group Limited | Health & social care | 2004 |
| Springfield Home Care Services Limited | Administrative & support | 1999 |
| Springhall Properties Limited | Real estate | 2022 |
| Springhouse Limited | Information & communication | 2003 |
| Springleigh Estates Limited | Real estate | 2023 |
| Springone Ltd | Extraterritorial | 2014 |
| Springs Health Ltd | Public administration | 2025 |
| Springs People Ltd | Administrative & support | 2025 |
| Springswells Limited | Health & social care | 2022 |
| Springthorpes Ltd | Financial services | 2019 |
| Springwell (Headingley) Limited | Real estate | 2013 |
| Springwell (South Milford) Management Company Limited | Real estate | 2025 |
| Springwell 27 Management Limited | Other services | 2017 |
| Springwell Commercials Ltd | Wholesale & retail | 2013 |
| Springwood Capital Limited | Administrative & support | 2014 |
| Springwood Maintenance Ltd | Real estate | 2019 |
| Springwood Management Company Limited | Households | 2004 |
| Springwood Property Developers Limited | Real estate | 2016 |
| Springwood Road Management Company (Leeds) Limited | Households | 2005 |
| Springwood Ventures Limited | Administrative & support | 2023 |
| Springwood Wealth Management Ltd | Financial services | 2024 |