| Steve Rice (2019) Limited | Construction | 2019 |
| Steve Sirrell Limited | Wholesale & retail | 1981 |
| Steve Wilson Anaesthetics Ltd | Health & social care | 2025 |
| Steve's Auto Centre Limited | Wholesale & retail | 2022 |
| Steven & Regina Limited | Health & social care | 2015 |
| Steven Curtis Limited | Professional & scientific | 2017 |
| Steven Fennell Limited | Professional & scientific | 2022 |
| Steven Flannery Limited | Wholesale & retail | 2019 |
| Steven Groves Construction Limited | Construction | 2024 |
| Steven Lloyd Edwards Fund KCP 2 L.P. | | 2008 |
| Steven Marren Limited | Professional & scientific | 2024 |
| Steven Robinson Holdings Limited | Real estate | 2022 |
| Steven Ward IT Consultancy Ltd | Information & communication | 2015 |
| Stevenservices Ltd | Other services | 2025 |
| Stevenson Design and Build Limited | Construction | 2013 |
| Stevenson Rose Ltd | Financial services | 2018 |
| Steves Auto Sales Limited | Wholesale & retail | 2026 |
| Stewards.One Limited | Wholesale & retail | 2023 |
| Stewart Associates (Midland) Limited | Professional & scientific | 1995 |
| Stewart Urquhart Consulting Ltd | Professional & scientific | 2012 |
| STF Technical Services Ltd | Information & communication | 2022 |
| STG Elite Change Limited | Professional & scientific | 2022 |
| STG IT Solutions Limited | Information & communication | 2022 |
| STH Business Development Limited | Professional & scientific | 2020 |
| STH Consulting Ltd | Information & communication | 2021 |
| Sticky Desk Limited | Wholesale & retail | 2021 |
| Stickyeyes Limited | Information & communication | 2003 |
| Sticss Limited | Financial services | 2016 |
| Stiff Property Estates Ltd | Real estate | 2024 |
| Stifflegs & Co Limited | Other services | 2020 |
| Stikk Limited | Manufacturing | 2026 |
| Stil Investment Limited | Real estate | 2021 |
| Stil Technology Limited | Information & communication | 2013 |
| Stillie DEE Ltd | Real estate | 2024 |
| Stinky Stuff Ltd | Wholesale & retail | 2015 |
| Stipend Ltd | Administrative & support | 2024 |
| Stirling Equity Holdings Ltd | Professional & scientific | 2021 |
| Stirling Prescient (NO.2) Limited | Real estate | 2020 |
| Stirling Prescient (NO.2) Living Limited | Households | 2023 |
| Stirling Project Services Limited | Construction | 2021 |
| Stitch & SEW Ltd | Other services | 2018 |
| Stitch-Up CIC | Arts & recreation | 2015 |
| Stkt.Tx Ltd | Health & social care | 2025 |
| STM Energy Services Limited | Construction | 2024 |
| Stmac Consulting Ltd | Professional & scientific | 2017 |
| STO Fast Food Ltd | Hospitality | 2026 |
| Stoa Recruitment Limited | Administrative & support | 2025 |
| Stobro Ltd | Real estate | 2024 |
| Stock Clearance International Ltd | Wholesale & retail | 2020 |
| Stockate Concrete and Transport Ltd | Transport & logistics | 2019 |
| Stockbridge Investments Limited | Financial services | 2003 |
| Stockdale Properties Ltd | Real estate | 2022 |
| Stockdon Limited | Manufacturing | 1989 |
| Stockmonkey Limited | Wholesale & retail | 2014 |
| Stockrail Limited | | 1980 |
| Stocks Hill Store Limited | Wholesale & retail | 2025 |
| Stockton Car Centre Limited | Wholesale & retail | 2016 |
| Stockton Plant & Equipment Limited | Wholesale & retail | 1976 |
| Stockwell Travel Limited | Administrative & support | 2025 |
| Stoic Sports Ltd | Professional & scientific | 2024 |
| Stoica Cleaning Services Ltd | Administrative & support | 2024 |
| Stokrotka Ltd | Wholesale & retail | 2020 |
| Stomhaus Ltd | Construction | 2015 |
| Stone Bank Gardens Management Company Limited | Households | 2007 |
| Stone Barber Leeds Ltd | Other services | 2025 |
| Stone Consultancy Services Yorkshire Ltd | Information & communication | 2026 |
| Stone Cross Mansion Luxury Vacations Limited | Hospitality | 2021 |
| Stone Edge Homes Ltd | Construction | 2021 |
| Stone Group Investments Ltd | Financial services | 2016 |
| Stone Group Investments UK Ltd | Professional & scientific | 2017 |
| Stone Hall Management Company Limited | Households | 1991 |
| Stone Hampton Limited | Construction | 2008 |
| Stone Investments Leeds Ltd | Real estate | 2017 |
| Stone Investments Yorkshire Ltd | Professional & scientific | 2017 |
| Stone Management (Wakefield) Limited | Financial services | 2021 |
| Stone Petals Investments Ltd | Real estate | 2025 |
| Stone River Investments Ltd | Construction | 2020 |
| Stone Rose Properties Ltd | Real estate | 2024 |
| Stone Roses Bar Limited | Professional & scientific | 2007 |
| Stone Top Leisure Limited | Hospitality | 2021 |
| Stone Top Properties Limited | Real estate | 2020 |
| Stoneacre Property Developers Limited | Real estate | 2006 |
| Stoneacre Property Investments Ltd | Real estate | 2012 |
| Stonebridge Beck Limited | Real estate | 2021 |
| Stonebridge Capital Limited | Financial services | 2019 |
| Stonebridge Construction Limited | Construction | 2017 |
| Stonebridge Court (Farnley) Management Company Limited | Households | 2006 |
| Stonebridge Portfolio Limited | Real estate | 2025 |
| Stonebridge Projects Limited | Construction | 2008 |
| Stonebridge Property Limited | Real estate | 2024 |
| Stonebridge Real Estate Ltd | Construction | 2023 |
| Stonebridge UK Group Limited | Financial services | 2020 |
| Stonecliffe Investments Limited | Real estate | 2020 |
| Stonecliffe Jewellers Ltd | Wholesale & retail | 2026 |
| Stonecrest Driveways Ltd | Construction | 2025 |
| Stonecroft Logistics Ltd | Transport & logistics | 2019 |
| Stonecroft Properties Ltd | Real estate | 2020 |
| Stonecroft Property (Leeds) Ltd | Real estate | 2025 |
| Stonefall Enterprises Ltd | Wholesale & retail | 2024 |
| Stonegate Court (York) Management Company Limited | Households | 2002 |