| Shaikh Business Solution Ltd | Professional & scientific | 2024 |
| Shail Developments Limited | Construction | 2024 |
| Shake Food Limited | Hospitality | 2025 |
| Shake Town Express Ltd | Hospitality | 2025 |
| Shakesndcakes Ltd | Hospitality | 2026 |
| Shamz Group Ltd | Financial services | 2026 |
| Shamz Holdings Ltd | Manufacturing | 2005 |
| Shan Kitchen Ltd | Hospitality | 2025 |
| Shangri-La Properties Limited | Real estate | 2026 |
| Sharpcuts Barber Ltd | Other services | 2026 |
| Shauff Properties Ltd | Real estate | 2023 |
| Shaunajo Ltd | Wholesale & retail | 2025 |
| SHB Distribution Ltd | Wholesale & retail | 2026 |
| Shezan Takeaway Ltd | Hospitality | 2026 |
| Shifthero Trading Limited | Administrative & support | 2024 |
| Shine Care Group Limited | Professional & scientific | 2019 |
| Shine Care Limited | Health & social care | 2011 |
| Shine Furniture Limited | Wholesale & retail | 2025 |
| Shiraz F&D Ltd | Hospitality | 2025 |
| Shooting Stars Nursery Limited | Education | 2022 |
| Shop Tiles Ltd | Wholesale & retail | 2021 |
| Shopsavvy Ltd | Wholesale & retail | 2023 |
| Shortbox Ltd | Information & communication | 2019 |
| SI and Sons Properties Limited | Real estate | 2022 |
| Sibana Pharm Ltd | Health & social care | 2020 |
| Sicanto Ltd | Wholesale & retail | 2023 |
| Sidat Investments Limited | Other services | 2025 |
| Sidvest Limited | Administrative & support | 2024 |
| Sigmakalon (BC) UK Limited | Professional & scientific | 2002 |
| Signature Beds Limited | Manufacturing | 2002 |
| Signature Leisure Limited | Manufacturing | 2025 |
| Signwright (UK) Limited | Manufacturing | 2012 |
| Silks Estates UK Ltd | Real estate | 2010 |
| Simba-X Ltd | Wholesale & retail | 2025 |
| Simplified Fitness Ltd | Arts & recreation | 2025 |
| Simply Beds Ltd | Manufacturing | 2019 |
| Simply KP Accounting Ltd | Professional & scientific | 2023 |
| Simply Prepd Ltd | Hospitality | 2019 |
| Simply PUT Planning Limited | Financial services | 2013 |
| Sinco Health Ltd | Other services | 2011 |
| SIR Timber Limited | Manufacturing | 2025 |
| SJC Samuels Ltd | Wholesale & retail | 2024 |
| SJT Brook Investments Limited | Real estate | 2023 |
| SK FIX & Fit Ltd | Construction | 2026 |
| SK Furniture Agencies Ltd | Wholesale & retail | 2017 |
| SK Global Capital Investments Ltd | Wholesale & retail | 2025 |
| SK Network Ltd | Manufacturing | 2018 |
| SK Reporting Limited | Health & social care | 2025 |
| Sk&A Trading Ltd | Hospitality | 2024 |
| Skbm Property Limited | Real estate | 2023 |
| Skell Finance Co. Limited(The) | Real estate | 1958 |
| Skelwith Coastal Limited | Professional & scientific | 2006 |
| SKILLZ2 CIC | Education | 2022 |
| Skin & Laser Studio Ltd | Other services | 2026 |
| SKN Craft & Co Ltd | Wholesale & retail | 2026 |
| Skola Medical Ltd | Health & social care | 2016 |
| Skos Limited | Information & communication | 2008 |
| Slash Recruitment Ltd | Administrative & support | 2024 |
| SLB Ventilation Ltd | Construction | 2024 |
| Sleep 7 Star Ltd | Wholesale & retail | 2021 |
| Sleep Design Beds Ltd | Manufacturing | 2024 |
| Sleep Heaven Ltd | Manufacturing | 2023 |
| Sleep Lounge Yorkshire Ltd | Manufacturing | 2025 |
| Sleep on Beds UK Ltd | Wholesale & retail | 2019 |
| Sleep R US Ltd | Manufacturing | 2022 |
| Sleep Right Ltd | Wholesale & retail | 2025 |
| Sleep Street Ltd | Wholesale & retail | 2018 |
| Sleep Tailors Ltd | Manufacturing | 2017 |
| Sleep Taylor Beds Ltd | Manufacturing | 2024 |
| Sleep Time Ltd | Manufacturing | 2023 |
| Sleepmb Limited | Wholesale & retail | 2020 |
| Sleeprange Ltd | Wholesale & retail | 2020 |
| Sleepstyle Ltd | Manufacturing | 2017 |
| Sleepur-Pedic Ltd | Wholesale & retail | 2016 |
| Sleepvendor Beds Limited | Wholesale & retail | 2010 |
| Sleepvendor Limited | Wholesale & retail | 2010 |
| Sleepy Group Ltd | Wholesale & retail | 2024 |
| Sleepy Nest Group Ltd | Manufacturing | 2025 |
| Sloomy Properties Ltd | Real estate | 2026 |
| Slumbre UK Limited | Wholesale & retail | 2023 |
| Smart Choice Motor Group Ltd | Wholesale & retail | 2026 |
| Smart Living Apartments Limited | Administrative & support | 2014 |
| Smart Uniforms Ltd | Wholesale & retail | 2026 |
| Smart Uniforms T/A Trutex Wakefield Ltd | Wholesale & retail | 2021 |
| SMC Group Ltd | Real estate | 2019 |
| Smf(Sl) Ltd | Wholesale & retail | 2025 |
| Smith Beds Ltd | Manufacturing | 2025 |
| Smith Collins International Limited | Professional & scientific | 2011 |
| Smith-Collins Holdings Ltd | Real estate | 2024 |
| SML Prestige Contracts Ltd | Professional & scientific | 2025 |
| Smmaz Investments Ltd | Real estate | 2024 |
| Smmaz Ltd | Wholesale & retail | 2020 |
| Smmaz Trading Ltd | Professional & scientific | 2024 |
| SN Mechanics Ltd | Wholesale & retail | 2025 |
| Snncourier Ltd | Transport & logistics | 2025 |
| Snoozecraft Ltd | Manufacturing | 2025 |
| Society for the Blind of Dewsbury Batley and District | Public administration | 2013 |
| Sofas of Oakley Ltd | Manufacturing | 2023 |
| Softnology Limited | Information & communication | 2025 |
| Sohail Mahmood Consultant Bursar Ltd | Professional & scientific | 2009 |