| Sportswise Management Limited | Arts & recreation | 2005 |
| Sportwise Marketing Limited | Information & communication | 1989 |
| Spot of Colour Ltd | Professional & scientific | 2022 |
| Spotless Code Ltd | Information & communication | 2016 |
| Spotless Wonders Ltd | Administrative & support | 2024 |
| Spotonsolar Ltd | Energy | 2020 |
| Spotsoft Limited | Information & communication | 2008 |
| Spray First Ltd | Construction | 2026 |
| Spring Farm Investments Limited | Real estate | 2002 |
| Spring Realty Ltd | Real estate | 2025 |
| Spring Street Corner Limited | Real estate | 2022 |
| Spring Wood (Bramhope) Management Company Limited | Households | 2019 |
| Springboard Developments Limited | Other services | 2024 |
| Springbrook Gardens (Blakedown) Management Company Limited | Households | 2025 |
| Springburn Childcare Limited | Education | 2004 |
| Springfield Property Services Limited | Real estate | 2012 |
| Springmeadow Trading Ltd | Agriculture & fishing | 2016 |
| Springweald Limited | Real estate | 1994 |
| Springwell House Midlands Ltd | Health & social care | 2025 |
| Springwood Solutions Ltd | Information & communication | 2018 |
| Sprinkle and Scoop Ltd | Wholesale & retail | 2021 |
| Sprout Co-Op Limited | Agriculture & fishing | 2021 |
| SPROUT2016 Ltd | Hospitality | 2016 |
| Sprucers Limited | Administrative & support | 2004 |
| SPS Plastering and Rendering Services Ltd | Construction | 2019 |
| SPS Restaurants Ltd | Hospitality | 2023 |
| Spudtec Ltd | Information & communication | 2023 |
| SPY Rider UK Limited | Wholesale & retail | 2018 |
| Spycatcher Online Limited | Wholesale & retail | 2018 |
| Spyder Cards Ltd | Wholesale & retail | 2026 |
| SQ Garage Limited | Wholesale & retail | 2024 |
| SQA Holdings Limited | Financial services | 2021 |
| Squadit Ltd | Information & communication | 2013 |
| Square 1 Property Limited | Extraterritorial | 2014 |
| Square One Creative Limited | Professional & scientific | 2014 |
| SQUARE2 Digital Ltd | Information & communication | 2022 |
| Squarescope Limited | Professional & scientific | 2020 |
| Squirrels Nook Investments Limited | Financial services | 2011 |
| SR Apprenticeships Limited | Education | 2009 |
| SR Care Limited | Health & social care | 2009 |
| SR Consultancy Solutions Limited | Information & communication | 2023 |
| SR Engineering Services Limited | Professional & scientific | 2016 |
| SR Fortress Group Ltd | Financial services | 2020 |
| SR Retail Limited | Wholesale & retail | 2012 |
| SR Sharma Properties Limited | Real estate | 2025 |
| SR Supplies Ltd | Professional & scientific | 2016 |
| SR1993 Ltd | Arts & recreation | 2022 |
| SRA Domus Limited | Real estate | 2024 |
| SRA Professionals Limited | Health & social care | 2015 |
| Srandco Ltd | Construction | 2020 |
| SRC Rail Services Ltd | Professional & scientific | 2022 |
| SRD Enterprises Ltd | Administrative & support | 2025 |
| Srear Ltd | Professional & scientific | 2017 |
| Sree Housing Ltd | Real estate | 2022 |
| SRG Engineering Limited | Manufacturing | 2017 |
| SRI Dining Limited | Hospitality | 2026 |
| SRI Lakshmi Retail Ltd | Wholesale & retail | 2025 |
| SRI Laxmi Ltd | Financial services | 2025 |
| Srich Consultancy Limited | Professional & scientific | 2021 |
| Sriyansha Imaging Limited | Health & social care | 2025 |
| SRJ Consultancy Limited | Information & communication | 2022 |
| SRJ Properties and Holdings Limited | Real estate | 2024 |
| SRK Midland Ltd | Transport & logistics | 2024 |
| SRK Rich Ltd | Professional & scientific | 2026 |
| SRS Services (UK) Limited | Professional & scientific | 2007 |
| SRT Contractors Limited | Construction | 2025 |
| SS & BK Johal Limited | Real estate | 2022 |
| SS & HS Properties Ltd | Real estate | 2026 |
| SS Automation Ltd | Professional & scientific | 2025 |
| SS Fruit and VEG Limited | Wholesale & retail | 2018 |
| SS Group Heating Plumbing Ltd | Construction | 2019 |
| SS IT Midlands Limited | Information & communication | 2016 |
| SS Land Limited | Construction | 2018 |
| SS Property Partners Limited | Real estate | 2026 |
| SS West Ltd | Real estate | 2024 |
| Ssas Vitality Ltd | Financial services | 2023 |
| SSB Executive Finance Limited | Professional & scientific | 2017 |
| SSB Investment Group Ltd | Real estate | 2024 |
| SSD Construction Services Ltd | Construction | 2016 |
| SSE Derby Ltd | Hospitality | 2025 |
| SSE Derbyshire Ltd | Wholesale & retail | 2025 |
| Ssebatta Suites Ltd | Hospitality | 2025 |
| SSI Properties Ltd | Real estate | 2020 |
| SSJ & Sons Holdings Ltd | Financial services | 2023 |
| SSJ & Sons Properties Ltd | Real estate | 2023 |
| SSJ Logistics Ltd | Transport & logistics | 2015 |
| SSK Services Limited | Transport & logistics | 2025 |
| SSL Property Limited | Real estate | 2017 |
| SSM Lean Consultants Ltd | Professional & scientific | 2019 |
| SSM Transport Limited | Wholesale & retail | 2018 |
| Ssmrt Ltd | Administrative & support | 2022 |
| SSP Technology Limited | Administrative & support | 2013 |
| Ssper Property Limited | Real estate | 2023 |
| Sspq Properties Limited | Real estate | 2025 |
| SSR Engineering and IT Services Ltd | Information & communication | 2017 |
| SSR Food Ltd | Hospitality | 2026 |
| SSS Construction INT Ltd | Construction | 2025 |
| SSS Food Consultancy Ltd | Professional & scientific | 2025 |
| SSS IT 18 Ltd | Information & communication | 2025 |
| Sssuppliers Group Limited | Wholesale & retail | 2026 |