| Salus Talent Solutions Ltd | Administrative & support | 2026 |
| Salvage Mart Limited | Real estate | 2016 |
| Salvation Vintage UK Ltd | Wholesale & retail | 2026 |
| SAM 99 P Ltd | Wholesale & retail | 2005 |
| SAM 99P Properties Limited | Administrative & support | 2020 |
| SAM and Boca Builders Ltd | Water & waste | 2022 |
| SAM Broadway Ltd | Wholesale & retail | 2003 |
| SAM Consulting Associates Limited | Information & communication | 2025 |
| SAM Executive Hire Limited | Transport & logistics | 2012 |
| SAM FM Ltd | Administrative & support | 2022 |
| SAM Forex Ltd | Other services | 2020 |
| SAM G Clark Services Limited | Construction | 2014 |
| SAM International Removals Ltd | Transport & logistics | 2021 |
| SAM Investments Group Ltd | Real estate | 2025 |
| SAM Jewellery Limited | Wholesale & retail | 2015 |
| SAM Makeovers Limited | Other services | 2025 |
| SAM Online Shop Limited | Wholesale & retail | 2024 |
| SAM Shopfitter Ltd | Construction | 2025 |
| SAM Trading WIZ Ltd | Wholesale & retail | 2020 |
| Sam's Barbers London Ltd | Other services | 2022 |
| Sam's Childminding Ltd | Health & social care | 2023 |
| Sam's Consulting Ltd | Real estate | 2015 |
| Sama Portfolio Ltd | Real estate | 2023 |
| Samaa TV UK Ltd | Information & communication | 2022 |
| Samads Group of Companies Ltd | Real estate | 2023 |
| Samar Properties Ltd | Real estate | 2020 |
| Samar Sanaya Investments Ltd | Real estate | 2022 |
| Sambath Investments Ltd | Real estate | 2024 |
| Sambly Sports Ltd | Wholesale & retail | 2025 |
| Sambro Limited | Wholesale & retail | 2022 |
| Sambu Electrical Ltd | Construction | 2020 |
| Sameera Fashions Ltd | Wholesale & retail | 2024 |
| Sami Investments Holding Ltd | Real estate | 2022 |
| Sami Jawaid Ltd | Professional & scientific | 2025 |
| Sami OFF Licence Limited | Wholesale & retail | 2025 |
| Samirut Ltd | Construction | 2019 |
| Samiska Limited | Wholesale & retail | 2025 |
| Samli Group Ltd. | Real estate | 2022 |
| Samli Property Services Ltd | Real estate | 2021 |
| Sammike Ltd | Health & social care | 2022 |
| Sammy Sangha Ltd | Real estate | 2025 |
| Samnawi Enterprise UK Limited | Wholesale & retail | 2015 |
| Samnawi Properties Limited | Real estate | 2021 |
| Samoor Services Limited | Transport & logistics | 2022 |
| Samotlor 2 Ltd | Water & waste | 2020 |
| Sampra Consultants Limited | Transport & logistics | 2015 |
| Samran Ltd | Wholesale & retail | 2021 |
| Sams Barbers Ilford Limited | Other services | 2026 |
| Sams Smith Traders Ltd | Other services | 2022 |
| Sams Solutions Limited | Manufacturing | 2014 |
| Samsco Global Limited | Hospitality | 2012 |
| Samson Lodge Ltd | Real estate | 2023 |
| Samson ORE Courses Limited | Education | 2014 |
| Samsurveyors Limited | Construction | 2019 |
| Samual Operational Ltd | Wholesale & retail | 2025 |
| Samudra Traders Limited | Manufacturing | 2023 |
| Samuel Adrian Brands Limited | Wholesale & retail | 2025 |
| Samuel Findings & Jewellers Limited | Wholesale & retail | 1983 |
| Samuel Star Consultancy Ltd | Information & communication | 2024 |
| Samuels Sons Ltd | Construction | 2020 |
| Samzio Ltd | Manufacturing | 2020 |
| SAN Fruit & VEG Limited | Wholesale & retail | 2026 |
| SAN Prime Ltd | Real estate | 2025 |
| Sana Haulage Ltd | Transport & logistics | 2025 |
| Sana New Real Estates Ltd | Real estate | 2017 |
| Sana Prime Limited | Wholesale & retail | 2026 |
| Sanarah Ltd | Wholesale & retail | 2012 |
| Sanare S Rogowski Ltd | Health & social care | 2024 |
| Sancat Ltd | Real estate | 2023 |
| Sanchez Benton Architects Ltd. | Professional & scientific | 2016 |
| Sanchita Chowdhury Limited | Professional & scientific | 2018 |
| Sancho Automotive Ltd | Wholesale & retail | 2024 |
| Sanchoh Limited | Professional & scientific | 2013 |
| Sand Hill Trading Limited | Wholesale & retail | 2023 |
| Sandalc Limited | Real estate | 2024 |
| Sandalwood Builders Ltd | Construction | 2017 |
| Sandeep Contracts Limited | Construction | 2025 |
| Sandeep S Saini Ltd | Other services | 2017 |
| Sandford Contracts Limited | Construction | 1998 |
| Sandhu & Sandhu Limited | Real estate | 2011 |
| Sandhu Commercials Ltd | Real estate | 2021 |
| Sandhu Ecommerce Ltd | Wholesale & retail | 2024 |
| Sandhu IT 2020 Limited | Information & communication | 2014 |
| Sandhu J N Trust Company Limited | Other services | 2019 |
| Sandhu Real Estate Limited | Real estate | 2015 |
| Sandhu Scaffolding and Construction Limited | Construction | 2016 |
| SANDHU77 Limited | Other services | 2022 |
| Sandhuhaulage Ltd | Transport & logistics | 2025 |
| Sandhurst Estates Limited | Real estate | 2003 |
| Sandi London Limited | Wholesale & retail | 2023 |
| Sandis Construction Limited | Construction | 2026 |
| Sandiv Ltd | Information & communication | 2013 |
| Sando Bros LDN Limited | Hospitality | 2024 |
| Sandooq Limited | Hospitality | 2024 |
| Sandra Davidson Estate Agents Limited | Real estate | 2003 |
| Sandra Mckay Limited | Information & communication | 1984 |
| Sandrals Ltd | Wholesale & retail | 2025 |
| Sandringham Asset Management LLP | | 2018 |
| Sandringham Gardens Ltd | Real estate | 2004 |
| Sandsea Capital Limited | Professional & scientific | 2018 |