| Salisbury Debtco Limited | Administrative & support | 2019 |
| Salisbury Fish Bar Limited | Hospitality | 2026 |
| Salisbury Maintenance Limited | Construction | 2014 |
| Salisbury Midco Limited | Administrative & support | 2019 |
| Salisbury Parentco Limited | Administrative & support | 2019 |
| Salisbury Store Ltd | Wholesale & retail | 2018 |
| Salisbury Super Store Ltd | Wholesale & retail | 2026 |
| Salisbury Topco Limited | Administrative & support | 2019 |
| Salisburyj Ltd | Construction | 2025 |
| Salisyon Holdings Ltd | Administrative & support | 2019 |
| Salkel Limited | Hospitality | 2023 |
| Sall Limited | Real estate | 2019 |
| Sall Snack Manufacturing Company Limited | | 1983 |
| Sallas Solutions Limited | Construction | 2018 |
| Sally Bell Limited | Wholesale & retail | 2018 |
| Sally Jaques Consulting Ltd | Professional & scientific | 2024 |
| Sallyann Baldry Consulting Limited | Professional & scientific | 2019 |
| Salma.B. Limited | Real estate | 2024 |
| Salman Finance Ltd | Other services | 2023 |
| Salomon Group UK Ltd | Financial services | 2019 |
| Salon Artiste Limited | Other services | 2020 |
| Salon Central 17 Limited | Other services | 2021 |
| Salon Response Limited | Other services | 2018 |
| Salon Stylist Management Ltd | Administrative & support | 2021 |
| Salon Zero PVT Ltd | Other services | 2023 |
| SALON1UK Ltd | Other services | 2025 |
| Saloncardiff(Tg) Hairdressing Ltd | Other services | 2020 |
| Salpa Corp Limited | Manufacturing | 2018 |
| Salritex Ltd | Administrative & support | 2024 |
| Salsii Limited | Extraterritorial | 2018 |
| Salsun Ltd. | Wholesale & retail | 2021 |
| Salt & Grant Ltd | Construction | 2021 |
| Salt & Skin Aesthetics Ltd | Other services | 2022 |
| Salt & Smoke Foods Ltd | Wholesale & retail | 2023 |
| Salt 2 Summit Investments Limited | Real estate | 2024 |
| Salt Cardiff Limited | Hospitality | 2025 |
| Salt Exchange Ltd | Information & communication | 2018 |
| Salt Harmony Ltd | Health & social care | 2025 |
| Saltandv Limited | Hospitality | 2026 |
| Salter.Me Limited | Administrative & support | 2021 |
| Salthouse Luxury Pet Boarding Ltd | Agriculture & fishing | 2018 |
| Saltire Windows and Home Improvements Ltd | Professional & scientific | 2020 |
| Saltish Lamp Ltd | Wholesale & retail | 2025 |
| Saltlake Seafood Co Ltd | Real estate | 2018 |
| Saltmarshe Ltd | Manufacturing | 2003 |
| Saltustore Ltd | Administrative & support | 2023 |
| Salty LAU Ltd | Wholesale & retail | 2025 |
| Salty Trading Ltd | Wholesale & retail | 2026 |
| Saludvita LM Ltd | Wholesale & retail | 2025 |
| Salus Properties Limited | Real estate | 2018 |
| Salvador Estates Limited | Real estate | 2017 |
| Salvage Recruiters Ltd | Administrative & support | 2018 |
| Salvage.J.Antiques Ltd | Wholesale & retail | 2024 |
| Salvair Ltd | Manufacturing | 2025 |
| Salvaje Digital Ltd | Professional & scientific | 2024 |
| Salvelux Limited | Manufacturing | 2025 |
| Salviv Limited | Wholesale & retail | 2024 |
| Salvo and SON Construction Limited | Construction | 2022 |
| SAM Automobiles Management Limited | Wholesale & retail | 2024 |
| SAM Dovepalm Management Ltd | Real estate | 2016 |
| SAM Ferguson Ltd | Information & communication | 2022 |
| SAM Fire Doors Ltd | Manufacturing | 2021 |
| SAM Jielian Global Co., Ltd | Energy | 2025 |
| SAM Malik Ltd | Wholesale & retail | 2025 |
| SAM Marketing Group Ltd | Wholesale & retail | 2026 |
| SAM Mechanics Workshop Limited | Wholesale & retail | 2025 |
| SAM Quick FIX Ltd | Construction | 2023 |
| SAM SUM Group Limited | Real estate | 2024 |
| SAM Williams Heating & Plumbing Ltd | Construction | 2014 |
| SAM Woolford Motion & Video Limited | Professional & scientific | 2018 |
| SAM Yazigi Consultancy Limited | Professional & scientific | 2015 |
| Sam&Ben Logistics Limited | Transport & logistics | 2026 |
| Sam's Food HUT Ltd | Hospitality | 2019 |
| Sam-Rc Health Coaching Ltd | Health & social care | 2023 |
| SAM8 Limited | Construction | 2025 |
| Sama Cargo Ltd | Transport & logistics | 2017 |
| Sama Partners Limited | Wholesale & retail | 2018 |
| Samah YYC Ltd | Wholesale & retail | 2021 |
| Samahy Mall Ltd | Professional & scientific | 2026 |
| Samama Ltd | Wholesale & retail | 2025 |
| Samaria Group Ltd | Real estate | 2026 |
| Samaviatayyab Trading Limited | Wholesale & retail | 2025 |
| Samazmsipa Limited | Health & social care | 2013 |
| Sambo Limited | Hospitality | 2023 |
| Samcam Ltd | Information & communication | 2015 |
| Samcj Ltd | Other services | 2025 |
| Same Day Courier Services Ltd | Transport & logistics | 2017 |
| Same Day Waste Disposal Ltd | Water & waste | 2024 |
| Sameco Ltd | Wholesale & retail | 2024 |
| Sameerqureshi Ltd | Wholesale & retail | 2022 |
| Samejo Group Limited | Wholesale & retail | 2026 |
| Sameritas Ltd | Manufacturing | 2025 |
| Sameworld (UK) Limited | Professional & scientific | 2013 |
| Samgi ADS Ltd | Professional & scientific | 2025 |
| Samhain Limited | Real estate | 2023 |
| Samhi Healthcare Ltd | Health & social care | 2022 |
| Samirts Ltd | Professional & scientific | 2024 |
| Samito Factory Clothing Ltd | Wholesale & retail | 2017 |
| Samjac Ltd | Manufacturing | 2025 |
| Samkat Consulting Ltd | Professional & scientific | 2017 |