| ST Mary AXE Holdings Ltd | Financial services | 2020 |
| ST Mary AXE SPV 1 Ltd | Real estate | 2025 |
| ST Mary Forex Bureau Limited | Financial services | 1998 |
| ST Michael & Co Ltd | Information & communication | 2011 |
| ST Michael Photography Ltd | Professional & scientific | 2023 |
| ST Mini Mart Ltd | Wholesale & retail | 2025 |
| ST Patrick Sales Ltd | Other services | 2016 |
| ST Rita Ltd | Health & social care | 2020 |
| ST SAI Ltd | Health & social care | 2025 |
| ST. Griffin Ltd | Real estate | 2011 |
| ST. Modwen Foods Ltd | Wholesale & retail | 2013 |
| STA Private Ltd | Real estate | 2024 |
| STA Rentals Limited | Real estate | 2016 |
| Stable Homes London Ltd | Real estate | 2025 |
| Stack City Trading Ltd | Wholesale & retail | 2026 |
| Stacked Ilford Ltd | Hospitality | 2026 |
| Stacktails & Co Limited | Hospitality | 2025 |
| Stadium DRY Cleaners Ltd | Other services | 2019 |
| Staffa Properties Limited | Real estate | 2012 |
| Stag & DOE Limited | Wholesale & retail | 2019 |
| Stagedoor Salon Ltd | Other services | 2019 |
| Stager ID Ltd | Households | 2024 |
| Stagmoor Limited | Real estate | 2020 |
| Staines Holding Limited | Real estate | 2024 |
| Staley's Plumbing & Heating Services Ltd | Construction | 2024 |
| Staleys Property Limited | Real estate | 2023 |
| Stamela Christal Limited | Construction | 2019 |
| Stamina Entertainment Ltd | Administrative & support | 2016 |
| Stamp & Associates Limited | Administrative & support | 2003 |
| Stancu Brother Drive Ltd | Transport & logistics | 2024 |
| Standardview Tech Solutions Ltd | Wholesale & retail | 2025 |
| Standby K9 Security Ltd | Administrative & support | 2024 |
| Standown Ltd | Transport & logistics | 2024 |
| Standstock Limited | Professional & scientific | 1987 |
| Stanford Partners Limited | Hospitality | 2025 |
| Stanhope Joel Ltd | Extraterritorial | 2007 |
| Stanley 23 Ltd | Real estate | 2024 |
| Stanley Ilford Ltd | Real estate | 2023 |
| Stanthorpe Road Management Limited | Real estate | 2013 |
| Staplefield Rose Limited | Information & communication | 2023 |
| Stapleford Abbotts Driving Range Ltd | Arts & recreation | 2024 |
| Star Capital LLP | | 2017 |
| Star Construction Group Ltd | Construction | 2020 |
| Star Copywriting Limited | Other services | 2011 |
| Star Decorators Limited | Construction | 2024 |
| Star DRY Cleaning Co Ltd | Other services | 2010 |
| Star Heaton Limited | Construction | 2019 |
| Star Homes (MAIDSTONE1) Limited | Real estate | 2017 |
| Star Homes Maidstone Ltd | Real estate | 2016 |
| Star in ME Childcare Limited | Health & social care | 2024 |
| Star Inn Ltd | Hospitality | 2026 |
| Star Lads Limited | Hospitality | 2024 |
| Star Line Chauffeurs Ltd | Transport & logistics | 2025 |
| Star Logistics and Freight Ltd | Transport & logistics | 2024 |
| Star Medical Care Ltd | Health & social care | 2024 |
| Star Medics Limited | Health & social care | 2019 |
| Star Merchandiser Ltd | Wholesale & retail | 2020 |
| Star National Enterprises Limited | Transport & logistics | 2022 |
| Star Prime Logistics and Removals Ltd | Transport & logistics | 2025 |
| Star Select Ltd | Real estate | 2016 |
| Star Target Development Limited | Real estate | 2006 |
| Star Trading Europe Limited | Other services | 2001 |
| Star UK Properties Ltd | Real estate | 2012 |
| Star Utilities Limited | Energy | 2022 |
| Staraxe Services Ltd | Wholesale & retail | 2018 |
| Starbyte Computers Limited | Transport & logistics | 1988 |
| Stardust UX Ltd | Information & communication | 2026 |
| Starguard Ltd | Administrative & support | 2019 |
| Starhouse (Maidstone) 1 Ltd | Real estate | 2017 |
| Starhouse (Maidstone) Limited | Households | 2014 |
| Staribee International Limited | Wholesale & retail | 2013 |
| Stark Industrial Limited | Hospitality | 2015 |
| Starland London Ltd | Real estate | 2003 |
| Starlet Housing Solution Ltd | Real estate | 2020 |
| Starlight Sports C.I.C. | Arts & recreation | 2023 |
| Starling Experts Ltd | Professional & scientific | 2025 |
| Starlux Auto Cars Ltd | Wholesale & retail | 2025 |
| Starry Tech Limited | Real estate | 2023 |
| Stars Shine Limited | Real estate | 2020 |
| Start Global SL UK Ltd | Administrative & support | 2022 |
| Startax Accountancy Services Ltd | Professional & scientific | 2011 |
| Starters Ltd | Transport & logistics | 2019 |
| Startsmore Production House Limited | Information & communication | 2025 |
| Startup and Software Solutions Limited | Information & communication | 2015 |
| Starvista Properties Limited | Construction | 2008 |
| Stas Construction Ltd | Construction | 2025 |
| Stas Digital Ltd | Information & communication | 2022 |
| Stat PAK Ltd | Other services | 2025 |
| Statera Home Limited | Wholesale & retail | 2026 |
| Statham Trade Ltd | Wholesale & retail | 2025 |
| Station Cafe (UK) Ltd | Hospitality | 2013 |
| Station Chingford Ltd | Real estate | 2021 |
| Station Developments Chadwell Ltd | Real estate | 2021 |
| Station Force Properties Ltd | Real estate | 2023 |
| Station Kiosk (SK) Ltd | Wholesale & retail | 2022 |
| Station Pizza and Fried Chicken Limited | Hospitality | 2018 |
| Station Road Developments Limited | Real estate | 2014 |
| Station Road Forestgate Ltd | Real estate | 2013 |
| Stationery 4 ALL Limited | Wholesale & retail | 2010 |
| Status Move Ltd | Transport & logistics | 2023 |