| SSK Property Services Limited | Real estate | 2026 |
| SSM Family Ltd | Real estate | 2025 |
| SSN Care Solutions Limited | Administrative & support | 2022 |
| Sspropertyportfolio Limited | Real estate | 2026 |
| SSR Global Trading Ltd | Wholesale & retail | 2026 |
| Ssrl Properties Limited | Real estate | 2019 |
| SSS Management Services Limited | Administrative & support | 2006 |
| SSS Systems NW Limited | Construction | 2011 |
| SSW Properties Ltd | Real estate | 2024 |
| ST Anthony Group Limited | Financial services | 2019 |
| ST George Care UK Limited | Professional & scientific | 2008 |
| ST George Group Limited | Professional & scientific | 2005 |
| ST George Homes & Resorts Ltd | Real estate | 2007 |
| ST George's Nursing Home (Oldham) Limited | Health & social care | 2000 |
| ST Healthcare Ltd | Other services | 2022 |
| ST Johns Gardens Residents Company Limited | Households | 2016 |
| ST Lawrence Vineyard Limited | Agriculture & fishing | 2023 |
| ST Mary's Convenience Store PVT Ltd | Wholesale & retail | 2026 |
| ST Michael Group Limited | Financial services | 2019 |
| ST Phillips 1961 Limited | Extraterritorial | 2013 |
| ST Power Solutions Ltd | Construction | 2020 |
| ST Property Management Group Ltd | Real estate | 2025 |
| ST Werburgh Developments Limited | Real estate | 2015 |
| ST. Anne's Pre-School, Royton Oldham | Education | 2005 |
| ST. Annes Arlfc Limited | Arts & recreation | 1984 |
| ST. Mark Universal Care | Health & social care | 2013 |
| ST. Marys Continuing Care Limited | Health & social care | 2003 |
| Staar Group Ltd | Wholesale & retail | 2021 |
| Stables Wedding Farm Ltd | Other services | 2024 |
| Staceys Cafe Ltd | Hospitality | 2021 |
| Staffing Services Point Ltd | Administrative & support | 2021 |
| Stafford Estates Ltd | Real estate | 2026 |
| Staffworks Ltd | Administrative & support | 2020 |
| Stag Inspection Limited | Professional & scientific | 2016 |
| Stainless Restoration Limited | Professional & scientific | 2001 |
| Staley Farm Management Company Limited | Real estate | 2015 |
| Stallion 4 Management Ltd | Real estate | 2025 |
| Staly Bros Ltd | Hospitality | 2024 |
| Stamford Industrial Electronics Ltd | Manufacturing | 2014 |
| Stand and BE Counted Theatre Ltd | Arts & recreation | 2014 |
| Standard Gold Limited | Manufacturing | 2025 |
| Standeaven Trading Limited | Real estate | 2002 |
| Standedge Limited | Construction | 1971 |
| Standedge Solutions Ltd | Construction | 2024 |
| Standley Floors Ltd | Construction | 2025 |
| Standpoint Trading Ltd | Households | 2014 |
| Stanford Developments Limited | Construction | 2020 |
| Stanley Financial Holdings Limited | Professional & scientific | 2009 |
| Stanley Watts Greenwich Ltd | Other services | 2021 |
| Stannybrook Property Consultants Ltd | Administrative & support | 2015 |
| Stanton Motor Garage Ltd | Wholesale & retail | 2025 |
| Star Building Material & Supplier Ltd | Wholesale & retail | 2024 |
| Star Car Oldham Ltd | Transport & logistics | 2025 |
| Star Casting UK Ltd | Other services | 2009 |
| Star in a Car Ltd | Transport & logistics | 2005 |
| Star Plus Drain Cleaning Service Limited | Water & waste | 2023 |
| Star SKI Ltd. | Administrative & support | 2014 |
| Star Worldwide Trading Limited | Wholesale & retail | 2021 |
| Starecom Ltd | Wholesale & retail | 2025 |
| Starfish Day Nursery Ltd | Health & social care | 2003 |
| Starlight Care Group Limited | Administrative & support | 2026 |
| Starlucks Auto Ltd Ltd | Wholesale & retail | 2025 |
| Starmarket Convenience Limited | Transport & logistics | 2022 |
| Stars & Skies Ltd | Wholesale & retail | 2024 |
| Starsunara Ltd | Wholesale & retail | 2023 |
| Startup Flex Limited | Administrative & support | 2020 |
| Starwill Building Ltd | Real estate | 2001 |
| State Fayre Ltd | Manufacturing | 2017 |
| State of Flow Therapies Ltd | Health & social care | 2023 |
| Station House Apartments Ltd | Real estate | 2021 |
| Stationery Options Limited | Professional & scientific | 2004 |
| Statuta Limited | Information & communication | 2026 |
| Stay Focused Supplements Ltd | Wholesale & retail | 2017 |
| Stay in Character Limited | Wholesale & retail | 2017 |
| Stay Padel Ltd | Education | 2025 |
| Stay Safe Essentials Ltd | Wholesale & retail | 2020 |
| Staycationmcr Ltd | Hospitality | 2025 |
| Staycon Ltd | Information & communication | 2026 |
| Stazio Ltd | Real estate | 2025 |
| STE a W Joinery Ltd | Construction | 2017 |
| Steadfast Gardening Ltd | Arts & recreation | 2025 |
| Steady Care Ltd | Health & social care | 2025 |
| Stealth BJJ Brighouse Ltd | Education | 2026 |
| Stealth Vehicle Protection Systems Ltd | Wholesale & retail | 2023 |
| Stealth Vests Ltd | Wholesale & retail | 2025 |
| Steel City Skin Ltd | Other services | 2024 |
| Steel Solutions Lancashire Ltd | Manufacturing | 2023 |
| Stella Bulenda Limited | Health & social care | 2024 |
| Stella Woodward Limited | Health & social care | 2010 |
| Stellar Green Property Limited | Construction | 2024 |
| Stellar Marketplaces Ltd | Wholesale & retail | 2024 |
| Stellargoods Hub Limited | Wholesale & retail | 2023 |
| Stem-Astm Limited | Education | 2020 |
| Stepcart Ltd | Wholesale & retail | 2025 |
| Stephen Bell Leisure Limited | Wholesale & retail | 2017 |
| Stephen Bell Motors Limited | Wholesale & retail | 2002 |
| Stephen Owen Site Services Ltd | Professional & scientific | 2017 |
| Stephen Platt Artwork Ltd | Professional & scientific | 2018 |
| Stephen Rees Ltd | Health & social care | 2010 |
| Stepping Stones Childrens Homes Limited | Health & social care | 2016 |