| Starmount Villa Residential Care Limited | Health & social care | 2001 |
| Starr Retail Limited | Other services | 2020 |
| Stars and Stitches CIC | Education | 2021 |
| Stars House Ltd | Construction | 2023 |
| Start JG Limited | Professional & scientific | 2011 |
| Start Judgegill Limited | Professional & scientific | 1995 |
| Start Move Limited | Real estate | 2015 |
| START2DRIVE Ltd | Education | 2023 |
| START2LEAN Ltd | Professional & scientific | 2016 |
| Startsurge Ltd | Transport & logistics | 2019 |
| Starttech World Ltd | Wholesale & retail | 2020 |
| State of Mind Candles Ltd | Manufacturing | 2020 |
| Stateside Foods Limited | Manufacturing | 1989 |
| Statesman Business Park Limited | Professional & scientific | 1991 |
| Station RD Chapeltown Management Co Limited | Real estate | 2007 |
| Stationary Shop Ltd Limited | Professional & scientific | 2020 |
| Statuo Ltd | Professional & scientific | 2015 |
| Statyq Therapy Ltd | Health & social care | 2019 |
| Staverton House Management Company Limited | Households | 2022 |
| Stavin Limited | Financial services | 2019 |
| Stax Converting Limited | Manufacturing | 2008 |
| Stax Packaging Limited | Wholesale & retail | 2012 |
| Stay and Learn Childcare Ltd | Health & social care | 2024 |
| Stay Awhile Escapes Ltd | Hospitality | 2024 |
| Stay Locked Ltd | Wholesale & retail | 2023 |
| Stay Novell Limited | Real estate | 2026 |
| Stayswift Properties Ltd | Wholesale & retail | 2025 |
| Staywembley Limited | Health & social care | 2024 |
| STC Safety Training Ltd | Administrative & support | 2025 |
| STE Walmsley Building Services Limited | Construction | 2022 |
| Stead Care Group Ltd | Administrative & support | 2019 |
| Stead Care Limited | Health & social care | 2017 |
| Steadfast Support Ltd | Administrative & support | 2023 |
| Steady Rock Limited | Real estate | 2021 |
| Steadystream Ltd | Professional & scientific | 2026 |
| Steak Fuel Ltd | Hospitality | 2026 |
| Steak-Brothers Limited | Hospitality | 2025 |
| Steak-Out Street Ltd | Hospitality | 2026 |
| Steakhouse (Bolton) Ltd | Hospitality | 2026 |
| Steakhouse Grill Ltd | Hospitality | 2023 |
| Stealth Amusements Limited | Arts & recreation | 2023 |
| Stealth Cameras UK Ltd | Other services | 2022 |
| Steam Cleaners Limited | Manufacturing | 2007 |
| Steamy Windows (Bolton) Ltd | Construction | 2003 |
| Steel Dynamics Holdings Limited | Financial services | 2025 |
| Steel OR Brick Property Ltd | Real estate | 2024 |
| Steele Modus Limited | Professional & scientific | 2025 |
| Steelsa Retail Ltd | Wholesale & retail | 2025 |
| Steelwerkz Ltd | Construction | 2025 |
| Steers-Higham Properties Ltd | Real estate | 2025 |
| Stelers Limited | Professional & scientific | 2010 |
| Stellar Comm Ltd | Information & communication | 2025 |
| Stellar Estate Limited | Real estate | 2025 |
| Stellar Hearts Ltd | Health & social care | 2023 |
| Stellar Motor Company (Bolton) Limited | Wholesale & retail | 2018 |
| Stellarcore Dynamics Ltd | Wholesale & retail | 2025 |
| Stelle Properties Limited | Real estate | 2016 |
| Step Towards Professionalism in Trade and Investment Ltd | Construction | 2025 |
| STEP4HOME Ltd | Extraterritorial | 2018 |
| Stephanie Melville Ltd | Hospitality | 2021 |
| Stephen Back Solutions Limited | Administrative & support | 2019 |
| Stephen Copley Services Limited | Transport & logistics | 2016 |
| Stephen Freeman Consulting Limited | Professional & scientific | 2025 |
| Stephen Hough Ltd | Other services | 2018 |
| Stephen James Aviation Services Limited | Manufacturing | 2018 |
| Stephen Johnson Limited | Professional & scientific | 2019 |
| Stephen M Parry Consulting Limited | Professional & scientific | 2007 |
| Stephen Shaw Joinery Services Ltd | Construction | 2006 |
| Stephen Wailes Services Limited | Transport & logistics | 2017 |
| Stephen Wilson Electrical Ltd | Construction | 2017 |
| Steph’S Pawfect Pets Ltd | Other services | 2019 |
| Stepping Stone Cottages Ltd | Real estate | 2020 |
| Stepping Stones Day Nursery (Bolton) Ltd | Real estate | 2003 |
| Steps to Rational Living Limited | Health & social care | 2014 |
| Sterling & Slate Ltd | Professional & scientific | 2025 |
| Sterling Business Solutions & Fintech Partners Ltd | Information & communication | 2025 |
| Sterling Hands Ltd | Health & social care | 2021 |
| Sterling Northern Limited | Manufacturing | 1996 |
| Sterling Northern Solutions Limited | Information & communication | 2023 |
| Sterlingwhite Services Ltd | Administrative & support | 2026 |
| Sterra Aesthetics and Skincare Ltd | Administrative & support | 2025 |
| Steve Charlesworth Limited | Professional & scientific | 2003 |
| Steve Elwood Transport Consultancy Ltd | Professional & scientific | 2022 |
| Steve Emmison Builders Limited | Construction | 2025 |
| Steve Fairclough Audio Media Ltd | Information & communication | 2014 |
| Steve Holloway Ltd | Information & communication | 2020 |
| Steve Shaw Education Consultancy Limited | Professional & scientific | 2024 |
| Steve Shorter Ltd | Information & communication | 2016 |
| Steve Walker (Bolton) Limited | Construction | 2005 |
| Steven Bailey Ltd | Professional & scientific | 2025 |
| Steven Bond Consultancy Ltd | Administrative & support | 2019 |
| Stevenson Estates Ventures Limited | Construction | 2023 |
| Stewart Montrose (Manchester) Limited | Professional & scientific | 2014 |
| Stewart Montrose Limited | Professional & scientific | 2001 |
| Stgr Abnomal Loads Limited | Transport & logistics | 2025 |
| Stibium 51 Ltd | Administrative & support | 2025 |
| Stics Limited | Information & communication | 2012 |
| Stirling Furniture Design Limited | Wholesale & retail | 2025 |
| Stirling Management Actors Agency Ltd | Arts & recreation | 2009 |
| Stitch Effect (UK) Limited | Manufacturing | 2014 |