| Study Inn (Triumph Road) Limited | Hospitality | 2021 |
| Study Inn (Welford Road) Limited | Hospitality | 2020 |
| Study Inn Estates Limited | Real estate | 2019 |
| Study Inn Group Developments Limited | Real estate | 2016 |
| Study Inn Investments (Blechynden Terrace) Ltd | Real estate | 2025 |
| Study Inn Investments (Copperas Hill) Limited | Hospitality | 2016 |
| Study Inn Investments (Frederick Road) Limited | Hospitality | 2021 |
| Study Inn Investments (Grace ST) Limited | Construction | 2019 |
| Study Inn Investments (James Street) Limited | Real estate | 2020 |
| Study Inn Investments (Lemyngton ST) Limited | Hospitality | 2016 |
| Study Inn Investments (Marlborough ST) Limited | Real estate | 2016 |
| Study Inn Investments (ST Nicholas ST) Limited | Construction | 2007 |
| Study Inn Investments (ST. David's Hill) Limited | Real estate | 2020 |
| Study Inn Investments (Talbot ST) Limited | Real estate | 2015 |
| Study Inn Investments (the Polygon 1) Ltd | Construction | 2024 |
| Study Inn Investments (the Polygon 3) Ltd | Construction | 2024 |
| Study Inn Investments (Triumph Road) Limited | Real estate | 2021 |
| Study Inn Investments (Welford RD) Limited | Real estate | 2015 |
| Study Inn Investments Ltd | Professional & scientific | 2013 |
| Study Inn Limited | Professional & scientific | 2012 |
| Studybudi Ltd | Education | 2023 |
| Studyspace Ltd | Education | 2019 |
| Stumps Cricket Ltd | Arts & recreation | 2024 |
| Stunts Netball Ltd | Arts & recreation | 2024 |
| Sturdy Aggregates Midlands Limited | Water & waste | 2024 |
| Sturdy Aggregates North Limited | Water & waste | 2024 |
| Sturdy Aggregates South Limited | Water & waste | 2024 |
| Sturdy Construction Midlands Limited | Construction | 2024 |
| Sturtivant Properties Limited | Real estate | 2017 |
| Sturtivant Property Ventures Limited | Real estate | 2018 |
| Sturtivant Residential Properties Limited | Real estate | 2018 |
| Sturton General Stores Limited | Wholesale & retail | 2002 |
| Stuti Studios PVT Ltd | Manufacturing | 2021 |
| STV Logistics Ltd | Transport & logistics | 2023 |
| STV Projects Ltd | Real estate | 2025 |
| STV Properties Ltd | Real estate | 2025 |
| Stygate Farms Limited | Agriculture & fishing | 1983 |
| Style My Outfit Limited | Other services | 2012 |
| Stylecrown Limited | Manufacturing | 2008 |
| Styliize Ltd | Manufacturing | 2022 |
| Stylish Barbers Arnold Ltd | Other services | 2025 |
| Stylish Beauty Arnold Ltd | Other services | 2025 |
| Stylish Homes (Notts) Limited | Wholesale & retail | 2016 |
| Stylo Creative Limited | Other services | 2026 |
| Suarez Medical Ltd | Health & social care | 2024 |
| Suavee Apparel Ltd | Wholesale & retail | 2019 |
| SUB Zero Couture Ltd | Manufacturing | 2026 |
| Subakini Ltd | Wholesale & retail | 2021 |
| Subarashi Training Ltd | Professional & scientific | 2021 |
| Subcon Group Limited | Manufacturing | 2024 |
| Subcon Heat Treatments Limited | Manufacturing | 2025 |
| Subcon Holdings Ltd | Financial services | 2024 |
| Subcon Precision Engineering Limited | Professional & scientific | 2025 |
| Subguards Ltd | Wholesale & retail | 2015 |
| Subha Arunachalam Enterprises Limited | Health & social care | 2024 |
| Sublime Digital Printing Solutions Ltd | Manufacturing | 2026 |
| Sublime Distributors Limited | Wholesale & retail | 2010 |
| Subsea Controls Ltd | Professional & scientific | 2022 |
| Substantials Sandwich Bars Ltd | Wholesale & retail | 2010 |
| Subtle Elegance Ltd | Wholesale & retail | 2026 |
| Succeed Sustainability Consultancy Limited | Real estate | 2016 |
| Success Developments Ltd | Construction | 2025 |
| Success Home Care Services Ltd | Public administration | 2024 |
| Successful Learning Ltd | Education | 2011 |
| Successful Schools Limited | Education | 2018 |
| Such Sweet Thunder Ltd | Arts & recreation | 2010 |
| Suco Ltd | Administrative & support | 2024 |
| Sucrono Ltd | Manufacturing | 2022 |
| Sudell Services Limited | Construction | 2018 |
| SUE Evershed Limited | Health & social care | 2016 |
| Sue's Storage Ltd | Transport & logistics | 2023 |
| Sueño Events Ltd | Arts & recreation | 2022 |
| Suffa Education Centre | Other services | 2018 |
| Sufi Autos Ltd | Wholesale & retail | 2023 |
| Sufi Travels and Convenience Store Ltd | Wholesale & retail | 2019 |
| Sufimaira Ltd | Wholesale & retail | 2025 |
| Sugar Mill BVI Limited | Information & communication | 2016 |
| Sugar Plum Accessories Limited | Wholesale & retail | 1998 |
| Sugar Rush Supplies Limited | Wholesale & retail | 2025 |
| Sugar Stealers CIC | Arts & recreation | 2019 |
| Sugarcubes Media Ltd | Wholesale & retail | 2023 |
| Suggo Trading Company Limited | Wholesale & retail | 2025 |
| Sugna Ltd | Professional & scientific | 2021 |
| Suhan Dinner Limited | Hospitality | 2021 |
| Suis Enterprise Limited | Construction | 2017 |
| Suite Homes Ltd | Real estate | 2022 |
| Sukhleen Constructions Ltd | Construction | 2025 |
| SUL Consulting Ltd | Information & communication | 2013 |
| Sula Enterprises Limited | Real estate | 2026 |
| Sule Developments Limited | Construction | 2009 |
| Suleman Ahmad Ltd | Wholesale & retail | 2025 |
| Suleraro Limited | Professional & scientific | 2013 |
| Sullivan Family Holdings Ltd | Wholesale & retail | 2026 |
| Sullivans Coffee Lounge Ltd | Arts & recreation | 2023 |
| Sulochana Overseas Education Consulting Ltd | Education | 2026 |
| Sultan Fruit and VEG Ltd | Wholesale & retail | 2015 |
| Sultan Iftikhar Ltd | Wholesale & retail | 2026 |
| Sultan Super Store Ltd | Wholesale & retail | 2026 |
| Sultan Supermarket Ltd | Wholesale & retail | 2025 |
| Sultan Supermarket Notts Ltd | Wholesale & retail | 2025 |