| Sultans Marketing Solutions Ltd | Professional & scientific | 2025 |
| Sultanyz Driving School Ltd | Education | 2026 |
| Sultech Ltd | Information & communication | 2015 |
| Suman Shrestha Ltd | Wholesale & retail | 2026 |
| Sumjoy Investments Ltd | Financial services | 2020 |
| Summaya Ltd | Information & communication | 2022 |
| Summer Breeze Cornwall Limited | Hospitality | 2019 |
| Summer Group Ltd | Information & communication | 2021 |
| Summer Hill Resorts Ltd | Real estate | 2015 |
| Summerfield Projects Ltd | Real estate | 2022 |
| Summers in Time Dance Ltd | Arts & recreation | 2003 |
| Summers TGS Ltd | Agriculture & fishing | 2026 |
| Summerwood Lane Community Garden Limited | Education | 2013 |
| Summit Acupuncture UK Ltd | Extraterritorial | 2007 |
| Summit Developments (Midlands) Ltd | Construction | 2025 |
| Summit Flooring Limited | Construction | 2018 |
| Summit Hill Enterprises Limited | Real estate | 2024 |
| Summit Pickleball Ltd | Wholesale & retail | 2025 |
| Summit Programmes Ltd | Professional & scientific | 2024 |
| Summit Rocks Ltd | Education | 2014 |
| Sumu Ltd | Professional & scientific | 2018 |
| Sumuka Solutions and Services Limited | Professional & scientific | 2018 |
| Sumukha Limited | Real estate | 2025 |
| Sun and Moons Property Investments Ltd | Hospitality | 2025 |
| Sun JI Food Ltd | Hospitality | 2023 |
| Sun Working Day Ltd | Hospitality | 2021 |
| Sunaxis Investment Limited | Professional & scientific | 2011 |
| Sunaxis Limited | Professional & scientific | 2007 |
| Sunay Hyusmen Ltd | Transport & logistics | 2019 |
| Sunbeam Care Limited | Health & social care | 2024 |
| Sundas Property Limited | Real estate | 2024 |
| Sundeyz Lifestyle Ltd | Wholesale & retail | 2022 |
| Sundowner Distillery Ltd | Manufacturing | 2021 |
| Sundowner Victuals Ltd | Hospitality | 2021 |
| Suneetha Investments Limited | Real estate | 2012 |
| Sunergy Solar Installs Ltd | Construction | 2024 |
| Sunflower Children Care Services Ltd | Health & social care | 2024 |
| Sunflower Infinity Group Ltd | Hospitality | 2026 |
| Sunflower Rental Properties Limited | Hospitality | 2018 |
| Sunglasses-Direct Limited | Wholesale & retail | 2009 |
| Sungur 68 Limited | Hospitality | 2021 |
| Sunkissed Tanning East Midlands Limited | Other services | 2024 |
| Sunlab Technologies Ltd | Professional & scientific | 2019 |
| Sunlight Care Parkview Ltd | Health & social care | 2024 |
| Sunlightbe Ltd | Health & social care | 2019 |
| Sunnah Juice Ltd | Manufacturing | 2025 |
| Sunnilands Limited | Households | 2020 |
| Sunniva Group Limited | Professional & scientific | 2016 |
| Sunny 2018 Limited | Hospitality | 2018 |
| Sunny Builders Notts Ltd | Construction | 2024 |
| Sunny Dhain Limited | Health & social care | 2010 |
| Sunny Properties (Lincoln) Limited | Professional & scientific | 2003 |
| Sunny Sekhon Solutions Ltd | Financial services | 2013 |
| Sunnyade Systems Tech Ltd | Information & communication | 2025 |
| Sunnyadi Digital Ltd | Information & communication | 2025 |
| Sunnybless Ventures Ltd | Real estate | 2025 |
| Sunnydale Homes (Mansfield) Limited | Real estate | 2021 |
| Sunnyj’S DIY Limited | Administrative & support | 2025 |
| Sunnyridge Limited | Real estate | 2017 |
| Sunnyside Takeaway Ltd | Hospitality | 2026 |
| Sunnyside View B&B Ltd | Hospitality | 2011 |
| Sunray Cleaning Services Ltd | Administrative & support | 2026 |
| Sunrise Education Development Service Ltd | Education | 2011 |
| Sunrise Homes Services Ltd | Health & social care | 2016 |
| Sunrise Mortgages & Protection Ltd | Financial services | 2026 |
| Sunrise Nurseries Ltd | Education | 2012 |
| Sunroeal Private Limited | Hospitality | 2024 |
| Sunrun Limited | Real estate | 2022 |
| Sunset and Vine Ltd | Real estate | 2025 |
| Sunset Cinema Club Ltd | Wholesale & retail | 2016 |
| Sunshare Community Nottingham PLC | Construction | 2012 |
| Sunshine Buildings Limited | Real estate | 2024 |
| Sunshine Close Management Company Limited | Households | 2021 |
| Sunshine Dental Limited | Health & social care | 2009 |
| Sunshine Electrical Services Ltd | Construction | 2006 |
| Sunshine Practice Limited | Health & social care | 2024 |
| Sunshine Private Care Limited | Health & social care | 2017 |
| Sunshine Surprises UK Ltd | Wholesale & retail | 2022 |
| Sunshine Tanning & Beauty Studio Limited | Other services | 2005 |
| Sunshine Vibes Limited | Hospitality | 2026 |
| Sunshine-Energy Limited | Construction | 2015 |
| Sunspel (Services) Limited | Administrative & support | 1984 |
| Sunspel Limited | Manufacturing | 1983 |
| Sunspel-Boxer Limited | Manufacturing | 1983 |
| Sunwell Technology UK Limited | Wholesale & retail | 2026 |
| Suparoofs Limited | Manufacturing | 2020 |
| Super 8 Squared Ltd | Arts & recreation | 2020 |
| Super Cranked Ltd. | Information & communication | 2024 |
| Super Discount Store Supermarket Limited | Wholesale & retail | 2018 |
| Super Grill Notts Ltd | Hospitality | 2025 |
| Super Hooves Ltd | Agriculture & fishing | 2020 |
| Super Nova Cart Store Limited | Wholesale & retail | 2025 |
| Super Science Tuition Limited | Education | 2025 |
| Super Store OFF Licence Ltd | Wholesale & retail | 2024 |
| Super Tress Hair Extensions Ltd | Other services | 2020 |
| Super Wash Awsworth Ltd | Wholesale & retail | 2019 |
| Super Whizz Ltd | Construction | 2025 |
| Superalloy Engineering Limited | Professional & scientific | 2011 |
| Superb Fresh Supplies Ltd | Other services | 2021 |
| Superbike Marketing Limited | Information & communication | 2020 |