| Rstk Ltd | Real estate | 2022 |
| Rtek Group Ltd | Administrative & support | 2017 |
| Ruak Properties Limited | Real estate | 2020 |
| Ruby Pandher Ltd | Transport & logistics | 2024 |
| Ruby Sales Limited | Wholesale & retail | 2017 |
| Rubylax Ltd | Wholesale & retail | 2018 |
| Rudhr Ltd | Wholesale & retail | 2023 |
| Ruling Passions Limited | Wholesale & retail | 2017 |
| Rumja Properties Ltd | Real estate | 2024 |
| Runecroft Limited | Financial services | 2026 |
| Running Wheels Sporting Limited | Wholesale & retail | 2012 |
| Rupinder Logistics Ltd | Transport & logistics | 2026 |
| Ruvoo Ltd | Wholesale & retail | 2025 |
| RV Sweets and Savouries Ltd | Manufacturing | 2025 |
| RVP Energy Assessments Ltd | Professional & scientific | 2009 |
| Rvsc Ltd | Construction | 2026 |
| RWS Enterprise Limited | Wholesale & retail | 2006 |
| Ryan Coffee Ltd | Hospitality | 2024 |
| Ryan Heating and Building Services Ltd | Construction | 2020 |
| Ryana and Brothers Ltd | Real estate | 2024 |
| S & M Bespoke Solutions Ltd | Construction | 2018 |
| S and K Takeaway Ltd | Hospitality | 2024 |
| S Bains Property Investment Ltd | Real estate | 2026 |
| S Gill Investments Ltd | Real estate | 2020 |
| S JAE Welfare Ltd | Health & social care | 2024 |
| S K a Investment & Services Limited | Real estate | 2023 |
| S K a Limited | Real estate | 2016 |
| S K Build London Ltd | Construction | 2026 |
| S K K Properties Limited | Real estate | 2012 |
| S Kaul Consulting Ltd | Professional & scientific | 2025 |
| S KAY Real Estates Ltd | Real estate | 2023 |
| S R Hair and Beauty Limited | Other services | 2025 |
| S R Home Builders Ltd | Manufacturing | 2025 |
| S Ramsey Ltd | Real estate | 2024 |
| S S Bajwa Construction Ltd | Construction | 2025 |
| S S Real Estate Limited | Real estate | 2018 |
| S S Virdi Construction Ltd | Construction | 2025 |
| S Saberwal Ltd | Construction | 2025 |
| S Singh Construction Ltd | Construction | 2017 |
| S Z Shoes Limited | Wholesale & retail | 2022 |
| S&A Direct Ltd | Wholesale & retail | 2020 |
| S&A Speedy Cleaning Ltd | Administrative & support | 2025 |
| S&A Ventures Limited | Other services | 2016 |
| S&B London Ltd | Hospitality | 2020 |
| S&F Auto Rental Ltd | Administrative & support | 2026 |
| S&J Marquees and Events Ltd | Other services | 2019 |
| S&M Vibe Ltd | Wholesale & retail | 2024 |
| S&N Investment (Swindon) Limited | Real estate | 2023 |
| S&S UK Realty Ltd | Real estate | 2024 |
| S. Shah Construction Ltd | Construction | 2019 |
| S.A Building Construction Ltd | Construction | 2019 |
| S.B-Man & Company Limited | | 2008 |
| S.Jeet Transport Ltd | Manufacturing | 2025 |
| S.L. Exotic Foods Limited | Wholesale & retail | 2001 |
| S.P Carpets Southall Ltd | Other services | 2024 |
| SA (UK) Limited | Wholesale & retail | 2003 |
| SA Construction & Properties Ltd | Construction | 2019 |
| SA Fabrics Ltd | Wholesale & retail | 2025 |
| SA Food Supplies Ltd | Wholesale & retail | 2022 |
| SA Food Supply Ltd | Administrative & support | 2021 |
| SA Suites Ltd | Construction | 2023 |
| SA2 Global Ltd | Professional & scientific | 2019 |
| Saad Studio Limited | Wholesale & retail | 2024 |
| Saanvi Limited | Wholesale & retail | 2015 |
| Saawan International Limited | Information & communication | 2018 |
| SAB Tera Property Ltd | Real estate | 2025 |
| SAB Tera Waheguru Ltd | Hospitality | 2025 |
| Sabarai Online Limited | Wholesale & retail | 2022 |
| Sabeeh Holdings Limited | Professional & scientific | 2011 |
| Saberwal Ltd | Transport & logistics | 2025 |
| Sabi Traders Ltd | Wholesale & retail | 2025 |
| Sabinadesserts Ltd | Hospitality | 2026 |
| Saboros Delight Ltd | Hospitality | 2025 |
| Sabr Group Ltd | Wholesale & retail | 2024 |
| Sabs AB Services Ltd | Professional & scientific | 2021 |
| Sabs Asset Investment Ltd | Real estate | 2025 |
| Sabziwala Group Ltd | Wholesale & retail | 2023 |
| Sach Property Ltd | Real estate | 2024 |
| Sachdev Ltd | Wholesale & retail | 2023 |
| Sachdeva Investment Ltd | Real estate | 2025 |
| Sachin Kumar Ltd | Construction | 2025 |
| Sacred Lotus Healing and Wellness Ltd | Public administration | 2023 |
| Sadat Supermarket Ltd | Wholesale & retail | 2026 |
| Sadera Consultancy Ltd | Professional & scientific | 2013 |
| Sadera Holdings Ltd | Real estate | 2024 |
| Sadguru Accessories Ltd | Wholesale & retail | 2019 |
| Saeed Jewellers Limited | Wholesale & retail | 2020 |
| SAF Property Ltd | Real estate | 2018 |
| Safe GAS & Electrics Limited | Construction | 2013 |
| Safe Hands Engineering Services Ltd | Manufacturing | 2025 |
| Safe SET Traffic Management Ltd | Administrative & support | 2025 |
| Safe&Tidy Ltd | Administrative & support | 2025 |
| Safehold Pest Control Ltd | Administrative & support | 2025 |
| Safepath Accommodation Services Limited | Hospitality | 2025 |
| Safequarter South Limited | Health & social care | 2015 |
| Saff United Limited | Real estate | 2012 |
| Saffron Royale Limited | Hospitality | 2025 |
| Saffron Shawls Limited | Wholesale & retail | 2026 |
| Saffron Shield Ltd | Real estate | 2010 |
| Safi Enterprising Limited | Administrative & support | 2023 |