| RRP Holdings Limited | Real estate | 2025 |
| Rrsc Holdings Limited | Information & communication | 2025 |
| RS Associates (Commercial Management) Limited | Professional & scientific | 2014 |
| RS Athwal Medical Ltd | Financial services | 2025 |
| RS Omore Pizza Ltd | Hospitality | 2023 |
| RSA Residential Limited | Real estate | 2025 |
| RSC Prestige Ltd | Wholesale & retail | 2023 |
| RSJ Goulds Limited | Real estate | 2024 |
| RSM Procurement Ltd | Construction | 2025 |
| RSN Healthcare Group Ltd | Health & social care | 2023 |
| RST Property Services Ltd | Construction | 2024 |
| RTS Sales Limited | Wholesale & retail | 2010 |
| Rubix Properties Ltd | Real estate | 2013 |
| Ruck and Maul Properties Ltd | Professional & scientific | 2022 |
| Rugby Football Club Limited | Arts & recreation | 2022 |
| Rugby Lettings Centre Limited | Real estate | 2008 |
| Rugby Stove Installations Limited | Construction | 2018 |
| Rugenie Ltd | Professional & scientific | 2019 |
| Rundale Consulting Limited | Professional & scientific | 2025 |
| Runo&Co Limited | Wholesale & retail | 2026 |
| Rupert.Digital Limited | Information & communication | 2025 |
| Rural Tech Solutions Ltd | Professional & scientific | 2025 |
| Rustic FUN Limited | Energy | 2014 |
| Rusty Bar Limited | Hospitality | 2025 |
| Rutherford & Stanton Limited | Agriculture & fishing | 2018 |
| Rylee Properties Limited | Real estate | 2024 |
| Ryton Car Specialist Ltd | Wholesale & retail | 2021 |
| S & B Services Limited | Construction | 1996 |
| S & J Electrical Installations Ltd | Construction | 2010 |
| S & J Enterprises Ltd | Wholesale & retail | 2013 |
| S & P Kineton Ltd | Wholesale & retail | 2011 |
| S & P Properties (Warwickshire) Limited | Real estate | 2017 |
| S & R Facilities Management Limited | Administrative & support | 2003 |
| S & R Holdings Limited | Professional & scientific | 2009 |
| S C Allen Building & Maintenance Contractors Limited | Construction | 2011 |
| S D Simons Limited | Professional & scientific | 2016 |
| S G Plumbing & Heating Limited | Professional & scientific | 2011 |
| S Grudgings Limited | Manufacturing | 2012 |
| S Hughes Consultancy Ltd | Professional & scientific | 2025 |
| S J Equestrian Ltd | Agriculture & fishing | 2025 |
| S J Showjumping Ltd | Arts & recreation | 2021 |
| S Massey Construction Services Limited | Construction | 2017 |
| S Quinlan Roofing Ltd | Construction | 2026 |
| S Tank Medical Ltd | Health & social care | 2022 |
| S Tank Properties Limited | Real estate | 2015 |
| S W Gaunt & Co Limited | Professional & scientific | 2020 |
| S&D Window Cleaning Limited | Administrative & support | 2023 |
| S&E Commercial Limited | Real estate | 2026 |
| S&H Healthcare Ltd | Health & social care | 2025 |
| S&J Food Consultants Ltd | Professional & scientific | 2023 |
| S&K Roofing Contractors Ltd | Construction | 2026 |
| S&N Fast Food Ltd | Hospitality | 2025 |
| S&N Real Estate Ltd | Real estate | 2021 |
| S&P DEO Development Ltd | Construction | 2021 |
| S.Craig Electrical Limited | Construction | 2018 |
| S.J.R Ceilings & Partitions Limited | Construction | 2017 |
| S.K.T.A UK Ltd | Wholesale & retail | 2026 |
| S.K.W. Electrical & Plumbing Ltd | Professional & scientific | 2022 |
| S2 Entertainment Limited | Information & communication | 2014 |
| SA & AK Limited | Real estate | 2025 |
| SA Research Limited | Administrative & support | 2014 |
| Saal Design Ltd | Professional & scientific | 2016 |
| Saas Success Ltd | Information & communication | 2020 |
| Sabgenta Property Management Ltd | Real estate | 2024 |
| Sabie Services Ltd | Transport & logistics | 2020 |
| Sadhya Ltd | Hospitality | 2020 |
| Safe One Limited | Professional & scientific | 1998 |
| Sagan Sandhu Limited | Real estate | 2024 |
| Sagooligans Ltd | Administrative & support | 2025 |
| SAH Management Limited | Professional & scientific | 2022 |
| Sahai Ltd | Real estate | 2024 |
| Sahil Tech Limited | Administrative & support | 2016 |
| Sahin Events Ltd | Administrative & support | 2019 |
| Sahota Capital Investments Limited | Construction | 2025 |
| SAI Sadan Estates Limited | Real estate | 2023 |
| Saint Media Consultancy Limited | Professional & scientific | 2025 |
| Sakarya Kebab House Limited | Hospitality | 2024 |
| Salam Properties Ltd | Real estate | 2017 |
| Salar Services Limited | Other services | 2025 |
| Saldo Ltd | Health & social care | 2021 |
| Salh Ltd | Other services | 2019 |
| Salisbury Advisory Services Ltd | Professional & scientific | 2021 |
| Salmon Fisher Limited | Professional & scientific | 2023 |
| Salos Property Ltd | Real estate | 2021 |
| Salt & Vinegar WO Ltd | Hospitality | 2020 |
| Saltmalawi | Other services | 2009 |
| Salty Explorers Ltd | Arts & recreation | 2025 |
| Salvo Design & Print Limited | Manufacturing | 1971 |
| SAM Allen Associates Holdings Ltd | Financial services | 2022 |
| SAM Allen Associates Limited | Administrative & support | 2020 |
| Samara Code Limited | Information & communication | 2021 |
| Samara Estates Limited | Real estate | 2023 |
| Sambrook Chiropractic Ltd | Health & social care | 2024 |
| Samreet Ltd | Hospitality | 2026 |
| Samsa Technical Solutions Limited | Professional & scientific | 2026 |
| Sandford Parker Holding Limited | Financial services | 2023 |
| Sandhu Properties Limited | Real estate | 2002 |
| Sandor Foods Limited | Wholesale & retail | 2011 |
| Sane Foods Limited | Hospitality | 2009 |
| Sane Ventures Limited | Information & communication | 2017 |