| Rodamb Cars Ltd | Wholesale & retail | 2024 |
| Romola Media Limited | Professional & scientific | 2021 |
| Ronnie's Tackle Ltd | Wholesale & retail | 2025 |
| Rope Services Direct Limited | Manufacturing | 2006 |
| Rope Services Limited | Manufacturing | 2006 |
| ROS Howard Psychology Limited | Health & social care | 2012 |
| Rosel Ltd | Education | 2026 |
| Rosemount Property Services Limited | Real estate | 2000 |
| Roseville Cafe Ltd | Hospitality | 2024 |
| Rossington Investments Limited | Real estate | 2020 |
| Rotan HR Services Limited | Administrative & support | 2018 |
| Round Carpentry Limited | Construction | 1998 |
| Round Oak Interiors Limited | Wholesale & retail | 2013 |
| Round Oak Property Ltd | Real estate | 2019 |
| Route 12 Collectibles Limited | Wholesale & retail | 2024 |
| Rowan Precision Limited | Manufacturing | 1984 |
| Rowley Trading Ltd | Wholesale & retail | 2024 |
| Roxborough House (Residential Investments) Limited | Real estate | 2012 |
| RPP Geoservices Ltd | Professional & scientific | 2022 |
| RRR Traders Limited | Wholesale & retail | 2025 |
| RS Alloys Limited | Wholesale & retail | 2015 |
| RS Imperial Homes Ltd | Real estate | 2020 |
| RS Miller Solar Solutions Ltd | Construction | 2024 |
| RSA Developments Limited | Construction | 2020 |
| RSA Properties Ltd | Real estate | 2021 |
| RSC Installations Ltd | Construction | 2025 |
| Rsmco Limited | Manufacturing | 2009 |
| RTR & LR Limited | Professional & scientific | 2017 |
| Rubery Owen Holdings Limited | Real estate | 1920 |
| Rude Attire Ltd | Wholesale & retail | 2024 |
| Rudmutluv Ltd | Administrative & support | 2019 |
| Rushall Properties Ltd | Real estate | 2018 |
| Russons Rentals Ltd | Real estate | 2024 |
| RV Systems Limited | Manufacturing | 1998 |
| RW Customz Ltd | Wholesale & retail | 2025 |
| RWM Properties & Building Ltd | Construction | 2025 |
| RWS Darts Limited | Arts & recreation | 2021 |
| Ryan Construction Limited | Construction | 1991 |
| Ryan Inspection Services Limited | Professional & scientific | 2005 |
| Ryan Meikle Darts Limited | Arts & recreation | 2026 |
| S & D Sports Promotions Limited | Arts & recreation | 2020 |
| S & S Services Cradley Limited | Wholesale & retail | 2018 |
| S & T MAC Services Ltd | Construction | 2012 |
| S B Property Developments Limited | Construction | 2004 |
| S G Psychotherapy & Counselling Limited | Health & social care | 2014 |
| S Halsall Properties Ltd | Real estate | 2024 |
| S J Myles Limited | Construction | 2012 |
| S J Walker Limited | Information & communication | 2022 |
| S N S Installations Ltd | Administrative & support | 2013 |
| S P Phoenix Limited | Real estate | 2020 |
| S S Z Transport Ltd | Transport & logistics | 2026 |
| S Smith Landscapes & Driveways Limited | Administrative & support | 2020 |
| S. W. Turner Process & Mechanical Pipework Installation Specialists Ltd | Administrative & support | 1999 |
| S.D. Metals International Ltd | Wholesale & retail | 2003 |
| S.L.M.C. Limited | Wholesale & retail | 2010 |
| S.N Tyres & Autocare Ltd | Wholesale & retail | 2022 |
| S.P.P. Plumbing and Heating Limited | Construction | 2002 |
| S.W. Sheppard (Commercials) & Co. Limited | Wholesale & retail | 1980 |
| S17 Electrical Limited | Construction | 2014 |
| S1NCLAIR Interiors Ltd | Construction | 2023 |
| SA Civil Construction Ltd | Construction | 2026 |
| Sabs Holdings Limited | Real estate | 2026 |
| Safelinx Limited | Wholesale & retail | 2016 |
| Safeminds Workplace Training Limited | Education | 2025 |
| Saib Trading Limited | Hospitality | 2025 |
| Saint Valentia Ltd | Manufacturing | 2024 |
| Salomendes Ltd | Transport & logistics | 2017 |
| Salt and Jones Environment Consultants Limited | Professional & scientific | 2011 |
| SAM Gallo Psychological Consultancy Limited | Health & social care | 2022 |
| Sand Dollar Investments | Extraterritorial | 2022 |
| Sandbanks Beachside Lettings Ltd | Real estate | 2021 |
| Sandunn Projects Limited | Construction | 1998 |
| Sandwell Roofing Contracting Limited | Extraterritorial | 2017 |
| Sandyfield Properties Limited | Real estate | 2024 |
| Sangar Financial Solutions Limited | Financial services | 2024 |
| Sarah Raven Price Dog Behaviourist and Pet Services Ltd | Other services | 2016 |
| Sarasi Ltd | Wholesale & retail | 2025 |
| Sarhan Haji Ltd | Other services | 2020 |
| Saroya Stationers Ltd | Wholesale & retail | 2026 |
| Sarum Design Limited | Extraterritorial | 2012 |
| Sav&S Contracts Limited | Construction | 2019 |
| SB1021 Properties Limited | Real estate | 2025 |
| SC10 Promotions Limited | Arts & recreation | 2024 |
| Science and Maths Plus Ltd | Education | 2025 |
| Scott Automation Limited | Information & communication | 2014 |
| Scott Pipework Limited | Construction | 2012 |
| Scrap Trade UK Limited | Wholesale & retail | 2025 |
| Scrivens Foods Limited | Wholesale & retail | 2014 |
| SD Performance Psychology Ltd | Education | 2023 |
| SD Properties (London) Limited | Real estate | 2026 |
| Sea Tookmeetoo the Cleaners Limited | Other services | 2023 |
| Secure a Drive Limited | Manufacturing | 2021 |
| Seedel Investments Limited | Real estate | 2025 |
| Seisdon Psychology Ltd | Health & social care | 2024 |
| Select Driveways and Patios Limited | Construction | 2011 |
| Self Pour Solutions Ltd | Administrative & support | 2021 |
| Selina-Jayne Designs Limited | Wholesale & retail | 2018 |
| Senn Nails Limited | Other services | 2017 |
| Senstarz CIC | Education | 2023 |
| Sensun Limited | Real estate | 2025 |