| Robert Starnes Architects Ltd | Professional & scientific | 2017 |
| Roberts Country Vehicles (Nationwide) Limited | Wholesale & retail | 2006 |
| Robusta Ltd | Wholesale & retail | 2023 |
| Rock One Commercial Ltd | Real estate | 2024 |
| Rock One Estates Ltd | Real estate | 2024 |
| Rock One Group Holdings Ltd | Financial services | 2025 |
| Rock One Properties Ltd | Real estate | 2019 |
| Rock One Rooms Ltd | Hospitality | 2019 |
| Rock UK Holdings Ltd | Real estate | 2026 |
| Rockall Solutions Ltd | Professional & scientific | 2025 |
| Rockview Healthcare Solutions Ltd | Health & social care | 2018 |
| Rockways Limited | Manufacturing | 2009 |
| Rodago Investment Limited | Administrative & support | 2016 |
| Rogue Press Limited | Information & communication | 2015 |
| Rolling Rims Limited | Wholesale & retail | 2011 |
| Romano Hubbard Investments Limited | Real estate | 2025 |
| Roots & Sprouts Ltd | Agriculture & fishing | 2021 |
| Rosewood Business Park (Witham) Limited | Real estate | 2008 |
| Routebuy Limited | Real estate | 1996 |
| Rowantree Real Estate Ltd | Real estate | 2023 |
| Rowe Commercial Property Ltd | Construction | 2023 |
| Roxwell Investments Limited | Administrative & support | 2014 |
| RPB Phoenix Consultants Ltd | Professional & scientific | 2022 |
| Rpms Holdings Ltd | Real estate | 2025 |
| RSP Security Limited | Administrative & support | 2025 |
| RTH Staircases Ltd | Manufacturing | 1999 |
| Rthco Ltd | Professional & scientific | 2021 |
| Rubber Keys Ltd | Information & communication | 2005 |
| RUH Technologies Ltd | Information & communication | 2025 |
| Rujeet Solutions Ltd | Wholesale & retail | 2025 |
| Runsev Creative Ltd | Wholesale & retail | 2024 |
| Runwell Retail Group Ltd | Wholesale & retail | 2024 |
| RVE Solutions Ltd | Manufacturing | 2024 |
| RWC Education Ltd | Education | 2024 |
| S & U Property Limited | Real estate | 2020 |
| S Clark & SON Limited | Wholesale & retail | 2013 |
| S D Blake Developments Limited | Construction | 2015 |
| S E B Properties Limited | Real estate | 1997 |
| S E Landscapes Ltd | Other services | 2020 |
| S J F Corporation Ltd | Manufacturing | 2011 |
| S Legacy Holdings Limited | Real estate | 2025 |
| S T Kitchens & Installations Limited | Construction | 2016 |
| S Wyatt Consultancy Ltd | Construction | 2019 |
| S&B Eyecare Limited | Wholesale & retail | 2014 |
| S&S Transport & Removals Ltd | Transport & logistics | 2025 |
| S1 Roofing Solutions Ltd | Construction | 2023 |
| Safely Systems Limited | Information & communication | 2024 |
| Sail Line UK Ltd | Transport & logistics | 2022 |
| Sails ETC Limited | Wholesale & retail | 2012 |
| Saints Consultants Limited | Information & communication | 2013 |
| SAM Haunton's Surfaces Limited | Construction | 2017 |
| Santiq (UK) Ltd | Professional & scientific | 2026 |
| Saranl Ltd | Wholesale & retail | 2021 |
| Satori London Limited | Administrative & support | 2019 |
| SB Groundwork’S and Landscapes Ltd | Construction | 2018 |
| Sbcl Trustee Limited | Extraterritorial | 2024 |
| SC Taverns Ltd | Hospitality | 2025 |
| Scared 2 Death Ltd | Arts & recreation | 2017 |
| Scores Jungle Limited | Information & communication | 2023 |
| Scott Walkden Bricklaying Limited | Construction | 2017 |
| Scott's Gardening & Landscaping Ltd | Administrative & support | 2019 |
| Sdpn Properties Limited | Real estate | 2018 |
| Searsleigh Limited | Households | 1986 |
| Securio Limited | Information & communication | 2002 |
| Seeded Growth Ltd | Professional & scientific | 2026 |
| Seeder Heights Limited | Professional & scientific | 2020 |
| Selbeck Limited | Professional & scientific | 1991 |
| Seraph Financial Solutions Ltd | Financial services | 2025 |
| Seraph Partnership Solutions Ltd | Professional & scientific | 2019 |
| Serduz Limited | Hospitality | 2022 |
| Setter Property Services Limited | Real estate | 2016 |
| Seunmah Limited | Real estate | 2017 |
| Sevenaar Limited | Financial services | 2019 |
| Severed Ties Ltd | Arts & recreation | 2013 |
| Sextant Energy Limited | Real estate | 2020 |
| Sexy Geek Limited | Wholesale & retail | 2017 |
| Shaadi Enterprise Ltd | Hospitality | 2025 |
| Shahliah Holdings Limited | Financial services | 2025 |
| Shahliah Lettings Limited | Real estate | 2025 |
| Shakara Global Ltd | Wholesale & retail | 2024 |
| Sheffield Express Business Travel Limited | Administrative & support | 1999 |
| Shero Store Ltd | Wholesale & retail | 2026 |
| Shortridge Court Residents Association Limited | Hospitality | 1976 |
| Shropshire Internet Services Limited | Professional & scientific | 1995 |
| Sibton Consulting Limited | Information & communication | 2015 |
| Siena Dexter Consultancy Ltd | Professional & scientific | 2017 |
| Signs Base Ltd | Manufacturing | 2020 |
| Silke Access Limited | Construction | 2014 |
| Silver Leaf South LLP | | 2016 |
| Silverend Local Ltd | Wholesale & retail | 2023 |
| SIM & Properties Ltd | Real estate | 2025 |
| Simarco Holdings Limited | Professional & scientific | 2013 |
| Simarco International Limited | Transport & logistics | 1997 |
| Simcott Electrical Ltd | Construction | 2009 |
| Simcott Personnel Management Limited | Construction | 2003 |
| Simcott Projects Limited | Construction | 2010 |
| Simcott Property Limited | Construction | 2013 |
| Simcott Renewables Limited | Construction | 2022 |
| Simcott Scaffold Ltd | Construction | 2022 |
| Simonspm Ltd | Real estate | 2020 |