| Roman Road Land Limited | Real estate | 2016 |
| Roman Trading Company Ltd | Wholesale & retail | 2026 |
| Romei Electrical Ltd | Construction | 2017 |
| RON Oliver Wall & Flooring Limited | Construction | 2005 |
| Ronald England & SON Limited | Agriculture & fishing | 1983 |
| Roofcraft (Shropshire) Limited | Construction | 2009 |
| Rooftech Holdings Limited | Financial services | 2023 |
| Roost Building Consultants Ltd | Construction | 2024 |
| Rose & Martin Ltd | Households | 2026 |
| Rose & Olive Ltd | Real estate | 2023 |
| Rose Corner Ltd | Hospitality | 2017 |
| Rose Gardens (Clitheroe) Management Company Limited | Households | 2018 |
| Rose Island Limited | Financial services | 2024 |
| Roseville Marine Gardens (Paignton) Management Limited | Real estate | 2017 |
| Roseway Landscapes Limited | Administrative & support | 2018 |
| Ross Planning Limited | Construction | 2009 |
| Rothwell Road (P2) Management Company Limited | Households | 2007 |
| Route 66 Restorations Ltd | Wholesale & retail | 2020 |
| Rowan Court Southsea Hampshire RMC Limited | Households | 1990 |
| Rowbrook Holdings Ltd | Financial services | 2024 |
| Roweaver Holdings Limited | Construction | 2008 |
| Rowlands & Co. (Shrewsbury) Limited | Wholesale & retail | 1960 |
| Rowlands Holding Company Limited | Financial services | 2018 |
| Rowlands Prepared VEG Limited | Wholesale & retail | 2025 |
| Rowlands Property Limited | Real estate | 2018 |
| Rowley Fields Residents Management Company Limited | Households | 2018 |
| Rowling Gate (Phase 3) Management Company Limited | Households | 2006 |
| Rowson & Rowson Limited | Construction | 2010 |
| Rowson & Rowson Renovations Ltd | Construction | 2024 |
| Rowson and Jones Renovations Limited | Construction | 2026 |
| Rowson Property Ltd | Real estate | 2021 |
| Rowton Court Freeholds Limited | Households | 1988 |
| Rowton Court Residents Association Limited | Households | 1980 |
| Rowton Growers Limited | Energy | 2003 |
| Rox-Anne’S Hair & Beauty Limited | Other services | 2019 |
| Royal Gardens (Wellington) Management Company Limited | Households | 2005 |
| Royal Hill Inn Ltd | Hospitality | 2007 |
| Roycroft Electrical Ltd | Administrative & support | 2018 |
| RP 346 Limited | Professional & scientific | 2007 |
| RP Rural and Energy Ltd | Real estate | 2023 |
| RPM Taphouse Ltd | Hospitality | 2019 |
| RPS Desani Ltd | Transport & logistics | 2001 |
| RRW Events Ltd | Arts & recreation | 2012 |
| RSA Environment Ltd | Water & waste | 2020 |
| RSJ Incorporated Ltd | Financial services | 2026 |
| RSM Automotive Limited | Wholesale & retail | 2015 |
| RTC Recovery and Rescue Ltd | Wholesale & retail | 2017 |
| RTC Recruitment Limited | Administrative & support | 2009 |
| RTF Developments Limited | Construction | 2016 |
| RTF Lettings Limited | Real estate | 2020 |
| Ruby Renovations Shropshire Ltd | Construction | 2017 |
| Ruby Vehicle Services Ltd | Wholesale & retail | 2018 |
| Ruckley Home Farm Ltd | Health & social care | 2013 |
| Rufus Industries Ltd | Wholesale & retail | 2026 |
| Rugby Gateway (Flats) Management Company Limited | Real estate | 2018 |
| Rugby Springs Limited | Real estate | 2018 |
| Rukhydro Limited | Professional & scientific | 2009 |
| Runlates Ltd | Arts & recreation | 2025 |
| Runwhen Services UK Ltd | Professional & scientific | 2023 |
| Ruraltech LLP | | 2017 |
| Russell Media Limited | Information & communication | 2015 |
| Rustic Pantry Ltd | Hospitality | 2023 |
| Rustic Revelry Ltd | Administrative & support | 2020 |
| Ruth Edwards Global Ltd | Health & social care | 2024 |
| Rutland & Co. Developments Ltd | Real estate | 2025 |
| Rutland - Jones Property Limited | Real estate | 2024 |
| Rutland Construction Limited | Construction | 2023 |
| RVH Autos Ltd | Wholesale & retail | 2026 |
| Rvival Ltd | Administrative & support | 2022 |
| RVM Trading Limited | Wholesale & retail | 2011 |
| RW Electrics Ltd | Construction | 2018 |
| RXT Properties Ltd | Professional & scientific | 2024 |
| Ryan Bickham Limited | Professional & scientific | 2018 |
| Ryan Harvey Ltd | Wholesale & retail | 2025 |
| RYE Bank Equestrian Ltd | Agriculture & fishing | 2022 |
| Ryminster Limited | Professional & scientific | 2004 |
| Ryminster Medical Services Limited | Health & social care | 2007 |
| Ryminster Properties Limited | Real estate | 2021 |
| Rysgal Group Ltd | Real estate | 2026 |
| S & B Financial Services Limited | Financial services | 2024 |
| S & D Letting Limited | Real estate | 2014 |
| S & N Electrical Contractors Limited | Construction | 2010 |
| S & P Elliott Properties Limited | Administrative & support | 2002 |
| S & R Medical Limited | Health & social care | 2015 |
| S & S Therapies Ltd | Health & social care | 2021 |
| S a W Mcbride & Sons Ltd | Construction | 1997 |
| S a W Mcbride Limited | Extraterritorial | 2019 |
| S Baker Ltd | Professional & scientific | 2016 |
| S D M Electrics Limited | Manufacturing | 2005 |
| S E Reece Limited | Financial services | 2017 |
| S Edwards Limited | Transport & logistics | 2016 |
| S J & P Developments Ltd | Construction | 2022 |
| S J Consultants (UK) Ltd | Wholesale & retail | 2009 |
| S J Taylor Holdings Limited | Financial services | 2014 |
| S Johnson Ltd | Hospitality | 2026 |
| S K Deer Building Contractors Limited | Construction | 2004 |
| S K Holdings (Shropshire) Limited | Real estate | 2020 |
| S M Harvey Limited | Professional & scientific | 2003 |
| S P Rennie Ltd | Professional & scientific | 2018 |
| S R Landscaping Ltd | Administrative & support | 2023 |