| Rhodes Advanced Engineering Ltd | Professional & scientific | 2021 |
| Rhombic Ltd | Professional & scientific | 2022 |
| RHS Laser and Survey Limited | Manufacturing | 2024 |
| Rhubarb Ltd | Professional & scientific | 2012 |
| Rhynco Ltd | Professional & scientific | 2024 |
| Rhys Rimmer Building Ltd | Manufacturing | 2025 |
| Richard Tofts Ecology Limited | Administrative & support | 2006 |
| Richard Watt Limited | Real estate | 2024 |
| Rickman Engineering Ltd | Extraterritorial | 2003 |
| Rickman Metisse Motor Cycles Limited | Wholesale & retail | 2001 |
| Rickman Motorcycles Limited | Manufacturing | 2002 |
| Rickycjames Limited | Financial services | 2019 |
| Ridgeway Playgroup Limited | Education | 2006 |
| Riento Consulting Limited | Professional & scientific | 2014 |
| Riggall & Associates Limited | Professional & scientific | 2005 |
| RIH Solutions Limited | Construction | 2024 |
| Riley James Ltd | Administrative & support | 2013 |
| Rising Tide Pictures Ltd | Information & communication | 2023 |
| Ritual Coffee Company Ltd | Wholesale & retail | 2018 |
| River Audio Ltd | Information & communication | 2010 |
| RJ Technical Ltd | Manufacturing | 2008 |
| RJG Plastering & Developments Ltd | Construction | 2023 |
| RJH Medical Services Ltd | Health & social care | 2026 |
| RLM Procurement Ltd | Professional & scientific | 2018 |
| RMC GAS Services Limited | Construction | 2014 |
| Rmlt Trust Limited | Real estate | 2025 |
| Rmmr Limited | Information & communication | 2019 |
| RO Frames Ltd | Manufacturing | 2020 |
| Roadrunner Motorcycles Ltd | Wholesale & retail | 2003 |
| Roadrunner Ride Through Limited | Transport & logistics | 2026 |
| Roads of the Rose Limited | Arts & recreation | 2021 |
| Roamed Ltd | Administrative & support | 2024 |
| ROB Gardiner Limited | Information & communication | 2023 |
| Robbie's Driving School Limited | Other services | 2009 |
| Robert Bray Associates Limited | Professional & scientific | 2003 |
| Robert Cole Civil Engineering Limited | Construction | 2010 |
| Robin Waite Limited | Professional & scientific | 2017 |
| Robinson Stag Limited | Financial services | 2011 |
| Rockliffe Pictures Ltd | Information & communication | 2016 |
| Rockpool Entertainment Ltd | Arts & recreation | 2014 |
| Rodborough and Wallbridge Community Interest Company | Education | 2023 |
| Roger Dainton Limited | Construction | 2003 |
| Roger Jackson Transport Limited | Transport & logistics | 2016 |
| Rogue State Media Ltd | Professional & scientific | 2013 |
| Rokra Trading Limited | Wholesale & retail | 1996 |
| Rolfe U.K. Limited | Professional & scientific | 2011 |
| Rollercoaster Records Ltd | Information & communication | 2004 |
| Roman Yard Limited | Real estate | 1998 |
| Ronch Ltd | Hospitality | 2025 |
| Ronin Carpentry Ltd | Construction | 2025 |
| Room Business (111 Eastgate) Ltd | Real estate | 2025 |
| Room Business (Clarendon Court) Ltd | Construction | 2021 |
| Root & Rise Counselling CIC | Health & social care | 2026 |
| Rosewood Family Mediation Limited | Health & social care | 2026 |
| Ross Cottages Limited | Hospitality | 2025 |
| Rossi - Caffell Ltd | Wholesale & retail | 2013 |
| Rosstype Ltd | Professional & scientific | 2019 |
| Rough Hands Ltd | Wholesale & retail | 2020 |
| Rough Rovers Sporting Ltd | Arts & recreation | 2020 |
| Route 2 Passing Limited | Transport & logistics | 2003 |
| Rowtime Ltd | Information & communication | 2005 |
| Roxy Comms Ltd | Information & communication | 2025 |
| Royle Properties Management Limited | Households | 2004 |
| RPB Electrical Ltd | Construction | 2020 |
| RPM Training Limited | Professional & scientific | 1997 |
| Rselectro-Tech Ltd | Manufacturing | 2012 |
| RSK Selby Holdings Limited | Manufacturing | 2017 |
| Rtaylor Heath & Beauty Care Ltd | Wholesale & retail | 2025 |
| Rufflebrothers Limited | Information & communication | 2004 |
| Rural Space Architecture Ltd | Professional & scientific | 2023 |
| Ruris (UK) Ltd | Professional & scientific | 2014 |
| Ruskin Glass Centre Limited | Real estate | 2000 |
| Ruskin Mill Centre for Research | Real estate | 2014 |
| RW Architectural Services Ltd | Professional & scientific | 2006 |
| Ryanford Limited | Extraterritorial | 2016 |
| Ryland Peters & Small Limited | Information & communication | 2025 |
| Ryland-Epton Associates Ltd | Administrative & support | 2025 |
| Rysa Limited | Information & communication | 2023 |
| S & K Smith Ltd | Professional & scientific | 2010 |
| S & P Contracting (Cotswold) Limited | Construction | 2020 |
| S B Williams Catering Ltd | Hospitality | 2023 |
| S M Racing Limited | Professional & scientific | 1998 |
| S Sutton Building Contractors Ltd | Construction | 2011 |
| S W Woodworking Limited | Manufacturing | 2007 |
| S&K North Somerset LLP | | 2025 |
| S. L. Baker Limited | Professional & scientific | 2015 |
| S. P. Electrical (Stroud) Limited | Construction | 2003 |
| S.G.Bailey(Paints)Limited | Manufacturing | 1967 |
| S.O.E. Financial Limited | Financial services | 2020 |
| S.T.B. Engineering Limited | Manufacturing | 1969 |
| Sabbaton Limited | Real estate | 1981 |
| Safcomms Limited | Administrative & support | 2017 |
| Safespace Fire Solutions Ltd | Construction | 2026 |
| Safeway Demolition & Plant Hire Ltd | Construction | 2020 |
| Safira Navitas Ltd | Professional & scientific | 2025 |
| Safronblue Limited | Hospitality | 2023 |
| Sailing Sun Consulting Ltd | Professional & scientific | 2021 |
| Salix Medical Corporation Ltd | Health & social care | 2025 |
| Saltus Trading Ltd | Wholesale & retail | 2011 |
| SAM Smith Landscapes Ltd | Administrative & support | 2013 |