| Recepta Ltd | Professional & scientific | 2014 |
| Recoblock Limited | Construction | 2014 |
| Red Team Projects Ltd | Real estate | 2018 |
| Redhorn Property Limited | Real estate | 2017 |
| Reeds Construction & Engineering Ltd | Administrative & support | 2003 |
| Refrigeration Maintenance and Sales Limited | Manufacturing | 2003 |
| Regentcity Limited | Extraterritorial | 1979 |
| Rejjsde Ltd | Manufacturing | 2026 |
| Rendells Farm Limited | Hospitality | 2019 |
| Renelec Building Services Limited | Construction | 1990 |
| Renelec Chalgrove Limited | Construction | 1995 |
| Renelec Construction Limited | Construction | 2017 |
| Renelec Contracting Limited | Construction | 2023 |
| Renelec Groundworks Limited | Construction | 1997 |
| Renelec Group Limited | Professional & scientific | 1998 |
| Renelec Limited | Professional & scientific | 1972 |
| Repa Solutions Ltd | Administrative & support | 2019 |
| Resonate Talent Ltd | Information & communication | 2022 |
| Retrac Holdings Limited | Professional & scientific | 2015 |
| Retro Relics Games Ltd | Wholesale & retail | 2023 |
| Rework & Rewind Ltd | Other services | 2024 |
| REX Bidco Limited | Financial services | 2026 |
| REX Midco Limited | Financial services | 2026 |
| REX Topco Limited | Financial services | 2026 |
| REX Vape Station Ltd | Wholesale & retail | 2024 |
| Rezizt Limited | Manufacturing | 2014 |
| RGS Consulting Ltd | Professional & scientific | 2025 |
| Rhnh Ltd | Wholesale & retail | 2026 |
| Richard Knowlton Associates Limited | Professional & scientific | 2014 |
| Richards Castle I T Limited | Information & communication | 2011 |
| Richardson & Paige Ltd | Other services | 2026 |
| Ride Scout Ltd. | Administrative & support | 2025 |
| Ridgeway Estate Agents Ltd. | Real estate | 1998 |
| Rippingale Limited | Construction | 2014 |
| Riseroute Solutions Ltd | Transport & logistics | 2025 |
| Ritech Systems Limited | Manufacturing | 2002 |
| Riverside Place (Bristol) Management Company Limited | Households | 2015 |
| Riverwood Carpentry and Joinery Ltd | Construction | 2024 |
| Riviera Hotel Limited | Hospitality | 2002 |
| RJT Groundworks Services Limited | Construction | 2016 |
| RM Agri Ltd | Manufacturing | 2025 |
| RNI Testing Ltd | Construction | 2023 |
| Robertson Investments Ltd | Real estate | 2021 |
| Robin Gregory Limited | Construction | 2003 |
| Robin Williams & Associates Limited | Administrative & support | 2000 |
| Rodney Sharp Limited | Real estate | 2025 |
| Rogue Electrical Limited | Professional & scientific | 2023 |
| Romain & Co Hair Studio Ltd | Other services | 2021 |
| Root 1 Foods Ltd | Wholesale & retail | 2004 |
| Roses (NO. 2) Limited | Financial services | 2014 |
| Roses Ironmongers Limited | Wholesale & retail | 1958 |
| Rosewood Motor Co. Ltd | Wholesale & retail | 2026 |
| Roundway Business Services Ltd | Professional & scientific | 2018 |
| Roundway Property Development Ltd | Real estate | 2019 |
| Route 2 Fitness Limited | Arts & recreation | 2004 |
| Rowde Court Management Company (Devizes) Limited | Hospitality | 1990 |
| Rowdefield Farming Limited | Agriculture & fishing | 2005 |
| RPM Consultants & Engineers Ltd | Construction | 2003 |
| RRH Property Limited | Financial services | 2012 |
| RS Assessments Ltd | Professional & scientific | 2015 |
| RSG Plumbing, Renewables and Heating Limited | Construction | 2012 |
| RTW Consultancy Services Limited | Professional & scientific | 2019 |
| Rural Development Associates Ltd | Professional & scientific | 2014 |
| RW Football School Ltd | Arts & recreation | 2020 |
| S & R Building and Development Ltd | Construction | 2024 |
| S G Motorsport Services Limited | Wholesale & retail | 2007 |
| S&D Wright Properties Limited | Real estate | 2026 |
| S&M Farming Ltd | Agriculture & fishing | 2018 |
| S.C.C. Transport (Devizes) Limited | Real estate | 1956 |
| S.L.H.C. Electrical Ltd | Construction | 2014 |
| Sabrestorm Stories Ltd | Information & communication | 2019 |
| Safety First Commercials Ltd. | Wholesale & retail | 2005 |
| Saff&Sass Ltd | Wholesale & retail | 2021 |
| Saint Joseph's Catholic Primary School, Devizes | Education | 2011 |
| Sally Winter Ltd | Professional & scientific | 2021 |
| Sandleaze Limited | Households | 2008 |
| Sarah Watts Limited | Hospitality | 2017 |
| Sarnies and Pies Ltd | Hospitality | 2017 |
| Sarsen Brands Limited | Construction | 2026 |
| Sarsen Group Holdings Limited | Administrative & support | 2018 |
| Sarsen Ventures Limited | Construction | 2026 |
| Satsuma Management Ltd | Real estate | 2017 |
| Saxum Properties Limited | Real estate | 2025 |
| SB Audio Solutions Limited | Administrative & support | 2025 |
| SB Smart Solutions Ltd | Professional & scientific | 2019 |
| Sbsos Limited | Construction | 2012 |
| Scarlett Fire & Security Ltd | Administrative & support | 2022 |
| Scholars Devizes Ltd | Real estate | 2017 |
| Schuch Associates Limited | Professional & scientific | 2009 |
| SDK Tech Holdings Limited | Financial services | 2023 |
| Seapoint House (Newquay) Management Company Limited | Real estate | 2010 |
| SEB and Emma Ltd | Wholesale & retail | 2011 |
| Secret Gardens Corporation Ltd | Wholesale & retail | 2016 |
| SEE for Miles Limited | Professional & scientific | 2009 |
| Segmnts Ltd | Information & communication | 2023 |
| Self Storage Thinking Limited | Professional & scientific | 2017 |
| Sentry Ecosystems Consultancy Ltd | Administrative & support | 2016 |
| Sham Barbershop Ltd | Other services | 2025 |
| Shenanigans Inc. Ltd | Information & communication | 2019 |
| Shibumi Consulting Limited | Other services | 2012 |