| Refueled Ltd | Manufacturing | 2020 |
| Regency Marquees Limited | Other services | 1992 |
| Reinvent Contracts Limited | Construction | 2021 |
| REM Advisory Limited | Mining & quarrying | 2021 |
| Repose Beauty Ltd | Other services | 2017 |
| Revenue Recovery Limited | Financial services | 2010 |
| Rexor Systems Limited | Professional & scientific | 2012 |
| Rfbml Realisations Limited | Water & waste | 1976 |
| RH Eventing Limited | Arts & recreation | 2013 |
| Rhedx Property Management Limited | Real estate | 2020 |
| Ridgeway Aerospace Consultants Limited | Professional & scientific | 2018 |
| Ridgeway Investment Management Limited | Financial services | 2017 |
| Ridgeway Precision Agri Ltd | Agriculture & fishing | 2024 |
| Ridgeway Racing Limited | Arts & recreation | 2010 |
| Ridgeway Real Estate Limited | Households | 2021 |
| Ridgeway Sprayers Ltd | Manufacturing | 2015 |
| Ridgeway Strategy Consultants Limited | Professional & scientific | 2025 |
| Rinkiedink Solutions Ltd. | Information & communication | 2005 |
| River Retreats Limited | Hospitality | 2021 |
| Riverside Court (Kennet & Avon) Limited | Households | 2020 |
| Riverstone Projects Limited | Professional & scientific | 2007 |
| RJ Carpentry Contractors Limited | Construction | 2005 |
| RJE Enterprises Ltd | Wholesale & retail | 2026 |
| RM Advisory Services Ltd | Professional & scientific | 2025 |
| RM Plumbing & Heating Contractors Limited | Construction | 2021 |
| Rmlmaintenance Limited | Other services | 2013 |
| RMW Property Services Limited | Real estate | 2023 |
| Robert Kime Limited | Manufacturing | 1987 |
| Robert Stanley Estates Limited | Real estate | 2023 |
| Robur Carpentry Ltd | Construction | 2021 |
| Roch Consulting Limited | Professional & scientific | 2025 |
| Rockaway Business Holdings Limited | Financial services | 2010 |
| Rocketdog Investments Ltd | Financial services | 2020 |
| Rockley Manor Estate LLP | | 2013 |
| Rockley Manor Stables Limited | Agriculture & fishing | 2022 |
| Rockley Ventures Limited | Professional & scientific | 2008 |
| Roke Weaver Ltd | Professional & scientific | 2025 |
| ROOT2SKIN Ltd | Wholesale & retail | 2023 |
| Ropewind Residents Association (Shalbourne) Limited | Households | 2017 |
| ROS & Andrews Technical Solutions Ltd | Professional & scientific | 2026 |
| Rose Arch Education Limited | Education | 2017 |
| Rosie Pops Limited | Real estate | 2016 |
| Roundhill Computer Systems Limited | Information & communication | 1980 |
| Routine One Ltd | Information & communication | 2011 |
| Roxton Sporting Limited | Wholesale & retail | 1979 |
| ROY Coles Upholstery Limited | Manufacturing | 2002 |
| RS Strategic Consulting Ltd | Professional & scientific | 2024 |
| Rupert Russell & Co Limited | Professional & scientific | 2021 |
| Rutherfords Property Limited | Real estate | 2011 |
| Rwdea Limited | Professional & scientific | 2007 |
| Ryan Banks Flooring Limited | Construction | 2018 |
| S.T. Meyer Investments Limited | Administrative & support | 2017 |
| Sabrena Property Co.Limited | Real estate | 1953 |
| SAM Skelton Carpentry Limited | Manufacturing | 2016 |
| Sangster Racing Limited | Arts & recreation | 2022 |
| Sansum & Co Limited | Professional & scientific | 2011 |
| Sapore D'Italia U.K Ltd | Hospitality | 2018 |
| Sarah Colson Limited | Manufacturing | 2014 |
| Sarah Musgrave Limited | Health & social care | 2003 |
| Sarsen Energy Ltd | Wholesale & retail | 2004 |
| Savernake Auto Services Limited | Wholesale & retail | 2008 |
| Savernake Builders Ltd | Construction | 2018 |
| Savernake Carpentry Ltd | Construction | 2026 |
| Savernake Estate Properties Limited | Real estate | 2022 |
| Savernake Estates Limited | Real estate | 2021 |
| Savernake Farming Ltd | Agriculture & fishing | 2019 |
| Savernake IT Services Limited | Information & communication | 2017 |
| Savernake Knives Limited | Manufacturing | 2017 |
| Savernake Ltd | Information & communication | 2021 |
| Savernake Park Holdings Limited | Financial services | 2026 |
| Savernake Park Trading Limited | Agriculture & fishing | 2026 |
| Savernake Sporting Ltd | Agriculture & fishing | 2024 |
| SC Groundworks & Landscaping Limited | Construction | 2019 |
| School Walk (Marlborough) Management Company Limited | Households | 2011 |
| Science Based Nutrition Services Ltd | Professional & scientific | 2025 |
| Science Facilities Limited | Real estate | 1997 |
| Scooby & Co Ltd | Agriculture & fishing | 2025 |
| Scoutmac Limited | Construction | 2018 |
| SDG Holdings Ltd | Financial services | 2020 |
| Sea to Space Limited | Transport & logistics | 2024 |
| Search Party Digital Limited | Administrative & support | 2007 |
| Seasmiths Fish & Chips Wadebridge Ltd | Hospitality | 2023 |
| Second Mind Cloud Consulting Limited | Information & communication | 2026 |
| Secured Bridging Finance Limited | Financial services | 2008 |
| Segment Seven Limited | Financial services | 2009 |
| Seido Design Services Ltd | Professional & scientific | 2016 |
| SENSING247 Ltd | Information & communication | 2019 |
| Servogenics Limited | Information & communication | 1994 |
| Sesemi Electronics Limited | Wholesale & retail | 2018 |
| Shafted Productions Limited | Information & communication | 1998 |
| Shaheda 87 Ltd | Hospitality | 2023 |
| Shalbourne Associates Ltd | Information & communication | 2026 |
| Shalbourne Community Growers Community Interest Company | Agriculture & fishing | 2021 |
| Shane Mitchener Limited | Agriculture & fishing | 2016 |
| Shaw Research & Planning Ltd | Professional & scientific | 2002 |
| Sheltering Limited | Real estate | 2024 |
| Sherbourne Developments Group Limited | Financial services | 2016 |
| Sherbourne Inglewood Limited | Construction | 2023 |
| Sherbourne Interiors Limited | Professional & scientific | 2020 |
| Sherbourne Manningford Ltd | Construction | 2022 |