| Raceworld Holdings Limited | Financial services | 2017 |
| Radford Heating Services Limited | Construction | 2024 |
| RAE Muscat Limited | Professional & scientific | 2021 |
| Rafiki Film Ltd | Information & communication | 2017 |
| Raflees Reclamation Limited | Wholesale & retail | 2012 |
| Raflees Trading Limited | Wholesale & retail | 2013 |
| Ratchford Energy Solutions Ltd | Financial services | 2024 |
| RAY Palfrey & Sons Ltd | Manufacturing | 2007 |
| RC Contracts Ltd | Professional & scientific | 2026 |
| RCD Developments Limited | Construction | 2025 |
| RDB Homes Ltd | Real estate | 2025 |
| RDD Building Contractors Limited | Construction | 2023 |
| Reality Consulting Limited | Information & communication | 1994 |
| Red Cornwall Ltd | Real estate | 2017 |
| Red Hot Coffee Ltd | Hospitality | 2013 |
| Reddaway Ltd | Agriculture & fishing | 2012 |
| Reddaways Removals Limited | Transport & logistics | 2002 |
| Redondo Limited | Information & communication | 2011 |
| Reed Construction & Developments Limited | Construction | 1998 |
| Reef Candy Aquatics Limited | Wholesale & retail | 2021 |
| Reef Robe Limited | Wholesale & retail | 2021 |
| Reeve Holdings LLP | | 2015 |
| Reeves Emporium Ltd | Wholesale & retail | 2026 |
| Reflect Chia Cosmetology Ltd | Wholesale & retail | 2023 |
| Regency Horticulture Limited | Wholesale & retail | 2015 |
| Relocate to Cornwall Ltd | Real estate | 2020 |
| Rengaco Limited | Real estate | 2021 |
| Restoshack Ltd | Wholesale & retail | 2023 |
| Retro Classics (Devon) Limited | Administrative & support | 2020 |
| Revive Beauty and Hair Design Limited | Other services | 2013 |
| REX DE Tzigane Limited | Real estate | 1991 |
| RGH Wealth Management Ltd | Financial services | 2026 |
| Ridge House Residential Home Limited | Health & social care | 2004 |
| Rivelyn Ltd | Information & communication | 2022 |
| River Collective Limited | Professional & scientific | 2014 |
| River Country Homes Ltd | Real estate | 2015 |
| Riverstone Press Ltd | Information & communication | 2026 |
| Rixa Mediation Ltd | Other services | 2025 |
| RJG Services (SW) Limited | Construction | 2020 |
| RKH Holdings Limited | Financial services | 2015 |
| RLB Consult Limited | Information & communication | 2025 |
| RMS Crediton Ltd | Wholesale & retail | 2023 |
| Rmvm Ltd | Other services | 2026 |
| Robert Langley ( Accounting Services) Ltd | Professional & scientific | 2010 |
| Roberts & Co Electrical Limited | Construction | 2011 |
| Robertson & Weir Limited | Real estate | 1965 |
| Rocketship Writing Ltd | Professional & scientific | 2024 |
| Rodd Crediton Limited | Real estate | 2016 |
| ROJO5 Limited | Other services | 2016 |
| Root and Ramble Ltd | Hospitality | 2021 |
| Rose Export Ltd | Transport & logistics | 2001 |
| Rota Precision Limited | Wholesale & retail | 1993 |
| Rota Wheels UK Ltd. | Wholesale & retail | 2005 |
| Round Torr Limited | Agriculture & fishing | 2023 |
| Roundham Court Limited | Health & social care | 2010 |
| Rowe & Woodward Limited | Construction | 2008 |
| Roxy Hospitality Ltd | Hospitality | 2018 |
| RPM Driving Ltd | Education | 2024 |
| Rsgmsp Limited | Wholesale & retail | 2025 |
| RSK Finance Limited | Financial services | 2012 |
| RT Dynamic Consultants Limited | Information & communication | 2016 |
| Rubicon Industries Ltd | Arts & recreation | 2013 |
| Rumours Hospitality Limited | Hospitality | 2019 |
| Ruoff Recycling Ltd | Wholesale & retail | 2013 |
| Rural Edge Consultancy Ltd | Professional & scientific | 2024 |
| S D Jacques Ltd | Construction | 2022 |
| S Dunlop Process Engineering Limited | Professional & scientific | 2013 |
| S J L Building Contractor Ltd | Construction | 2019 |
| S J Rowe Developments Ltd | Construction | 2023 |
| S J Rowe Ltd | Construction | 2023 |
| S J Sportscars (Crediton) Limited | Real estate | 2023 |
| S M Kitchens & Carpentry Ltd | Construction | 2019 |
| S Peters Roofing Limited | Construction | 2013 |
| S T Plumbing & Heating (SW) Ltd | Construction | 2023 |
| S. J. Willis and Sons Limited | Construction | 2006 |
| S.J. Sportscars Limited | Wholesale & retail | 1998 |
| S.R. Mildon Limited | Construction | 2008 |
| S.Webber Groundworks Limited | Construction | 2022 |
| SA Constitutional Court Trust UK | Education | 2002 |
| Sacred Oaks Ltd | Information & communication | 2024 |
| Sahin Design Studio Ltd | Professional & scientific | 2025 |
| Sandford Orchards Limited | Manufacturing | 2016 |
| Sarah Coaching and Speaking Ltd | Manufacturing | 2021 |
| Sarah Payne Event Management Services Ltd | Hospitality | 2023 |
| Sarissima Creative Events Limited | Professional & scientific | 2019 |
| Savex Services Limited | Manufacturing | 2010 |
| Savnad Optics Limited | Wholesale & retail | 2010 |
| Sea Air Property Ltd | Real estate | 2022 |
| Seagull Design 2008 Limited | Arts & recreation | 2008 |
| Segway Bristol Limited | Arts & recreation | 2015 |
| Segway Smiles (Devon) LLP | | 2012 |
| Serene Harmony Ltd | Health & social care | 2025 |
| SET Square Building Services Ltd | Wholesale & retail | 2007 |
| SF Media (SW) Ltd | Information & communication | 2024 |
| SF Properties (SW) Ltd | Real estate | 2025 |
| SG and KC Ltd | Hospitality | 2017 |
| Shenrock Limited | Real estate | 2021 |
| Sheppard Fitness Studios Ltd | Arts & recreation | 2018 |
| Sheppard Turner Limited | Arts & recreation | 2016 |
| Shobrooke Farm Property Management Company Limited | Households | 2020 |