| Quay Design Ltd | Professional & scientific | 2020 |
| Quay Electrical Ltd | Construction | 2022 |
| Quay Windows Ltd | Construction | 2014 |
| Quickfix Drylining (Cornwall) Ltd | Construction | 2020 |
| Quint Inn Ltd | Hospitality | 2025 |
| R & J Care Limited | Health & social care | 2005 |
| R F Old (Newquay) Limited | Wholesale & retail | 2009 |
| R K Fishing Limited | Other services | 2025 |
| R&A Partners Property Limited | Real estate | 2025 |
| Radgirlsdontwearpink Ltd | Wholesale & retail | 2019 |
| Radicor Ltd | Construction | 2013 |
| Radio Newquay and Media Limited | Information & communication | 2017 |
| Raising Bakers Ltd | Wholesale & retail | 2026 |
| Ralph & Co Solicitors LLP | | 2010 |
| Rams (South West) Ltd | Construction | 2018 |
| Randora Ventures Limited | Wholesale & retail | 2026 |
| Rastrigin Systems Ltd | Information & communication | 2025 |
| RB Social Care Consultancy Ltd | Health & social care | 2022 |
| Read Construction (SW) Limited | Construction | 2007 |
| Recce Rural Ltd | Real estate | 2020 |
| Reclaim Health Ltd | Education | 2025 |
| Red Bulb Ltd | Information & communication | 2022 |
| Red Hotels Limited | Hospitality | 2008 |
| Red River Properties Ltd | Households | 2021 |
| Redmond Hewitt Properties Ltd | Construction | 2025 |
| Reef Tiling Services Ltd | Construction | 2018 |
| Refinespeed Newquay Limited | Transport & logistics | 2018 |
| Regenerative Loop Ltd | Wholesale & retail | 2021 |
| Relax Cornwall Limited | Hospitality | 2021 |
| Reliable Tradesmen (Cornwall) Limited | | 1980 |
| Renfree Wealth Management Limited | Financial services | 2017 |
| Rentals Fourteen Limited | Hospitality | 2014 |
| Residential SW Ltd | Real estate | 2022 |
| Resort Consultancy Ltd | Hospitality | 2021 |
| Retallack Rentals Limited | Real estate | 2017 |
| Retro Services Ltd | Transport & logistics | 2025 |
| Reverse Paradise Ltd | Wholesale & retail | 2023 |
| Revutopia Ltd | Information & communication | 2024 |
| Rhino Height Projects Ltd | Construction | 2014 |
| Rialton View Farm LLP | | 2023 |
| Richard Groves Plumbing and Heating Ltd | Construction | 2018 |
| Richards Bros Machinery Limited | Wholesale & retail | 2021 |
| Richco Developments Limited | Construction | 2018 |
| Ride 55 Limited | Wholesale & retail | 2009 |
| Ridgey Decorating Ltd | Construction | 2025 |
| Ridgwells Limited | Construction | 2006 |
| Rightsquared Ltd | Professional & scientific | 2020 |
| Riley & Sons Ltd | Real estate | 2026 |
| Ringaro Software Ltd | Information & communication | 2024 |
| RIO Nuevo Chocolate Limited | Manufacturing | 2020 |
| Rise & Dine Cafe Limited | Hospitality | 2024 |
| Risk Control & Environmental Services (UK) Ltd. | Professional & scientific | 1997 |
| RJC Building and Plastering Ltd | Construction | 2021 |
| RJS Resourcing Ltd | Administrative & support | 2013 |
| Rkidd Media Ltd | Professional & scientific | 2023 |
| Rmcg Technical Limited | Other services | 2007 |
| RMS Engineering Services Ltd | Professional & scientific | 2022 |
| RNJ Services Limited | Construction | 2019 |
| ROB Emsley Ltd | Administrative & support | 2025 |
| Robert Broderick Marine Services Ltd | Transport & logistics | 2026 |
| Robert Foster Designs Limited | Information & communication | 2007 |
| Roberts Brothers (Cornwall) Limited | Real estate | 2019 |
| Roberts Clark Independent Financial Solutions Limited | Financial services | 2000 |
| Robin's Motorcycles Ltd | Wholesale & retail | 2024 |
| Robot 17 Ltd | Education | 2021 |
| Rocket Apartments Limited | Households | 2014 |
| Rockpool Holidays Ltd | Hospitality | 2018 |
| Rocksy Entertainment Ltd | Arts & recreation | 2021 |
| Rodwell Goddard Limited | Information & communication | 1998 |
| Rokwell Ltd | Construction | 2015 |
| Role HUT Ltd | Administrative & support | 2024 |
| Roselyon Management Company Limited | Households | 2024 |
| Rosemere Management Company Limited | Households | 2004 |
| Rosemundy House Hotel Limited | Hospitality | 1999 |
| Rosewastis Ltd | Health & social care | 2026 |
| Rosewyn Limited | Professional & scientific | 2012 |
| Rosewyn Vean Limited | Construction | 2022 |
| Roxyandreggie Limited | Arts & recreation | 2022 |
| Rprb Ltd. | Wholesale & retail | 2011 |
| Rtma Ltd | Real estate | 2024 |
| Rubydirect Limited | Wholesale & retail | 2011 |
| Run Weekends Ltd | Administrative & support | 2026 |
| Ruthern-Barron Limited | Hospitality | 2010 |
| Rwfplanning Ltd | Financial services | 2025 |
| Ryan Goold Photography Limited | Professional & scientific | 2019 |
| S & I Harper Limited | Real estate | 2025 |
| S and a Hotels Limited | Hospitality | 2017 |
| S C Setting OUT and Construction Limited | Construction | 2022 |
| S D Goldsmith Limited | Construction | 2015 |
| S D S (South West) Limited | Energy | 2014 |
| S M Properties Newquay Limited | Real estate | 2018 |
| S R Cars Newquay Ltd | Wholesale & retail | 2019 |
| S&K PUB Group Ltd | Hospitality | 2023 |
| S.W. Carpets Limited | Wholesale & retail | 2002 |
| SA Development Services Ltd | Construction | 2020 |
| Saffron Academy Limited | Education | 2021 |
| Sales With Soul Ltd | Professional & scientific | 2026 |
| Salt and Shade Limited | Manufacturing | 2025 |
| Saltd Surf Collective Ltd | Hospitality | 2022 |
| Saltwater 60 Management Company Limited | Households | 2017 |