| Moreton Pound Limited | Hospitality | 2010 |
| MP Loach Property Group Limited | Real estate | 2015 |
| MPJ Staddon Limited | Agriculture & fishing | 2006 |
| MSL Retail Ltd | Wholesale & retail | 2013 |
| Muckhaul Ltd | Transport & logistics | 2023 |
| MV Technical Systems Limited | Manufacturing | 2012 |
| Mycologic Ltd | Agriculture & fishing | 2020 |
| N & R Retail Ltd | Wholesale & retail | 2016 |
| N Hayes Limited | Transport & logistics | 2020 |
| Nature Immersions Ltd | Agriculture & fishing | 2019 |
| Navoys Limited | Wholesale & retail | 2023 |
| Nettlebed Farm Contractors Limited | Hospitality | 1987 |
| New Loatmead Organic Limited | Agriculture & fishing | 2006 |
| Neyton Architecture Ltd | Professional & scientific | 2026 |
| Nigh Investments Limited | Real estate | 2017 |
| Noodle Poodle's Limited | Manufacturing | 2013 |
| North Cornwall Kitchens Limited | Construction | 2011 |
| North Cornwall Recycling Ltd | Professional & scientific | 2005 |
| Norton Energy Ltd | Construction | 2023 |
| Nwhl-Solutions Limited | Professional & scientific | 2024 |
| Oak Park (North) Limited | Households | 1990 |
| Ocean View Leisure Ltd | Construction | 2021 |
| Odlin & Mair Ltd | Wholesale & retail | 2016 |
| ON Track Ground Works SW Ltd | Construction | 2019 |
| Outlaw Products Limited | Administrative & support | 2013 |
| Outlaw Tools Limited | Wholesale & retail | 2014 |
| Outside Inn (Bude) Ltd | Hospitality | 2025 |
| P & N Competitions Limited | Wholesale & retail | 2023 |
| P&R Homes Ltd | Construction | 2020 |
| Parker Consultancy Limited | Professional & scientific | 2023 |
| Pavilion (Cornwall) Limited | Real estate | 2016 |
| Peckett Enterprises Ltd | Manufacturing | 2026 |
| Penglas Ltd | Real estate | 2012 |
| Penscombe Barns Management Company Limited | Households | 2022 |
| Peter Prouse Ltd | Construction | 2019 |
| Pi'Cubic Ltd | Real estate | 2021 |
| Picopc Ltd | Manufacturing | 2007 |
| Piper Architecture Limited | Professional & scientific | 2015 |
| Piper Construction Management Ltd | Professional & scientific | 2017 |
| Piper Heating & Plumbing Ltd | Construction | 2014 |
| Piper Surveying (SW) Ltd | Professional & scientific | 2017 |
| PIT Stop Garage (SW) Ltd | Wholesale & retail | 2019 |
| Planisphere Collective Limited | Education | 2026 |
| Power System Protection Limited | Professional & scientific | 2013 |
| Premier Painting & Decorating Limited | Construction | 2005 |
| Premium Carpets & Flooring Limited | Construction | 2020 |
| Prime Property Maintenance South West Ltd | Construction | 2026 |
| Prime Windows Ltd | Construction | 2010 |
| Property Dealings Limited | Real estate | 2012 |
| Puddleduck Valley LLP | | 2012 |
| Purdy's Electrical Ltd | Construction | 2023 |
| Pushbutton Collectables Ltd | Wholesale & retail | 2025 |
| Pyworthy MOT Ltd | Wholesale & retail | 2012 |
| QA Scaffolding Ltd | Construction | 2020 |
| R & H Floor Cleaning Machines Limited | Other services | 2005 |
| R D Bolt Ltd | Construction | 2005 |
| R&R Decorating Ltd | Construction | 2023 |
| Ravelin Estate Company Limited | Real estate | 1971 |
| Ravelin Property Management Limited | Real estate | 2017 |
| Razorcrest Ltd | Professional & scientific | 2023 |
| Read Consulting Ltd | Professional & scientific | 2026 |
| Red Acorn Properties Limited | Real estate | 2014 |
| Red Dog Bakery Ltd | Manufacturing | 2018 |
| Reddell Company Ltd | Real estate | 2025 |
| Refundable Life Ltd | Construction | 2020 |
| Regent Academy Limited | Education | 1992 |
| Regent Academy of Fine Arts Limited | Information & communication | 1990 |
| Remedies Limited | Health & social care | 2002 |
| Renew SW Ltd | Construction | 2011 |
| RHJ Dairy Limited | Agriculture & fishing | 2013 |
| Ricaty Ventures Limited | Real estate | 2001 |
| Richard Paul Limited | Construction | 2018 |
| Robert West Racing Ltd | Arts & recreation | 2021 |
| Rockpool Property Limited | Real estate | 2012 |
| Roemen Reserve Limited | Wholesale & retail | 2025 |
| Roger Andrews Limited | Construction | 2014 |
| Rory Jones Ltd | Construction | 2018 |
| Routes 2 Revenue Ltd | Professional & scientific | 2025 |
| Rowe Recruitment Ltd | Real estate | 2022 |
| ROY Prouse Contractors Limited | Construction | 2012 |
| RPM Guildford Limited | Construction | 2018 |
| RSF Vehicle Solutions Limited | Wholesale & retail | 2020 |
| Ruby Country Limited | Agriculture & fishing | 2003 |
| Ruby Oak Park Ltd | Arts & recreation | 2013 |
| Rumblejaks Ltd | Hospitality | 2025 |
| Rydon Fields Leasehold Management Company Limited | Households | 2017 |
| Rydon Village (Management Company) Ltd | Real estate | 2012 |
| Salessense Limited | Professional & scientific | 1998 |
| Satchell Engineering Ltd. | Manufacturing | 2015 |
| Saunders Building Services Ltd | Construction | 2018 |
| Sayed M Ahmed Limited | Hospitality | 2024 |
| Seiche Environmental Ltd | Professional & scientific | 2017 |
| Seiche Limited | Professional & scientific | 1997 |
| Seiche Measurements Limited | Education | 2000 |
| Seiche Operations Ltd | Professional & scientific | 2018 |
| Seiche Training Limited | Education | 2014 |
| Seiche Water Technology Group Ltd | Financial services | 2016 |
| Select Clinical Limited | Professional & scientific | 2012 |
| Serendip Street Kitchen Ltd | Hospitality | 2024 |
| Seven Sages Limited | Professional & scientific | 2022 |