| Nearly Coming Home Developments Limited | Construction | 2021 |
| Neet Homes Ltd | Construction | 2018 |
| Neil Phillips Holdings Ltd | Financial services | 2026 |
| New Dawn Publishing Group Ltd | Information & communication | 2024 |
| New Frontiers (Computer Services) Ltd. | Information & communication | 1996 |
| Newnham Housing & Support Ltd | Administrative & support | 2003 |
| Newson Construction and Development Ltd | Construction | 2021 |
| Newwave Eco Limited | Real estate | 2016 |
| Nexus Therapies Ltd | Health & social care | 2025 |
| Nick LEE Ltd | Information & communication | 2016 |
| North Coast Caravans Ltd | Wholesale & retail | 2005 |
| North Coast Cider Company Limited | Manufacturing | 2013 |
| North Coast Wealth Ltd | Financial services | 2025 |
| North Coast Wine Company Limited | Wholesale & retail | 2009 |
| North Cornwall Communications Ltd | Wholesale & retail | 2010 |
| North Cornwall Developments Ltd | Construction | 2013 |
| North Road Land Ltd | Construction | 2022 |
| Northcott Land Ltd | Extraterritorial | 2010 |
| Northshore Bude Ltd | Households | 2021 |
| Norton Barton Artisan Food Village Ltd | Arts & recreation | 2018 |
| Nsansa Ltd | Professional & scientific | 2012 |
| Ocean Acoustic Developments Limited | Administrative & support | 1992 |
| Ocean Breeze Care Services Limited | Health & social care | 2024 |
| Ocean Potions Limited | Professional & scientific | 2001 |
| Oceanbreeze Laundry Ltd | Other services | 2021 |
| Oceanic Offshore Ltd | Professional & scientific | 2019 |
| Office Buddy Limited | Wholesale & retail | 2013 |
| OIL Masters Cornwall Ltd | Wholesale & retail | 2013 |
| Oily RAG Classics Ltd | Wholesale & retail | 2016 |
| Old Drovers Way Limited | Households | 2005 |
| Omicways Limited | Wholesale & retail | 1967 |
| Open House North Cornwall & West Devon Limited | Real estate | 2019 |
| Operational Excellence Consulting Limited | Professional & scientific | 2016 |
| Orchard Wellbeing C.I.C. | Health & social care | 2024 |
| Orchid Willows Ltd | Agriculture & fishing | 2009 |
| OUT N About Ltd | Administrative & support | 2018 |
| Outta Here Travel Limited | Administrative & support | 2011 |
| Ovation Consulting Limited | Information & communication | 1998 |
| Overcliffe Limited | Hospitality | 2020 |
| Oxford Bidding Services Ltd. | Administrative & support | 2014 |
| P & a Cholwill Limited | Agriculture & fishing | 2013 |
| P&L Property Limited | Real estate | 2008 |
| Page Pierce Limited | Professional & scientific | 2003 |
| Paper Dreams Limited | Wholesale & retail | 2019 |
| Parkgate ST Gennys Ltd | Financial services | 2016 |
| Parkpro Ltd | Professional & scientific | 2025 |
| Payment Industry Insights Limited | Professional & scientific | 2014 |
| Peak Performance Bude Ltd | Arts & recreation | 2025 |
| Peak Solaris Energy Limited | Energy | 2023 |
| Peake Management Ltd | Other services | 2024 |
| Pegasus Drone Solutions Ltd | Professional & scientific | 2025 |
| Pendragon Merchandise Limited | Information & communication | 2012 |
| Pendragon Tours Limited | Information & communication | 2020 |
| Peninsula Medical & Logistics Services Ltd | Health & social care | 2025 |
| Penleaze Farm Ltd | Agriculture & fishing | 2023 |
| Penleaze Green Energy Limited | Energy | 2013 |
| Penstowe Manor Limited | Construction | 2013 |
| Penwethers Management Company Ltd | Real estate | 2025 |
| PGR Property Development Ltd | Construction | 2001 |
| Philip Pepper Consulting Limited | Professional & scientific | 2015 |
| Phillips House Limited | Households | 2008 |
| PHM Investments Ltd | Financial services | 2025 |
| Phoenix Accounting Solutions Ltd | Professional & scientific | 2019 |
| Phoenix Art Cornwall Ltd | Wholesale & retail | 2024 |
| Physique Incubator Ltd | Education | 2023 |
| Pipeline Plumbing Southwest Ltd | Construction | 2011 |
| Piran Services Ltd | Construction | 2024 |
| Plumoso Developments Limited | Construction | 2025 |
| Polmorla Cornish Pasties Limited | Manufacturing | 2023 |
| Popti Ltd | Manufacturing | 2015 |
| Portugal Property Holsworthy Limited | Professional & scientific | 2002 |
| Possum Properties Limited | Real estate | 2022 |
| Postmaster Interim Ltd | Transport & logistics | 2019 |
| Postshipper Ltd | Wholesale & retail | 2019 |
| Potters Bude Ltd | Hospitality | 2020 |
| Potters Fish N Things Ltd | Hospitality | 2023 |
| Powick Interior Contracts Limited | Professional & scientific | 2018 |
| Pqbh Limited | Construction | 2020 |
| Prego Services Limited | Professional & scientific | 2019 |
| Premier Grade Cleaning Ltd | Administrative & support | 2017 |
| Primary Maths Club Limited | Education | 2024 |
| Priority Networking Ltd | Information & communication | 2025 |
| Private Chef SW Ltd | Hospitality | 2022 |
| Pro Gym Fitness Limited | Arts & recreation | 2024 |
| Pro-Law Conveyancing Ltd | Extraterritorial | 2017 |
| Probity Solutions Ltd | Professional & scientific | 2020 |
| Professional Law Services Limited | Professional & scientific | 2015 |
| Progress-Ed Consulting Limited | Education | 2026 |
| Proper Person Ltd | Arts & recreation | 2013 |
| Psmith Accountant Ltd | Professional & scientific | 2022 |
| Ptsd-Wordsmith Ltd | Arts & recreation | 2025 |
| Pulcharisma Ltd | Administrative & support | 2009 |
| Pureground Limited | Professional & scientific | 2024 |
| Pureol Limited | Wholesale & retail | 2020 |
| R a Harris Limited | Construction | 2002 |
| R a Rowe & Co. Ltd | Professional & scientific | 2006 |
| R-Wall Limited | Construction | 2018 |
| RAD Bude Ltd | Hospitality | 2026 |
| RAK Homes (SW) Ltd | Real estate | 2025 |
| Rakker Creative Ltd | Other services | 2024 |