| Myles Stenlake Consultancy Ltd | Information & communication | 2017 |
| N B F Property Holdings Limited | Construction | 2025 |
| National Homelessness Property 2 Limited Partnership | | 2020 |
| National Homelessness Property Fund Limited Partnership | | 2015 |
| Native Burger Cornwall Ltd | Hospitality | 2024 |
| Native Burger Ltd | Hospitality | 2024 |
| Naughty Goose Limited | Information & communication | 2013 |
| ND Assist Ltd | Health & social care | 2023 |
| NDW Developments Ltd | Construction | 2020 |
| Nesw Cleaning Recruitment Ltd | Administrative & support | 2025 |
| Newton Farm (Tavistock) Ltd | Agriculture & fishing | 2015 |
| NKC Plumbing & Heating Ltd | Construction | 2022 |
| NO 2 Western Road Management Limited | Households | 2003 |
| NO LOW Ventures Limited | Manufacturing | 2024 |
| Norrin Radd Limited | Information & communication | 2016 |
| North C Ornwall Bottle GAS Ltd | Wholesale & retail | 2025 |
| North Cornwall Festival C.I.C. | Arts & recreation | 2019 |
| North Cornwall Landscaping Ltd | Construction | 2002 |
| North Petherwin Barton Management Company Limited | Households | 1994 |
| Northgate Mews (Launceston) Management Company Limited | Households | 2010 |
| NVS Sales Ltd | Other services | 2025 |
| Oakwood Project Management Limited | Professional & scientific | 2024 |
| Oasis Ambulance Services Ltd | Transport & logistics | 2025 |
| Oasis Community Care Ltd | Real estate | 2004 |
| Ocean Angel Ltd | Information & communication | 2024 |
| Ocean Heating Ltd | Construction | 2007 |
| Odara Investment Limited | Real estate | 2021 |
| OEP3 Limited | Professional & scientific | 2004 |
| Oikos Company Holdings Ltd | Financial services | 2024 |
| Oikos Properties SW Ltd | Real estate | 2024 |
| Old Chapel Flats PMC Ltd | Households | 2022 |
| Olive Tree Bude Ltd | Hospitality | 2021 |
| Olshas Limited | Real estate | 2025 |
| Omen & Scripture Limited | Hospitality | 2024 |
| Omnia Privatus Limited | Administrative & support | 2018 |
| Onside Edge Ltd | Information & communication | 2025 |
| Orbital Electrical Services LLP | | 2019 |
| Oriel Ministries | Education | 2009 |
| ORIGAE-6 Ltd | Information & communication | 2023 |
| Original BEN Broadcasting Ltd | Information & communication | 2021 |
| Otter Properties Limited | Arts & recreation | 1983 |
| OUI Chef Ltd | Hospitality | 2024 |
| OUT N About Horse Limited | Transport & logistics | 2016 |
| Ozonix Ltd | Manufacturing | 2025 |
| P Bluett Limited | Construction | 2015 |
| Painters Paradise Ltd | Wholesale & retail | 2024 |
| Pampa Home Ltd | Construction | 2023 |
| Panda Home 8 Ltd | Hospitality | 2026 |
| Panda House Limited | Hospitality | 2020 |
| Pard UK Limited | Wholesale & retail | 2024 |
| Park Independents Limited | Wholesale & retail | 2013 |
| Parker Woodhouse Limited | Agriculture & fishing | 2002 |
| Parkway Estate Agents Limited | Real estate | 2012 |
| Parnall Aircraft Company Limited | Manufacturing | 2018 |
| Parnall Bio-Engineering Ltd | Professional & scientific | 2017 |
| Parnall Engineering Advanced Limited | Professional & scientific | 2015 |
| Parnall Foundation Limited | Education | 2015 |
| Parnall Group Limited | Financial services | 2013 |
| Parnall Marine Limited | Professional & scientific | 2018 |
| Parnall Properties Services Limited | Real estate | 1985 |
| Parnalls Solicitors Limited | Professional & scientific | 2000 |
| Parnham Restaurant Group Limited | Hospitality | 2024 |
| Patisserie Express Limited | Manufacturing | 2001 |
| Paul Deeley Creative Limited | Professional & scientific | 2023 |
| Peak Automotive Ltd | Wholesale & retail | 2024 |
| Pendragon Nursing Home Ltd | Health & social care | 2025 |
| Pendruccombe Gardens Management Company Limited | Households | 2004 |
| Penhale Gardens Management Company Limited | Households | 2022 |
| Penhaligon Consulting Limited | Professional & scientific | 2002 |
| Penheale Home Farm Dairy | | 1991 |
| Peninsula Accountants LLP | | 2011 |
| Peninsula Medics Ltd | Health & social care | 2021 |
| Pennygillam Print Holdings Limited | Financial services | 2018 |
| Pennygillam Properties Limited | Real estate | 2019 |
| Pennygillam Tyre Centre Ltd | Wholesale & retail | 2024 |
| Pentargon Architecture Ltd | Professional & scientific | 2009 |
| Peredur Trust | Administrative & support | 1980 |
| Perillia Ltd | Professional & scientific | 2011 |
| Peter Brown & Associates Limited | Professional & scientific | 2003 |
| PFD NDT Ltd | Manufacturing | 2025 |
| PG Electrical Limited | Construction | 2014 |
| Philip Warren & SON Ltd | Wholesale & retail | 2002 |
| Philoxenia Living Ltd | Health & social care | 2026 |
| Phoenix Blinds (SW) Limited | Construction | 2023 |
| Phoenix Flooring Devon Limited | Professional & scientific | 2020 |
| Phoenix Interiors (SW) Ltd | Construction | 2009 |
| Physio-Fix Limited | Health & social care | 2004 |
| Phytome Life Sciences PLC | Professional & scientific | 2023 |
| Phytome Nutraceuticals Limited | Manufacturing | 2018 |
| Phytome Research Limited | Professional & scientific | 2018 |
| PJD Construction Limited | Construction | 2005 |
| PJM Accountancy (South West) Limited | Professional & scientific | 2012 |
| Place Architects Limited | Professional & scientific | 1995 |
| Plan View Assessment Solutions Ltd. | Professional & scientific | 2015 |
| Playing Field Gardens Management Company Limited | Households | 2022 |
| Plymouth Industries and Wharfage,Limited | Wholesale & retail | 1948 |
| Plymouth Vein Clinic Limited | Health & social care | 2017 |
| PMK Iwatsu UK Ltd | Manufacturing | 2024 |
| Polson Farm Limited | Agriculture & fishing | 2023 |
| Poppy Rose Limited | Real estate | 2017 |