| North Devon Mussels and Oysters Ltd | Wholesale & retail | 2024 |
| North Devon Pickleball CIC | Education | 2026 |
| North Devon Retreat Ltd | Real estate | 2025 |
| North Devon Soap Ltd | Manufacturing | 2019 |
| North Devon Storage Ltd | Transport & logistics | 2024 |
| North Devon Surf School Limited | Arts & recreation | 2022 |
| North Devon Surf Therapy CIC | Arts & recreation | 2023 |
| North Devon Tiling Ltd | Construction | 2016 |
| North Devon Trailers LLP | | 2022 |
| North Devon Travel Clinic Ltd | Health & social care | 2018 |
| North Devon Wake Park Limited | Education | 2014 |
| Northwave Engineering Ltd | Manufacturing | 2024 |
| Notts Holdings Ltd | Administrative & support | 2016 |
| Nova Surveyors Limited | Professional & scientific | 2018 |
| Noved Contractors Limited | Construction | 2017 |
| Nurture in Nature Children and Families CIC | Health & social care | 2022 |
| Nuvola Holdings Limited | Financial services | 2019 |
| O'Sullivan Contractors Ltd | Construction | 2017 |
| Oakland Barn Homes Limited | Construction | 2012 |
| Oakland Green Homes Limited | Construction | 1997 |
| Oakland Park Homes Limited | Construction | 1992 |
| Oaklands Bookkeeping Ltd | Professional & scientific | 2013 |
| OBK Land & Planning Ltd | Real estate | 2006 |
| OCB Construction North Devon Limited | Construction | 2025 |
| Ocean 51 Limited | Hospitality | 2024 |
| Ocean Kave Limited | Real estate | 2014 |
| OCR Consultancy Limited | Professional & scientific | 2024 |
| Odun Grange Ltd | Hospitality | 2017 |
| Odun Place Management Company Limited | Administrative & support | 2003 |
| Office for Contemporary Rural Architecture Ltd. | Professional & scientific | 2017 |
| Okeleigh Homes Ltd | Construction | 2024 |
| Old Friends SW Ltd | Health & social care | 2026 |
| OLM Capital Limited | Financial services | 2026 |
| ON the Books Limited | Professional & scientific | 2016 |
| Onyer Limited | Arts & recreation | 2020 |
| Onyer Sports Limited | Arts & recreation | 2020 |
| Orange Brick Road Limited | Information & communication | 2021 |
| Orbis Ecology Limited | Professional & scientific | 2018 |
| Orbmys Limited | Wholesale & retail | 2010 |
| Orchard Lodges Ltd | Real estate | 2014 |
| Orchardhay Ltd | Construction | 2019 |
| Orecharm Ltd | Wholesale & retail | 2026 |
| Orleigh Court Residents Association Limited | Households | 2008 |
| Orleigh Farms Limited | Agriculture & fishing | 1954 |
| Osborns Models Limited | Wholesale & retail | 2011 |
| Ostomy Life CIC | Health & social care | 2023 |
| Otis Assets Limited | Financial services | 2017 |
| OU Developments Limited | Construction | 2022 |
| OUR Farewell Ltd | Information & communication | 2026 |
| OUR Happy Place Ltd | Health & social care | 2021 |
| OUT of This World Events C.I.C. | Hospitality | 2020 |
| P & S Hockin Limited | Professional & scientific | 2013 |
| P O B Links Ltd | Wholesale & retail | 2005 |
| P.B.K. International Ltd. | Professional & scientific | 2006 |
| P.M. & J.E. Enterprises Ltd. | Construction | 1997 |
| Pahlsson Shipping Co Limited | Professional & scientific | 1988 |
| PAL Properties Devon Ltd | Real estate | 2024 |
| PAL Rental Ltd | Administrative & support | 2016 |
| Paladin Pest Control Services Limited | Administrative & support | 2013 |
| Pallatrax Angling International Ltd | Manufacturing | 2014 |
| PALMS34 Ltd | Hospitality | 2022 |
| PAN UP Limited | Professional & scientific | 2008 |
| Pangenic Ltd | Information & communication | 2017 |
| Parametric 3D Ltd | Professional & scientific | 2020 |
| Parkham Beef Limited | Agriculture & fishing | 2023 |
| Parking SMS Ltd | Information & communication | 2025 |
| Patch&Parrot Ltd | Hospitality | 2024 |
| Paul Childs General Builder Limited | Construction | 2018 |
| Paul Gent Holdings Limited | Financial services | 2025 |
| Paul Wilson Bricklayers Limited | Construction | 2016 |
| Paul Wilson Holdings Ltd | Financial services | 2024 |
| PBM (South West) Ltd | Construction | 2023 |
| PC Orthopaedics Limited | Health & social care | 2024 |
| PDM Aero Ltd | Professional & scientific | 2025 |
| Penny Creative Media Ltd | Information & communication | 2015 |
| People Development Specialists Limited | Professional & scientific | 2001 |
| PEP Bideford Ltd | Administrative & support | 2020 |
| Pepworth Construction Ltd | Construction | 2022 |
| Perceptive Observations Ltd | Professional & scientific | 2021 |
| Perfect Stays Limited | Other services | 2010 |
| Performance Tuning Ltd | Manufacturing | 2019 |
| PGM North Devon Ltd | Administrative & support | 2024 |
| PGS Computing Services Limited | Information & communication | 2009 |
| PH Olivier Chimney Sweep Ltd | Administrative & support | 2017 |
| Pharmaguard Consultancy Ltd | Professional & scientific | 2024 |
| Phelan MC Hugh Enterprises Limited | Hospitality | 2017 |
| Philip Price Surveyors Limited | Professional & scientific | 2005 |
| Phoenix Flooring (SW) Limited | Extraterritorial | 2018 |
| Phoenix Leisure Events Ltd | Administrative & support | 2007 |
| Pickard Moore Ltd | Professional & scientific | 2024 |
| Pillhead Limited | Professional & scientific | 2012 |
| Pinnacle Smile Ltd | Health & social care | 2025 |
| Pipelinenow Ltd | Administrative & support | 2026 |
| Pivot to Profit Ltd | Professional & scientific | 2019 |
| Pixel Motive Group Ltd | Professional & scientific | 2025 |
| PJR Water Quality Management Ltd | Manufacturing | 2015 |
| Plan a Scaffolding Limited | Construction | 2025 |
| Planet Moto Ltd | Arts & recreation | 2018 |
| Plant Movements Southwest Ltd | Construction | 2021 |
| Platinum ICT Solutions Ltd | Information & communication | 2012 |