| Nassau RTM Company Limited | Households | 2015 |
| Nasty Mode Records Ltd | Information & communication | 2023 |
| Nathan Spice Roofing and Leadwork Limited | Construction | 2014 |
| National Polymers Ltd | Wholesale & retail | 2023 |
| Native Outdoors Limited | Hospitality | 2017 |
| Natural Hoofcare Limited | Professional & scientific | 2005 |
| Navitas Surveyors Ltd | Professional & scientific | 2018 |
| ND Mechanical Ltd | Wholesale & retail | 2025 |
| NDA Rentals Limited | Real estate | 2012 |
| NDH Ventures Ltd. | Wholesale & retail | 1992 |
| Ndmc Associates Limited | Financial services | 2012 |
| Nest Business Coaching Limited | Professional & scientific | 2015 |
| New Green Leaf Limited | Professional & scientific | 2014 |
| New Reality Health Limited | Wholesale & retail | 2019 |
| New Wings Solutions Limited | Professional & scientific | 2020 |
| Newblueprintholistictherapy Ltd | Health & social care | 2023 |
| Newquay Coasteering Limited | Extraterritorial | 2023 |
| Nextec Medical UK Ltd | Professional & scientific | 2023 |
| NGA Electrical Engineering Ltd | Professional & scientific | 2011 |
| NHR 1 Ltd | Hospitality | 2026 |
| Nick and MEL Travel Ltd | Administrative & support | 2025 |
| Nick Sampson - Mechanical Engineering Services Limited | Manufacturing | 2004 |
| Nightblue Music Ltd | Information & communication | 2020 |
| Nijen Ltd | Real estate | 2019 |
| NL Styles Nail Ltd | Other services | 2021 |
| NNS Consulting Ltd | Wholesale & retail | 2020 |
| NO Bikes NO Bueno Ltd | Wholesale & retail | 2025 |
| NO Bull Electrical Ltd | Construction | 2025 |
| Noavli Property Services Ltd | Real estate | 2025 |
| Nodco Ltd. | Professional & scientific | 2005 |
| Nopinz Limited | Arts & recreation | 2013 |
| Norsworthy Vehicle Sales Limited | Wholesale & retail | 2025 |
| North Challacombe Farm Holidays Ltd | Hospitality | 2017 |
| North Coast Bars Limited | Hospitality | 2024 |
| North Coast Civils & Utility Ltd | Construction | 2025 |
| North Coast Marine Limited | Manufacturing | 2024 |
| North Coast Property Restorations Limited | Agriculture & fishing | 2022 |
| North Devon Accounts (Barnstaple) Ltd | Professional & scientific | 2021 |
| North Devon Against Domestic Abuse Limited | Health & social care | 2003 |
| North Devon Architects Ltd | Professional & scientific | 2019 |
| North Devon Barbershop Ltd | Other services | 2026 |
| North Devon Biosphere Enterprises Limited | Professional & scientific | 2024 |
| North Devon Childcare Limited | Education | 2011 |
| North Devon Christmas Trees Ltd | Wholesale & retail | 2015 |
| North Devon Cleaning & Property Services Ltd | Households | 2025 |
| North Devon Concrete Limited | Manufacturing | 2007 |
| North Devon Cove CIC | Health & social care | 2026 |
| North Devon Developments Limited | Construction | 2026 |
| North Devon DRY Lining Limited | Construction | 2022 |
| North Devon Electrical Services Ltd | Construction | 2021 |
| North Devon Flooring Limited | Construction | 2007 |
| North Devon Footcare Ltd | Health & social care | 2023 |
| North Devon Garage Door Services Limited | Construction | 2020 |
| North Devon Health Ltd | Health & social care | 2018 |
| North Devon Hospice | Health & social care | 1983 |
| North Devon Import Ltd | Wholesale & retail | 2022 |
| North Devon Leisure Motor Homes Ltd | Wholesale & retail | 2019 |
| North Devon Lettings Ltd | Real estate | 2021 |
| North Devon Marine Project Ltd | Professional & scientific | 2022 |
| North Devon Metalcraft Limited | Manufacturing | 2013 |
| North Devon Motor Club Limited | Arts & recreation | 2013 |
| North Devon Motorhomes Limited | Wholesale & retail | 2010 |
| North Devon Moving Image CIC | Information & communication | 2013 |
| North Devon MX Limited | Arts & recreation | 2021 |
| North Devon Orthopaedics Ltd | Health & social care | 2018 |
| North Devon Party Celebrations Ltd | Wholesale & retail | 2016 |
| North Devon Performance Tennis Limited | Education | 2024 |
| North Devon Picnic Benches Limited | Manufacturing | 2021 |
| North Devon Property Holdings Limited | Construction | 2019 |
| North Devon Property Management Ltd | Real estate | 2019 |
| North Devon Removals Ltd | Transport & logistics | 2023 |
| North Devon Roofing Ltd | Construction | 2022 |
| North Devon Sport in the Community CIC | Other services | 2023 |
| North Devon Voluntary Services Limited | Administrative & support | 2009 |
| Northstar Networks Limited | Construction | 2021 |
| Northwood (North Devon) Limited | Real estate | 2012 |
| Notski | Financial services | 2025 |
| NP Equestrian Limited | Arts & recreation | 2016 |
| NP Holidays Limited | Hospitality | 2016 |
| Npas Devon Limited | Professional & scientific | 2012 |
| Number 4 Taxi Ltd | Transport & logistics | 2025 |
| Nutriwell Vending Ltd | Hospitality | 2024 |
| Oakwood Court Owners Limited | Administrative & support | 1997 |
| Oasis Property Developments Limited | Construction | 2000 |
| Ocean Angler Ltd | Wholesale & retail | 2025 |
| Ocean Park Westward HO! Limited | Households | 2001 |
| Ocean Stay Services Ltd | Administrative & support | 2026 |
| Oceanside Property Developments Limited | Administrative & support | 2007 |
| Ocracoke Projects Limited | Professional & scientific | 2003 |
| Octane Digital Ltd | Information & communication | 2011 |
| Ocular Group Ltd | Financial services | 2025 |
| OFF Grid Life Ltd | Energy | 2023 |
| OIL Masters North Devon/Bristol Limited | Wholesale & retail | 2005 |
| OKM Building Surveys Ltd | Professional & scientific | 2026 |
| Old Guys Rule Ltd | Manufacturing | 2025 |
| Oleosophy Ltd | Wholesale & retail | 2026 |
| Olion Vending Limited | Wholesale & retail | 2025 |
| Olivers @ Bayview Ltd | Wholesale & retail | 2023 |
| Omnisworld.Org | Education | 2012 |
| On-A-Hill Garage Ltd | Wholesale & retail | 2003 |