| Lowenva Ltd | Real estate | 2012 |
| Lower Elms Tredrizzick Management Company Limited | Professional & scientific | 1998 |
| Lower Ninestones Solar PV Ltd | Energy | 2015 |
| Lucy ORR Interiors Limited | Manufacturing | 2017 |
| Lucys World Limited | Arts & recreation | 2013 |
| Luke & Dingle Limited | Construction | 2013 |
| Lullababy Ltd | Wholesale & retail | 2025 |
| Lush Liquids Limited | Wholesale & retail | 2025 |
| Luxury Uptown Estates Limited | Real estate | 2025 |
| M J Philp Carpentry and Joinery Limited | Construction | 2024 |
| M Richards & SON Limited | Transport & logistics | 2009 |
| M W Halliday Associates Limited | Professional & scientific | 2003 |
| Mably Dairies Limited | Agriculture & fishing | 2020 |
| Macmillans Solicitors LLP | | 2013 |
| MAD Water Sports Ltd | Wholesale & retail | 2020 |
| Magic Brix Enterprises Ltd | Wholesale & retail | 2026 |
| Malmo Group Limited | Health & social care | 2022 |
| MAN on Two Wheels Limited | Arts & recreation | 2015 |
| Mapping Your Travel Ltd | Administrative & support | 2021 |
| Marcel Rodrigues Interiors Ltd | Wholesale & retail | 2021 |
| Mariners Lettings Limited | Hospitality | 2001 |
| Mariners Rock Limited | Hospitality | 2001 |
| Mark Lawrence Consultancy Limited | Financial services | 2017 |
| Matt Caddy Property Ltd | Real estate | 2026 |
| Matthews Plant (Cornwall) Limited | Agriculture & fishing | 1998 |
| Mavriks Group Ltd | Hospitality | 2019 |
| MAY Parc Developments Limited | Construction | 2024 |
| Mayes Burgess Property Ltd | Extraterritorial | 2011 |
| MBP Leisure Ltd | Hospitality | 2025 |
| MC Safeguarding Consulting Ltd | Professional & scientific | 2023 |
| Mcwilliams and SON Limited | Construction | 2021 |
| Medella Health Ltd | Other services | 2014 |
| Melbourne Winwell Ltd | Administrative & support | 2026 |
| Menague Residents' Association Limited | Extraterritorial | 2013 |
| Menhenitt & Prior Limited | Real estate | 1969 |
| Menhenitt and Prior (Properties) Limited | Real estate | 1983 |
| Menhenitt Prior and Co. Limited | Construction | 1988 |
| Merricks Solicitors Limited | Professional & scientific | 2015 |
| Mesmear Management Company Limited | Households | 2020 |
| Mesmear of Polzeath Ltd | Hospitality | 2020 |
| Mike Open Services Ltd | Professional & scientific | 2016 |
| Mill Valley Limited | Administrative & support | 2017 |
| Mill-Turn Precision Ltd | Professional & scientific | 2023 |
| Millard & FLO Limited | Professional & scientific | 2011 |
| Milos World Ltd | Wholesale & retail | 2023 |
| Mine & Quarry Services Limited | Professional & scientific | 2019 |
| Mintfit Leisure Limited | Transport & logistics | 2021 |
| Miso Systems Limited | Information & communication | 2014 |
| MMC Southern Limited | Mining & quarrying | 2007 |
| Morris Trice Associates Ltd | Financial services | 2008 |
| Morsol Limited | Energy | 2014 |
| Mortys Group Ltd | Hospitality | 2024 |
| Music Water Touring Park Ltd | Hospitality | 2021 |
| Mythological Hotels Ltd | Professional & scientific | 2000 |
| Nabla Space Limited | Financial services | 2022 |
| Nant Bach Turbine Limited | Energy | 2016 |
| Negys Gorthybow Limited | Professional & scientific | 2010 |
| NET Education Consultancy Ltd | Education | 2023 |
| NET Zero Consulting Ltd | Professional & scientific | 2023 |
| Newhall Energy Limited | Energy | 2013 |
| Nexora Security Ltd | Administrative & support | 2025 |
| Nexum Nova Ltd | Wholesale & retail | 2025 |
| Ngma Ltd | Education | 2022 |
| Nice & Easy Cards Limited | Extraterritorial | 2010 |
| Nick Shelley Electrical Limited | Construction | 2014 |
| Nicki Morris Mortgages Ltd | Financial services | 2018 |
| Nigel Northcott Ltd | Construction | 2008 |
| Nina Brooke Ltd | Arts & recreation | 2017 |
| NO. 6 Living Ltd | Wholesale & retail | 2022 |
| Nomad Outreach Ltd | Professional & scientific | 2026 |
| Nooboo Limited | Wholesale & retail | 2003 |
| North Coast Engineering Limited | Professional & scientific | 2023 |
| North Coast Tile Company Limited | Wholesale & retail | 2022 |
| North Cornwall Coast Ltd | Health & social care | 2020 |
| Northshore Decorators Ltd | Construction | 2019 |
| Northshore Design Limited | Construction | 2003 |
| Novotel Limited | Administrative & support | 2005 |
| Novus Floors Ltd | Construction | 2024 |
| Nursery Stores Rock Ltd | Wholesale & retail | 2011 |
| Ocean Blue Clothing Limited | Wholesale & retail | 2002 |
| Old Girls School (Wadebridge) Management Company Limited | Administrative & support | 2011 |
| Ondasix Ltd | Information & communication | 2026 |
| OS2 Limited | Construction | 2008 |
| Outcraft Limited | Professional & scientific | 2022 |
| P C Moore Accountants Limited | Professional & scientific | 2013 |
| P L Culverhouse Media Ltd. | Manufacturing | 2002 |
| P M Rigby Consulting Limited | Administrative & support | 2003 |
| P.A. Bott Construction Limited | Construction | 2006 |
| Padstow Carpentry & Building Ltd | Construction | 2022 |
| Padstow Cheese Company Limited | Manufacturing | 2016 |
| Padstow Gallery Ltd | Wholesale & retail | 2017 |
| Padstow Parking Ltd | Transport & logistics | 2021 |
| Padstow Sea Sand Ltd | Mining & quarrying | 2025 |
| Padstow Vehicle Services Ltd | Wholesale & retail | 2026 |
| Padstowfood CIC | Wholesale & retail | 2023 |
| Paradise Collective CIC | Professional & scientific | 2021 |
| Paradise Pizza Polzeath Limited | Hospitality | 2021 |
| Park Chambers Practice Limited | Health & social care | 2006 |
| Partybash Limited | Wholesale & retail | 2022 |
| Patient Perspective Limited | Professional & scientific | 2006 |