| Meadrock Flooring Ltd | Wholesale & retail | 2025 |
| Merepond Ltd | Real estate | 2017 |
| Merrion Investments Ltd | Real estate | 2020 |
| Metis Associates Limited | Professional & scientific | 2009 |
| Michael Jordan Associates Limited | Professional & scientific | 2017 |
| Microchance Limited | Information & communication | 1988 |
| Midhurst and Easebourne Sports Community Management Co Ltd | Arts & recreation | 2012 |
| Midhurst Cafe Restaurant Ltd | Hospitality | 2024 |
| Midhurst CLT Limited | Construction | 2017 |
| Midhurst Construction Ltd | Construction | 2026 |
| Midhurst Horse Transport Ltd | Transport & logistics | 2021 |
| Midhurst Maritime Limited | Professional & scientific | 2008 |
| Midhurst Tailor Touch Ltd | Manufacturing | 2024 |
| Midhurst Tennis Club Ltd | Arts & recreation | 2023 |
| Midhurst Town Team Community Interest Company | Administrative & support | 2017 |
| Midhurst Vision Partnership CIC | Administrative & support | 2020 |
| Midhurst Youth Trust Holdings Limited | Education | 2013 |
| Milestone Car Sales Limited | Wholesale & retail | 2013 |
| Milestone Garage Limited | Wholesale & retail | 2025 |
| Milestone Property Holdings Limited | Real estate | 2015 |
| Mimovi Limited | Extraterritorial | 2008 |
| Mind the GAP Year Limited | Financial services | 2002 |
| Mindklip Limited | Information & communication | 2025 |
| Mini Explorers West Sussex Ltd | Education | 2022 |
| Minsted House Management Limited | Households | 1983 |
| Mole Canyon Ltd | Information & communication | 2024 |
| Monarchs Developments Ltd | Real estate | 2020 |
| Monarchs Property Management LLP | | 2021 |
| Moondale Developments Limited | Construction | 2000 |
| Morgan Pathology Limited | Professional & scientific | 2024 |
| Moss Meadow Management Company Limited | Households | 2022 |
| MPI Brokers (Northern) Ltd | Extraterritorial | 2019 |
| Mucosal Diagnostics Limited | Professional & scientific | 2012 |
| Murdoch Analysis Design Ltd | Information & communication | 2022 |
| Murray Planning Associates Ltd | Professional & scientific | 2011 |
| Natinvil Builders Limited | Construction | 1960 |
| Ndungu Kebbe Lodge Ltd | Arts & recreation | 2025 |
| Neorox Digital Ltd | Information & communication | 2015 |
| Nightingale Nomad Ltd | Real estate | 2024 |
| Niki Thomas Educational Consultancy Limited | Professional & scientific | 2006 |
| Nimrod Press Limited | Information & communication | 1984 |
| Noble and Stace Limited | Manufacturing | 2023 |
| Norman Road Estates Ltd | Households | 2019 |
| Northgate Mews Management Company Limited | Households | 2000 |
| Nylon Group Holdings Ltd | Professional & scientific | 2025 |
| Oak Technology Consulting Ltd | Information & communication | 2020 |
| Ocean Blue Fish and Chips Ltd | Hospitality | 2019 |
| OIL Fired Services Limited | Manufacturing | 2007 |
| Olivants Ltd | Agriculture & fishing | 2018 |
| Orlo Studio Limited | Information & communication | 2024 |
| Osborne Signs Ltd | Professional & scientific | 2014 |
| Owen Campbell Holdings Limited | Financial services | 2017 |
| P & P Management Limited | Professional & scientific | 2008 |
| Paddocks Polo Ltd | Administrative & support | 2023 |
| Paganmark Limited | Households | 1986 |
| Palisa Limited | Professional & scientific | 2015 |
| PAN Artisan Ltd. | Manufacturing | 2006 |
| Parrett Lettings Limited | Real estate | 2022 |
| PBF Equine Management Limited | Other services | 2019 |
| PCL Property Limited | Real estate | 2006 |
| Penrhos (Midhurst) Residents Association Limited | Real estate | 1988 |
| Perfect Motion Physio Ltd | Other services | 2019 |
| Peter Devlin IT Consulting Limited | Information & communication | 2017 |
| Phaedra Consultants Limited | Professional & scientific | 2002 |
| Phils Properties Ltd | Real estate | 2024 |
| Photo Sales (U.K.) Limited | Professional & scientific | 1989 |
| Phytoceutical Limited | Manufacturing | 1998 |
| Pingz Limited | Manufacturing | 2025 |
| Pivot Offshore Design Limited | Professional & scientific | 2023 |
| Pizza Hot Grill Ltd | Hospitality | 2021 |
| Plan 2 Perform Limited | Education | 2004 |
| Polo Support Services Limited | Administrative & support | 2006 |
| Porter Heating Ltd | Construction | 2013 |
| Poultry Welfare Trust Limited | Information & communication | 1997 |
| Pravdha Ltd | Real estate | 2025 |
| Prinia Consulting LLP | | 2015 |
| Priors Wood PR Limited | Extraterritorial | 2014 |
| Pro-Tec Security Management Limited | Administrative & support | 2004 |
| Professional Voice Overs Ltd | Information & communication | 2020 |
| Propeller Law LLP | | 2018 |
| Proresource Ltd | Administrative & support | 2007 |
| Pure Shine Pro Cleaning Ltd | Administrative & support | 2025 |
| R. Shears & Co Ltd | Professional & scientific | 2005 |
| Race Engineering Solutions Ltd | Professional & scientific | 2019 |
| Railway Systems Consultants Limited | Transport & logistics | 1994 |
| Rankeilour Commercial 1 LLP | | 2017 |
| Rankeilour Commercial 5 LLP | | 2024 |
| Rankeilour Investments Limited | Financial services | 2016 |
| Rankeilour Properties Limited | Real estate | 2019 |
| Raymed Limited | Agriculture & fishing | 1995 |
| RE. Racing Limited | Arts & recreation | 2023 |
| Red Kite Move Consultancy Ltd | Wholesale & retail | 2025 |
| Regency House Owners ( Midhurst) Limited | Real estate | 2018 |
| Reliance Horse Transport Ltd | Transport & logistics | 2013 |
| Remane Gems Limited | Wholesale & retail | 2005 |
| Reshape Nutrition and Wellness Ltd | Arts & recreation | 2025 |
| Rest Assured Security Limited | Administrative & support | 2018 |
| Restoration Developments Limited | Construction | 2003 |
| Retiarius Systems Limited | Professional & scientific | 2020 |
| RHD Contractors Limited | Administrative & support | 2022 |