| Make Your Difference Limited | Professional & scientific | 2020 |
| Mariya Dykalo Ltd | Professional & scientific | 2024 |
| Marlborough House Developments Limited | Households | 1996 |
| Marley Flowers Ltd | Wholesale & retail | 2012 |
| Marriners Farm LLP | | 2019 |
| Martinel Limited | Construction | 2015 |
| Martom Farms Ltd | Agriculture & fishing | 2019 |
| Mary Mary Ltd | Wholesale & retail | 2022 |
| Massey-Oldham Business Services Ltd | Information & communication | 2009 |
| Matthew Carrig Sound Engineer Limited | Arts & recreation | 2014 |
| Mayfair Capital and Advisory Limited | Professional & scientific | 2017 |
| MB Painting Limited | Construction | 2024 |
| Mbatjiuandjavera Limited | Health & social care | 2025 |
| Mckie Evolve Ltd | Construction | 2025 |
| Mckie Group Holdings Ltd | Professional & scientific | 2025 |
| Mclaren Refrigeration Services Limited | Construction | 2011 |
| Mcmichael & Simpson Limited | Hospitality | 2013 |
| Mead Matters Limited | Hospitality | 2015 |
| Meadowvest Limited | Professional & scientific | 2012 |
| Media Creative Consultancy Ltd | Information & communication | 2023 |
| Melos Education Limited | Financial services | 2024 |
| Mensos Limited | Administrative & support | 2015 |
| Meon Screen Limited | Information & communication | 2017 |
| Meri (UK) Limited | Transport & logistics | 2004 |
| Midhurst CT Liphook Management Company Limited | Households | 2025 |
| Midhurst Road Residents Association (Liphook) Limited | Households | 1984 |
| Millers Brook (Sheet) Management Limited | Households | 2017 |
| Mimoja Ltd | Professional & scientific | 2021 |
| Mineral Rich Ltd | Professional & scientific | 2024 |
| Mini Land Farm Ltd | Arts & recreation | 2016 |
| Miniland Therapeutics CIC | Education | 2024 |
| Mitre Court Residents Association Limited | Households | 2006 |
| MJD Property Investment Limited | Real estate | 2021 |
| Mokomiro Limited | Wholesale & retail | 2014 |
| Momentum Retail Consulting Limited | Professional & scientific | 2020 |
| Monarch Hairdressing Ltd | Other services | 2024 |
| Moodies (Leisure) Limited | Hospitality | 1979 |
| Moore's Machinery Ltd | Manufacturing | 2019 |
| Mortimer Leman International Limited | Extraterritorial | 1996 |
| Mothergood Careers Ltd | Administrative & support | 2025 |
| Mountz Torque Limited | Manufacturing | 2020 |
| MR Hvac Ltd | Manufacturing | 2025 |
| Multibends Limited | Manufacturing | 1957 |
| Multibends Upholstery and Soft Furnishings Limited | Manufacturing | 1991 |
| Naturally Sassy Ltd | Other services | 2015 |
| Neuroscience Coaching Centre Ltd | Professional & scientific | 2018 |
| Nevin & Wells Estates Ltd | Real estate | 2019 |
| Nevin & Wells Residential Ltd | Real estate | 2014 |
| New Signage Installs Ltd | Construction | 2025 |
| Newtown Secretariat Limited | Administrative & support | 2004 |
| NHA Limited | Professional & scientific | 2025 |
| Nick Creasey Ltd | Construction | 2015 |
| Nightingale Farm Limited | Construction | 2020 |
| Nilpert Solutions Limited | Households | 2021 |
| NJB Builders Ltd | Extraterritorial | 2014 |
| North Downs Property Services Limited | Extraterritorial | 2016 |
| Northcote Villas (Liphook) Management Limited | Administrative & support | 2016 |
| Novia Homes Ltd | Hospitality | 2017 |
| NU Retreats Ltd | Administrative & support | 2022 |
| Number One the Square Ltd | Wholesale & retail | 2023 |
| Nummy Foods Ltd | Manufacturing | 2018 |
| Octix One Limited | Professional & scientific | 2020 |
| Office Design Classics Ltd | Wholesale & retail | 2025 |
| OHM Wellbeing Limited | Health & social care | 2017 |
| Oilnav Ltd | Transport & logistics | 2014 |
| OJW Foss Consulting Limited | Professional & scientific | 2024 |
| Old Albert Mews Residents Association Limited | Households | 2022 |
| Old Museum Court (Haslemere) Management Limited | Households | 1983 |
| OLI Carter Adventurous Joinery Ltd | Manufacturing | 2022 |
| Olstad 12 Properties Limited | Real estate | 2011 |
| Omantravel Ltd | Administrative & support | 2002 |
| One SIX Events Limited | Construction | 2016 |
| Orange Street Technology Ltd | Information & communication | 2026 |
| Orchard Farm (Liphook) Management Company Limited | Households | 2016 |
| Order Coffee Online Ltd | Wholesale & retail | 2014 |
| ORG Property Solution Ltd | Real estate | 2025 |
| Ormer Properties Limited | Professional & scientific | 2005 |
| Osborne Place (Liphook) Management Company Limited | Households | 2015 |
| Osbornes Courtyard Limited | Professional & scientific | 2001 |
| Ossesi Ltd | Professional & scientific | 2024 |
| OUR True Colours Limited | Education | 2025 |
| OVM International Ltd | Transport & logistics | 2016 |
| P Dickinson Ltd | Professional & scientific | 2015 |
| P&J Bowman Ltd | Professional & scientific | 2016 |
| P1 World LLP | | 2009 |
| PAL & Dino Ltd | Wholesale & retail | 2025 |
| Palm Vacations Ltd | Administrative & support | 2020 |
| Panthera Estate Planning Ltd | Professional & scientific | 2015 |
| Panthera Life Ltd | Financial services | 2020 |
| Part and Parcel Courier Limited | Transport & logistics | 2012 |
| Passfield Business Centre Limited | Real estate | 2005 |
| Passfield Enterprise Centre Limited | Construction | 2024 |
| Paul's Help Ltd | Construction | 2023 |
| PBH Psychology Ltd | Education | 2025 |
| Peggy’S Sweet Picks Ltd | Wholesale & retail | 2025 |
| Pemberton Laboratories (UK) Limited | Administrative & support | 2019 |
| Penlan Healthcare Limited | Manufacturing | 2002 |
| Penlan Pharmaceuticals Limited | Wholesale & retail | 2011 |
| Penny Mile Management Company Limited | Households | 2023 |
| Perception Web Design Limited | Information & communication | 2012 |