| Maerose Lodge Consultancy Limited | Professional & scientific | 2023 |
| Maerose Lodge Ltd | Other services | 2018 |
| Maerose Lodge Luxury Boarding Ltd | Other services | 2024 |
| Magical BED Design Limited | Professional & scientific | 2017 |
| Main Space Media Ltd | Professional & scientific | 2021 |
| Making Waves Theatre Company Limited | Arts & recreation | 2019 |
| MAN at Work C.I.C. | Education | 2023 |
| Manci Amma Ltd | Hospitality | 2023 |
| Many Hands Solutions Ltd | Professional & scientific | 2022 |
| Markoff Productions Ltd | Information & communication | 2022 |
| Marlon's Kitchen Ltd | Hospitality | 2015 |
| Martin P Contracts Ltd | Transport & logistics | 2017 |
| Matchplay Games Ltd | Information & communication | 2010 |
| Maubach Consulting Ltd | Professional & scientific | 2023 |
| Mayfly Property Services Ltd | Construction | 2020 |
| Mayman Design Limited | Information & communication | 2009 |
| Maypole Film Limited | Information & communication | 2014 |
| MB Building & Demolition Services Ltd | Construction | 2014 |
| MEI SUM Bewdley Ltd | Hospitality | 2024 |
| MEN at Work 2025 Ltd | Education | 2025 |
| MGS Construction & Maintenance Ltd | Construction | 2022 |
| Miad Group Limited | Financial services | 2023 |
| Miad Parks Limited | Financial services | 2025 |
| Midland Markets & Marshals Limited | Public administration | 2019 |
| Midland Roofs Limited | Construction | 2018 |
| Migratia Solutions Ltd | Information & communication | 1998 |
| Mill House Financial Services Ltd | Financial services | 2005 |
| MJH Vision & Data Ltd | Construction | 2023 |
| MJS Developments (Midlands) Limited | Construction | 2017 |
| MMP Consulting Limited | Professional & scientific | 2003 |
| Molecular Coatings & Linings Limited | Construction | 2014 |
| Mooch Gifts and Home (Bewdley) Ltd | Wholesale & retail | 2016 |
| MT Heating & Building Services Limited | Construction | 2013 |
| Myasbestossample.Com Ltd | Wholesale & retail | 2025 |
| Mysign.Co.Uk Group Limited | Information & communication | 2025 |
| N J W Plumbing and Heating Limited | Construction | 2023 |
| Neafren Investments Limited | Financial services | 1986 |
| Next GEN Studios Limited | Information & communication | 2024 |
| Nick Tandy Ltd | Professional & scientific | 2019 |
| Nine River Productions Ltd | Arts & recreation | 2022 |
| NMC Estate Agents Limited | Real estate | 2009 |
| Northern Flexihire Solutions Limited | Wholesale & retail | 2012 |
| Nothing Bound Brewing Co Ltd | Manufacturing | 2018 |
| Novo Resources Limited | Information & communication | 2000 |
| Nucleotide Nutrition Ltd | Wholesale & retail | 2011 |
| NUM Lock Solutions Limited | Information & communication | 2019 |
| Nutone Interiors Ltd | Construction | 2019 |
| O L Electrical Limited | Extraterritorial | 2014 |
| Oakfield Consortium Limited | Financial services | 2018 |
| OAS Enterprise Ltd | Wholesale & retail | 2024 |
| Olive and Plum Academy Ltd | Education | 2025 |
| Only Sheds and Summer Houses Limited | Manufacturing | 2021 |
| Opalsec (London) Limited | Administrative & support | 2018 |
| Opulence Band Ltd | Arts & recreation | 2023 |
| Origin Health Intelligence Ltd | Health & social care | 2024 |
| Oris Packaging Innovations (UK) Limited | Administrative & support | 2013 |
| Orkeflex Limited | Information & communication | 2026 |
| OSTEO2YOU Ltd | Health & social care | 2013 |
| Outlaws Barbers Ltd | Other services | 2025 |
| P.N.G. Limited | Professional & scientific | 1930 |
| P.S. Electrical Services (1998) Ltd | Professional & scientific | 1998 |
| Packtivist Investment Group Ltd | Administrative & support | 2024 |
| Paisley at 106 Limited | Hospitality | 2024 |
| Paris Consulting Ltd | Information & communication | 2008 |
| Park Alley Freehold Limited | Real estate | 2025 |
| Park Farms Bewdley Limited | Water & waste | 1996 |
| Parker Properties HJP Limited | Hospitality | 2025 |
| Parly Consulting Limited | Information & communication | 2010 |
| Parsons Trading Limited | Wholesale & retail | 2012 |
| Parweld Limited | Wholesale & retail | 1972 |
| Passey Food Limited | Hospitality | 2021 |
| Patjo Print Limited | Manufacturing | 2013 |
| Paton Consulting Limited | Information & communication | 1999 |
| PCS Power Limited | Manufacturing | 2014 |
| Pearl & SOL Ltd | Manufacturing | 2025 |
| PEN & Pixel Media Ltd | Professional & scientific | 2018 |
| Pencroft Earthmoving Limited | Water & waste | 2017 |
| Penn Property & Accountancy Services Limited | Professional & scientific | 2017 |
| Pennovate Ltd | Professional & scientific | 2016 |
| Perry Boat Alterations’S Ltd | Manufacturing | 2021 |
| PFD Skis Limited | Manufacturing | 2019 |
| Phillings Ltd | Hospitality | 2024 |
| Pink Street Ltd | Manufacturing | 2011 |
| Pinner CJ Ltd | Arts & recreation | 2015 |
| Pinpoint Consultancy Limited | Information & communication | 1999 |
| Pitchpixels Limited | Professional & scientific | 2021 |
| Plantain Vintage Limited | Wholesale & retail | 2024 |
| Plastic Mould Tools Limited | Manufacturing | 2006 |
| Platt Consulting Ltd | Financial services | 2015 |
| PMG Refurbishments Ltd | Construction | 2025 |
| Positive Intention Ltd | Extraterritorial | 2012 |
| Potgrove Developments Limited | Real estate | 2011 |
| Povas Ltd | Information & communication | 2017 |
| Precision CNC Design Limited | Professional & scientific | 2018 |
| Printtable Limited | Manufacturing | 2016 |
| Prosafe Asbestos Removal Ltd | Transport & logistics | 2025 |
| Pump Court Limited | Other services | 1997 |
| Purposeful & Progressive Social Work Ltd | Administrative & support | 2025 |
| Puuc Architecture Limited | Professional & scientific | 2022 |
| Puuc Limited | Other services | 2015 |