| Mrandmrsaj Ltd | Hospitality | 2025 |
| MRC Restorations Ltd | Wholesale & retail | 2016 |
| MS Online Limited | Wholesale & retail | 2025 |
| MTF Solutions Limited | Arts & recreation | 2014 |
| Muddy Boots Ground Care CIC | Administrative & support | 2016 |
| Muntjac Communications Limited | Professional & scientific | 2019 |
| Muskett Consultants Limited | Professional & scientific | 2019 |
| My Netball Ltd | Wholesale & retail | 2020 |
| Myddelton Property Management Limited | Real estate | 2005 |
| Mythsmakers Ltd | Transport & logistics | 2019 |
| N & T Transport Ltd | Transport & logistics | 2025 |
| N a Property (Kidderminster) Limited | Real estate | 2019 |
| N. Haque Partnership Limited | Construction | 2012 |
| N. Nardini Limited | Health & social care | 2023 |
| NA Electrical (Kidderminster) Limited | Construction | 2014 |
| Namaste Taste of Asia Limited | Hospitality | 2023 |
| Nashdecor Ltd | Construction | 2019 |
| National Fire Solutions Limited | Public administration | 2017 |
| Navid Jallali Ltd | Real estate | 2021 |
| Needs More Robots Limited | Information & communication | 2016 |
| Neil R Davies Limited | Administrative & support | 2013 |
| Neptune Learn to Swim Limited | Arts & recreation | 2013 |
| Nerephise Ltd | Transport & logistics | 2019 |
| Neskira Ltd | Wholesale & retail | 2018 |
| Ness Aesthetics Limited | Health & social care | 2021 |
| Ness Skin Limited | Wholesale & retail | 2026 |
| Nest Developments Limited | Construction | 1988 |
| New Noggin Topco Limited | Professional & scientific | 2015 |
| Newhaven Property Services (Worcester) Limited | Real estate | 1999 |
| Nexus 4X4 Specialists Ltd | Manufacturing | 2021 |
| Nexus Informatik Limited | Information & communication | 1997 |
| Nfac Consultancy Ltd | Professional & scientific | 2023 |
| NGE Services (Kidderminster) Ltd | Other services | 2020 |
| Nick Craw Limited | Health & social care | 2019 |
| Nick Locks Ltd | Construction | 2014 |
| Nigel Jordan Transport Ltd | Transport & logistics | 2013 |
| Nikki's Hair Salon Ltd | Other services | 2014 |
| Nikki's Nail & Brow Bar Limited | Other services | 2018 |
| NJC Property Investments Ltd | Real estate | 2019 |
| NJD Electrical Installations Ltd | Manufacturing | 2023 |
| NJK Building & Maintenance Limited | Construction | 2009 |
| NMB Heat Pumps Limited | Construction | 2023 |
| NO More Solo Limited | Information & communication | 2023 |
| NO.19 Laboratory Ltd | Health & social care | 2012 |
| Noblecloak Ltd | Administrative & support | 2019 |
| Nock Property Ltd | Real estate | 2024 |
| Nohrmak Ltd | Wholesale & retail | 2018 |
| NOJ Ltd | Hospitality | 2019 |
| Noms PMF Ltd | Wholesale & retail | 2025 |
| Norchard Barns Management Company Limited | Households | 2021 |
| Norchard Property Investments Limited | Construction | 2026 |
| Norgrove Sales & Lettings Ltd | Real estate | 2015 |
| Northmen Security Consultants and Agency Ltd | Other services | 2022 |
| Novare Building Services (UK) Limited | Construction | 2019 |
| NOW INK Ltd | Wholesale & retail | 2012 |
| NSR Construction Limited | Construction | 2014 |
| NST International Ltd | Wholesale & retail | 2015 |
| Nsthc Limited | Health & social care | 2014 |
| Number 10 Accounting Limited | Professional & scientific | 2013 |
| Nusceidon Ltd | Transport & logistics | 2019 |
| NW Tree and Landscape Services Ltd | Administrative & support | 2024 |
| O'Toole and Co Ltd | Construction | 2025 |
| O4 Fitted Kitchens Limited | Construction | 2017 |
| Oak Leisure (Worcestershire) Ltd | Hospitality | 2023 |
| Oasis Distribution UK Limited | Wholesale & retail | 2019 |
| Ocean Hygiene Systems Ltd | Extraterritorial | 2014 |
| Offender Manager Expertise Ltd | Public administration | 2020 |
| Office Glass Limited | Construction | 2023 |
| OH Physician Services Ltd | Health & social care | 2007 |
| OH Resolutions Limited | Health & social care | 2011 |
| Old Court Properties Limited | Real estate | 2015 |
| Onbike Limited | Wholesale & retail | 2008 |
| Op-Chain Ltd | Professional & scientific | 2020 |
| Ophion Consulting Ltd | Professional & scientific | 2022 |
| Optimised Networking Ltd | Information & communication | 2025 |
| Orchard Court Residents Management Company Ltd | Households | 2023 |
| Orka Productions Ltd | Professional & scientific | 2021 |
| Otfm Ltd | Information & communication | 2018 |
| Overton Services Ltd | Construction | 2019 |
| Ozomon Ltd | Wholesale & retail | 2019 |
| P&L Harman Limited | Financial services | 2013 |
| P.D.S Electrical Limited | Construction | 2010 |
| P.V.C. Limited | Real estate | 1992 |
| P5 Automation Limited | Information & communication | 2015 |
| Pallas Consulting Services Ltd | Professional & scientific | 2023 |
| PAP Antiques & Restoration Ltd | Wholesale & retail | 2019 |
| Parker Davies (2013) Limited | Arts & recreation | 2013 |
| Parker Davies Properties Limited | Real estate | 2020 |
| Pathologyexperts Limited | Health & social care | 2022 |
| Paul Vince Solutions Ltd | Construction | 2018 |
| PAX Fire Control Ltd | Administrative & support | 2014 |
| PE Assessments Ltd | Education | 2024 |
| Pegandunx Ltd | Administrative & support | 2019 |
| Pegasus Plumbing and Heating (Wyre Forest) Ltd | Construction | 2020 |
| Pello Bonito Limited | Other services | 2006 |
| Pemberton Haematology Practice Limited | Health & social care | 2026 |
| Penhaligon Event Consultants Limited | Professional & scientific | 2009 |
| Penny's Property Ltd | Real estate | 2025 |
| Percival Holdings Ltd | Hospitality | 2015 |
| Performance on Wheels Recovery Limited | Transport & logistics | 2025 |