| Lumi TAN Ltd | Other services | 2025 |
| M Wilson (Plant) Limited | Administrative & support | 2005 |
| M.A. Fall Limited | Agriculture & fishing | 2013 |
| M.A.F. & Sons Ltd | Professional & scientific | 2023 |
| M.J.M Joinery Ltd | Construction | 2020 |
| MAM Restaurant Limited | Hospitality | 2019 |
| Many Bookkeeping and Accountancy Services Limited | Professional & scientific | 2021 |
| Mark Donaghy Joinery Limited | Construction | 2003 |
| Marleys Farm Ltd | Agriculture & fishing | 2015 |
| Mary Orchard Limited | Professional & scientific | 2024 |
| Masham Cider Press Limited | Manufacturing | 2024 |
| Mass Co. Clothing Ltd | Wholesale & retail | 2026 |
| Mayview Designs Ltd | Construction | 2018 |
| MBF Gym Club Limited | Arts & recreation | 2025 |
| Memento Gifts Limited | Wholesale & retail | 2019 |
| Mercer and Wood Properties Limited | Real estate | 2019 |
| Merch Minds Group Limited | Wholesale & retail | 2025 |
| Mighty DUB Fest Limited | Arts & recreation | 2016 |
| Mighty Events Limited | Arts & recreation | 2011 |
| ML Consultancy (North Yorkshire) Limited | Manufacturing | 2015 |
| Mojo Polytunnels Limited | Construction | 2012 |
| Moss Munro Associates Ltd | Professional & scientific | 2010 |
| Motel Leeming Limited | Professional & scientific | 2000 |
| Moto Product Imports Ltd | Wholesale & retail | 2025 |
| Mowbray Hotels Ltd | Hospitality | 1992 |
| MT9 Auto Sales Ltd | Wholesale & retail | 2025 |
| Mungham Limited | Wholesale & retail | 2002 |
| MWS Contracts (UK) Ltd | Construction | 2008 |
| N J Hunter Ltd | Real estate | 2021 |
| Newsteads Management Company (Aiskew) Limited | Real estate | 2008 |
| Newton Parks Ltd | Arts & recreation | 2025 |
| Nick Haste Limited | Information & communication | 2017 |
| NMB Investments Limited | Real estate | 2006 |
| Noah and Maeve Limited | Wholesale & retail | 2021 |
| Northern Craft Brewers Limited | Manufacturing | 2016 |
| Northern Natural Capital Limited | Professional & scientific | 2025 |
| Northern Telecom Consultants Limited | Information & communication | 1998 |
| NPW Excavations Limited | Construction | 2014 |
| Nutrix Capital Limited | Professional & scientific | 2016 |
| Nutrix EBT Trustee Limited | Administrative & support | 2018 |
| Oaktree HR Limited | Administrative & support | 2016 |
| Ollie's Logs Ltd | Wholesale & retail | 2017 |
| Opalone Limited | Hospitality | 2000 |
| Orchard Dental Laboratory Limited | Manufacturing | 2010 |
| Osprey Meadow Limited | Hospitality | 2021 |
| Overlock Limited | Other services | 2018 |
| Overlock Properties Ltd | Real estate | 2024 |
| Panther Properties Ltd | Hospitality | 2007 |
| Paul Neasham Accountancy Limited | Professional & scientific | 2010 |
| Peach Flanagan Ltd | Wholesale & retail | 2024 |
| Penny Home Property Restoration Ltd | Manufacturing | 2024 |
| Penny Home Specialists Limited | Construction | 2014 |
| Pickhill Engineers (Hipperholme 2015) Ltd | Financial services | 2015 |
| Pickhill Engineers (Hipperholme) Limited | Real estate | 1936 |
| Pimoka Limited | Real estate | 2020 |
| PJ Marketing Limited | Professional & scientific | 2026 |
| Placepurpose Property Limited | Households | 1995 |
| Plewsy Limited | Arts & recreation | 2025 |
| Pokèyum Collectibles Limited | Wholesale & retail | 2024 |
| Potter’S Barber Ltd | Other services | 2025 |
| PPH Holding Limited | Financial services | 2019 |
| Predictorfy Limited | Information & communication | 2024 |
| Prices Paving and Tile Limited | Wholesale & retail | 2004 |
| Primus International Ltd | Professional & scientific | 2023 |
| Property Maintenance Yorkshire Ltd | Construction | 2010 |
| Prystn Ltd | Wholesale & retail | 2026 |
| PSD Property Developments Limited | Real estate | 2015 |
| PSI Consulting Limited | Professional & scientific | 2018 |
| Punch Bowl Investments Limited | Other services | 2014 |
| Purdy Holdings Ltd | Real estate | 2023 |
| Quantum Electronic Solutions Limited | Professional & scientific | 2011 |
| Quick Digital Ltd | Manufacturing | 2011 |
| R M & T Holdings Limited | Administrative & support | 2002 |
| R&S Adventures Ltd | Administrative & support | 2025 |
| Regency's Pizza Bedale Ltd | Hospitality | 2025 |
| Riding Escort Vehicles Ltd | Transport & logistics | 2021 |
| Rigby Hansom Limited | Hospitality | 2025 |
| RJ Miller Limited | Construction | 2014 |
| Ropner Limited | Professional & scientific | 2014 |
| Round Recruitment Limited | Administrative & support | 2021 |
| RPM Window Cleaning Services Ltd | Administrative & support | 2003 |
| RWW Farming Limited | Agriculture & fishing | 2012 |
| S & S Property Lets Ltd | Real estate | 2025 |
| S Adams Consulting Limited | Manufacturing | 2024 |
| S S Laser Consultancy Limited | Health & social care | 2011 |
| S.R. Systems (UK) Holdings Limited | Financial services | 2021 |
| S.R. Systems (UK) Limited | Construction | 2002 |
| S2S Solutions Limited | Wholesale & retail | 2009 |
| School PPA Cover Limited | Education | 2009 |
| Scientific Illustrations Ltd | Arts & recreation | 2024 |
| Scribing for Beauty Ltd | Other services | 2024 |
| Scrogs Ltd | Agriculture & fishing | 2021 |
| Seekers Motorhomes Limited | Administrative & support | 2005 |
| Senior Commercial LLP | | 2014 |
| SERENDIPITY29 Ltd | Information & communication | 2017 |
| Sheep Ltd | Wholesale & retail | 2025 |
| Silver Stoat Ltd | Professional & scientific | 2026 |
| Simon Hulme Ltd | Extraterritorial | 2022 |
| Simon Hulme Properties Ltd | Extraterritorial | 2022 |
| Simon Muir Building Contractors Limited | Construction | 2003 |