| Noviniti DEV Co 5 Ltd | Construction | 2019 |
| Noviniti DEV Co 7 Ltd | Construction | 2020 |
| Noviniti Finco Ltd | Construction | 2020 |
| Noviniti Limited | Construction | 2016 |
| NSL Automotive Ltd | Wholesale & retail | 2025 |
| Number One Tech Ltd | Wholesale & retail | 2023 |
| Nurse Lucy Aesthetics Ltd | Other services | 2026 |
| Nuvision Spaces Ltd | Construction | 2024 |
| NW Clark Ltd | Wholesale & retail | 2024 |
| NY Whiterose Ltd | Construction | 2024 |
| Oaks Landscaping Limited | Administrative & support | 2015 |
| Off-Leash K9 Training London Ltd | Other services | 2017 |
| Ohana Marquees Ltd | Hospitality | 2020 |
| Old Farm Ripon Limited | Manufacturing | 2023 |
| Old Park Mews Ripon RTM Limited | Households | 2010 |
| Old Slen Ltd | Professional & scientific | 2026 |
| Olive Homes and Property Holdings Ltd | Real estate | 2025 |
| Oliver Hallam Mediation Limited | Professional & scientific | 2016 |
| Olivers Pantry Limited | Administrative & support | 2012 |
| Omsf Limited | Manufacturing | 2012 |
| One Source Facilities Management Ltd | Construction | 2018 |
| Online Direct Services Limited | Other services | 2017 |
| Onnix Homes Limited | Real estate | 2018 |
| Onnix Ltd | Real estate | 2015 |
| Open Gate Media Limited | Arts & recreation | 2015 |
| Optimise Branding Limited | Professional & scientific | 2010 |
| Orbit Strength Ltd | Arts & recreation | 2025 |
| Orchard Therapies C.O. Limited | Health & social care | 2020 |
| Otaviano Golden Team Ltd | Construction | 2025 |
| OTR Inns Ltd | Hospitality | 2025 |
| Outdoor Adventures Forest School Ltd | Education | 2019 |
| OWL Adventures Ltd | Education | 2025 |
| OX Close Game Limited | Hospitality | 2025 |
| Oxley Properties Limited | Construction | 1993 |
| P & C Investment Solutions | Financial services | 2025 |
| P Martin Property Improvements Limited | Manufacturing | 2014 |
| PA & T Murphy Ltd | Construction | 2018 |
| Packington Getaways Ltd | Real estate | 2026 |
| Packington Swan | Financial services | 2025 |
| Painttek Vehicle Repairs Ltd | Administrative & support | 2017 |
| Panda Sushi Group Ltd | Hospitality | 2025 |
| Paradox Property Limited | Real estate | 2024 |
| Parry Land & Property Limited | Real estate | 2019 |
| Patrick Dingwall Limited | Professional & scientific | 2002 |
| Paul Hutchinson Stove Fitter Ltd | Construction | 2023 |
| Payton Labs Ltd | Information & communication | 2026 |
| PC1PR Property Management Company Ltd | Households | 2022 |
| Pebbles Property Management Ltd | Real estate | 2024 |
| Pembury Management Services Limited | Households | 1995 |
| Penbrook Bookkeeping Limited | Extraterritorial | 2019 |
| Penbrook Solutions Limited | Extraterritorial | 2013 |
| People Solutions CTA Ltd | Professional & scientific | 2018 |
| Pepperrell Investments Limited | Financial services | 2007 |
| Performance IT Limited | Information & communication | 2015 |
| Permaquip Group Limited | Manufacturing | 2011 |
| Permaquip Holdings Limited | Financial services | 2016 |
| Permaquip Limited | Manufacturing | 2010 |
| Peter Gotthard (Ripon) Limited | Other services | 1998 |
| Peter Laing Consulting Ltd | Professional & scientific | 2018 |
| Petuk Limited | Extraterritorial | 2010 |
| Phil Hirst Driving Instructor Training Ltd | Wholesale & retail | 2025 |
| Phillips Consultancy (Ripon) Ltd | Administrative & support | 2011 |
| Phoenix Fitness Harrogate Limited | Arts & recreation | 2013 |
| Pickersgill Groundworks and Landscapes Limited | Administrative & support | 2023 |
| Pineapple Group (Automotive) Ltd | Professional & scientific | 2018 |
| Pink Ribbon INK CIC | Other services | 2025 |
| Pittstop (Ripon) Limited | Wholesale & retail | 1992 |
| Plantoil Limited | Other services | 1990 |
| Plasterpitts Limited | Agriculture & fishing | 1949 |
| Platinum Private Real Estate Limited | Real estate | 2017 |
| Play Pause Universal Limited | Manufacturing | 2014 |
| Plusforge Consulting Ltd | Professional & scientific | 2023 |
| PMA Mortgages Ltd | Financial services | 2018 |
| Pointy Dog Ltd | Information & communication | 2019 |
| Pollitt Developments Limited | Construction | 2023 |
| Poms & Kata Limited | Wholesale & retail | 2022 |
| Poplar Tree Enterprises | Financial services | 2025 |
| Portfolio PA Limited | Administrative & support | 2018 |
| Portiga Ltd | Real estate | 2026 |
| Portofino (Ripon) Ltd | Hospitality | 2019 |
| Posh PUB Pizzas Limited | Wholesale & retail | 2025 |
| Positive Progress Psychological Solutions Ltd | Public administration | 2022 |
| Pottsolutions Limited | Information & communication | 2026 |
| Powells of Ripon Limited | Wholesale & retail | 2007 |
| Premier Denture Clinics Ltd | Health & social care | 2022 |
| Premier Timber Harvesting Limited | Agriculture & fishing | 2016 |
| Prima Pizzeria Limited | Hospitality | 2017 |
| Primrose Weddings & Events Ltd | Hospitality | 2023 |
| Privalis Health Group UK Ltd | Wholesale & retail | 2026 |
| Profiles International Media Limited | Information & communication | 2003 |
| Project Smarts Education Limited | Education | 2022 |
| Projected Bathrooms Limited | Wholesale & retail | 2025 |
| Propelled Property Limited | Construction | 2025 |
| Property Link Homes Limited | Financial services | 2004 |
| Property Link Ripon Limited | Construction | 2018 |
| PSF Jointing Limited | Construction | 2021 |
| Pulse Digital Enterprises Ltd | Professional & scientific | 2022 |
| Pure Boilers Limited | Construction | 2017 |
| Puzzle Lady Films Ltd | Information & communication | 2023 |
| Qts-Global Ltd | Education | 2011 |