| One Call Property Lettings Ltd | Real estate | 2021 |
| Opti Vendi Limited | Wholesale & retail | 2026 |
| Optimum Training and Assessments Limited | Education | 2019 |
| ORA D'Oro Limited | Information & communication | 2023 |
| Origin Clean Power Solutions Ltd | Professional & scientific | 2023 |
| Orisec (Holdings) Limited | Manufacturing | 2013 |
| Orisec Limited | Manufacturing | 2013 |
| Orrell Property Investments Limited | Real estate | 2022 |
| Oscars Solutions Ltd | Information & communication | 2025 |
| Otium MMXX111 Limited | Transport & logistics | 2023 |
| Override Electrical Limited | Construction | 2024 |
| Oxygenna Limited | Information & communication | 2013 |
| P Wilson Fitted Bedrooms Limited | Manufacturing | 2015 |
| P&P Property Renovations Group Limited | Construction | 2026 |
| PAC Trading Ltd | Wholesale & retail | 2024 |
| Pain Consultants Ltd | Other services | 2019 |
| Palio Developments Limited | Real estate | 2024 |
| Panda Property Rentals Ltd | Real estate | 2024 |
| Parade Pharmacy Ltd | Wholesale & retail | 2024 |
| Paramount Joinery & Construction Ltd | Manufacturing | 2024 |
| Parkwood Property Solutions Ltd | Real estate | 2023 |
| Parkwood Tutors Ltd | Education | 2026 |
| Parry Group Limited | Financial services | 2026 |
| Parsons Business Services Ltd | Professional & scientific | 2015 |
| Part of Your World Productions Ltd | Administrative & support | 2017 |
| Partnership Homes Development Limited | Administrative & support | 2005 |
| PAT Holt Wedding Films Ltd | Information & communication | 2024 |
| Patchwork Arts CIC | Arts & recreation | 2023 |
| Paul N Williams Consulting Limited | Construction | 2014 |
| Paul's Landscaping and Building Services Ltd | Construction | 2024 |
| Pave Seal Limited | Extraterritorial | 2014 |
| Pavilions Management (Bury) Limited | Real estate | 2004 |
| PBS Group Ltd | Education | 2025 |
| PCG Commercial Limited | Administrative & support | 2006 |
| Peaceful Mind Online Therapy Ltd | Health & social care | 2020 |
| Peak Workforce Solutions Ltd | Professional & scientific | 2025 |
| Pelvic Health Academy Limited | Health & social care | 2021 |
| Pencil Properties Limited | Real estate | 2011 |
| Pendle Will Writing Services Limited | Professional & scientific | 2000 |
| Penna Properties Ltd | Real estate | 1999 |
| Pennine Pooches Limited | Other services | 2021 |
| Penny Lodge Management Company Limited | Construction | 2019 |
| Pentalian Ltd | Professional & scientific | 2025 |
| Pentura Paints Limited | Manufacturing | 2024 |
| Perfect Ponies Ltd | Wholesale & retail | 2018 |
| Perform Centre Limited | Arts & recreation | 2009 |
| Performance Sports Products Limited | Transport & logistics | 2008 |
| PERHENTIAN2 Consulting Limited | Information & communication | 2025 |
| Persian Heat & EAT Ltd | Manufacturing | 2025 |
| Pete Gibson Media Ltd | Professional & scientific | 2023 |
| Peter Lord Joinery Services Limited | Construction | 2002 |
| Phantom Ltd | Wholesale & retail | 2014 |
| Pharmaceutical Defence Limited | Professional & scientific | 2012 |
| Phasian Ltd | Wholesale & retail | 2025 |
| Phil Clothier Ltd | Professional & scientific | 2021 |
| Phil Purdy Supply Chain Limited | Real estate | 2017 |
| Philsus Global Investments Ltd | Information & communication | 2025 |
| Phoenix Apparel Ltd | Wholesale & retail | 2024 |
| Phoenix Rehabilitation Ltd | Health & social care | 2023 |
| Pilkington Build & Develop Ltd | Construction | 2025 |
| Pilkington Exteriors Limited | Administrative & support | 2024 |
| Pinecove Limited | Professional & scientific | 2009 |
| Pinks Insulation & Drylining Ltd | Wholesale & retail | 2021 |
| Pinks Nails Salon Ltd | Other services | 2025 |
| Pinks Padel & Social Ltd | Arts & recreation | 2026 |
| Pinnacle Plumbing & GAS Services Ltd | Manufacturing | 2014 |
| Pinnacle Stonemasonry Limited | Other services | 2010 |
| Pixelarc Ventures Ltd | Information & communication | 2025 |
| Pizza Box Market Ltd | Hospitality | 2021 |
| Pizzaman's Pizzeria Limited | Wholesale & retail | 2021 |
| PJ Hargreaves Limited | Professional & scientific | 2024 |
| Planmeadow Limited | Construction | 2007 |
| Planmore Limited | Professional & scientific | 2017 |
| Plasterblaster Ltd | Construction | 2025 |
| Platters UK Ltd | Manufacturing | 2017 |
| Play Co Events Limited | Administrative & support | 2022 |
| Pleasant View OFF Licence Ltd | Wholesale & retail | 2019 |
| Plus 24 Academy Ltd | Education | 2018 |
| Plus 24 Marketing Limited | Information & communication | 2010 |
| Plus 24 Property Limited | Real estate | 2025 |
| Plus Learning Tuition Ltd | Education | 2019 |
| PMJ Kitchen Ventilation Limited | Professional & scientific | 2017 |
| PMR Roofing Limited | Construction | 2007 |
| PNICHOLSON64 Ltd | Professional & scientific | 2022 |
| Polaris Consultancy Group Ltd | Professional & scientific | 2023 |
| Polish Stores Limited | Wholesale & retail | 2023 |
| Pollock M Limited | Wholesale & retail | 2014 |
| Polo Global Limited | Wholesale & retail | 2024 |
| Pomodoro Rawtenstall Limited | Hospitality | 2019 |
| Poodle SPV Holdings Limited | Information & communication | 2024 |
| Poppy Couriers Limited | Transport & logistics | 2017 |
| Porter Cole Limited | Wholesale & retail | 2016 |
| Poseidon Enterprises Ltd | Real estate | 2021 |
| Positive Smiles C.I.C. | Education | 2019 |
| Positive Start (Rossendale) Limited | Arts & recreation | 2008 |
| Post a Project Ltd | Information & communication | 2023 |
| Postilion Digital Ltd | Professional & scientific | 2026 |
| Powerhouse Digital Studio Ltd | Information & communication | 2026 |
| Powerlink Components Ltd | Manufacturing | 1996 |
| PPD Construction Ltd | Construction | 2022 |