| P & Y Austin Investments Ltd | Real estate | 2016 |
| P & Y Austin Management Ltd | Professional & scientific | 2013 |
| P B Double Glazing Limited | Construction | 2009 |
| P J Barrow & Partners Limited | Other services | 2000 |
| P Liberate Ltd | Construction | 2021 |
| P Moorton Plumbing & Heating Limited | Construction | 2019 |
| P R Surveying Ltd | Professional & scientific | 2022 |
| P Weston Developments & Installations Limited | Construction | 2006 |
| P&N Dream Stay Ltd | Hospitality | 2024 |
| Pablo Picasso's Limited | Hospitality | 1995 |
| Pablo Services Ltd | Construction | 2025 |
| Pacer Studios Ltd | Professional & scientific | 2022 |
| Pacey Consulting Ltd | Financial services | 2023 |
| Padel Social Club Limited | Wholesale & retail | 2021 |
| Paella Fella Limited | Hospitality | 2009 |
| Page Medical and Surgical Limited | Health & social care | 2020 |
| Page Property Consultants Ltd | Professional & scientific | 2025 |
| Paint and Decorative Supplies Limited | Wholesale & retail | 1996 |
| Painting Classic Cars Limited | Wholesale & retail | 2018 |
| Paintless Dent Removal Limited | Wholesale & retail | 2005 |
| Pairola Ltd | Real estate | 2014 |
| Palace Assured Limited | Real estate | 2015 |
| Palace Court (Hastings) Ltd | Real estate | 2013 |
| Palan Ltd. | Construction | 1995 |
| Palan Management Limited | Real estate | 2017 |
| Palgrave House Management Limited | Real estate | 2000 |
| Pall MOR Estates Ltd | Real estate | 2022 |
| Palm Court Hotel (Sussex) Limited | Hospitality | 2006 |
| Palm Cove Studios Ltd | Wholesale & retail | 2020 |
| Palma Wilson Ltd | Other services | 2020 |
| Palmeira Property Limited | Real estate | 2022 |
| Palmeira Search Limited | Administrative & support | 2016 |
| Palmglebe Limited | Real estate | 1985 |
| Pamphlion Partners Limited | Real estate | 2021 |
| Pan-Adams International Ltd | Manufacturing | 2021 |
| Panama Janitorial Supplies Ltd | Administrative & support | 2013 |
| Panama Reach Management Company Limited | Households | 2003 |
| Panania Laundrette Limited | Other services | 2012 |
| Panda Monium Property Limited | Real estate | 2016 |
| Panomida Estates Limited | Households | 1989 |
| Pantrydevs Ltd | Information & communication | 2025 |
| Panzerwrecks Limited | Information & communication | 2016 |
| Paper Direct Ltd | Manufacturing | 2015 |
| Paperwork Couriers Limited | Transport & logistics | 2002 |
| PAR UK Services Limited | Administrative & support | 2023 |
| Paramount Architecture Limited | Professional & scientific | 2009 |
| Paramount Plumbing and Heating Solutions Limited | Construction | 2021 |
| Paramount Pressure Washing Ltd | Administrative & support | 2025 |
| Paramount Properties South Ltd | Real estate | 2025 |
| Parasol Corp Ltd | Real estate | 2020 |
| Paraspark Electronics Ltd | Manufacturing | 2026 |
| Parcel Delivery and Collection Service Ltd | Transport & logistics | 2023 |
| Pareto Capital Advisers Limited | Financial services | 2018 |
| Paris BG Ltd | Transport & logistics | 2022 |
| Park Fencing Eastbourne Ltd | Construction | 2021 |
| Park Gates (Eastbourne) Residents Limited | Households | 2003 |
| Park House (Hampden Park) Limited | Real estate | 2013 |
| Park Lane Property Ltd | Real estate | 2011 |
| Park Lodge 1995 Limited | Real estate | 1995 |
| Park Property Developments Limited | Real estate | 2010 |
| Parkfield Labradoodles Ltd | Agriculture & fishing | 2020 |
| Parkholme (Eastbourne) Management Limited | Real estate | 1967 |
| Parkview Systems Limited | Information & communication | 2015 |
| Parkway Commercial Services Limited | Construction | 2022 |
| Parris Construction Services Limited | Construction | 2023 |
| Parsonage Builders Ltd | Construction | 2006 |
| Parsons Green Dental Ltd | Health & social care | 2021 |
| Partnership Project Management Ltd | Construction | 2012 |
| Partridge Events Limited | Administrative & support | 2005 |
| Partridge Productions Ltd. | Administrative & support | 2014 |
| Parts 4 Mobiles Limited | Information & communication | 2018 |
| Partytimeuk Ltd | Hospitality | 2022 |
| Parvani Ltd | Professional & scientific | 2018 |
| Pashley Investments Ltd | Manufacturing | 2018 |
| Pasil International Limited | Professional & scientific | 2004 |
| Passenger Transport Intelligence Services Limited | Information & communication | 1994 |
| Patchfield Limited | Households | 1977 |
| Patel's General Store Limited | Wholesale & retail | 2020 |
| Paterson Dental Care Limited | Health & social care | 2016 |
| Pathfinder Private Wealth Limited | Extraterritorial | 2022 |
| Pathfinders Youth Ltd | Hospitality | 2021 |
| Pathmend CIC | Information & communication | 2026 |
| Pathways Integrated Ltd | Professional & scientific | 2022 |
| Patient Pigeon Ltd | Health & social care | 2026 |
| Patjay Kitchen Ltd | Hospitality | 2026 |
| Paul Aron Thomas Limited | Professional & scientific | 2022 |
| Paul Clifford Limited | Extraterritorial | 2019 |
| Paul Euden-Harrison Ltd | Health & social care | 2015 |
| Paul Goodenough Architects Ltd | Professional & scientific | 1994 |
| Paul Muir Ltd | Professional & scientific | 2011 |
| Paul Richards Communications Limited | Professional & scientific | 2000 |
| Paul White Engineering Services Limited | Professional & scientific | 2009 |
| Paul's Mini Skips Ltd | Water & waste | 2013 |
| Paul's Skips Limited | Water & waste | 2013 |
| Paula & LUK Property Ltd | Real estate | 2024 |
| Paulina Roquett Limited | Wholesale & retail | 2025 |
| Pavitt Accountancy Services Limited | Professional & scientific | 2005 |
| Pavitt Securities Limited | Financial services | 1971 |
| Pavleen Limited | Health & social care | 2021 |
| Pawfect Pals Eastbourne Ltd | Other services | 2022 |