| P.A Shaw Consultants Ltd | Information & communication | 2024 |
| P.S.L Homes Ltd | Real estate | 2024 |
| Palmer & KIN Holdings Ltd | Financial services | 2023 |
| Palmer & KIN Listings Ltd | Real estate | 2023 |
| Palukas Ltd | Real estate | 2019 |
| Pangolin GIN Ltd | Wholesale & retail | 2020 |
| Parkers Nurseries Limited | Agriculture & fishing | 1997 |
| Parklife Digital Limited | Information & communication | 2017 |
| Parry Track Services Limited | Construction | 2018 |
| Parthenon Lettings Limited | Real estate | 2019 |
| Partridge Property Management Limited | Real estate | 2021 |
| Pat'Erns Network UK Ltd. | Wholesale & retail | 1977 |
| Pathways Training Services Limited | Health & social care | 2022 |
| Patrick and Menzies Limited | Extraterritorial | 2003 |
| Patrono Care Ltd | Health & social care | 2017 |
| Paul Maddison Property & Gardening Maintenance Limited | Construction | 2021 |
| Pavlovet Ltd | Professional & scientific | 2026 |
| Pcwarehouse (Clacton) Ltd | Wholesale & retail | 2017 |
| Pcwarehouse (GRT Clacton) Limited | Information & communication | 2011 |
| Peace of Mind Home Support Limited | Health & social care | 2010 |
| Peacock Consulting Ltd | Professional & scientific | 2025 |
| Pearce Fabrications Ltd | Construction | 2019 |
| Pearl of Clacton Ltd | Hospitality | 2025 |
| Peartree Productions (Norfolk) Limited | Professional & scientific | 2020 |
| Peking Inn 101 Ltd | Hospitality | 2026 |
| Penny Investments Construction Ltd | Construction | 2015 |
| Pepper Jelly Circus Ltd | Arts & recreation | 2024 |
| Pepper Jelly Productions Ltd | Arts & recreation | 2022 |
| Perfect Pearls and Pigments Limited | Wholesale & retail | 2020 |
| Pern Properties Ltd | Real estate | 2024 |
| Perryson Estates Limited | Real estate | 2024 |
| Person Power Ltd | Administrative & support | 2025 |
| Personal Padel Limited | Information & communication | 2024 |
| Pet's UP Products Limited | Wholesale & retail | 2013 |
| Peter Price & Co | | 1996 |
| Pettitt Engineering Services Limited | Manufacturing | 2002 |
| PEZ Productions Ltd | Information & communication | 2025 |
| PFI Consultants Ltd | Professional & scientific | 2003 |
| PGB Market Operators Limited | Administrative & support | 2024 |
| PGS Electrical Contractors Ltd | Construction | 2013 |
| PGS Solar Solutions Ltd | Construction | 2023 |
| Phantom Quest Ltd | Arts & recreation | 2026 |
| Pharley Products Ltd | Wholesale & retail | 2025 |
| Philomena's Garden Ltd | Extraterritorial | 2022 |
| Physical Limits Gym Limited | Other services | 2010 |
| Pickering (Property) Limited | Real estate | 2019 |
| Pickering (Services) Limited | Administrative & support | 2019 |
| Pickering Electronics Limited | Manufacturing | 1965 |
| Pickering Group Limited | Professional & scientific | 1981 |
| Pickering Interfaces Limited | Manufacturing | 1971 |
| Pickering Ohrwall Investments Limited | Real estate | 2022 |
| Picnic Web Solutions Ltd | Information & communication | 2016 |
| Pier Convenience Ltd | Wholesale & retail | 2025 |
| Pier Hotel Clacton-On-Sea Ltd | Hospitality | 2019 |
| Pilot IT Consultancy Limited | Information & communication | 2020 |
| Pink Palace Hotel Ltd | Hospitality | 2012 |
| Pinnacle Maintenance and Services Limited | Professional & scientific | 2023 |
| Pinpoints Engineering Ltd | Professional & scientific | 2025 |
| Piperis Limited | Information & communication | 2020 |
| Pison Itech Ltd | Wholesale & retail | 2025 |
| Pittman's Limited | Construction | 2005 |
| Plantall Ltd | Administrative & support | 2023 |
| Plants for Gardens Ltd | Wholesale & retail | 2022 |
| Platinum Interiors Essex Limited | Construction | 2016 |
| Playoff Group Ltd | Information & communication | 2025 |
| Plrs Media Ltd | Administrative & support | 2010 |
| Plumbex Group Ltd | Construction | 2025 |
| Plumbing & Drainage Heroes Ltd | Construction | 2024 |
| Plumbing Heating Drainage Ltd | Water & waste | 2017 |
| PMB Environmental Ltd | Construction | 2013 |
| Pmci Services Limited | Information & communication | 2002 |
| Point Clear Hairdressing Ltd | Other services | 2026 |
| Point Clear Ltd | Construction | 2026 |
| Polo Stone Ltd | Manufacturing | 2026 |
| Pool House Limited | Administrative & support | 2009 |
| POP International Ltd | Wholesale & retail | 2024 |
| Poplar Cottages Management Company Limited | Households | 2016 |
| Populus Health Limited | Professional & scientific | 2011 |
| Porterhouse Plastering Ltd | Construction | 2020 |
| Portofino Italian Ltd | Hospitality | 2020 |
| Posh Property Solutions Ltd | Real estate | 2020 |
| Power Enterprise Limited | Wholesale & retail | 2018 |
| Praetorian ASC Ltd | Manufacturing | 2022 |
| Precision Layer Cake Slicer Ltd | Wholesale & retail | 2024 |
| Premier Property (Essex) Ltd | Real estate | 2016 |
| Prestige Build Clacton Ltd | Construction | 2024 |
| Prestige Carpentry (Clacton) Ltd | Construction | 2007 |
| Prestige Designs Group Limited | Professional & scientific | 2018 |
| Prestige Motors (Clacton) Essex Ltd | Wholesale & retail | 2014 |
| Prestige Valet Essex Ltd | Wholesale & retail | 2025 |
| Prestige Welding and Powder Coating Ltd | Manufacturing | 2007 |
| Pretty Cool Projects Ltd | Information & communication | 2020 |
| Pretty Little Event Ltd | Extraterritorial | 2025 |
| Pride & Property Essex Limited | Real estate | 2022 |
| Primal Coatings Ltd | Construction | 2025 |
| Primal Combat Academy LLP | | 2017 |
| Primal Combat Limited | Education | 2025 |
| Primarosa Health Care Limited | Health & social care | 2026 |
| Printing on Sea Ltd | Manufacturing | 2018 |
| Priory View Lettings Ltd | Real estate | 2025 |