| PDP2019 Limited | Information & communication | 2019 |
| PDQ Design & Print Limited | Manufacturing | 2008 |
| Pdrj Ltd | Extraterritorial | 2016 |
| Pdrpestcontrol Ltd | Administrative & support | 2023 |
| PE Johnson Roofing Ltd | Construction | 2016 |
| Peace of Mind DNA Limited | Other services | 2022 |
| Peach and Cherry Ltd | Hospitality | 2025 |
| Peachmore Limited | Real estate | 1963 |
| Peacock Aesthetics Ltd | Other services | 2024 |
| Peacock Grove Management Company Limited | Households | 2025 |
| Peak Norwich Limited | Health & social care | 2023 |
| Peak Performance HR Ltd | Administrative & support | 2018 |
| Peak Processing Ltd | Professional & scientific | 2014 |
| Peak Procurement Ltd | Wholesale & retail | 2024 |
| Peak Suntime Company Limited(The) | Hospitality | 1984 |
| Peake Management Services Limited | Construction | 2015 |
| Peaky Vapours Ltd | Wholesale & retail | 2019 |
| Peanut FX Ltd | Information & communication | 2011 |
| Peapod Pre-School | Education | 2010 |
| Pearcey Venture Partners LLP | | 2007 |
| Pearl Case Management Limited | Professional & scientific | 2026 |
| Pearl Fish Bar Limited | Hospitality | 2012 |
| Pearl Lettings (Norwich) Limited | Real estate | 2022 |
| Pearl Lettings Limited | Real estate | 2017 |
| Pearls PP Ltd | Hospitality | 2019 |
| Pearn Wyatt Transport Ltd | Transport & logistics | 2024 |
| Peart & Barrell (Builders) Limited | Construction | 1975 |
| Pebble Collective Ltd | Construction | 2026 |
| Pebble Investment Partners LLP | | 2024 |
| Pebbles Children and Family Services | Education | 2005 |
| Peck's Pubs Limited | Hospitality | 2008 |
| Peckham Gallery Limited | Wholesale & retail | 2019 |
| Peco Install Ltd | Manufacturing | 2015 |
| Pectra Limited | Wholesale & retail | 2024 |
| Peculiar Games Ltd | Information & communication | 2026 |
| Pedal Revolution Holdings Limited | Financial services | 2021 |
| Pedal Revolution Limited | Wholesale & retail | 1998 |
| Pedham Estates Limited | Real estate | 2006 |
| Pedro Boats (UK) Limited | Wholesale & retail | 2004 |
| Pedro's Restaurant Limited | Hospitality | 2014 |
| Peel Consulting Ltd | Professional & scientific | 2013 |
| Peerless Properties (Norfolk) Limited | Construction | 2017 |
| Peerless Rentals Limited | Real estate | 2023 |
| Pegasus 2021 Ltd | Transport & logistics | 2023 |
| Pegasus Consulting Engineers Ltd | Construction | 2011 |
| Pegasus Incorporated Ltd | Other services | 2022 |
| Pegasus Marine (East Anglia) Limited | Manufacturing | 2018 |
| Peggarant Properties Limited | Real estate | 2019 |
| Peggle Productions Ltd | Arts & recreation | 2011 |
| Peicework Ltd | Construction | 2019 |
| Pejw Engineers Ltd | Real estate | 2011 |
| PEK Ivanovi Ltd | Transport & logistics | 2023 |
| Peking Feast Limited | Hospitality | 2020 |
| Pellmarsh Limited | Construction | 2015 |
| Pells Building Contractors Ltd | Construction | 2018 |
| Pelygo Ltd | Administrative & support | 2016 |
| Pemc Limited | Construction | 2020 |
| PEN Homes Ltd | Construction | 2025 |
| Pence Talent Ltd | Information & communication | 2023 |
| Pence Technology Ltd | Information & communication | 2020 |
| Pencil Management Ltd | Professional & scientific | 2025 |
| Pendefords Ltd | Information & communication | 2019 |
| Pendergast Ltd | Professional & scientific | 2024 |
| Pendleton Bathroom Design Limited | Administrative & support | 2003 |
| Pendleton Enterprises Ltd | Wholesale & retail | 2018 |
| Pendleton Family LLP | | 2024 |
| Pendleton Gate Management Limited | Households | 2013 |
| Pendleton Holdings Ltd | Administrative & support | 2017 |
| Penfold Drive Management Company Limited | Real estate | 2006 |
| Penko Care Homes Limited | Health & social care | 2022 |
| Penn Grove Estates Ltd | Administrative & support | 2020 |
| Pennekamp Holdings Ltd | Financial services | 2022 |
| Penningtons Confectionery Ltd | Wholesale & retail | 2013 |
| Penniwise Limited | Wholesale & retail | 2009 |
| Penny Lane Enterprises Limited | Real estate | 2008 |
| Pennygate Financial Associates Limited | Financial services | 2012 |
| Pennygate Properties Limited | Construction | 2016 |
| Pennyllaw Ltd | Wholesale & retail | 2008 |
| Penpuma Limited | Real estate | 1981 |
| Pentaco Construction Limited | Construction | 2004 |
| Pentagon Control Systems (Anglia) Limited | Extraterritorial | 2000 |
| Pentney Properties & Lettings Ltd | Real estate | 2023 |
| Pentracore Ltd | Information & communication | 2025 |
| Pentree Lodge Care Home Limited | Health & social care | 2012 |
| Penvest Limited | Financial services | 2004 |
| Penwoods Holdings Ltd | Financial services | 2026 |
| Penwoods Property Ltd | Real estate | 2021 |
| PEO Consultancy Services Limited | Administrative & support | 2023 |
| Peony Rose Holdings Limited | Financial services | 2024 |
| People and YOU Ltd | Administrative & support | 2023 |
| People Architecture LLP | | 2023 |
| People for Purpose CIC | Professional & scientific | 2021 |
| People SAY Ltd | Professional & scientific | 2023 |
| Peopletech Software Solutions Ltd | Information & communication | 2024 |
| Peopleworks Consultancy Limited | Administrative & support | 2004 |
| PEP Projects Limited | Construction | 2013 |
| Pepe & Sale Limited | Hospitality | 2019 |
| Pepper Homes 1 Ltd | Construction | 2018 |
| Pepper Potts PA Ltd | Professional & scientific | 2025 |
| Pepte UK Ltd | Wholesale & retail | 2012 |