| Pavkata Ltd | Construction | 2026 |
| Paws at Work Limited | Other services | 2021 |
| Paws Mart Ltd | Wholesale & retail | 2025 |
| PAY Shield Ltd | Information & communication | 2020 |
| Paylow Furnishing Stores Ltd | Wholesale & retail | 2011 |
| PB Innotech Ltd | Information & communication | 2024 |
| PBC Design UK Limited | Construction | 2023 |
| PC Ukazu Concepts Ltd | Construction | 2018 |
| Pcdc Group Ltd | Administrative & support | 2024 |
| PCL Developments Ltd | Real estate | 2020 |
| PDC Motor Group Limited | Wholesale & retail | 2023 |
| PDK Essex Ltd | Real estate | 2021 |
| PDK York Investment Ltd | Real estate | 2022 |
| Pduk Ltd | Wholesale & retail | 2015 |
| Peak Roofer Ltd. | Construction | 2026 |
| Peaky Blenders London Ltd | Other services | 2023 |
| Pear Tree Property Services Limited | Real estate | 2025 |
| Pearl Haircare Ltd | Health & social care | 2024 |
| Pearl Looks Ltd | Manufacturing | 2024 |
| Pearl Packaging Limited | Administrative & support | 2019 |
| Pearl Property Stagers Ltd | Administrative & support | 2023 |
| Pearl Technology Limited | Information & communication | 2008 |
| Pech & Mcintosh Property Partners Limited | Real estate | 2023 |
| PEER2PEER Education CIC | Education | 2015 |
| Peerjee Ltd | Information & communication | 2025 |
| Pelicon Relocation and Properties Ltd | Transport & logistics | 2023 |
| Pemba Limited | Construction | 2016 |
| Pemili Logi Ltd | Construction | 2019 |
| Penford Ltd | Hospitality | 2026 |
| Pentagon Group U.K Ltd | Real estate | 2022 |
| People Pulse Global Ltd | Education | 2024 |
| Peppymore Care Services Ltd | Other services | 2017 |
| Perelomtech Ltd | Construction | 2024 |
| Perfect Host Homestay Ltd | Other services | 2004 |
| Perfect Pest Control London Limited | Administrative & support | 2021 |
| Perfect Rims Limited | Manufacturing | 2014 |
| Perfect Suppliers Essex Ltd | Hospitality | 2021 |
| Perfect Suppliers UK Ltd | Hospitality | 2016 |
| Perfect Waxing Limited | Education | 2019 |
| Perfectly Pretty Ltd | Other services | 2025 |
| Performance Design Centre Limited | Wholesale & retail | 2022 |
| Performance Parts and Repairs Limited | Wholesale & retail | 2024 |
| Periyava Ltd | Information & communication | 2021 |
| Perniola Ltd | Wholesale & retail | 2025 |
| Personal Survival Systems Limited | Manufacturing | 2022 |
| Personalized Pet Charms Limited | Manufacturing | 2025 |
| Peter Distribution Ltd | Wholesale & retail | 2023 |
| Peter James London Limited | Wholesale & retail | 2025 |
| Petkov & SON Estates Ltd | Construction | 2026 |
| Petrebur Limited | Construction | 2023 |
| Petronela Ltd | Construction | 2020 |
| Pets Portum Burial & Cremation Ltd | Other services | 2025 |
| Petsattheirhome Limited | Wholesale & retail | 2025 |
| PEW Electrical Distributors Limited | Wholesale & retail | 1988 |
| PEW Holdings Ltd | Financial services | 2021 |
| PEW Investments Limited | Real estate | 2003 |
| PF Accounting Limited | Professional & scientific | 2021 |
| Pfcare Limited | Health & social care | 2023 |
| PFD Drylining Limited | Construction | 2020 |
| Pgill Construction Ltd | Construction | 2025 |
| Phaino Home Healthcare Limited | Health & social care | 2023 |
| Phamily Property Ltd | Real estate | 2025 |
| Pharma Optical Limited | Manufacturing | 2017 |
| Pharmacare Consultants Ltd | Wholesale & retail | 2008 |
| Phase of Art Limited | Wholesale & retail | 2025 |
| Phat B Production Limited | Professional & scientific | 2025 |
| PHE Maintenance Ltd | Other services | 2020 |
| Pherelinks Ltd | Households | 2022 |
| Philandy Ltd | Real estate | 2024 |
| Philipo Limited | Construction | 2025 |
| Phillip Property Services Ltd | Real estate | 2019 |
| Phoenix Ventilation Limited | Construction | 2025 |
| Phone Repair Shop Forestgate Ltd | Wholesale & retail | 2023 |
| Phone Vibes Ltd | Wholesale & retail | 2025 |
| Phone Ways Ltd | Information & communication | 2014 |
| Phones Geeks Limited | Wholesale & retail | 2025 |
| Photoplay Visuals Ltd | Professional & scientific | 2019 |
| PHR Building Services Ltd | Construction | 2019 |
| PHU GIA Property Ltd | Real estate | 2024 |
| PI1 Construction Ltd | Administrative & support | 2017 |
| Pickup Cars Ltd | Transport & logistics | 2023 |
| Pierremihalcea Limited | Manufacturing | 2016 |
| PIK Developments Ltd | Construction | 2020 |
| PIK Pouches Ltd | Wholesale & retail | 2025 |
| Pilates Labb Ltd | Arts & recreation | 2025 |
| Pilgrim Coffee House Limited | Wholesale & retail | 2024 |
| Pillar Sandwell Homes Ltd | Manufacturing | 2026 |
| Pimento Hill Ltd | Wholesale & retail | 2013 |
| Pina Holdings Ltd | Hospitality | 2024 |
| Pinktreez Ltd | Wholesale & retail | 2020 |
| Pinnacle Capital Investments Ltd | Real estate | 2025 |
| Pinnacle Express Groups Ltd | Transport & logistics | 2021 |
| Pinpoint Accountancy Services Ltd | Professional & scientific | 2023 |
| Pioneer Traders Limited | Wholesale & retail | 2025 |
| Pisces International Limited | Administrative & support | 2023 |
| Pistachio Property Services Ltd | Real estate | 2024 |
| Piston Professionals Ltd | Wholesale & retail | 2025 |
| Pixelweb Ltd | Information & communication | 2021 |
| Pizarro Services Limited | Health & social care | 2013 |
| Pizza Town IG11 Ltd | Hospitality | 2023 |