| Paramount Business Consultancy Ltd | Professional & scientific | 2025 |
| Paramount Law Limited | Professional & scientific | 2018 |
| Paramount Platforms Limited | Administrative & support | 2009 |
| Paramount Solutions Ltd | Wholesale & retail | 2026 |
| Paramount Supply Ltd | Wholesale & retail | 2025 |
| Parcs Healthcare Limited | Health & social care | 1996 |
| Paremisoft Ltd | Information & communication | 2024 |
| Pari JAY Limited | Other services | 2012 |
| Paris & Sons Ltd | Administrative & support | 2026 |
| Paris Holdings (UK) Ltd | Wholesale & retail | 2022 |
| Paris-Jones Limited | Information & communication | 2001 |
| Parisa Enterprise UK Ltd | Wholesale & retail | 2014 |
| Park Home Rentals UK Ltd | Real estate | 2023 |
| Park Lane Investments Ltd | Real estate | 2026 |
| Parkash Foods Limited | Hospitality | 2025 |
| Parks Farm Investments Ltd | Construction | 2020 |
| Parks Farm Management Limited | Households | 2023 |
| Parktown Property Management Ltd | Households | 2021 |
| Parma Transport Limited | Transport & logistics | 2024 |
| Parmar Anaesthesia Services Limited | Health & social care | 2025 |
| Parmasatt Limited | Real estate | 2019 |
| Parmesan Kitchen Takeaway Limited | Hospitality | 2025 |
| Parpar Ventures Ltd | Real estate | 2022 |
| Parrish Management. Ltd | Real estate | 2005 |
| Parrock Hall Residents Company Limited | Households | 1995 |
| Pars Joinery Ltd | Construction | 2006 |
| Parsal Ltd | Wholesale & retail | 2026 |
| Parsek Group Ltd | Construction | 2023 |
| Parsek Ltd | Construction | 2026 |
| Parshuram Fintech Ltd | Information & communication | 2025 |
| Participant Line Company Ltd | Construction | 2025 |
| Partners in Healthcare Limited | Health & social care | 2009 |
| Partnership Secretarial Services Ltd | Real estate | 1987 |
| Parts Ace Ltd | Wholesale & retail | 2024 |
| PARTS4TUNING Ltd | Wholesale & retail | 2018 |
| Party City Ltd | Wholesale & retail | 2015 |
| Partymax Ltd | Wholesale & retail | 2021 |
| Parul Beauty Parlour Limited | Other services | 2025 |
| Parvis D'Or Ltd | Arts & recreation | 2016 |
| PAS Builders Ltd | Construction | 2015 |
| Pasha Forex Limited | Financial services | 2025 |
| Pasha Lounge Bar & Bistro Ltd | Hospitality | 2026 |
| Passarella Ltd | Wholesale & retail | 2022 |
| Passion Care Service UK Ltd | Health & social care | 2015 |
| Passion Pallet Traders Limited | Wholesale & retail | 2025 |
| Passionate Hearts Investment Ltd | Health & social care | 2024 |
| Passive Property Services Limited | Construction | 2025 |
| Passive Solutions Limited | Professional & scientific | 2024 |
| Pastoral Ltd | Real estate | 2020 |
| Patch Park Farms (Crops) Limited | Agriculture & fishing | 1952 |
| Patel Sandhu Partnership LLP | | 2025 |
| Path Solid Technologies Ltd | Information & communication | 2025 |
| Pathak's Ltd | Transport & logistics | 2015 |
| Pathly Ltd | Information & communication | 2025 |
| Pathways Care and Support Services Limited | Health & social care | 2018 |
| Pathways Community CIC | Hospitality | 2025 |
| Patients 1ST Ltd | Health & social care | 2018 |
| Patini Limited | Administrative & support | 2022 |
| Patlex Facility Management Limited | Administrative & support | 2025 |
| Patrick Trans Services Ltd | Transport & logistics | 2025 |
| Patwal Group Ltd | Real estate | 2022 |
| Patwalia Brickwork Ltd | Construction | 2025 |
| Paty UK Construction Ltd | Construction | 2018 |
| Paul & CAZ Services Ltd | Real estate | 2024 |
| Paul Art Joinery Ltd | Construction | 2019 |
| Paul Boiler Services Ltd | Construction | 2025 |
| Paul Clayton Education Ltd | Information & communication | 2018 |
| Paul Courtney Transport Services Ltd | Transport & logistics | 2015 |
| Paul J. HAS Services Limited | Construction | 2014 |
| Paul Mbadiwe Limited | Professional & scientific | 2025 |
| Paul Michael Cook Ltd | Construction | 2018 |
| Paul N Services Ltd | Transport & logistics | 2020 |
| Paul Perfect Heating Ltd | Other services | 2019 |
| Paul Quatremain Ltd | Real estate | 2022 |
| Paul Victoria (UK) Limited | Professional & scientific | 2013 |
| Paulrossscenery Limited | Manufacturing | 2025 |
| Pavand Ltd | Construction | 2019 |
| Pavanveer Singh Ltd | Wholesale & retail | 2025 |
| Pawush Investment Ltd | Real estate | 2023 |
| PAX Ventures Ltd | Wholesale & retail | 2023 |
| Paxton Palmer Ltd | Wholesale & retail | 2022 |
| PAY Alliance Limited | Financial services | 2026 |
| Paya Chinese Express Limited | Hospitality | 2017 |
| Payhorizon Limited | Financial services | 2024 |
| Paylittle Ltd | Wholesale & retail | 2025 |
| Paymentsave(Uk) Limited | Professional & scientific | 2016 |
| Payne Property Portfolio Ltd | Real estate | 2018 |
| Payroll & Accountancy Services Ltd | Professional & scientific | 2025 |
| PAZ Motor Group Ltd | Wholesale & retail | 2026 |
| PB 001 Limited | Real estate | 2020 |
| PB 002 Limited | Real estate | 2022 |
| PB Built Ltd | Real estate | 2026 |
| PB Fast Solutions Ltd | Construction | 2023 |
| PB08 Property Ltd | Real estate | 2025 |
| PB13 Construction Ltd | Construction | 2025 |
| PBB Investments Limited | Administrative & support | 2001 |
| Pbsk Limited | Transport & logistics | 2018 |
| PC Investment Management Limited | Administrative & support | 2010 |
| PC Restore Services Ltd | Other services | 2026 |
| Pc-Restore Limited | Information & communication | 2002 |