| Prodrive Academy Ltd | Education | 2025 |
| Product Circle Limited | Information & communication | 2012 |
| Product Ventures Europe Limited | Professional & scientific | 2020 |
| Products Happiness Limited | Wholesale & retail | 2023 |
| Profiremovals Limited | Transport & logistics | 2021 |
| Project KN Limited | Wholesale & retail | 2025 |
| Project Mars Limited | Financial services | 2022 |
| Project One Theatre Company Limited | Arts & recreation | 2016 |
| Properten Ltd | Real estate | 2019 |
| Properties Dimension Limited | Real estate | 2021 |
| Property Estates U K Ltd | Real estate | 2022 |
| Property Exchange Resolver Limited | Financial services | 2018 |
| Property Practically Managed Ltd | Real estate | 2022 |
| Property Services for YOU Ltd | Other services | 2014 |
| Prosafe Security Ltd | Real estate | 2021 |
| Prosett Home Improvements Limited | Construction | 2011 |
| Prosperix Ltd | Wholesale & retail | 2024 |
| Protea Capital Holdings Limited | Financial services | 2016 |
| Protective Security (UK) Limited | Administrative & support | 2014 |
| Protom Plumbing Services Ltd | Construction | 2018 |
| Protouch Cleaning & Gardening Services Ltd | Administrative & support | 2025 |
| Protouch Home Improvements Limited | Construction | 2018 |
| Protouch Property Maintenance Ltd | Construction | 2023 |
| Proven Property Partners Limited | Real estate | 2025 |
| Provenvisions Limited | Real estate | 2026 |
| Provide Design Ltd | Professional & scientific | 2024 |
| Provide IT Solutions Limited | Information & communication | 2015 |
| Prudential Technologies Limited | Information & communication | 2014 |
| Prunty Construction Ltd | Construction | 2008 |
| Psart Investments Ltd | Real estate | 2022 |
| Pscan.Uk Ltd | Manufacturing | 2014 |
| PSD Grins Ltd | Health & social care | 2024 |
| Psdh Ltd | Transport & logistics | 2022 |
| PSL People Solutions Ltd | Construction | 2020 |
| Psqs Services Limited | Professional & scientific | 2019 |
| PSQUARED2 Ltd | Real estate | 2017 |
| Psychreg Ltd | Information & communication | 2020 |
| Ptbyjp Ltd | Other services | 2021 |
| Pullen Stonemasonry & Building Restoration Ltd | Construction | 2021 |
| Pulse Delivery Ltd | Transport & logistics | 2019 |
| Pulse Kitchens Limited | Manufacturing | 2016 |
| Punto Restaurant Ltd | Hospitality | 2020 |
| Purely Clean Services Ltd | Administrative & support | 2026 |
| Purestar Chem Enterprise Co., Ltd | Extraterritorial | 2015 |
| Purewal Capital LLP | | 2018 |
| Purewal Property Ltd | Real estate | 2016 |
| Purity & Purify Ltd | Manufacturing | 2023 |
| Purja Investment Ltd | Real estate | 2022 |
| Purnima Gurung Ltd | Health & social care | 2020 |
| Purplefeet Contractors Limited | Information & communication | 2010 |
| Puzed Ltd | Information & communication | 2022 |
| PV Network Ltd | Wholesale & retail | 2025 |
| PVS Shipping Line Limited | Transport & logistics | 2016 |
| PW Design Ltd | Professional & scientific | 2018 |
| PWP Visuals Ltd | Construction | 2019 |
| Pyara Ghar Limited | Real estate | 2019 |
| Qadre Ltd | Information & communication | 2017 |
| Qbrainx UK Private Ltd | Information & communication | 2022 |
| Qianhang Shipping Service Co., Ltd | Wholesale & retail | 2019 |
| Qibao International Trading Co., Ltd | Wholesale & retail | 2023 |
| Qingdao Shengxiancheng Crafts Co., Ltd. | Wholesale & retail | 2024 |
| Qingdao Songhuiyuan Trading Co., Ltd | Extraterritorial | 2018 |
| Qingdao YRH Industrial Co., Ltd. | Wholesale & retail | 2018 |
| QU Money Ltd | Financial services | 2025 |
| Quaives Music Limited | Information & communication | 2002 |
| Qualitee Plumbing and Heating Limited | Construction | 2018 |
| Quantalens Ltd | Information & communication | 2025 |
| Quanzhou Topradio Electronic Co., Ltd. | Administrative & support | 2021 |
| Quatrefoils Ltd | Professional & scientific | 2014 |
| Quay Kitchen Ltd | Hospitality | 2024 |
| Quboid Ltd | Other services | 2009 |
| Quendale Limited | Real estate | 2010 |
| Quest Consulting Limited | Professional & scientific | 2024 |
| Quick Shop Stop Limited | Wholesale & retail | 2025 |
| Quickbeat Consulting Ltd | Professional & scientific | 2012 |
| Quill Projects Limited | Construction | 2020 |
| Qurious Education Ltd | Education | 2018 |
| R & H Production Ltd | Wholesale & retail | 2020 |
| R & R Healthcare Ltd | Health & social care | 2012 |
| R & S Automotive Ltd | Wholesale & retail | 2018 |
| R Abbott Heating Ltd | Construction | 2013 |
| R Bailey Properties Limited | Real estate | 2015 |
| R Damp Services Limited | Construction | 2017 |
| R Diamonds Ltd | Wholesale & retail | 2023 |
| R Magdani Investments Limited | Real estate | 2022 |
| R Patel Plumbing Ltd | Construction | 2024 |
| R Suhan Limited | Manufacturing | 2015 |
| R T Contractors Essex Limited | Administrative & support | 2022 |
| R W G DUB Limited | Professional & scientific | 2010 |
| R Walshe Construction Limited | Construction | 2007 |
| R&P Professional Services Limited | Professional & scientific | 2017 |
| R&S Caterers Limited | Hospitality | 2025 |
| R&S Global Ltd | Wholesale & retail | 2020 |
| R&S Investment Group Limited | Real estate | 2025 |
| R. & R. Realty Limited | Real estate | 2003 |
| R. Knowles Electrical Limited | Construction | 2018 |
| R. W. B. Limited | Professional & scientific | 1999 |
| R.Burgess Services Limited | Construction | 2015 |
| R.D.V. Solutions Ltd | Administrative & support | 2011 |
| R.P.Optical Services Limited | Health & social care | 2004 |