| Prompt Electrical Services Ltd | Construction | 2026 |
| Prompt General Repair Limited | Construction | 2020 |
| Promptable Ltd | Information & communication | 2024 |
| Pronto Caldo Ltd | Wholesale & retail | 2019 |
| Proof Bar Ltd | Hospitality | 2026 |
| Proofs Property Ltd | Financial services | 2021 |
| Proove Events Limited | Hospitality | 2019 |
| Proove Holdings Limited | Hospitality | 2019 |
| Prop Home Limited | Real estate | 2020 |
| Prop IT Like It's Hot Ltd | Manufacturing | 2022 |
| Propel Retail Ltd | Wholesale & retail | 2019 |
| Proper Good Properties Ltd | Real estate | 2024 |
| Proper Pasty Company Limited | Wholesale & retail | 1999 |
| Proper Plumbing Ltd | Construction | 2023 |
| Properta Commercial Ltd | Real estate | 2002 |
| Properta Group Ltd. | Financial services | 2022 |
| Properta Residential Ltd. | Real estate | 2022 |
| Propertez Ltd | Real estate | 2020 |
| Properties by GEM Ltd | Real estate | 2025 |
| Properties by Heritage Ltd | Real estate | 2025 |
| Properties R US (UK) Ltd | Real estate | 2014 |
| Properties to LET Ltd | Construction | 2002 |
| Propertpix Limited | Professional & scientific | 2015 |
| Property & Property Ltd | Real estate | 2017 |
| Property 13 Limited | Real estate | 2023 |
| Property 1984 Limited | Real estate | 2018 |
| Property Advisory Limited | Professional & scientific | 2017 |
| Property BC Ltd | Real estate | 2024 |
| Property Bowl Limited | Real estate | 2019 |
| Property by Rani Limited | Real estate | 2025 |
| Property Developer Services Limited | Extraterritorial | 2025 |
| Property Group SY Ltd | Real estate | 2026 |
| Property Heatcare Limited | Construction | 2004 |
| Property Improvements Sheffield Limited | Construction | 2020 |
| Property Investment Firm Ltd | Real estate | 2016 |
| Property Management 20- Ltd. | Real estate | 2017 |
| Property Management 21 Ltd. | Real estate | 2018 |
| Property Outfit Ltd | Real estate | 2014 |
| Property Projects Group Limited | Real estate | 2022 |
| Property Renovators (UK) Limited | Construction | 2013 |
| Property Sourcing People Ltd | Real estate | 2024 |
| Property Squared Limited | Real estate | 2022 |
| Property Stack (Management) Limited | Real estate | 2019 |
| Property Stack Ltd | Real estate | 2017 |
| Property Web Limited | Real estate | 2022 |
| Property With Chloe Ltd | Real estate | 2024 |
| PROPERTY4U.CO.UK Ltd | Professional & scientific | 2006 |
| Propertytours.Tv Limited | Information & communication | 2013 |
| Prophecy Holdings Limited | Arts & recreation | 2021 |
| Prophetic Power House | Other services | 2018 |
| Propig Ltd | Hospitality | 2025 |
| Propkoa Limited | Construction | 2021 |
| Proplusenglish Ltd | Education | 2023 |
| Propria Consulting Ltd | Professional & scientific | 2023 |
| Propsafer Security Limited | Administrative & support | 2020 |
| Proroom Solutions Limited | Households | 2024 |
| Proshot Social Ltd | Professional & scientific | 2024 |
| Prosol UK Sales and Distribution Limited | Wholesale & retail | 2015 |
| Prosolve Cleaning Services Limited | Administrative & support | 2022 |
| Prospect Enterprises (UK) Limited | Financial services | 2003 |
| Prospect Facilities Management Limited | Construction | 2015 |
| Prospect Holdings Limited | Real estate | 2021 |
| Prospect Road Auto Centre Ltd | Wholesale & retail | 2025 |
| Prospective Building Solutions Limited | Construction | 2020 |
| Prosperuum Limited | Construction | 2025 |
| Prosurface Group Ltd | Administrative & support | 2026 |
| Protec Limited | Extraterritorial | 1993 |
| Protec Render Supplies Ltd | Construction | 2018 |
| Protech Sheffield Limited | Energy | 2018 |
| Protect What Matters Most Limited | Financial services | 2021 |
| Protected Learning Time Limited | Education | 2002 |
| Protecting Together CIC | Education | 2025 |
| Protector Security Services Ltd | Administrative & support | 2022 |
| Proteinology Ltd | Professional & scientific | 2015 |
| Protekta Security Ltd | Administrative & support | 2023 |
| Protogt Ltd | Professional & scientific | 2024 |
| Protoll Limited | Manufacturing | 2011 |
| Protologic Limited | Information & communication | 1997 |
| Prototronixai Limited | Professional & scientific | 2026 |
| Prototype Creative Limited | Professional & scientific | 2008 |
| Protrol (Sheffield) Limited | Manufacturing | 1990 |
| Protégé International Limited | Arts & recreation | 2019 |
| Proud to Care Limited | Health & social care | 2012 |
| Provedsaa Ltd | Wholesale & retail | 2024 |
| Proveer Ltd | Wholesale & retail | 2024 |
| Proveito Ltd | Information & communication | 2022 |
| Proveito Property Ltd | Real estate | 2023 |
| Provestigate Consulting Limited | Professional & scientific | 2012 |
| Providence Healthcare Solutions Limited | Health & social care | 2015 |
| Providence Maintenance & Electrical Services Ltd | Construction | 2010 |
| Prowess Access Solutions Ltd | Construction | 2023 |
| Prowood Joinery Limited | Manufacturing | 2013 |
| Proxima Powder Metallurgy Limited | Manufacturing | 2016 |
| Proxy Logistics Ltd | Other services | 2026 |
| PRP Security Limited | Administrative & support | 2013 |
| PRP Shop Ltd | Wholesale & retail | 2020 |
| Prrp Limited | Construction | 2014 |
| Prsrcs Services Limited | Other services | 2012 |
| Prudence Healthcare Services Ltd | Health & social care | 2025 |
| Prya Ltd | Wholesale & retail | 2019 |