| Partrishow Plant Limited | Extraterritorial | 1996 |
| Paul Smith Publishing Limited | Information & communication | 2013 |
| Pawb Arts CIC | Wholesale & retail | 2025 |
| Paws & Relax With Shannon Marie Ltd | Other services | 2026 |
| Pcoa Limited | Professional & scientific | 2011 |
| Pearl of Africa Child Care Limited | Education | 2006 |
| Pearl Realty Investments Ltd | Real estate | 2025 |
| Pegasus CRT Abergavenny RTM Company Limited | Households | 2025 |
| Pegasus Landing Ltd | Wholesale & retail | 2025 |
| Pembroke House Group Ltd | Other services | 2019 |
| PEN Allt Ltd | Real estate | 2025 |
| PEN Y LAN Residential Limited | Real estate | 2020 |
| Penbidwal Medical Services Limited | Health & social care | 2018 |
| Penpergwm House Limited | Health & social care | 2002 |
| Penrhos Consulting Services Ltd | Professional & scientific | 2018 |
| Penyfal Radiology Ltd | Health & social care | 2018 |
| Percivals Nurseries Limited | Construction | 1955 |
| Pereja Care Services Ltd | Health & social care | 2023 |
| Perry Orchard Farm Limited | Real estate | 1993 |
| Personalisation Boutique Ltd | Manufacturing | 2020 |
| Peter G Charles Limited | Wholesale & retail | 2020 |
| Peter Jones (I.L.G.) Ltd | Manufacturing | 1973 |
| PG Associated Investments Limited | Real estate | 2011 |
| PH Care Holdings Limited | Financial services | 2018 |
| Phaseterm Residents Management Limited | Households | 1987 |
| Phoenix Books Limited | Wholesale & retail | 2007 |
| Piano Orchestra C.I.C. | Education | 2026 |
| Pidea Ltd | Information & communication | 2011 |
| Pink Angels Limited | Administrative & support | 2012 |
| Pioneer Avionics UK Ltd | Transport & logistics | 2009 |
| Pistyll Arts Association Ltd | Arts & recreation | 2026 |
| Pistyll Arts Ltd | Arts & recreation | 2026 |
| Pizza ETO Limited | Hospitality | 2026 |
| Pizzorante Limited | Hospitality | 2011 |
| Plas Derwen Management Company Limited | Households | 1986 |
| Plas Gunter Mansion Trust CYF | Arts & recreation | 2011 |
| Plasterworks (South Wales) Limited | Administrative & support | 2004 |
| Platform Dynamics Ltd | Information & communication | 2015 |
| Pmbv Ltd | Information & communication | 2026 |
| Polyforce Ltd | Water & waste | 2025 |
| Pomegranate Creative Limited | Information & communication | 2006 |
| Pontprennau Sushi Ltd | Hospitality | 2025 |
| Popurse Limited | Professional & scientific | 2015 |
| Porton Estates Limited | Real estate | 2013 |
| Powell Bespoke Interiors Ltd | Manufacturing | 2022 |
| Powell Build Ltd | Construction | 2025 |
| Powell Group Limited | Financial services | 2017 |
| Powell Morris Engineering Limited | Professional & scientific | 2019 |
| Powells Forest and Garden Equipment Limited | Manufacturing | 2011 |
| Powell’S Construction Services Ltd | Construction | 2024 |
| Powerhands Products Ltd | Extraterritorial | 2002 |
| Powys Plant Limited | Construction | 1975 |
| PP7 Solutions Ltd | Construction | 2025 |
| PR Consultancy & Supplies Limited | Professional & scientific | 2008 |
| Premier Co-Pack Solutions Ltd | Administrative & support | 2025 |
| Premier Financial Services (ALL) Limited | Financial services | 1999 |
| Prestige Care Agency Services Limited | Health & social care | 2017 |
| Price & Partners Limited | Professional & scientific | 2005 |
| Prima Partners Global Limited | Administrative & support | 2019 |
| Prince & Co PUB Group Ltd | Hospitality | 2026 |
| Principality Care Ltd | Health & social care | 2024 |
| Priodweddau Ltd | Real estate | 2019 |
| Prioredge Limited | Construction | 1990 |
| Priory Court (Abergavenny) Limited | Households | 1982 |
| Priskilly Limited | Administrative & support | 2017 |
| Pro Build Concepts Limited | Construction | 2026 |
| Pro Fit Window Installations Limited | Construction | 2021 |
| Process Consulting Limited | Information & communication | 2015 |
| Proctor Property Services Ltd | Real estate | 2025 |
| Professional Gardeners' Trust | Other services | 2002 |
| Prontova Ltd | Administrative & support | 2025 |
| Property Wealth Management Limited | Real estate | 2015 |
| Pubtopia CIC | Wholesale & retail | 2025 |
| Puddles CIC | Agriculture & fishing | 2023 |
| Pumplynn Limited | Agriculture & fishing | 1978 |
| Puppetsoup Limited | Arts & recreation | 2013 |
| Purple Alpha Limited | Extraterritorial | 2011 |
| Purple Turtle Enterprises Limited | Wholesale & retail | 2006 |
| Pursey Constructions Ltd | Construction | 2021 |
| Pysgodyn Productions Ltd | Information & communication | 2019 |
| Q Care Limited | Health & social care | 1993 |
| Quadzu Limited | Administrative & support | 2019 |
| R a H Consultants Limited | Professional & scientific | 2016 |
| R Jones Installations Limited | Construction | 2020 |
| R Jowitt Consulting Ltd | Professional & scientific | 2025 |
| R M Farming Limited | Agriculture & fishing | 2006 |
| R Williams Plumbing & Heating (Abergavenny) Ltd | Construction | 2023 |
| R. M .E. Plant Hire & Civil Engineering Limited | Construction | 2003 |
| Racecourse Wholesale Limited | Wholesale & retail | 2014 |
| Radiallogic Ltd | Information & communication | 2015 |
| Radical Tea Towel US Ltd | Wholesale & retail | 2019 |
| Rainbow Investment Property Limited | Real estate | 2021 |
| Rainbow Parks & Garden Ltd | Hospitality | 2018 |
| Rapid Eco Homes Ltd | Construction | 2024 |
| RAW to Go Limited | Wholesale & retail | 2017 |
| Rawweldprestige Ltd | Manufacturing | 2024 |
| RCS Wales Limited | Administrative & support | 2006 |
| Reactive Property Maintenance ( S. Wales) Limited | Construction | 2014 |
| Ready Driver One Limited | Wholesale & retail | 2025 |
| Realife Learning Ltd | Professional & scientific | 2020 |