| Physick Engineering Ltd | Professional & scientific | 2023 |
| PHZ Motorsports Ltd | Wholesale & retail | 2024 |
| Pilot Paul Properties Limited | Real estate | 2026 |
| Pinningtons (Rhos-On-Sea) Limited | Real estate | 1964 |
| Pjdh Ltd | Real estate | 2019 |
| Plasglasgwm Limited | Hospitality | 1998 |
| Playtime Jungle Ltd | Arts & recreation | 2023 |
| PLD Products Limited | Wholesale & retail | 2013 |
| PM - QS - CM Services Ltd | Construction | 2021 |
| PMS Fuel Services Limited | Wholesale & retail | 2024 |
| Pnash Limited | Health & social care | 2024 |
| Poly Services (NW) Limited | Administrative & support | 2022 |
| Portia Nancy Ltd | Other services | 2023 |
| Powlsons Limited | Manufacturing | 2001 |
| Praesto Partners Ltd | Administrative & support | 2025 |
| Precious Care Solutions UK Limited | Administrative & support | 2026 |
| Precision Engineering Products Limited | Manufacturing | 2018 |
| Precision Paws Training Co Ltd | Other services | 2026 |
| Precom Technologies Ltd | Professional & scientific | 1999 |
| Premier Barbers Shop Ltd | Other services | 2024 |
| Premiere Homes Limited | Construction | 2001 |
| Prime Time Business Solutions Ltd | Professional & scientific | 2013 |
| Princess Road After School Club Limited | Health & social care | 1999 |
| PRINT2GO Ltd | Manufacturing | 2026 |
| Pristine Specialist Coatings Ltd | Wholesale & retail | 2020 |
| Pritchett & Co Business Advisers Limited | Professional & scientific | 2017 |
| Pritchett & Co Limited | Professional & scientific | 2010 |
| Pro Travel Limited | Administrative & support | 2022 |
| Probuild (Conwy) Ltd | Real estate | 2018 |
| Probuild (Llandudno) Ltd | Construction | 2010 |
| Probuild Construction (Llandudno) Ltd | Construction | 2019 |
| Procross Construction Limited | Construction | 2002 |
| Project Edge Topco Limited | Financial services | 2022 |
| Prolec (NW) Ltd | Manufacturing | 2016 |
| Prom Ally CIC | Wholesale & retail | 2020 |
| Proprice Ltd | Information & communication | 2020 |
| Propxchain Ltd | Information & communication | 2026 |
| Proserve Debt Recovery & Bailiff Services Ltd | Administrative & support | 2010 |
| Proserve Debt Recovery & PCN Services Limited | Administrative & support | 2016 |
| Proserve Property Management Limited | Real estate | 2014 |
| Protox Aesthetics Ltd | Health & social care | 2018 |
| PSC Autos Limited | Wholesale & retail | 2017 |
| PTS Energy Solutions Ltd | Wholesale & retail | 2022 |
| Putter Refurb U.K Limited | Manufacturing | 2021 |
| PWR Projects Ltd | Wholesale & retail | 2026 |
| PYB Limited | Real estate | 2005 |
| Quadvise Business Consultancy Limited | Professional & scientific | 2026 |
| Qual-It Services Limited | Professional & scientific | 2008 |
| Quality Information Limited | Professional & scientific | 1987 |
| Quays to Castles Limited | Construction | 2020 |
| Qubec Investments Limited | Real estate | 2021 |
| Quick 3 Magazines Limited | Manufacturing | 2023 |
| Quinn Family Holdings Ltd | Financial services | 2014 |
| Quinton Bros. Limited | Real estate | 2019 |
| Qumans Ltd | Information & communication | 2025 |
| R F Roberts Limited | Professional & scientific | 2015 |
| R Hughes & Co Ltd | Wholesale & retail | 2020 |
| R J Botfield & SON Limited | Administrative & support | 2017 |
| R J Williams Ltd | Hospitality | 2024 |
| R&Cm Owen Ltd | Hospitality | 2019 |
| R.E. & M. Limited | Wholesale & retail | 1982 |
| R.S. Scaffolding (N.W.) Limited | Construction | 1987 |
| R24/7 Private Investigations Ltd | Administrative & support | 2023 |
| R24/7 Security Services Ltd | Administrative & support | 2024 |
| Race and Restore Ltd | Manufacturing | 2026 |
| Race Engineering Group Limited | Manufacturing | 2022 |
| Raza Medical Ltd | Health & social care | 2016 |
| RB Electrics Limited | Construction | 2018 |
| RC Northwales Limited | Administrative & support | 2023 |
| Real Time Accountants Limited | Professional & scientific | 2022 |
| Reaper 24/7 Academy Ltd | Education | 2022 |
| Recharge IP Ltd | Administrative & support | 2025 |
| Red Hot Fire Manufacturing & Distribution Ltd | Manufacturing | 2012 |
| Refract Global Gaming Ltd | Information & communication | 2026 |
| Reme Paints Ltd | Wholesale & retail | 2021 |
| Renn Media Holdings Limited | Information & communication | 2026 |
| Repo Studio Limited | Information & communication | 2023 |
| Reservoir Geosolutions Ltd | Professional & scientific | 2006 |
| Rhiw Bank Limited | Households | 2003 |
| Rhos Abbey Management Company Limited | Households | 1999 |
| Rhos Harbour Apartments Limited | Real estate | 2014 |
| Rhos Launderette Limited | Other services | 2002 |
| Rhos Motors Ltd | Wholesale & retail | 2024 |
| Rhos on Sea Pizza Kebab Ltd | Hospitality | 2025 |
| Rhos Pizza Kebab Ltd | Hospitality | 2020 |
| Rhosendale Holdings Limited | Real estate | 2017 |
| Rhosmills Limited | Hospitality | 2025 |
| Richard M Broughton Limited | Professional & scientific | 2005 |
| Richard.T.Newsham Limited | Agriculture & fishing | 2003 |
| Riverview Apartments Management Company Ltd | Real estate | 2008 |
| Roberts Building & Plastering Limited | Construction | 2024 |
| Roberts Reinforcements Ltd | Manufacturing | 2023 |
| Robson Engineering Limited | Administrative & support | 2007 |
| Rocky Lane Developments Limited | Construction | 2018 |
| Roebuck Property Development Ltd | Construction | 2025 |
| Roja Holdings Ltd | Real estate | 2025 |
| Roland Young Limited | Transport & logistics | 1987 |
| Ron's Plumbing & Heating Limited | Construction | 2004 |
| ROR Barber Ltd | Other services | 2026 |
| Ross Construction Management Limited | Construction | 2023 |