| Occasion Wear for Kids Limited | Wholesale & retail | 2014 |
| Octagon Construction Ltd | Construction | 2013 |
| Octavia Solutions Ltd | Financial services | 2022 |
| One Stop Marine Stores Limited | Real estate | 2015 |
| Ormewood Ltd | Real estate | 2024 |
| Otltrading Ltd | Wholesale & retail | 2025 |
| OUR Lost Cause Ltd | Arts & recreation | 2023 |
| Owen and Williams Trading Co. Ltd | Wholesale & retail | 2024 |
| Owen Astbury Developments Limited | Real estate | 2015 |
| Owens Plumbing Services Limited | Construction | 2015 |
| P Doherty Enterprises Ltd | Hospitality | 2021 |
| Padmol Limited | Wholesale & retail | 2011 |
| Paradise Global Ltd | Hospitality | 2024 |
| Paragon Driveways Limited | Construction | 2017 |
| Parry Ventures Ltd | Construction | 2025 |
| Passeggiata Clothing Ltd | Wholesale & retail | 2021 |
| Peak Performance Centre Ltd | Wholesale & retail | 2020 |
| Pecunia Raeda Ltd | Financial services | 2023 |
| Peel’S Wheels Driver Training Ltd | Education | 2023 |
| Pendre Bookkeeping Ltd | Professional & scientific | 2023 |
| Perry Sports Marketing Limited | Professional & scientific | 2010 |
| Peter Roberts & SON Funeral Services Ltd | Other services | 2021 |
| Petroleum Systems Limited | Professional & scientific | 2012 |
| Phase Counselling Ltd | Health & social care | 2025 |
| Philip Davidson Ltd | Other services | 2020 |
| Pixel Fine Art Ltd | Arts & recreation | 2024 |
| PL SON Private Ltd | Wholesale & retail | 2024 |
| PNB GAS Services Ltd | Construction | 2020 |
| Potens Investments Ltd | Real estate | 2025 |
| Powdermiser Ltd | Wholesale & retail | 2024 |
| Premier Taxation Services Limited | Professional & scientific | 2014 |
| Prestaconsult Ltd | Health & social care | 2026 |
| Prestatyn Events Group Community Interest Company | Other services | 2008 |
| Prestatyn General Stores Ltd | Wholesale & retail | 2024 |
| Prestatyn Hair CUT Ltd | Other services | 2025 |
| Prestatyn Masonic Buildings Limited | Real estate | 1971 |
| Prestatyn Men's Shed CIC | Manufacturing | 2017 |
| Prestatyn Property Limited | Real estate | 2015 |
| Prestatyn Sports Football Club Ltd | Arts & recreation | 2024 |
| Prestatyn Stores Ltd | Wholesale & retail | 2024 |
| Prestatyn Town Football Club Limited | Arts & recreation | 2011 |
| Prestatyn Vapours Ltd. | Wholesale & retail | 2022 |
| Prestatynsportsandsocialclub Ltd | Hospitality | 2025 |
| Prestige Construction & Consultants Limited | Construction | 2025 |
| Prime Trend Global Ltd | Wholesale & retail | 2025 |
| PRIORITY1 Fire and Secuity Ltd | Administrative & support | 2026 |
| Priory Services Limited | Hospitality | 2020 |
| Prism Electrical Contractors Limited | Construction | 2017 |
| Progress School of Motoring Limited | Other services | 2005 |
| Project Management for ME Limited | Other services | 2012 |
| Proslip Ltd. | Information & communication | 2006 |
| Prys Jones Commercial Limited | Professional & scientific | 2010 |
| PSL School of Motoring Ltd. | Education | 2019 |
| Puleston Property Ltd | Real estate | 2024 |
| Pure Gymnastics Ltd | Education | 2025 |
| Purple Services Ltd | Professional & scientific | 2015 |
| PWT Europe Ltd | Wholesale & retail | 2025 |
| Quinns Car & Commercials Ltd | Wholesale & retail | 2022 |
| R & B Car Hand Wash Limited | Administrative & support | 2020 |
| R F Truck Wash Ltd | Other services | 2015 |
| R L Whiteside Zero Waste Stores Limited | Wholesale & retail | 2021 |
| Race Angels Ltd | Arts & recreation | 2019 |
| Racketsync Ltd | Information & communication | 2026 |
| Rankcentral Residents Management Limited | Households | 1988 |
| Rapiddream Limited | Professional & scientific | 2003 |
| Raven (Wales) Ltd | Administrative & support | 2014 |
| RAW Strength Ltd | Administrative & support | 2022 |
| RE Sourced Limited | Wholesale & retail | 2022 |
| Red Dragon Leisure Limited | Hospitality | 2020 |
| Red Hall Ventures Ltd | Information & communication | 2013 |
| Redbows Ltd | Professional & scientific | 2004 |
| Reddaway Properties Ltd | Real estate | 2025 |
| Regis Cunningham Taylor Ltd | Wholesale & retail | 2018 |
| Rentbyjames Ltd | Real estate | 2024 |
| Reset & Focus! Ltd | Information & communication | 2018 |
| Reset Denbighshire Ltd | Administrative & support | 2025 |
| Resolute Safety Ltd | Professional & scientific | 2026 |
| Retgroup Limited | Construction | 2017 |
| Richards Building Solutions Ltd | Construction | 2018 |
| Riverbank Home Care Ltd | Health & social care | 2023 |
| RJ Valeting Service Limited | Manufacturing | 2025 |
| RK Bathrooms Ltd | Wholesale & retail | 2014 |
| RMH Aesthetics Ltd | Other services | 2026 |
| Roberts Properties Prestatyn Limited | Households | 2017 |
| Rojh Properties Ltd | Real estate | 2026 |
| Roof Improvements UK Ltd | Construction | 2024 |
| Rosie'Z Limited | Hospitality | 2019 |
| Rothwell Rentals Ltd | Real estate | 2025 |
| Rowlands & Sons Couriers Ltd | Transport & logistics | 2025 |
| Rowson Haulage Ltd | Transport & logistics | 2015 |
| Royaston Limited | Hospitality | 2022 |
| RPS Contracts Ltd | Administrative & support | 2025 |
| Rumours (NW) Limited | Hospitality | 2016 |
| S & J Autocentre Limited | Wholesale & retail | 2017 |
| S & J Wind Services Ltd | Professional & scientific | 2025 |
| S & P Fencing Limited | Construction | 2016 |
| S.A Private Limited | Wholesale & retail | 2023 |
| S9 Comms Limited | Information & communication | 2013 |
| Saige Hub Ltd | Wholesale & retail | 2023 |
| Saigon Nails PTD Ltd | Other services | 2017 |