| ON George's Limited | Hospitality | 2018 |
| Orange Garden Design Ltd | Arts & recreation | 2023 |
| P&D Services Limited | Construction | 2020 |
| P.R.L. (Plant Hire) Limited | Administrative & support | 1981 |
| Panteg Developments Limited | Transport & logistics | 2002 |
| Par-Fect Putters Mini Golf Ltd | Arts & recreation | 2023 |
| Park House Court (Building NO.4) Management Limited | Households | 1992 |
| Park House Court (Building NO.5) Management Limited | Households | 1995 |
| Park House Court Limited | Health & social care | 1997 |
| Park Lane Apartments (Tenby) Limited | Households | 1993 |
| Paul David Process Ltd | Professional & scientific | 2012 |
| Pembroke Dock Community Leisure Limited | Arts & recreation | 2025 |
| Pembroke Street Management Company Limited | Real estate | 2008 |
| Pembrokeshire Adventure Ltd | Administrative & support | 2022 |
| Pembrokeshire Alpaca Trekking Ltd | Agriculture & fishing | 2018 |
| Pembrokeshire Benchmark Services CYF. | Water & waste | 2025 |
| Pembrokeshire Getaways Ltd | Construction | 2022 |
| Pembrokeshire Landscapes & Decking Specialists Ltd | Manufacturing | 2025 |
| Pembrokeshire Landscaping and Groundworks Ltd | Construction | 2026 |
| Pembrokeshire Pasty & PIE Co Ltd | Hospitality | 2009 |
| Pembrokeshire Pasty & PIE Co Tenby Ltd | Hospitality | 2011 |
| Pembrokeshire Premier Cleaners Ltd | Administrative & support | 2024 |
| Pembs Camping Ltd | Hospitality | 2018 |
| Pembs Lets Limited | Administrative & support | 2013 |
| Penally Court Farm Limited | Real estate | 2025 |
| Pendre Lodge Park Limited | Hospitality | 2023 |
| Penfoot Investments Ltd | Arts & recreation | 2025 |
| Perfect Paws Retreat Ltd | Other services | 2025 |
| Perkins and Cooke Limited | Hospitality | 2024 |
| Pete Schwartz Electrical Services Ltd | Construction | 2017 |
| Petronia Consulting Limited | Professional & scientific | 2010 |
| Picton Terrace Management Company Limited | Real estate | 2015 |
| Pili Pala Fabrics Ltd | Wholesale & retail | 2021 |
| Pirimid Construction Services Ltd | Real estate | 2018 |
| PJM Inspection Ltd | Professional & scientific | 2026 |
| Plant Passion Ltd | Manufacturing | 2020 |
| Pleasurelawns Property Management Limited | Households | 1983 |
| Plumstone Property Solutions Ltd | Real estate | 2025 |
| Pond Bridge Phase 1 and 2 Management Company Limited | Households | 2025 |
| Pondbridge Management Company Ltd | Households | 2023 |
| Premier CPD Limited | Professional & scientific | 2012 |
| Prestacycle Limited | Wholesale & retail | 2019 |
| PRL Holdings Limited | Administrative & support | 2006 |
| PRL Plant LLP | | 2009 |
| Promow MAX Ltd | Administrative & support | 2025 |
| Proseal Homes Limited | Real estate | 2016 |
| Prospect House (Tenby) Management Company Ltd | Households | 2016 |
| Quality Schoolwear Limited | Construction | 2005 |
| Quay Hospitality Ltd | Hospitality | 2024 |
| Quayside HR Consultancy Ltd | Administrative & support | 2025 |
| Quinn Mcgrath Civil Engineering Ltd | Construction | 2017 |
| RAY Jones Training Services Ltd | Other services | 2016 |
| Real Time Financial Services Limited | Professional & scientific | 2014 |
| Rectory Car Park (Tenby) Limited | Other services | 2008 |
| Red Property Management Ltd | Households | 2005 |
| Redberth Croft CIC | Agriculture & fishing | 2024 |
| Redberth Gardens Self Catering Management Ltd | Real estate | 2025 |
| REDBOOTZ31 | Manufacturing | 2011 |
| Report Solutions Limited | Financial services | 2014 |
| Resourceprime Limited | Households | 2004 |
| RFP Tenby Ltd | Wholesale & retail | 2017 |
| Rhenti SIR Benfro CYF | Other services | 2023 |
| Rhodewood Management Limited | Households | 2006 |
| Richard Wheat Ltd | Information & communication | 2008 |
| Richmond House Maintenance (Tenby) Limited | Households | 1988 |
| Riptide Waves Limited | Arts & recreation | 2025 |
| Risors Ltd | Professional & scientific | 2013 |
| RJ Pembs Limited | Financial services | 2023 |
| RM & CW Limited | Hospitality | 2025 |
| RM Training and Security Solutions Ltd | Education | 2021 |
| Rock Lobster (Tenby) Ltd | Hospitality | 2025 |
| Rockin Horse Limited | Arts & recreation | 2013 |
| Ronowitz Holdings Ltd | Financial services | 2022 |
| Ronowitz Ltd | Real estate | 2021 |
| Ross Grieve Photography Limited | Other services | 2003 |
| SA Roofing & Building Services Ltd | Construction | 2025 |
| Sage Semantics Ltd | Information & communication | 2024 |
| Sageston Management Company Limited | Households | 2022 |
| Salt House Limited | Hospitality | 2017 |
| Sandtop Group Ltd | Financial services | 2025 |
| Sandtop Ltd | Arts & recreation | 2024 |
| Sauindia Jobconnect Limited | Administrative & support | 2024 |
| Saundersfoot Marine Company Limited | Real estate | 1954 |
| Sea Front Letting (Tenby) Limited | Hospitality | 2014 |
| Sea Glass Holiday Lets Ltd | Households | 2024 |
| Sea Salt Tenby Ltd | Hospitality | 2023 |
| Sea-Land Pembroke Limited | Construction | 1990 |
| Seasons Roofing Limited | Construction | 2008 |
| Seaview Restaurant (Tenby) Limited | Hospitality | 2016 |
| Serendipity Entertainments Limited | Arts & recreation | 1996 |
| Serendipity Holdings Limited | Administrative & support | 1996 |
| Serpentine Gardens Limited | Households | 1991 |
| Sessile Properties Ltd. | Real estate | 2025 |
| SG (OIL & GAS) Consulting Limited | Professional & scientific | 2012 |
| Shake-A-Tini Ltd | Wholesale & retail | 2023 |
| Shoreline Interiors Limited | Manufacturing | 2021 |
| Shoreline Plastics Ltd | Wholesale & retail | 2026 |
| Signspeed Holdings Limited | Manufacturing | 2020 |
| Signspeed Ltd | Manufacturing | 2013 |
| Silver Artisans Limited | Wholesale & retail | 2016 |