| Paul Sinnott Carpentry Ltd | Construction | 2021 |
| Pedol Investments (Holdings) Limited | Real estate | 2022 |
| Pedol Investments Limited | Real estate | 2016 |
| Peis Like US Ltd | Hospitality | 2025 |
| Pembrokeshire Medical Group Ltd | Health & social care | 2024 |
| Pembrokeshire Mobile Tyres Ltd | Wholesale & retail | 2026 |
| Pembrokeshire Perspective Films Ltd | Information & communication | 2023 |
| Pembrokeshire Properties Limited | Real estate | 2002 |
| Pembrokeshire Tyre Services Ltd | Wholesale & retail | 2025 |
| Pembs Maintenance Services Ltd | Construction | 2021 |
| Pembs Pantry Ltd | Manufacturing | 2024 |
| Penbryn Complex LLP | | 2019 |
| Peppers Fishguard Limited | Hospitality | 2018 |
| Phillips Property Investment and Management Limited | Households | 2013 |
| Pickett Holdings Limited | Real estate | 1959 |
| PK Plumbing & HTG Limited | Construction | 2021 |
| Playdays Crymych Cyfyngedig | Health & social care | 2019 |
| Playdays Fishguard Limited | Health & social care | 2013 |
| Porthgain Boats Limited | Agriculture & fishing | 2018 |
| Potting Shed Retreats Limited | Hospitality | 2020 |
| Precious Metal Art Ltd | Manufacturing | 2003 |
| Preseli Estates Ltd | Real estate | 2005 |
| Preseli Management Ltd | Real estate | 2010 |
| Priodi Ltd | Information & communication | 2025 |
| Pritchard A'R Partneriaid PAC | | 2011 |
| QS Technik Limited | Professional & scientific | 2010 |
| Quinquari Limited | Manufacturing | 2014 |
| R D Loco Limited | Construction | 2025 |
| R P Agricultural Limited | Agriculture & fishing | 2025 |
| R.And W.Oxbury Limited | Real estate | 1960 |
| Ransom Professional Services Limited | Health & social care | 2004 |
| Renewable Electrical Technologies Wales Limited | Manufacturing | 2020 |
| Resolution Private Capital Limited | Financial services | 2011 |
| RHW Property Services Ltd | Construction | 2024 |
| Roos (Cardiff) Limited | Hospitality | 2024 |
| Rotabit Limited | Real estate | 1972 |
| Rowberry Mechanical Services Ltd | Professional & scientific | 2025 |
| RWE Property Maintenance Ltd | Construction | 2023 |
| S C Thomas Solutions Limited | Extraterritorial | 2015 |
| S Craig & Sons Limited | Construction | 1991 |
| Sbrf Holdings Ltd | Financial services | 2023 |
| Seatrust Community Interest Company | Professional & scientific | 2012 |
| Serapias Limited | Professional & scientific | 2002 |
| Shali Motors Limited | Wholesale & retail | 2010 |
| Sides Cooper Holdings Limited | Financial services | 2022 |
| Simon Cleal Contractors Limited | Construction | 2002 |
| Slate House Farms (Elsted) Limited | Agriculture & fishing | 1985 |
| SLT Construction Limited | Real estate | 2015 |
| Smart Farming Consultancy Ltd | Professional & scientific | 2022 |
| Smith & Sons Building Contractors Ltd | Construction | 2024 |
| Snowflake Limited | Professional & scientific | 2015 |
| Spectrum Laboratories Ltd | Health & social care | 2010 |
| ST Davids Dental Care Limited | Health & social care | 2007 |
| Stick EM UP Signs and Print Ltd | Professional & scientific | 2025 |
| Strumble Enterprises Limited | Real estate | 2001 |
| Sun and Salt Escapes Ltd | Administrative & support | 2026 |
| Sunnybank Lodge Limited | Hospitality | 2020 |
| Susan Thomas Limited | Wholesale & retail | 2015 |
| T.M.J Traders Ltd | Wholesale & retail | 2024 |
| Tailored Cleaning 4U Ltd | Administrative & support | 2023 |
| Tailored Management 4U Ltd | Other services | 2023 |
| Tenby Optics Limited | Wholesale & retail | 2016 |
| THE Brodog Timber Co. Ltd. | Manufacturing | 2018 |
| THE Feet Suite Limited | Other services | 2021 |
| THE Ffald-Y-Brenin Trust Limited | Hospitality | 2012 |
| THE Golden Lion (Pembrokeshire) Ltd | Hospitality | 2012 |
| THE Gourmet PIG LLP | | 2011 |
| THE Landscape Hub Ltd | Administrative & support | 2024 |
| THE Little Village Fishguard Ltd | Arts & recreation | 2025 |
| THE Lower Fishguard Village Trust | Professional & scientific | 2005 |
| THE Mill at the Back of Beyond CIC | Manufacturing | 2024 |
| THE Pepper Property Partnership LLP | | 2021 |
| THE Property Buyers Agent Ltd | Construction | 2010 |
| THE William Marshall Partnership Limited | Professional & scientific | 1999 |
| Theatr Gwaun Community Trust | Arts & recreation | 2011 |
| Thoughtful Media Investments Limited | Financial services | 2024 |
| Thoughtful Media Ltd | Information & communication | 2014 |
| TIM Macmahon Surveying Ltd | Professional & scientific | 2012 |
| Tony Morris & Sons Developments Limited | Construction | 1991 |
| Top Dog Graphics Ltd | Extraterritorial | 2010 |
| Total Screed Solutions Limited | Construction | 2021 |
| Transactional Analysis Cymru Ltd | Education | 2020 |
| Treberfedd Cyfyngedig | Agriculture & fishing | 2014 |
| Tretio Caravan & Camping Park Limited | Hospitality | 2009 |
| Trove Fishguard C.I.C. | Education | 2025 |
| Trubuild Pembs Limited | Construction | 2020 |
| Trueform Developments Limited | Real estate | 2001 |
| TY Clai Ltd | Manufacturing | 2024 |
| TY Llwyd Limited | Professional & scientific | 2011 |
| Tyddyn Dolwerdd CYF | Professional & scientific | 2011 |
| Tynewydd Developments Limited | Construction | 1997 |
| Unbound Athletes Club Limited | Education | 2025 |
| Vicarage Ballistics Limited | Wholesale & retail | 2008 |
| Warren Land and Property Limited | Real estate | 2011 |
| Washday Pembrokeshire Limited | Other services | 2019 |
| Ways of Being Ltd | Health & social care | 2020 |
| Welsh Sea Rowing | Arts & recreation | 2021 |
| West Wales Concrete Ltd | Manufacturing | 2022 |
| West Wales Flat Roofing Limited | Construction | 2016 |
| Wild Wales Shepherd Huts Ltd | Construction | 2022 |