| 4IR Ltd | Construction | 2023 |
| 9 Old Bath Road Management Company Limited | Households | 2016 |
| A D Architectural Design Consultants Limited | Professional & scientific | 1991 |
| Allsworth Carpentry Limited | Construction | 2013 |
| Ammazza Property Limited | Real estate | 2023 |
| Arborculture Ltd | Agriculture & fishing | 2016 |
| Atec Medical Devices Ltd | Manufacturing | 2021 |
| Barcho Machinery Ltd | Wholesale & retail | 2023 |
| Bear and Koala Ltd | Wholesale & retail | 2022 |
| BJD Construction Ltd | Construction | 2022 |
| Bluestone Developments Ltd | Construction | 2025 |
| Brand U Limited | Professional & scientific | 2009 |
| Bricks and Miah Ltd | Construction | 2020 |
| Broadstone UK Limited | Agriculture & fishing | 2003 |
| BYD Bach Crymych Ltd | Arts & recreation | 2025 |
| Choc Howell Ltd | Other services | 2021 |
| Clwb Rygbi Crymych CYF | Arts & recreation | 2016 |
| Coastal Building Contractors CYF | Construction | 2022 |
| Crug YR Efydd Tumulus Maintenance Limited | Professional & scientific | 2024 |
| Crymych Building Supplies Limited | Wholesale & retail | 2019 |
| Crymych Kebab House Ltd | Hospitality | 2022 |
| Crymych Market Hall Company Limited(The) | Other services | 1911 |
| Crymych Storage Limited | Wholesale & retail | 2019 |
| Cware Pantgwyn Quarry Limited | Mining & quarrying | 1999 |
| Cwsg Abergwaun Limited | Hospitality | 2022 |
| D James Bookkeeping Services Limited | Professional & scientific | 2018 |
| DB Davies & Sons Unlimited | Agriculture & fishing | 2007 |
| Deheubarth CYF | Wholesale & retail | 2002 |
| Dittman and Malpas Limited | Wholesale & retail | 1903 |
| DL Composites Limited | Professional & scientific | 2025 |
| Dqah Limited | Professional & scientific | 2011 |
| Drigarn CYF | Health & social care | 2011 |
| Edwards & Sandbrook Property CYF | Real estate | 2020 |
| Elite Property Maintenance Services Ltd | Construction | 2020 |
| Evans Chiro Ltd | Health & social care | 2021 |
| Fishguard Festival of Music Gwyl Gerdd Abergwaun Ltd | Arts & recreation | 1986 |
| Foot in the East Limited | Extraterritorial | 2003 |
| Frenni Limited | Transport & logistics | 1987 |
| Frenni Livestock Ltd | Agriculture & fishing | 2018 |
| Frenni Transport Limited | Transport & logistics | 2002 |
| FRG Consulting Limited | Wholesale & retail | 2010 |
| Gaia BIO Ltd | Wholesale & retail | 2021 |
| Garej WYN CYF | Wholesale & retail | 2017 |
| Gareth Howells Livestock and Dairy Technology Limited | Manufacturing | 2019 |
| George the Framer LLP | | 2020 |
| GG & JM Jenkins and Sons Limited | Agriculture & fishing | 2017 |
| Gofalus Properties Ltd | Real estate | 2014 |
| Grain Cardigan Limited | Hospitality | 2012 |
| Green Fields International Limited | Administrative & support | 2023 |
| Grwndi Records Ltd | Information & communication | 2024 |
| GW Agri Ltd | Information & communication | 2019 |
| Gwesty Cwsg CYF | Hospitality | 2023 |
| Gwynt Y Glog CYF | Energy | 2015 |
| Gwyntynni Limited | Energy | 2015 |
| Happy Hooves Rehabilitaton Ltd | Agriculture & fishing | 2024 |
| Haverfordwest Air Charter Services Limited | Transport & logistics | 2004 |
| Haverfordwest Airport Limited | Transport & logistics | 2024 |
| Haverfordwest Flight Centre Limited | Transport & logistics | 2011 |
| Haverfordwest School of Flying Limited | Transport & logistics | 2004 |
| Heol YR Eglwys Limited | Construction | 2008 |
| HER Way to Sober Ltd | Other services | 2025 |
| Hill Sales Ltd | Administrative & support | 2026 |
| HMD Refrigeration Ltd | Manufacturing | 2026 |
| Holtain Limited | Manufacturing | 1960 |
| Home Address Ltd | Health & social care | 2017 |
| HUW Phillips Limited | Agriculture & fishing | 2003 |
| Innersense Consultants Ltd | Professional & scientific | 2020 |
| Investrport Ltd | Financial services | 2017 |
| J&M Property Partners Ltd | Real estate | 2026 |
| Jlkk Ltd | Real estate | 2024 |
| Liam Siggins Building Contractor & Architectural Design Limited | Construction | 1999 |
| LM Tree Solutions LLP | | 2019 |
| Maesybeddau CYF | Agriculture & fishing | 2011 |
| Mahejo Holdings Ltd | Real estate | 2025 |
| Marden PA Ltd | Professional & scientific | 2010 |
| Merlin Motors Commercials Limited | Wholesale & retail | 2023 |
| Middlecote Properties Limited | Real estate | 1988 |
| Midway Motors (Crymych) Limited | Wholesale & retail | 2008 |
| Mynache Farm Ltd | Agriculture & fishing | 2022 |
| Nicola Davies Aesthetics Limited | Other services | 2024 |
| North Pembrokeshire Building Services Limited | Manufacturing | 1989 |
| Nqutu Consulting Ltd | Mining & quarrying | 2018 |
| Opexa Invest Ltd | Real estate | 2024 |
| Owain Phillips Management Ltd | Professional & scientific | 2016 |
| Owain Smart Limited | Construction | 2018 |
| P.A. & E. George Limited | Agriculture & fishing | 2008 |
| Pembrokeshire Developments LLP | | 2006 |
| Pembrokeshire Produce Limited | Extraterritorial | 2006 |
| Peony & BEE Ltd | Wholesale & retail | 2024 |
| Peter Lewis Agri and Equi Supplies Limited | Wholesale & retail | 2005 |
| Poketradermon Ltd | Manufacturing | 2026 |
| Poppit Campers Ltd | Manufacturing | 2010 |
| Poyston Farm Limited | Agriculture & fishing | 2003 |
| Poyston Group Aviation Ltd | Transport & logistics | 2023 |
| Professional Plumbers Ltd | Construction | 2017 |
| Red Wall Investments Limited | Real estate | 2022 |
| Rhyal Homes Ltd | Real estate | 2022 |
| Risco Studio Ltd | Information & communication | 2024 |
| Rutherfoord Conservation Limited | Professional & scientific | 2014 |
| S F Parry Ltd | Financial services | 2025 |