| G&G Paintworks Ltd | Wholesale & retail | 2021 |
| Gary Price Building Limited | Construction | 2003 |
| Gellifawr LLP | | 2013 |
| Geraint Williams Plumbing & Heating Limited | Construction | 2006 |
| Gerald Jordan Utilities Ltd | Construction | 2014 |
| Go Digital Accounting Limited | Professional & scientific | 2017 |
| Good Stewards Limited | Construction | 1980 |
| Gowildzoodesign Limited | Professional & scientific | 2015 |
| Greenacre Garage Ltd | Wholesale & retail | 2020 |
| Greenacres Skip Hire Ltd | Water & waste | 2014 |
| Grei Media Ltd | Professional & scientific | 2024 |
| Griffiths and Latter Limited | Agriculture & fishing | 2019 |
| Gshl Holdings Limited | Financial services | 2021 |
| GW Tyres Limited | Wholesale & retail | 2019 |
| Gwaith Cynefin Ltd | Professional & scientific | 2025 |
| Gwenno Accountancy Services Ltd | Professional & scientific | 2019 |
| H2 Bathrooms Ltd | Construction | 2021 |
| Hawarden Capital Limited | Real estate | 2022 |
| Healy Electrical Ltd | Construction | 2020 |
| Heatcall Ltd | Construction | 2009 |
| HEN Felin Management Company Limited | Households | 2021 |
| HI6 Enterprises Ltd | Financial services | 2017 |
| High Street Social CYF | Hospitality | 2024 |
| Home Rent West Wales Limited | Real estate | 2012 |
| Homebuilders 2000 Limited | Construction | 1999 |
| Hooked Abergwaun Limited | Hospitality | 2015 |
| Hughes Deere Limited | Wholesale & retail | 2024 |
| HUW James & Sons Limited | Agriculture & fishing | 2024 |
| Hwyl Pembrokeshire CYF | Hospitality | 2024 |
| Icarus Wales (UK) Limited | Real estate | 2003 |
| Icustom Ltd | Extraterritorial | 2010 |
| Iengine Limited | Information & communication | 2020 |
| Impact Marathon Series Limited | Administrative & support | 2015 |
| IN YOU Glow Ltd | Wholesale & retail | 2024 |
| Invisible Octopus Ltd | Arts & recreation | 2021 |
| Ionutz Limited | Hospitality | 2013 |
| Irefer Solutions Limited | Information & communication | 2017 |
| J Blockwell & SON Limited | Wholesale & retail | 2002 |
| J Morris (Fishguard) Limited | Hospitality | 2017 |
| J T Auto Trading Services Limited | Wholesale & retail | 2014 |
| Jemima's of Fishguard Ltd | Hospitality | 2023 |
| JT Elite Hospitality Ltd | Hospitality | 2024 |
| JT Hospitality and Events Limited | Hospitality | 2018 |
| Julian M. Bishop - Architect - Limited | Professional & scientific | 2002 |
| Just Notes Limited | Information & communication | 1990 |
| K F Harty Financial Management Ltd | Financial services | 2007 |
| Key Finder Limited | Real estate | 2019 |
| Kimo Properties LLP | | 2012 |
| Kimo Property Investments Limited | Real estate | 2013 |
| Kings Warren Holdings Limited | Professional & scientific | 2011 |
| Kinverkreations Limited | Professional & scientific | 2004 |
| L & L Lawrence Holdings Ltd | Real estate | 2017 |
| Lauds Project Management Limited | Professional & scientific | 2006 |
| Lawrenny Developments Ltd | Construction | 2016 |
| Lawrenny Farms Ltd | Agriculture & fishing | 2016 |
| Letterston Village Stores Limited | Wholesale & retail | 2014 |
| Lincoln Research and Development Ltd | Information & communication | 2025 |
| Lion Farm Limited | Agriculture & fishing | 2004 |
| Little Green Planet Limited | Construction | 2010 |
| Living Leaves Limited | Administrative & support | 2007 |
| Llanteglos Estate Limited | Administrative & support | 2002 |
| Llantydwell Ltd | Hospitality | 2019 |
| Lloyd West Ltd | Agriculture & fishing | 2018 |
| Lloyd-Morris Lettings Limited | Hospitality | 2023 |
| Lotus Home Installations Limited | Construction | 2025 |
| Lovecrate Limited | Wholesale & retail | 2017 |
| LP Music Limited | Arts & recreation | 2011 |
| Lush Wines Ltd | Wholesale & retail | 2017 |
| Lynch Carpentry and Roofing Specialist Ltd | Construction | 2025 |
| M & a Trading Limited | Hospitality | 2011 |
| M B Watson Ltd | Construction | 2006 |
| Mannings Ffres AR Y Wesh Ltd | Hospitality | 2021 |
| Mark Cockayne Ltd | Construction | 2012 |
| Mark Phillips Carpentry Limited | Manufacturing | 2016 |
| Marketking Media Limited | Other services | 2016 |
| Martin Ibberson Joinery Limited | Construction | 2025 |
| MGR Construction & Renovation Ltd | Construction | 2016 |
| Michael Richards Limited | Construction | 2007 |
| Mind Growth International Ltd | Health & social care | 2026 |
| Ministry of Grounds Limited | Administrative & support | 2013 |
| Morley International Transport Limited | Transport & logistics | 1999 |
| MÔR Ffres Ltd | Hospitality | 2023 |
| New Dawn Organic Skin and Hair Care Ltd | Manufacturing | 2012 |
| NFI UK Limited | Information & communication | 2012 |
| Nicaleye Limited | Health & social care | 2017 |
| NJK Creations Limited | Professional & scientific | 2022 |
| North Pembrokeshire Trade and Tourism Limited | Other services | 2020 |
| Oakley Consultants Ltd | Information & communication | 2005 |
| ON Land's Edge - AR Ymyl Y TIR Limited | Arts & recreation | 2021 |
| Owlinspace Limited | Professional & scientific | 2018 |
| Owlinspace Media Limited | Professional & scientific | 2018 |
| Pantgwyn Cyfyngedig | Agriculture & fishing | 2013 |
| Parc Y Dyffryn Community Farm CIC | Agriculture & fishing | 2024 |
| Parc-Y-Morfa Farms Limited | Agriculture & fishing | 1977 |
| Parrys Travel Limited | Transport & logistics | 2023 |
| Pathfinders Countryside Limited | Agriculture & fishing | 2002 |
| Patterson Property Estates Limited | Real estate | 2016 |
| Paul Isaac Castings Ltd | Administrative & support | 2016 |
| Paul Jenkins & Sons Properties Ltd | Real estate | 2025 |
| Paul Jenkins and Sons Limited | Other services | 2010 |