| Dyrham Service Station Ltd | Wholesale & retail | 2025 |
| E.C. Thomas & SON Limited | Other services | 2025 |
| E.C. Thomas & SON Memorials Limited | Other services | 2025 |
| Eastgate Service Limited | Wholesale & retail | 2018 |
| Easy Accounting Services Ltd | Professional & scientific | 2017 |
| Edwards Healthcare Ltd | Wholesale & retail | 2018 |
| Electrical and Building Solutions Limited | Construction | 2020 |
| Enigma Hair and Beauty Narberth Ltd | Other services | 2018 |
| Ennis Property Ltd | Real estate | 2025 |
| EP Automotive Ltd | Wholesale & retail | 2022 |
| Eredita Management Company Ltd | Professional & scientific | 2020 |
| Evanridge Founder Shareholder LLP | | 2010 |
| Evanridge Limited Liability Partnership | | 2005 |
| Evanridge Properties LLP | | 2005 |
| Evanridge Swedish Property 2 LP | | 2007 |
| Everyday Escapes Ltd | Education | 2024 |
| Expeditions Pembrokeshire Limited | Administrative & support | 2025 |
| Fine Fettle Products Limited | Manufacturing | 2013 |
| Fisher and Family Construction Ltd | Construction | 2026 |
| Fishguard Bay Keepers Lodge Ltd | Other services | 2017 |
| Forestry Land Consultant Ltd | Agriculture & fishing | 2010 |
| Fountainhead Labs Ltd. | Professional & scientific | 2013 |
| Funcles Bakery Ltd | Manufacturing | 2024 |
| Gardinia Holdings Limited | Financial services | 2007 |
| Gentis Kitchen Limited | Hospitality | 2018 |
| Gerume Limited | Information & communication | 2024 |
| Glazed Windows Ltd | Construction | 2025 |
| Glenwood Farm Limited | Agriculture & fishing | 2025 |
| Global Proteomics Limited | Professional & scientific | 2024 |
| Gould Ecology Ltd | Administrative & support | 2022 |
| Grade a Digital Ltd | Information & communication | 2025 |
| Grain Group Ltd | Real estate | 2025 |
| Green Light Traffic Management Limited | Transport & logistics | 2021 |
| Griffiths Contact Recruit Ltd. | Administrative & support | 2004 |
| Grub.Food.Pembs Ltd | Hospitality | 2022 |
| H M Constructors Limited | Administrative & support | 2010 |
| Hamptons Carpets of Narberth Limited | Wholesale & retail | 2020 |
| Haven Heights Homes Limited | Real estate | 2004 |
| Havenkey Limited | Construction | 1988 |
| Hebridean Forestry Ltd | Agriculture & fishing | 2012 |
| Heritage Park Investments Limited | Construction | 2010 |
| HG & E Jones Engineering Limited | Financial services | 2023 |
| HG & E Jones Limited | Agriculture & fishing | 2013 |
| Home Improvement Marketing Ltd | Wholesale & retail | 2023 |
| Hypertonic Games Ltd | Information & communication | 2020 |
| I & JH Holdings Limited | Financial services | 2023 |
| I & JH Limited | Construction | 2015 |
| I Love My Lifestyle Ltd | Wholesale & retail | 2006 |
| I&Jh Leisure Limited | Hospitality | 2021 |
| IAN Heaps Angling Promotions Limited | Extraterritorial | 1983 |
| ID8 Developments Ltd | Construction | 2020 |
| Idraulica Ltd. | Professional & scientific | 2014 |
| INNOV8OUT Limited | Wholesale & retail | 2011 |
| Innovation Route Ltd | Professional & scientific | 2025 |
| Interwoven Limited | Manufacturing | 1992 |
| IT & JM Harries LLP | | 2013 |
| ITH Construction Limited | Construction | 2013 |
| J & a Elkins Ltd | Construction | 2017 |
| J a Groundworks Ltd | Construction | 2017 |
| J. James Consulting Limited | Professional & scientific | 2025 |
| J2I Limited | Information & communication | 2007 |
| Jaggerz Limited | Hospitality | 2025 |
| James Developments & Groundworks Ltd | Construction | 2007 |
| Jarrolds Engineering Services Limited | Professional & scientific | 2025 |
| Jeffreyston Playstation | Education | 2010 |
| Jeremy Cross and Associates Ltd | Professional & scientific | 2021 |
| JIM Williams Roofing Ltd | Construction | 2016 |
| Jjlw Creative Ltd | Information & communication | 2014 |
| John Addyman Limited | Arts & recreation | 2014 |
| Jones & Haycocks Limited | Administrative & support | 2009 |
| Jpcontrol Ltd | Manufacturing | 2015 |
| Julian Thomas Plant Hire Limited | Construction | 2020 |
| K. P. Thomas & SON Limited | Extraterritorial | 2009 |
| Kairo Trading Ltd | Wholesale & retail | 2021 |
| Kania Digital Ltd | Information & communication | 2011 |
| Karen Gardner Architects Limited | Professional & scientific | 2022 |
| Kathryn Geary & Co. Ltd | Professional & scientific | 2018 |
| Katies Pretty Lovely Limited | Wholesale & retail | 2010 |
| Keating Joinery Limited | Manufacturing | 2008 |
| Keith Higginson Financial Services Limited | Financial services | 1999 |
| Kiln Park Farm Limited | Hospitality | 2018 |
| Kook a BA (Saundersfoot) Ltd | Hospitality | 2017 |
| L R Griffiths & SON Ltd | Construction | 2002 |
| Landsker Child Care Ltd | Health & social care | 2000 |
| Landsker Cuisine Ltd | Hospitality | 2018 |
| Landsker Properties Narberth Limited | Real estate | 2026 |
| Landsker Property LLP | | 2010 |
| LEE White Consulting Limited | Professional & scientific | 2003 |
| Lewis Fencing & Groundworks Limited | Construction | 2022 |
| Lewis International Search Ltd | Administrative & support | 2019 |
| Lewis Locum Services Limited | Health & social care | 2003 |
| Lifestyle Play Ltd | Arts & recreation | 2019 |
| Llanteg Park Management Limited | Households | 1984 |
| Lodge Farm Holiday Park Ltd | Hospitality | 2022 |
| M & C Manufacturing Ltd | Manufacturing | 2020 |
| M B Fishing Limited | Agriculture & fishing | 2017 |
| Maes Cariad CIC | Agriculture & fishing | 2026 |
| Maes Elwyn John Residents Association Limited | Households | 2017 |
| Makersmarkjoinery Ltd | Manufacturing | 2019 |
| Malthouse Vets Ltd | Professional & scientific | 2016 |