| G.Y.G. Karting Limited | Arts & recreation | 2002 |
| Garthmeilio Farms Limited | Agriculture & fishing | 1997 |
| Gavin Anyon MOT Limited | Wholesale & retail | 2016 |
| Geothermal International Limited | Professional & scientific | 2005 |
| Getafix Ltd | Arts & recreation | 2007 |
| Glan Ceirw Limited | Hospitality | 2025 |
| Glesni Cyfyngedig | Energy | 2015 |
| Glick Enterprises Limited | Wholesale & retail | 2013 |
| Glory Knights Equestrian Limited | Hospitality | 2014 |
| Glyn Enterprises Ltd | Professional & scientific | 2023 |
| Glyn Mawr Ltd | Health & social care | 2020 |
| Glynllifon Energy Limited | Energy | 2023 |
| Gold Standard Projects Ltd | Professional & scientific | 2016 |
| Gothi.X Ltd | Information & communication | 2021 |
| Graig Morgan CYF | Arts & recreation | 2010 |
| Great Western Microsystems Limited | Wholesale & retail | 1996 |
| Greener Systems Limited | Hospitality | 2026 |
| Gwyddelwern/Corwen Against Battery Storage at Ynni Celyn CIC | Other services | 2025 |
| Gwyliau Gartref CYF | Hospitality | 2018 |
| H.G. Thomas Motors Limited | Wholesale & retail | 1965 |
| Hafan Hendre CYF. | Agriculture & fishing | 2021 |
| Halen Property Co Ltd | Real estate | 2025 |
| Harry Traditional Barber (MH) Ltd | Other services | 2026 |
| Hendwr Limited | Agriculture & fishing | 2015 |
| HGR Engineering Ltd | Professional & scientific | 2019 |
| Hussingtree Investments Limited | Real estate | 2017 |
| IAN Crane Maritime Ltd | Transport & logistics | 2020 |
| Inventious Ltd | Professional & scientific | 2022 |
| J & a Hughes Civils Ltd | Construction | 2024 |
| J a Harrison Fencing Contractor Limited | Construction | 2002 |
| J. Lloyd A'I FAB CYF | Manufacturing | 2000 |
| James Griffiths Holdings Ltd | Real estate | 2026 |
| James Marshall Consulting Ltd | Agriculture & fishing | 2021 |
| Jester Interactive Publishing Limited | Information & communication | 2004 |
| K9 K-Os Ltd | Agriculture & fishing | 2006 |
| Kerric Productions Limited | Information & communication | 2023 |
| Kremers Ellis CYF. | Administrative & support | 2026 |
| Ledcom Limited | Other services | 2014 |
| Lelo Aggregates Ltd | Water & waste | 2021 |
| Lelo Group Limited | Financial services | 2019 |
| Lelo Holdings Limited | Households | 2022 |
| Lelo Metal Recycling Ltd | Water & waste | 2010 |
| Lelo Skip Hire Limited | Water & waste | 2005 |
| LGS Design and Build Limited | Construction | 2006 |
| Lindley-Matthews Contract Services Limited | Professional & scientific | 2020 |
| LL21 (Holdings) Limited | Professional & scientific | 2012 |
| Llandrillo Community Assets C.I.C. | Construction | 2024 |
| Llawr Betws Ltd | Arts & recreation | 2014 |
| LLE Hedd Retreats Limited | Hospitality | 2026 |
| Llew Gwyn Cerrigydrudion Limited | Hospitality | 2021 |
| Lloyd Jones Limited | Households | 2017 |
| Lovingly Made With Threads Limited | Wholesale & retail | 2023 |
| Lucinda Griffith Design Consultancy Limited | Professional & scientific | 2007 |
| M S Goddard Limited | Construction | 2022 |
| M.H. Developments (Chester) Limited | Households | 1947 |
| Mackay Thoracic Consulting Limited | Health & social care | 2024 |
| Maes Glyndwr Management Company Limited | Households | 2018 |
| Maesmor Properties Limited | Real estate | 2018 |
| Magnus Safety Solutions UK Limited | Professional & scientific | 2017 |
| Malkin Motorsport Limited | Wholesale & retail | 2010 |
| MAX Canine Ltd | Other services | 2021 |
| Meander Holdings Ltd | Hospitality | 2025 |
| Men:Minded CIC | Education | 2026 |
| Milk Teeth Colgate Hour Ltd | Financial services | 2023 |
| MJ Plant and Training Services Ltd | Construction | 2024 |
| Mmcp Limited | Hospitality | 2024 |
| Montfox Limited | Extraterritorial | 2025 |
| Moore Construction North Wales Ltd | Construction | 2023 |
| MRO Projects Ltd | Water & waste | 1998 |
| Mulgrew Enterprises Ltd | Hospitality | 2024 |
| N D Baines Ltd | Manufacturing | 2008 |
| N.W. Morris Limited | Wholesale & retail | 2003 |
| Neatcrown Corwen Limited | Manufacturing | 2002 |
| Neatcrown Holdings Limited | Financial services | 2014 |
| Netherby House (2007) Limited | Administrative & support | 2007 |
| North East Wales Cave Access Limited | Professional & scientific | 2026 |
| North Wales Child Care Limited | Education | 2009 |
| NW Trailers Limited | Wholesale & retail | 2018 |
| Nwffs (World Fishing Trips) Ltd | Agriculture & fishing | 2009 |
| Oakencraft Ltd | Manufacturing | 2011 |
| Ocellus Consulting Limited | Professional & scientific | 2014 |
| Olivax Engineering Ltd | Construction | 2010 |
| Outdoor Expertise Limited | Professional & scientific | 2024 |
| Owen Humphreys Adeiladwyr CYF | Construction | 2014 |
| P D Civils Limited | Construction | 2026 |
| Panelytics Limited | Manufacturing | 2025 |
| Perfect Health Care Ltd | Wholesale & retail | 2025 |
| Persto Consulting Limited | Education | 2025 |
| Piranha Environmental Limited | Administrative & support | 2023 |
| Plas Isaf Limited | Hospitality | 2010 |
| Pods Nant Celyn Cyfyngedig | Hospitality | 2020 |
| Powercleans Group Ltd | Administrative & support | 2024 |
| Prep Like a Boss Limited | Manufacturing | 2025 |
| Protect Medical UK Limited | Financial services | 2024 |
| PRZ Learning Ltd. | Education | 2025 |
| R.G. Bacon Company Limited | Wholesale & retail | 1981 |
| R3 Safety and Rescue Limited | Education | 2013 |
| Rebs Timber Trading Ltd | Agriculture & fishing | 2024 |
| Reset Coaching Ltd | Professional & scientific | 2023 |
| Rhoslydan Farms Ltd | Agriculture & fishing | 2021 |