| 316 Marine Fabrication Limited | Manufacturing | 2023 |
| 91K Ltd | Arts & recreation | 2025 |
| Aber Linen Services Ltd | Other services | 2025 |
| Aberwen CYF | Construction | 2019 |
| Ameyaa Limited | Wholesale & retail | 2012 |
| Andrew Roberts Limited | Construction | 1993 |
| Andrew Scott I.T. Ltd | Information & communication | 2022 |
| AR Car Sales Ltd | Administrative & support | 2026 |
| Bakers (Retail) Limited | Professional & scientific | 1947 |
| BDS Gwynedd Ltd | Professional & scientific | 2013 |
| Believe Club Ltd | Wholesale & retail | 2021 |
| Bentley Holdings North Wales Ltd | Hospitality | 2024 |
| Big Dog Pizza Ltd | Hospitality | 2021 |
| Bryn Awelon Care Home Limited | Health & social care | 1994 |
| Bryn HIR Arms Limited | Hospitality | 2025 |
| Bryn HIR CYF | Real estate | 2014 |
| Bryn Hynod Limited | Hospitality | 2015 |
| Brynhenllan Limited | Hospitality | 2011 |
| Bwydlyn CYF. | Wholesale & retail | 1996 |
| Bwydydd Oren Foods Ltd | Wholesale & retail | 2012 |
| C T Boiler Services Limited | Construction | 2009 |
| Caerwylan Hotel Limited | Hospitality | 2016 |
| Canolfan MOT Centre Limited | Wholesale & retail | 2004 |
| Castle Fish and Chip Shop Limited | Hospitality | 2004 |
| Catra Gwynedd Limited | Real estate | 2023 |
| Celtgeo Ltd | Professional & scientific | 2017 |
| CGT Services Limited | Administrative & support | 2024 |
| CHC Evangelism Trust | Other services | 1998 |
| China Palace Criccieth Ltd | Hospitality | 2025 |
| CID Waste Removal Services Ltd | Water & waste | 2026 |
| Cigyddion Pwllheli Butchers Ltd | Wholesale & retail | 2015 |
| Clive Lloyd AI FAB - and SON Limited | Construction | 2022 |
| Complete Geofactors Ltd. | Professional & scientific | 2017 |
| Coulthard Subsea Limited | Professional & scientific | 1998 |
| Criccieth Caravan Parks Limited | Hospitality | 2019 |
| Criccieth Cleaning Limited | Administrative & support | 2016 |
| Criccieth Supplies Limited | Other services | 2021 |
| Cymdeithas Amaethyddol Meirion CYF | Agriculture & fishing | 2019 |
| Cymdeithas Enweiriol Afon Dwyfor Angling Association Limited | Agriculture & fishing | 2010 |
| D & E Williams Properties Limited | Hospitality | 2021 |
| D W Williams Construction Contracting Ltd | Construction | 2022 |
| Davidhale Limited | Construction | 2021 |
| DB Sound & Music Company Ltd | Information & communication | 2024 |
| DHS Kitchen Installations (Holdings) Limited | Financial services | 2023 |
| DHS Kitchen Installations Limited | Construction | 2023 |
| Different Ways of Thinking Limited | Information & communication | 2015 |
| Dragon Raiders Ltd | Arts & recreation | 2004 |
| Dtag Ltd | Public administration | 2019 |
| EEA Coaching Arena Ltd | Other services | 2025 |
| Eifion Ltd | Real estate | 2005 |
| EKA Arch Limited | Professional & scientific | 2009 |
| Ellistone & Slate Consultants Ltd. | Construction | 2000 |
| Emplawya Ltd | Information & communication | 2021 |
| Emyr Evans A'I Gwmni CYF | Wholesale & retail | 1999 |
| Equilibrium Hotel Collection Limited | Financial services | 2019 |
| Esar Scaffolding Ltd | Construction | 2022 |
| Ethereal Finishes Ltd | Manufacturing | 2025 |
| Explore Wild Wales Ltd | Administrative & support | 2024 |
| Fenlon Hospitality Limited | Hospitality | 2025 |
| Fferyllfa Penygroes CYF | Wholesale & retail | 2022 |
| Four Flats Maintenance Limited | Other services | 1975 |
| G J Sales Ltd | Wholesale & retail | 2024 |
| Gethin Scott Limited | Construction | 2008 |
| GJR Property (North Wales) Limited | Real estate | 2025 |
| GO2SHINE Cleaning Services Ltd | Administrative & support | 2021 |
| GW Productivity & Analysis Ltd | Administrative & support | 2024 |
| Gwyliau CYF | Hospitality | 2021 |
| H G Griffith and SON Limited | Wholesale & retail | 2002 |
| Harlech Foodservice Limited | Wholesale & retail | 1979 |
| Harlech Frozen Foods Limited | Extraterritorial | 2006 |
| Hartmark Consultancy Limited | Professional & scientific | 2023 |
| Honey POT (Pwllheli) Ltd | Wholesale & retail | 2016 |
| Horizon Broadcasting Ltd | Information & communication | 2020 |
| I J Plastering Ltd | Construction | 2022 |
| IAN Evans Contracting Limited | Construction | 2018 |
| Iconic Wardrobe Limited | Wholesale & retail | 2025 |
| Ieuan Rowlands Construction Limited | Construction | 2025 |
| ISR TTP Ltd | Professional & scientific | 2018 |
| J & S Astin Limited | Hospitality | 2006 |
| J a Davies CYF | Wholesale & retail | 2010 |
| J T Thomas & Co Limited | Professional & scientific | 2011 |
| Jajo Holidays (Criccieth) Limited | Administrative & support | 2017 |
| James & SON Electrical Ltd | Construction | 2025 |
| James HAF Property Ltd | Real estate | 2022 |
| John Scott (Henfaes) Limited | Hospitality | 1959 |
| L E Marine GEO Services Limited | Professional & scientific | 2022 |
| L.A.S Trading Ltd | Hospitality | 2022 |
| Labordy Deintyddol Dwyfor CYF | Manufacturing | 2017 |
| Land Rover Keys Ltd | Manufacturing | 2020 |
| Last Inn Ltd | Hospitality | 2023 |
| LEN Blazey Consulting Ltd | Professional & scientific | 2020 |
| LES Edwards Ltd | Manufacturing | 2017 |
| Lewis Tindall Motorsport Limited | Arts & recreation | 2024 |
| Llwyn 'Nanau Ltd | Real estate | 2022 |
| Madoc Recruitment Limited | Administrative & support | 2020 |
| Meddal Wedd Ltd | Information & communication | 2022 |
| Monaver Ltd | Professional & scientific | 2022 |
| Mount Caravan Park Limited | Hospitality | 2018 |
| Mynydd Cleaning & Maintenance Ltd | Administrative & support | 2020 |
| Myrddin's TAP Ltd | Hospitality | 2026 |