| A & G Repairs Ltd | Garages & mechanics | LL54 5UG | 2023 |
| A & L Williams Ltd | Joiners & carpenters | LL54 5EG | 2020 |
| A & M Williams Plumbing & Heating Ltd | Plumbing & heating | LL54 5EG | 2024 |
| Abseil Services Ltd | Builders | LL55 3DG | 2023 |
| Adeiladwaith Ebeneser Cyf | Joiners & carpenters | LL55 3DE | 2019 |
| Adeiladwyr D & S Jones Builders Ltd | Builders | LL54 7SB | 2006 |
| Aiden Barber Saloon Ltd | Hair & beauty | LL54 6LR | 2026 |
| Alr Electrical Contractors Ltd | Electricians | LL54 6DB | 2021 |
| Anglesey & Gwynedd Groundworks Ltd | Builders | LL55 2DQ | 2019 |
| Aton Solar Cyf | Plumbing & heating | LL54 6NW | 2011 |
| B & K Williams Ltd | Garages & mechanics | LL55 2HP | 2005 |
| Beaucari Access & Rigging Ltd | Groundworks & demolition | LL55 4DU | 2023 |
| Bee Brothers Construction Ltd | Builders | LL55 1HF | 2024 |
| Bennel Electrical Ltd | Electricians | LL55 1NS | 2026 |
| Blades 22 Ltd | Hair & beauty | LL55 1RH | 2025 |
| Body Talk Ltd | Hair & beauty | LL55 1RT | 2003 |
| C Garlick Plastering & Building Ltd | Plasterers | LL54 7YN | 2017 |
| Caillan Harris Ltd | Electricians | LL55 3EH | 2023 |
| Cefn Du Construction Ltd | Builders | LL55 4AN | 2006 |
| Celtic Flooring & Restoration Ltd | Flooring & tiling | LL55 2PU | 2021 |
| Celtic Heritage Construction Ltd | Builders | LL55 2NN | 2026 |
| Ceunant Construction Ltd | Builders | LL55 4PG | 2025 |
| Cjp Building Contractors and Property Developers Ltd | Builders | LL54 6AN | 2014 |
| Cjp Supersheds Ltd | Builders | LL54 6AN | 2014 |
| Clarity Aquatics and Landscapes Ltd | Builders | LL55 2NN | 2018 |
| Clen Construction Ltd | Builders | LL54 5SJ | 2016 |
| Clinical Wheels Dnm Ltd | Garages & mechanics | LL54 6AU | 2024 |
| Code Arc Services Ltd | Groundworks & demolition | LL54 7HR | 2014 |
| Coed Madog Cyf | Builders | LL54 6HY | 2024 |
| Colin Jones Plastering Ltd | Plasterers | LL55 2EQ | 2016 |
| Continuity Electrical Contractors Ltd | Electricians | LL54 5TW | 2016 |
| Cut Master Hairs Style Ltd | Hair & beauty | LL55 2AD | 2019 |
| D & M Fencing and Groundworks Contractors Ltd | Builders | LL54 7RE | 2024 |
| D.G. Jones Ltd | Builders | LL55 2TA | 2002 |
| D.R. Williams (Felinwnda) Ltd | Builders | LL54 5TG | 1976 |
| Dat Hairdress Ltd | Hair & beauty | LL55 1AF | 2021 |
| Davbuckconstruction Ltd | Builders | LL55 3LA | 2020 |
| David Garth Ltd | Builders | LL55 4HJ | 2020 |
| David Hale & Sons Ltd | Builders | LL54 5ED | 2012 |
| Dj Group Waterproofing Ltd | Roofers | LL55 1ED | 2024 |
| E P Teflons Ltd | Builders | LL55 3HT | 2011 |
| Eco Green Heating Ltd | Plumbing & heating | LL55 1LR | 2010 |
| Eco Green To Clean Ltd | Cleaners | LL55 2SQ | 2025 |
| Elite Colours Abr Ltd | Garages & mechanics | LL55 1DS | 2024 |
| Emrys Williams Brickwork Contractor Ltd | Builders | LL54 7NF | 2008 |
| Felin Saeri Ag Adeiladwyr Joinery and Building Contractors Ltd | Joiners & carpenters | LL55 2DQ | 2023 |
| First Class Cut Master Ltd | Hair & beauty | LL55 2AB | 2022 |
| Fussy Bird Ltd | Hair & beauty | LL55 2AE | 2025 |
| G & H Car & Commercial Ltd | Garages & mechanics | LL55 2BD | 2007 |
| G A Hughes A'I Gwmni Cyfyngedig | Builders | LL54 5PT | 2014 |
| G Parry Electrical Services Ltd | Electricians | LL55 4LQ | 2014 |
| G Roberts Saer Coed Joinery Ltd | Joiners & carpenters | LL55 2DQ | 2025 |
| G V Joinery & Building Contractor Ltd | Joiners & carpenters | LL54 6DB | 2024 |
| Garej Arwyn Cyf | Garages & mechanics | LL54 6DB | 2005 |
| Garej Iwan Cyf | Garages & mechanics | LL54 5BJ | 2019 |
| Gerddi A Coed Gwynedd Ltd | Gardeners & landscapers | LL54 7AB | 2024 |
| Gic Construction & Groundworks Ltd | Builders | LL55 3EG | 2026 |
| Giles Elliott Tree Surgery Ltd | Gardeners & landscapers | LL54 7AX | 2023 |
| Golden Fade Stylist Ltd | Hair & beauty | LL55 1AB | 2023 |
| Great Ali Barber Ltd | Hair & beauty | LL55 1AF | 2026 |
| Gwalch Cyf | Builders | LL54 6PB | 2015 |
| Gwasanaethau Adeiladu A Chyfleustodau Wr Construction and Utility Services Ltd | Builders | LL54 6NE | 2026 |
| Gwynedd Commercials Ltd | Garages & mechanics | LL55 2BD | 2026 |
| Gwynedd Insulation Ltd | Builders | LL54 7LQ | 2010 |
| Gwynedd Restoration Ltd | Builders | LL54 6LD | 2018 |
| Gwynedd Safeflue Specialists Ltd | Builders | LL54 6SG | 2018 |
| Hefin Williams Ltd | Plasterers | LL54 5SF | 2003 |
| Innkeeper Liquid Screed Ltd | Builders | LL54 7YY | 2012 |
| Iwan Fon Electrical Ltd | Electricians | LL55 2HT | 2022 |
| J . W Beauty & Tanning Ltd | Hair & beauty | LL55 1AT | 2025 |
| J Dissmann Construction Ltd | Builders | LL55 4EU | 2021 |
| Jarvis Pressure Pointing & Grouting Ltd | Builders | LL54 7LS | 2002 |
| John Dixon Building Contractor Ltd | Builders | LL54 5TF | 2018 |
| Khang Nails Bar Ltd | Hair & beauty | LL55 2AB | 2025 |
| Kwg Building & Civils Contractor Ltd | Builders | LL54 7EB | 2019 |
| Lewis Construction & Plant Hire Ltd | Builders | LL55 3BS | 2014 |
| Life Full Colour Ltd | Painters & decorators | LL55 2NN | 2019 |
| Ll Landscaping Ltd | Gardeners & landscapers | LL55 3LP | 2023 |
| Llwyd Properties Ltd | Builders | LL54 7NB | 2023 |
| Lynwood Building Contractors Ltd | Builders | LL55 4BS | 2005 |
| M Williams Electrical Ltd | Electricians | LL55 1UR | 2014 |
| M&S Concrete Imprinting Ltd | Builders | LL55 3LT | 2016 |
| Martin Roberts Construction Ltd | Builders | LL55 2NN | 2003 |
| Modurdy Dolydd Garage Cyf | Garages & mechanics | LL54 7DH | 2016 |
| Morris Build For Life Ltd | Builders | LL55 4AG | 2014 |
| Nant Tree Services Ltd | Gardeners & landscapers | LL54 6AX | 2016 |
| New Flooring Ltd | Flooring & tiling | LL55 4AL | 2024 |
| North Wales Liquid Screed Ltd | Builders | LL54 7YY | 2020 |
| O'Brien Offshore Ltd | Builders | LL55 3EF | 2025 |
| Ohmelecav Ltd | Electricians | LL55 3PW | 2026 |
| Ow Autos Ltd | Garages & mechanics | LL54 7NB | 2026 |
| Owen Electrical Contractors Gc Ltd | Electricians | LL55 4TS | 2017 |
| P.E.P Construction Ltd | Builders | LL55 1EB | 2023 |
| Peblig Garage Ltd | Garages & mechanics | LL55 2SE | 2019 |
| Pen Solar Cyf | Electricians | LL54 5DA | 2023 |
| Phoenix Autobody Ltd | Garages & mechanics | LL54 5BU | 2023 |
| Povey'S Garage Ltd | Garages & mechanics | LL54 6DA | 1978 |
| Pr Joinery & Building Ltd | Joiners & carpenters | LL54 7UB | 2019 |
| Prestige Car Care (Mon) Ltd | Garages & mechanics | LL54 6HR | 2015 |
| Psr Controls Ltd | Builders | LL55 4EJ | 2020 |
| Pwg Construction Ltd | Builders | LL54 6NE | 2026 |
| R.G. Owen Ltd | Builders | LL54 7ET | 2002 |
| R.J. Parry Building Contractors Ltd | Builders | LL55 4RT | 2010 |
| Reach It North Wales Ltd | Cleaners | LL54 5AG | 2024 |
| Rh Cleaning Solutions Ltd | Cleaners | LL55 4YE | 2026 |
| Rirox Ltd | Builders | LL54 7NF | 2026 |
| Robertson’S Property Services Ltd | Builders | LL55 2HT | 2026 |
| Robin Thomas Demolition Ltd | Groundworks & demolition | LL55 3EF | 2012 |
| Roebuck Developments Ltd | Builders | LL55 1AB | 2013 |
| Ross & Hughes Carpets Ltd | Flooring & tiling | LL55 2BD | 2001 |
| Sandblasting & Spraying Ltd | Builders | LL54 5PE | 2023 |
| Sej Motors Ltd | Garages & mechanics | LL54 6DD | 2026 |
| Seren Fach Cleaning Services Ltd | Cleaners | LL54 6PL | 2025 |
| Sigma Projects Ltd | Builders | LL55 1BA | 2024 |
| Snowdonia Fire Protection Ltd | Electricians | LL55 4YS | 2003 |
| Snowdonia Refrigeration and Air Conditioning Ltd | Electricians | LL55 1BE | 2013 |
| Specialist Industrial Rope Access Solutions Ltd | Builders | LL54 6HG | 2017 |
| Tanau Plw Fires Ltd | Plumbing & heating | LL55 4AZ | 2024 |
| Teiars Gwynedd Tyres Ltd | Garages & mechanics | LL55 2YD | 2025 |
| The Little Wren Aesthetics and Beauty Ltd | Hair & beauty | LL55 2AE | 2019 |
| Tirion Solutions Ltd | Electricians | LL55 4HD | 2026 |
| Underhill & Son Tree Surgery Ltd | Gardeners & landscapers | LL55 3AP | 2013 |
| Unique Tint Ltd | Glaziers | LL55 2BD | 2017 |
| Vaynol Plumbing & Heating Ltd | Plumbing & heating | LL55 3DF | 2013 |
| Vy'S Nail Hd Ltd | Hair & beauty | LL55 2AB | 2024 |
| Wendy Hughes Services Ltd | Cleaners | LL54 5HU | 2022 |
| Williams & Jones Lawn & Landscaping Ltd | Gardeners & landscapers | LL55 1TD | 2025 |