| 101 Acoustics Ltd | Construction | 2007 |
| A & L Parry Limited | Construction | 2012 |
| Antur 'Stiniog CYF | Administrative & support | 2007 |
| Barkess Logistics Ltd | Transport & logistics | 2025 |
| Beach Court Properties N.W Limited | Real estate | 2024 |
| Because of Socials Limited | Professional & scientific | 2026 |
| Bedol Properties Ltd | Hospitality | 2026 |
| Bizops Ltd | Professional & scientific | 2022 |
| Blaenau Leisure Limited | Hospitality | 2023 |
| Blue Skye Property Limited | Real estate | 2022 |
| BRH Properties Limited | Real estate | 2021 |
| Bright Futures Community Housing Limited | Real estate | 2025 |
| Bright Futures Property Management Limited | Real estate | 2025 |
| BRO Ffestiniog CYF. | Arts & recreation | 2000 |
| Bryn Arms Limited | Hospitality | 2022 |
| Cadair View Lodge Ltd | Hospitality | 2006 |
| Camlyn Leisure Limited | Hospitality | 2016 |
| Canolfan Prysor Ltd | Hospitality | 2015 |
| Cartmel Ecology Ltd | Professional & scientific | 2013 |
| Chinese Information Centre Co-Operative Limited | Professional & scientific | 1986 |
| CIG Cynfal CYF | Manufacturing | 2024 |
| CIG Eryri - Snowdonia Meats CYF | Manufacturing | 2019 |
| Clawdd Llwyd Ltd | Agriculture & fishing | 2009 |
| Cloud 9 (JEL) Ltd | Construction | 2009 |
| Clwb Chwaraeon Ffestiniog Limited | Arts & recreation | 1999 |
| Coast Properties Limited | Real estate | 2013 |
| Comsim Ltd | Information & communication | 2023 |
| Creswick Holding Ltd | Financial services | 2020 |
| Custom Slate & Stone Ltd | Wholesale & retail | 2021 |
| Cwmni 682 CYF. | Wholesale & retail | 2019 |
| Cwmni Cymunedol BRO Ffestiniog | Administrative & support | 2008 |
| Cymuned Gybolfa Limited | Education | 2022 |
| Cymunedoli CYF | Administrative & support | 2023 |
| Cynfal CYF | Transport & logistics | 2022 |
| Cynnyrch Gwlân Gwalia CYF | Manufacturing | 2021 |
| D & C Jones Co Ltd | Construction | 2005 |
| D & C Jones Commercial Services Limited | Wholesale & retail | 2018 |
| D&C Jones Properties Limited | Real estate | 2007 |
| Dancari Ltd | Administrative & support | 2019 |
| Down to Earth Adventures Ltd | Administrative & support | 2019 |
| Dragon Vape Shop Ltd | Wholesale & retail | 2024 |
| Dropzone (UK) Limited | Manufacturing | 2004 |
| Dwyryd Anglers Limited | Agriculture & fishing | 1989 |
| Eastville Limited | Hospitality | 2008 |
| Educational Psychology NOW Ltd | Education | 2023 |
| EG2 Limited | Households | 2025 |
| Egab Ltd | Construction | 2021 |
| EGD Groundworks Limited | Construction | 2024 |
| ELS Surfacing and Civils Limited | Construction | 2015 |
| Eryri Bakery Ltd | Manufacturing | 2021 |
| Essex Consultancy Group Ltd | Professional & scientific | 2017 |
| Extensions @ the Hair Shop Limited | Other services | 2024 |
| Ffestco Ltd | Construction | 2017 |
| Ffestiniog Lets Ltd | Real estate | 2024 |
| Ffestiniog Ltd | Professional & scientific | 2022 |
| Fuggles Limited | Wholesale & retail | 1990 |
| Garej Bowydd Garage Ltd | Wholesale & retail | 2012 |
| Gary Falconer Electricals Ltd | Construction | 2018 |
| GB Managing Solutions Limited | Other services | 2012 |
| Gilbert & Gibson Electrical Ltd | Construction | 2016 |
| Gilrei Video Ltd | Information & communication | 2008 |
| GM Dream Team Limited | Hospitality | 2024 |
| Goatprogram Ltd | Information & communication | 2023 |
| Golden Mountain SHI Ltd | Hospitality | 2017 |
| Grasshopper Workshop Limited | Extraterritorial | 2025 |
| Greyjphill Limited | Construction | 2025 |
| Grifflec Limited | Construction | 2019 |
| Gwallgofiaid CYF. | Arts & recreation | 2003 |
| Gwesty Seren | Hospitality | 2012 |
| H&I Equestrian Ltd | Agriculture & fishing | 2025 |
| Halifax Mannin Limited | Administrative & support | 2017 |
| Haydens Limited | Hospitality | 1999 |
| HBS Spices Ltd | Hospitality | 2024 |
| Heddwch Grave Care Ltd | Administrative & support | 2025 |
| Helen Properties Ltd | Real estate | 2026 |
| Hseconsultancyandtraining Ltd | Professional & scientific | 2020 |
| Hughes Specialised Transport Ltd | Transport & logistics | 2019 |
| Hughes Specialist Transport Limited | Administrative & support | 2003 |
| Iron Fist Cranes UK Ltd | Construction | 2024 |
| Ironcrest Ltd | Transport & logistics | 2025 |
| JNS Financial Ltd | Financial services | 2019 |
| John Roberts Hire Limited | Construction | 2003 |
| JTD Construction and Consultancy Ltd | Construction | 2017 |
| Kingfisher Training and Education Ltd | Professional & scientific | 2025 |
| KWS Travel Ltd | Administrative & support | 2014 |
| Little Dragons Soft Play Ltd | Arts & recreation | 2018 |
| Llechan LAN Cleaning Ltd | Administrative & support | 2026 |
| Llechi Lewis Slate CYF | Wholesale & retail | 2025 |
| Llechwedd Underground Adventures Limited | Extraterritorial | 2013 |
| Maentwrog Masonry Ltd | Construction | 2019 |
| Maes Y GWY Limited | Households | 2024 |
| Marine MAC Ltd | Professional & scientific | 2018 |
| Menai Ltd | Real estate | 2022 |
| Menter Nyth Y Gigfran CYF | Administrative & support | 2024 |
| Merionethshire Granite Ltd | Mining & quarrying | 2014 |
| Metcalfe Catering Equipment Holdings Limited | Administrative & support | 2016 |
| Metcalfe Catering Equipment Limited | Manufacturing | 1944 |
| Microface Braking Systems Limited | Information & communication | 2006 |
| Moelwyn Gymnastics Academy Ltd | Arts & recreation | 2021 |
| Moelwyn Tech Limited | Construction | 2014 |