| Kevin Eakin Consultancy Limited | Professional & scientific | 2017 |
| Kevin Williams Ltd | Construction | 2013 |
| Last Holdings Ltd | Hospitality | 2020 |
| Legal and Mediation Solutions Ltd | Professional & scientific | 2023 |
| Lejo Limited | Administrative & support | 2024 |
| Lemon Grass Bangladeshi Cuisine Ltd | Hospitality | 2024 |
| Leopold Marketing Limited | Professional & scientific | 2014 |
| LMI Investments Limited | Real estate | 2003 |
| Long Investments Limited | Real estate | 2012 |
| Longdeal Limited | Real estate | 1984 |
| Loop Geospatial Ltd | Professional & scientific | 2025 |
| Lowe Maintenance Services Ltd | Construction | 2021 |
| Made Within Ltd | Information & communication | 2014 |
| MDT Structural Solutions UK Ltd | Construction | 2024 |
| Meithrinfa Meirion CYF. | Education | 2003 |
| MEL Penybryn Honey CYF | Manufacturing | 2024 |
| Menter Hyder CYF | Administrative & support | 2026 |
| Mentrau Bach Ltd | Professional & scientific | 2014 |
| Milfeddygon Dolgellau CYF | Professional & scientific | 2009 |
| Omni Saga Ltd | Information & communication | 2024 |
| Orange Oak Property Ltd | Extraterritorial | 2024 |
| Owen Enviro Ltd | Professional & scientific | 2024 |
| Owen Environmental Ltd | Professional & scientific | 2021 |
| Owen Renewables Ltd | Energy | 2022 |
| Owen Storage Ltd | Transport & logistics | 2025 |
| Partneriaeth Dolgellau CYF. | Other services | 2002 |
| Peirson & MAY Ltd | Wholesale & retail | 2022 |
| PEN Y Coed Hall Ltd | Hospitality | 2019 |
| Pender Estates Limited | Real estate | 2004 |
| Penmaenucha Farm Cottages Limited | Hospitality | 2024 |
| Pike Investments (North West) Limited | Administrative & support | 2010 |
| Plas Nant Limited | Information & communication | 2012 |
| Popty'R Dref (Dolgellau) Ltd | Hospitality | 2021 |
| Pressing Matters Dolgellau Ltd | Administrative & support | 2025 |
| Professional Fire Safety Limited | Administrative & support | 2019 |
| Rainbow GIN UK Ltd | Wholesale & retail | 2019 |
| Ramsy Barber's Club Ltd | Other services | 2021 |
| Relg Properties Limited | Real estate | 2003 |
| Resq 247 Ltd | Wholesale & retail | 2025 |
| Riverbank Estates Ltd | Real estate | 2023 |
| RJG Law Ltd | Professional & scientific | 2019 |
| Roia CYF | Real estate | 2021 |
| Rowfabs Ltd | Construction | 2013 |
| Saib Y Bugail CYF | Hospitality | 2021 |
| Sail-Sale Ltd | Information & communication | 2026 |
| Sea Snowdonia Ltd. | Hospitality | 2013 |
| Sesiwn Fawr Dolgellau | Arts & recreation | 1996 |
| Severn Consulting Ltd | Information & communication | 2008 |
| SGG Developments Limited | Construction | 2002 |
| Siamas CYF. | Information & communication | 1996 |
| Sign & Slate Creation Ltd | Professional & scientific | 2021 |
| Sion Williams Ltd | Wholesale & retail | 2025 |
| Siop Coffi TH CYF | Hospitality | 2024 |
| SJS Leisure Group Ltd | Hospitality | 2022 |
| Soden Associates Ltd | Professional & scientific | 2004 |
| Soden EHS Holdings Ltd | Real estate | 2025 |
| ST. George's Business Centre Management Company Limited | Real estate | 1989 |
| Steve Thompson Fabrication Limited | Manufacturing | 2020 |
| Stocks Sparkling Service Ltd | Administrative & support | 2024 |
| Summit Bookkeeping Ltd | Professional & scientific | 2017 |
| Summit Inspiration Ltd | Administrative & support | 2011 |
| T Mayo Electrical Services Ltd | Construction | 2010 |
| Tcnp Consulting Ltd | Information & communication | 2022 |
| Terracognis Limited | Information & communication | 2026 |
| THE Bolthole Studio Limited | Arts & recreation | 2019 |
| THE Cader Soap Company Ltd | Wholesale & retail | 2026 |
| THE Dragon Barmouth Ltd | Arts & recreation | 2010 |
| THE Meditation Trust | Education | 2020 |
| THE Milliput Company Ltd | Manufacturing | 2017 |
| THE Moel Siabod Cafe Limited | Hospitality | 2012 |
| THE Stag Inn Dolgellau Ltd | Hospitality | 2025 |
| Timber Valley Tree Services Ltd | Agriculture & fishing | 2023 |
| Torrent Walk Bunkhouse Ltd | Hospitality | 2021 |
| Torrent Walk Camping Ltd | Hospitality | 2012 |
| Treherne Care & Consultancy Limited | Health & social care | 1999 |
| Treherne Properties Limited | Households | 2010 |
| Trewern Services Limited | Professional & scientific | 1995 |
| Tyddyn DU (Bontddu) Campsite Limited | Hospitality | 2013 |
| Tyia Solutions Ltd | Professional & scientific | 2026 |
| TŶ Cader Ltd | Hospitality | 2026 |
| Viatours Holidays Ltd | Administrative & support | 2024 |
| Walter Lloyd Jones & Co Limited | Real estate | 2012 |
| Watch This Place Ltd | Hospitality | 2019 |
| West Wales Chimney Services Limited | Construction | 2013 |
| Youtopian Limited | Information & communication | 2021 |
| YR Unicorn LP | | 2018 |
| YR Ynys Limited | Construction | 2009 |