| Design Business Systems Limited | Administrative & support | 1983 |
| Dohdeccadillo Technologies Ltd. | Information & communication | 1997 |
| Dragon and Foxbat Aviation Limited | Manufacturing | 2017 |
| Dragon Aviation Sport Aircraft Ltd | Wholesale & retail | 2022 |
| Drosi Bikes CIC | Manufacturing | 2020 |
| Dryair Hire Limited | Administrative & support | 2018 |
| DVV Holdings Ltd | Financial services | 2024 |
| Dwaynejohnsonconsultancy Ltd | Professional & scientific | 2023 |
| Ecclesia Rose Ltd | Professional & scientific | 2024 |
| Ectarc Limited | Education | 1988 |
| Egino Emerging Limited | Agriculture & fishing | 2022 |
| Eiat Holdings Limited | Financial services | 2020 |
| Ellie JAY Ltd | Arts & recreation | 2023 |
| Epic Impact Limited | Information & communication | 2017 |
| EQI Ltd | Information & communication | 2022 |
| ESG Equine Ltd | Extraterritorial | 2024 |
| Essi Textile Ltd | Arts & recreation | 2021 |
| Event in a Tent (Events) Ltd | Arts & recreation | 2021 |
| Event in a Tent Ltd | Administrative & support | 2010 |
| Eventflow Ltd | Professional & scientific | 2019 |
| Evri Construction Ltd | Construction | 2026 |
| FEA Catering Limited | Hospitality | 2010 |
| Feel the Rhythm Fitness Limited | Arts & recreation | 2022 |
| Fizzy Peach PR Limited | Professional & scientific | 2016 |
| Focusfive Ltd | Other services | 2014 |
| Fouzi's Llangollen Limited | Hospitality | 2013 |
| Foxon's Limited | Wholesale & retail | 2004 |
| Fringe Building Limited | Real estate | 2019 |
| From Recovery to Discovery Limited | Health & social care | 2022 |
| Future Nature Ltd | Professional & scientific | 2020 |
| G & S Bistro Limited | Hospitality | 2022 |
| G - RAY Diagnostics Ltd | Professional & scientific | 2018 |
| G Faire & Co Tree Services Ltd | Administrative & support | 2025 |
| Gaap Holdings Ltd. | Construction | 2017 |
| Gareth Morris Construction Limited | Construction | 1992 |
| Garob Acrefair Ltd | Construction | 2019 |
| Garob Developments Ltd | Construction | 2018 |
| Garob Holdings Ltd | Real estate | 2019 |
| Garob Ltd. | Professional & scientific | 2014 |
| Geometric Holdings Ltd | Other services | 2018 |
| GET Moving Keep Moving Ltd. | Health & social care | 2012 |
| Gifts From Wales Limited | Wholesale & retail | 2004 |
| Gilchrist Homes & Investments Ltd | Construction | 2025 |
| GKS Trauma Tools Ltd | Education | 2025 |
| Glan-Y-Wern Management Co Limited | Households | 2012 |
| Glyndwr Enterprises Ltd | Hospitality | 2001 |
| Glyntec Ltd | Professional & scientific | 2019 |
| Gouber Ltd | Professional & scientific | 2016 |
| Gwlangollen CIC | Manufacturing | 2020 |
| H & D Edwards Ltd | Construction | 2018 |
| HCJ Logistix Ltd | Transport & logistics | 2026 |
| Hendre Quarry Company Limited | Professional & scientific | 1986 |
| Humby Consulting & Trading Ltd | Professional & scientific | 2023 |
| HUW Edwards Limited | Construction | 2000 |
| IF Management Solutions Ltd | Professional & scientific | 2022 |
| Inner Balance Life Ltd | Health & social care | 2024 |
| International Dispute Resolution and Risk Management UK Centre Limited | Professional & scientific | 2021 |
| It-Pro Training Ltd | Information & communication | 2001 |
| J & J Richardson Limited | Construction | 2007 |
| J&M Building and Joinery Ltd | Construction | 2024 |
| Jades Hair & Beauty Ltd | Other services | 2006 |
| Janbabes Ltd | Real estate | 2025 |
| JB Sound & Installation Ltd | Manufacturing | 2025 |
| JC Property Investment NW Limited | Real estate | 2024 |
| Jeeves Property Limited | Real estate | 2022 |
| Jfdi Recruitment Ltd | Administrative & support | 2018 |
| Joy Wisdom Trust | Health & social care | 2009 |
| Kaan Property Investment Ltd | Real estate | 2026 |
| Kdro Limited | Real estate | 2025 |
| L Parker & Company Limited | Agriculture & fishing | 1995 |
| L'Academie Internationale DE LA Pipe | Other services | 2008 |
| LAN Corner Market Ltd | Wholesale & retail | 2025 |
| LD Estate Agents Ltd | Real estate | 2025 |
| Linguassist Ltd | Professional & scientific | 2014 |
| LJR Property Solutions Limited | Real estate | 2025 |
| Llangollen and Corwen Railway (Trading) Limited | Arts & recreation | 2001 |
| Llangollen Angling Limited | Agriculture & fishing | 2008 |
| Llangollen Distillery Limited | Manufacturing | 2020 |
| Llangollen Food Festival | Administrative & support | 2012 |
| Llangollen Hostel Ltd | Hospitality | 2017 |
| Llangollen International Musical Eisteddfod Limited(The) | Arts & recreation | 1974 |
| Llangollen Museum Trading Co. Limited | Wholesale & retail | 2004 |
| Llangollen Pavilion Limited | Arts & recreation | 2025 |
| Llangollen Railcars Limited | Transport & logistics | 2007 |
| Llangollen Railway Trust Limited | Manufacturing | 1995 |
| Llangollen Smokehouse Ltd | Hospitality | 2026 |
| Llangollen Tshirts Ltd | Wholesale & retail | 2024 |
| Llantysilio Limited | Households | 2007 |
| Lmkb Property Freeholds Limited | Real estate | 2021 |
| Localswap Ltd | Information & communication | 2025 |
| Lock Info Ltd | Manufacturing | 2026 |
| Logoglu Tearooms Limited | Hospitality | 2018 |
| Lumina Education Ltd | Professional & scientific | 2025 |
| M&Em Joinery Ltd | Manufacturing | 2023 |
| Magi Ltd | Professional & scientific | 2021 |
| Mango Tiger Limited | Extraterritorial | 2020 |
| Marches Ecology LLP | | 2011 |
| Martini Projects Limited | Construction | 2022 |
| Mbkcomps Ltd | Arts & recreation | 2025 |
| Midnight Creatures Limited | Arts & recreation | 2024 |