| Aquatour Ltd | Administrative & support | 2024 |
| Clover Cleaning and Maintenance Ltd | Administrative & support | 2026 |
| Colwyn Victoria Pier Trust Ltd | Other services | 2011 |
| Cwmni Gomer Cyfyngedig | Professional & scientific | 2023 |
| Cyfeillion Ellis Wynne | Arts & recreation | 1995 |
| Dbnl Construction Ltd | Construction | 2026 |
| Dbnl Facilities Management Ltd | Information & communication | 2026 |
| Dbnl Group Ltd | Financial services | 2026 |
| Dbnl Plant Ltd | Administrative & support | 2026 |
| Dbnl Waste Ltd | Water & waste | 2026 |
| Doobries Ltd | Wholesale & retail | 2025 |
| FIA and JO Ltd | Wholesale & retail | 2025 |
| Fire Escape Repairs Ltd | Construction | 2021 |
| Food Station Conwy Ltd | Hospitality | 2025 |
| Highcroft Apartments Management Company Limited | Households | 2021 |
| Jswengineering Ltd | Professional & scientific | 2025 |
| Karn EX Ltd | Information & communication | 2026 |
| LH Plumbing & Heating Ltd | Construction | 2025 |
| Llaethdy Plas ISA Dairy CYF | Manufacturing | 2021 |
| Mindwellco Ltd | Professional & scientific | 2026 |
| Moelogan 2 (O&M) Cyfyngedig | Extraterritorial | 2007 |
| Muzzplates Ltd | Wholesale & retail | 2026 |
| Nant Lechog CYF | Agriculture & fishing | 2019 |
| Newall's Green Spaces Ltd | Administrative & support | 2026 |
| Pelican 2026 Limited | Professional & scientific | 2026 |
| Puremend Ltd | Wholesale & retail | 2025 |
| Simple Shift Ltd | Professional & scientific | 2026 |
| T D Plant Hire & Haulage Limited | Administrative & support | 2011 |
| THE Conwy Van Guys Ltd | Transport & logistics | 2026 |
| Topdealz Ltd | Wholesale & retail | 2022 |