| - UK Pest Management Ltd | Administrative & support | 2026 |
| 3JC Residential Properties Ltd | Real estate | 2025 |
| 3RD Sector Utilities Ltd | Wholesale & retail | 2007 |
| 3V3UK North Wales Ltd | Arts & recreation | 2024 |
| 821 Ltd | Professional & scientific | 2020 |
| A & F Wall Ltd | Extraterritorial | 2021 |
| A I Williams Ltd | Extraterritorial | 2009 |
| A Lewis Landscape & Garden Services Ltd | Administrative & support | 2024 |
| A.J.Stacey Joinery Ltd | Construction | 2021 |
| Aarc Group Private Limited | Real estate | 2025 |
| Aber-Glow Ltd | Other services | 2026 |
| Abergele 1980 Ltd | Hospitality | 2021 |
| Abergele Business Centre Limited | Administrative & support | 2021 |
| Abergele Golf Club Trading Limited | Arts & recreation | 2015 |
| Abergele Interiors Limited | Construction | 2008 |
| Abergele Rental Company Ltd | Real estate | 2013 |
| Abergele Rugby Club Limited | Arts & recreation | 2004 |
| Abergele Wheelers Pump Track CIC | Arts & recreation | 2024 |
| Abergely Barber Ltd | Other services | 2026 |
| ABM Hughes Limited | Real estate | 2022 |
| Access Control Solutions NW Ltd | Manufacturing | 2025 |
| Action Theatre Ltd | Arts & recreation | 2022 |
| Ademart Ltd | Wholesale & retail | 2021 |
| Aditi Innovations Ltd | Wholesale & retail | 2020 |
| Aditi Property Management Limited | Real estate | 2026 |
| Adviser Solutions Ltd | Financial services | 2014 |
| Aevus Software Limited | Information & communication | 2023 |
| Affinity Partnership Solutions Limited | Professional & scientific | 2021 |
| AJC Construction (NW) Limited | Construction | 2016 |
| AKD Pensarn Stores Ltd | Wholesale & retail | 2020 |
| Alexa Care Solutions Ltd | Administrative & support | 2021 |
| ALL Axis Property Ltd | Real estate | 2022 |
| Amgen Consultants Limited | Professional & scientific | 2008 |
| Andrew's Driving Ltd | Education | 2022 |
| AP Malam Property Lawyers Limited | Professional & scientific | 2011 |
| APD Holdings & Management Limited | Administrative & support | 2025 |
| ARA Care Belmont House Ltd | Health & social care | 2021 |
| ARA Care Service Ltd | Health & social care | 2019 |
| ARC Enterprises CYF | Education | 2017 |
| Arfor Caravans Limited | Wholesale & retail | 2004 |
| Arfor Solutions Ltd | Transport & logistics | 2024 |
| ARG Business Associates Limited | Health & social care | 2018 |
| Arise Asian Retail Ltd | Wholesale & retail | 2025 |
| Art on Scarves Limited | Wholesale & retail | 2021 |
| Ashom Properties Ltd | Real estate | 2023 |
| Assisted by JB Ltd | Other services | 2024 |
| Assurefire Compliance Ltd | Professional & scientific | 2025 |
| AT Home KBB Ltd | Wholesale & retail | 2021 |
| Awwmp Ltd | Hospitality | 2026 |
| Axon Resources Ltd | Administrative & support | 2023 |
| Azlyka Ltd | Wholesale & retail | 2025 |
| Azzanie’S Holiday Lets Ltd | Real estate | 2025 |
| B & F Ventures Ltd | Wholesale & retail | 2025 |
| B.F.G. Holiday Cottages Ltd. | Hospitality | 2012 |
| Bar 168 Ltd | Hospitality | 2026 |
| Barry Clark Ltd | Transport & logistics | 2026 |
| Beechey Limited | Information & communication | 2024 |
| Bellemonte 50 Ltd | Hospitality | 2026 |
| BEX Global Logistics UK Limited | Transport & logistics | 2019 |
| BFG Caravan and Camping Park Ltd | Hospitality | 2019 |
| Bhhm Homes Ltd | Real estate | 2026 |
| Big Print Direct Ltd | Manufacturing | 2017 |
| Black Cloak Brewing Limited | Hospitality | 2018 |
| Bodran Stoves Ltd | Construction | 2026 |
| Bonner Decorators Limited | Construction | 2012 |
| Book of Spells Ltd | Extraterritorial | 2023 |
| Books'N'Stuff Ltd | Professional & scientific | 2009 |
| Booms Healthcare Ltd | Health & social care | 2024 |
| Boynes White Projects Ltd | Construction | 2015 |
| Britannia Home Improvements Ltd | Construction | 2021 |
| Bryn Y Gwynt Commercial Limited | Real estate | 2024 |
| Brynhyfryd Grove Management Company Limited | Households | 2021 |
| Bryntaron.Dev Ltd | Information & communication | 2022 |
| BSC Distribution Ltd | Manufacturing | 2013 |
| C&N Asbestos Consultancy Limited | Professional & scientific | 2012 |
| C. N. Roofing Limited | Construction | 2023 |
| Caldwell Cosmetics Ltd | Other services | 2024 |
| Caligo Trading Ltd | Wholesale & retail | 2020 |
| Calon Homes LLP | | 2018 |
| Caring Caravaner Limited | Manufacturing | 2013 |
| Carole Phillips Financial Management Ltd | Professional & scientific | 2010 |
| Cartrefi Developments Limited | Hospitality | 2021 |
| Castleabergele Ltd | Hospitality | 2019 |
| CD Motorgroup Ltd | Wholesale & retail | 2021 |
| Celtic Arms (Northop) Ltd | Hospitality | 2025 |
| Cete (Bryn Y Coed) Ltd | Construction | 2021 |
| Chattell Properties Limited | Real estate | 2016 |
| Chess Kingdom Ltd | Information & communication | 2023 |
| Chic Decor Interiors Ltd | Wholesale & retail | 1975 |
| Chollinford Solutions Ltd | Administrative & support | 2026 |
| Churchmen's Snooker Club Community Interest Company | Arts & recreation | 2024 |
| CI Bach CYF | Information & communication | 2019 |
| Clearscene Services Ltd | Administrative & support | 2025 |
| Clockface Cafe Ltd | Information & communication | 2023 |
| Clwb Y Morfa C.B.C. | Health & social care | 2019 |
| Clwyd Capital Ltd | Extraterritorial | 2022 |
| Clwyd Consulting Limited | Professional & scientific | 2015 |
| Clwyd Realty Ltd | Extraterritorial | 2024 |
| Coastal Carpets (North Wales) Limited | Wholesale & retail | 2012 |
| Colgenuity Ltd | Professional & scientific | 2019 |