| 1ST Class H&S Ltd | Other services | 2023 |
| 1ST Class Uniforms & Workwear Ltd | Wholesale & retail | 2020 |
| 3A Retail UK Ltd | Wholesale & retail | 2018 |
| A&S Power Engineering Consultancy Ltd | Energy | 2025 |
| A.D. Roofing Services Ltd | Construction | 2019 |
| A2BMOUNTAINADVENTURES Ltd | Other services | 2017 |
| AA Ceramic Tiling Ltd | Construction | 2025 |
| Abartech Limited | Manufacturing | 2012 |
| Able Holidays Ltd | Hospitality | 2026 |
| Abode Contractors Ltd | Construction | 2025 |
| Absolute Power Lifting Ltd | Arts & recreation | 2018 |
| Acorns Property Lettings Ltd | Real estate | 2022 |
| Addizan Gaming Ltd | Wholesale & retail | 2019 |
| ADH Enterprises Ltd | Real estate | 2015 |
| Advanced Building & Roofing Limited | Construction | 2017 |
| Advanced Quality Management Limited | Professional & scientific | 2014 |
| Aelwyd Limited | Real estate | 2016 |
| Aerotain Ltd | Professional & scientific | 2023 |
| AGN Agile Properties Ltd | Real estate | 2022 |
| AJP Contractor Ltd | Construction | 2024 |
| AKS Electrical & Mechanical Services Ltd | Information & communication | 2021 |
| Alison Hill Consulting Ltd | Professional & scientific | 2025 |
| ALL Refurb Ltd | Construction | 2026 |
| ALL Round Trades Ltd | Construction | 2024 |
| ALL Star Hospitality NW Ltd | Wholesale & retail | 2024 |
| Alpha Park Developments Ltd | Construction | 2025 |
| Alun Jones of Red Star Lofts Limited | Extraterritorial | 2012 |
| Alyn Homes Limited | Construction | 2023 |
| Ambeks Investigation Services Limited | Administrative & support | 2020 |
| Amilia Holdings Limited | Professional & scientific | 2019 |
| AMY Rowlands Property Ltd | Administrative & support | 2022 |
| Ancar Solutions Limited | Administrative & support | 2011 |
| Anderson Composite Services Ltd | Manufacturing | 2021 |
| Anglesey Investments Ltd | Real estate | 2023 |
| Anglesey Supply Ltd | Wholesale & retail | 2023 |
| Ansicca Ltd | Wholesale & retail | 2026 |
| Antalya Cuts Ltd | Other services | 2024 |
| AO Homeservices Ltd | Other services | 2020 |
| Apex Payment Solutions Ltd | Administrative & support | 2024 |
| Apricity Coffee Ltd | Manufacturing | 2025 |
| Aqua Revive Ltd | Administrative & support | 2025 |
| Aralia Retail Limited | Wholesale & retail | 2025 |
| Arcope Ltd | Professional & scientific | 2019 |
| Armourdillo Ltd | Manufacturing | 2018 |
| Art Coffee 1 Ltd | Hospitality | 2025 |
| Arthur's Bar Ltd | Hospitality | 2018 |
| ASH Requirements Limited | Professional & scientific | 2025 |
| Aspen Requirements Limited | Administrative & support | 2025 |
| Astbury Holdings Limited | Real estate | 2018 |
| Aurum Verde Ltd | Construction | 2025 |
| Auto Mechanic Garage Ltd | Wholesale & retail | 2026 |
| Automotive Maintenance Solutions Ltd | Wholesale & retail | 2023 |
| Aven Care Limited | Health & social care | 2026 |
| AZ Cleaning Limited | Administrative & support | 2025 |
| AZ Emarketing Limited | Information & communication | 2025 |
| BACK2LIFE Associates Ltd | Wholesale & retail | 2014 |
| Bakes&Shakes Abergele Ltd | Hospitality | 2026 |
| Balanced Bites Cafe Ltd | Hospitality | 2025 |
| Barker Testing Limited | Manufacturing | 2015 |
| Beach View Lettings Ltd | Real estate | 2025 |
| Beaches Hotel Limited | Hospitality | 2004 |
| Beacon Consultancy Limited | Professional & scientific | 2021 |
| Beaumont Installations & Maintenance Services Limited | Construction | 2012 |
| Beautybase Training Limited | Education | 2023 |
| Begaj Properties Ltd | Real estate | 2024 |
| Benjamin Tate Homes Ltd | Real estate | 2023 |
| Bespoke Care by BEV Ltd | Health & social care | 2025 |
| Best PUB in Prestatyn Ltd | Hospitality | 2026 |
| Better Canvassing Ltd | Professional & scientific | 2024 |
| Better Exterior Cleaning Ltd | Administrative & support | 2025 |
| BHD Productions Ltd | Administrative & support | 2025 |
| Bill Parry Limited | Construction | 2004 |
| Binzilla Limited | Water & waste | 2017 |
| Bird in Sky Ltd | Information & communication | 2019 |
| Birmingham Stays Group Limited | Households | 2026 |
| Bitnix Limited | Information & communication | 2022 |
| Bloomin Spindlers Nurseries Ltd | Wholesale & retail | 2014 |
| Blue Lion Inn CWM Limited | Hospitality | 2017 |
| BM Properties MCR Ltd | Real estate | 2023 |
| BM Trade Ltd | Manufacturing | 2018 |
| Boca Boutique Ltd | Wholesale & retail | 2025 |
| Boddel Ltd | Wholesale & retail | 2024 |
| Bowwow’S Dog Company Limited | Agriculture & fishing | 2021 |
| Brabyns Investments Limited | Real estate | 2021 |
| Branching OUT Tree Surgery Landscaping & Gardening Ltd | Administrative & support | 2025 |
| Breeze Card Ltd | Extraterritorial | 2024 |
| Brent Saunders Plastering Ltd | Construction | 2022 |
| Brow Studio NW Ltd | Other services | 2017 |
| Bullshark Prints Limited | Households | 2024 |
| Burt's Taxis Limited | Professional & scientific | 2021 |
| C D Quality Paving Ltd | Construction | 2020 |
| C Jones Solutions Ltd | Construction | 2026 |
| Caelan Ltd | Administrative & support | 2013 |
| Caffeina Coffi Prestatyn Ltd. | Other services | 2022 |
| Cambrian Insurance Consultants Limited | Financial services | 2003 |
| Campagna Ltd | Professional & scientific | 2002 |
| Caracal BI Limited | Other services | 2023 |
| Caravans for Sale in North Wales Limited | Wholesale & retail | 2014 |
| Caravans for Sale North Wales Siting Services Ltd | Transport & logistics | 2024 |
| Caravans for Sale North Wales Transport Ltd | Transport & logistics | 2022 |