| Mmsd Limited | Real estate | 2013 |
| MOD CON Homes Limited | Construction | 2015 |
| Monster INK Ltd | Wholesale & retail | 2017 |
| MPT Box Ltd | Wholesale & retail | 2025 |
| MS Village Convenience Store Ltd | Wholesale & retail | 2025 |
| Muddy Boots Marquees Ltd | Administrative & support | 2016 |
| Murray Sutherland Personal Management Limited | Real estate | 2013 |
| My Safety Line Ltd | Professional & scientific | 2012 |
| Myboyskoi Limited | Wholesale & retail | 2023 |
| National Radio Network Ltd | Extraterritorial | 2021 |
| Niall Broe Consultancy Limited | Wholesale & retail | 2023 |
| Nj's Mobile Trailer Servicing Ltd | Manufacturing | 2023 |
| Noec Ltd | Hospitality | 2019 |
| Nornir Limited | Information & communication | 2001 |
| North Wales Cookery School Limited | Wholesale & retail | 2024 |
| North Wales Wine School Limited | Wholesale & retail | 2024 |
| Norwest Interaction Limited | Transport & logistics | 2008 |
| OEX Solutions Limited | Professional & scientific | 2023 |
| OGL Llangollen Limited | Arts & recreation | 2018 |
| Ohanava Ltd | Wholesale & retail | 2026 |
| Ohm-E Technology Ltd | Professional & scientific | 2022 |
| Old Vicarage Registered Care Home Ltd | Health & social care | 2018 |
| Olde Time PUB Company Limited | Hospitality | 2015 |
| ORB Sound & Lighting Ltd | Administrative & support | 2019 |
| Outdoor Bar Ltd | Hospitality | 2026 |
| Outdoor Innovation Limited | Education | 2008 |
| Paul S Wilson (UK) Ltd | Professional & scientific | 2016 |
| Pbmfire Ltd | Professional & scientific | 2023 |
| Pengwern Enterprises Limited | Agriculture & fishing | 2019 |
| Philip Heald Ltd | Administrative & support | 2016 |
| Pine Tree Property Llangollen Ltd | Real estate | 2026 |
| PINKH2 Ltd | Manufacturing | 2020 |
| Pioneer Education & Training Ltd | Education | 2018 |
| PLR Bar Ltd | Hospitality | 2026 |
| Poets Barn Limited | Professional & scientific | 2024 |
| Ponderosa Limited | Hospitality | 2006 |
| Pont Y Meibion Cyfyngedig | Professional & scientific | 2024 |
| Pontcysyllte Tea Room Limited | Hospitality | 2016 |
| Pontfadog Forest School and Community Hub Community Interest Company | Agriculture & fishing | 2020 |
| Preused Ltd | Wholesale & retail | 2021 |
| Pro Adventure Limited | Wholesale & retail | 2003 |
| Proactive Design Solutions Ltd | Extraterritorial | 2021 |
| Pullen Revenue LAB Ltd | Professional & scientific | 2026 |
| QUINTESSENTIAL25 Ltd | Administrative & support | 2018 |
| Rahmov Limited | Wholesale & retail | 2023 |
| RB Marine & Lifting Services Ltd | Construction | 2022 |
| Recollections Limited | Households | 2019 |
| Red Dragon Vapour Blasting Ltd | Professional & scientific | 2020 |
| Regent Street PUB Limited | Hospitality | 2016 |
| Rescue 3 Europe Limited | Education | 2009 |
| Rescue Resource | Health & social care | 2019 |
| RH Morris & Sons Limited | Administrative & support | 2013 |
| Rhysgog Farm Ltd | Education | 2021 |
| Richard Lloyd Limited | Real estate | 2016 |
| RJW Electrical and Solar Ltd | Construction | 2011 |
| Rose Brown Limited | Wholesale & retail | 2025 |
| Rubberspoon Ltd | Information & communication | 2024 |
| Rupert Oliver's Ideas Factory Limited | Wholesale & retail | 2012 |
| S&S Arkle Ltd | Health & social care | 2023 |
| Safe and Sound 4 Schools Limited | Extraterritorial | 2011 |
| Safe and Sound Outdoors (2007) Limited | Arts & recreation | 2011 |
| Sarah Edwards Physiotherapy Ltd | Professional & scientific | 2021 |
| Sarcomm Ltd | Information & communication | 2013 |
| Sherlockai C.I.C. | Information & communication | 2025 |
| Short LET Direct Limited | Real estate | 2022 |
| Shropshire Union Canal Society Limited (the) | Other services | 1972 |
| Siop Fach Ltd | Wholesale & retail | 2021 |
| Smithfield Hotel Ltd | Real estate | 2024 |
| SOL Wines Limited | Hospitality | 2026 |
| Solutions Plumbing & Heating Services Ltd | Construction | 2020 |
| Source Pusanga Ltd | Manufacturing | 2022 |
| SPRAY1 Limited | Construction | 2017 |
| Ssdab Ltd | Extraterritorial | 2021 |
| Stabl Y Ddol Country Cottage Ltd | Real estate | 2024 |
| Stablau Cyfyngedig | Professional & scientific | 2024 |
| Stesign Ltd | Professional & scientific | 2025 |
| Steve Pugh Limited | Other services | 2011 |
| Sub-Tech HV Services Ltd | Construction | 2025 |
| SUNINN22 Ltd | Hospitality | 2022 |
| Sweet Daisy Limited | Hospitality | 2019 |
| T Brazier Truck and Trailer Services Ltd | Wholesale & retail | 2022 |
| T D Roofing Specialist Limited | Construction | 2025 |
| T.C.F Lettings Ltd | Real estate | 2026 |
| T.C.H.S. Properties Limited | Real estate | 2001 |
| Talk for Life CIC | Education | 2019 |
| Tan-Y-Garth Hall Retreat Ltd | Hospitality | 2021 |
| Tangerine Trees Limited | Hospitality | 2024 |
| Tegid Davies Builders Limited | Construction | 2005 |
| Tent Hub Ltd | Manufacturing | 2020 |
| TFD Accountancy Ltd | Professional & scientific | 2023 |
| THE Clwydian Butcher Properties Ltd | Real estate | 2026 |
| THE Eagles Inn Acrefair Ltd | Hospitality | 2023 |
| THE Famous Britannia Inn Ltd | Hospitality | 2009 |
| THE Hand at Llanarmon Ltd | Hospitality | 2014 |
| THE Indie Card Ltd | Wholesale & retail | 2025 |
| THE Jools Payne Partnership Limited | Professional & scientific | 2006 |
| THE Leaf Chair Company Ltd | Manufacturing | 2020 |
| THE Malthouse Business Centre Limited | Real estate | 2016 |
| THE Medicine Garden Llangollen CIC | Wholesale & retail | 2026 |
| THE New Glyn Valley Tramway & Industrial Heritage Trust | Arts & recreation | 2009 |