| ABI Fernandez Elevated Health and Healing Ltd | Health & social care | 2025 |
| Accounts Direct (West Cornwall) Limited | Professional & scientific | 2001 |
| Acumen Financial Consultants LLP | | 2018 |
| Agricultural Plant Finance Ltd | Financial services | 2024 |
| AHP Land Ltd | Real estate | 2010 |
| ALL Class Mot's UK Ltd | Wholesale & retail | 2020 |
| Allen & Partners Veterinary Services Limited | Professional & scientific | 2013 |
| Amagon Energy Ltd | Construction | 2024 |
| Amagon Ltd | Construction | 2020 |
| Amman Partners Ltd | Manufacturing | 2012 |
| Animal Comfort (UK) Limited | Wholesale & retail | 1994 |
| Animal Comfort Limited | Wholesale & retail | 1989 |
| Animal Dramatics Limited | Information & communication | 1998 |
| Anthem Events Ltd | Arts & recreation | 2023 |
| ARC IPR Ltd | Manufacturing | 2024 |
| ARC Technologies Ltd | Manufacturing | 2024 |
| ARC Vehicle Ltd | Manufacturing | 2024 |
| Ardion Industrial Doors Limited | Construction | 2007 |
| Ashton Commercial Services Ltd | Construction | 2013 |
| Associate Safety Limited | Professional & scientific | 2007 |
| ATD Building Solutions Ltd | Construction | 2019 |
| Autointelli AI Ltd | Information & communication | 2025 |
| Avativ Ltd | Agriculture & fishing | 2018 |
| B.S. Ridgway Limited | Professional & scientific | 2015 |
| Babb Architects Limited | Professional & scientific | 2023 |
| Baby Products Industry Association Limited | Other services | 2003 |
| Badgers Keep Management Limited | Administrative & support | 1995 |
| BEN Reynolds Agri Ltd | Agriculture & fishing | 2026 |
| Blueiron Solutions Limited | Information & communication | 2001 |
| Caeau Gwynfryn Management Company Ltd | Real estate | 2025 |
| Canal View (Hemel Hempstead) Property Management Limited | Real estate | 2015 |
| Carmarthenshire Free Range Eggs Ltd | Wholesale & retail | 2021 |
| Celtic Process Systems Limited | Manufacturing | 2003 |
| Cheese Roles Limited | Manufacturing | 2009 |
| Chic and Style Limited | Extraterritorial | 2000 |
| Claims Rated Ltd | Information & communication | 2016 |
| Classic Kitchens(Whitland) Limited | Manufacturing | 2004 |
| Cleavers Fine Foods Ltd | Extraterritorial | 2019 |
| Coastal Leadwork & Roofing Limited | Construction | 2024 |
| Colledge Redfern Limited | Professional & scientific | 2017 |
| Connaught Shutters and Blinds Ltd | Wholesale & retail | 2020 |
| Construction Plant Finance Limited | Financial services | 2004 |
| Core Crew Events Ltd | Administrative & support | 2023 |
| Curo Resourcing Limited | Administrative & support | 2006 |
| Curo Talent Limited | Administrative & support | 2016 |
| Cwmwl Consulting Ltd | Information & communication | 2024 |
| D E Phillips & Sons Limited | Manufacturing | 2009 |
| D P Building Supplies Limited | Wholesale & retail | 2010 |
| Daniel's Doors & Locks Ltd | Professional & scientific | 2020 |
| Datblygu Llanboidy CYF | Construction | 2022 |
| Dave Morris Steel Erecting Ltd | Construction | 2018 |
| David Harries & Co. Ltd | Wholesale & retail | 2023 |
| Davies Brothers Property Ltd | Real estate | 2020 |
| Deane Associates LLP | | 2015 |
| Dewi Evans AI Service Limited | Agriculture & fishing | 2025 |
| Discovery Energy Limited | Mining & quarrying | 2002 |
| DNW Capital Investments Limited | Financial services | 2015 |
| Dragon CAN CYF | Professional & scientific | 2024 |
| Drefelin Wynt Limited | Energy | 2013 |
| Earth to Earth Limited | Manufacturing | 2016 |
| Earths Farm Community Interest Company | Agriculture & fishing | 2023 |
| Earths Farm Skincare Ltd | Manufacturing | 2025 |
| EBJ Healthcare Ltd | Wholesale & retail | 2017 |
| EJ Editorial Services Ltd | Manufacturing | 2019 |
| ELH Property Limited | Construction | 2016 |
| Enigma Hair and Beauty Whitland Ltd | Other services | 2018 |
| Equiharmony Ltd | Agriculture & fishing | 2024 |
| Equinalia Limited | Wholesale & retail | 2012 |
| Essy One Limited | Hospitality | 2025 |
| Farm Tough LLP | | 2026 |
| Farmtec Assets Limited | Manufacturing | 1998 |
| Fforc Ltd | Wholesale & retail | 2019 |
| Ffynnon Llaeth Limited Liability Partnership | | 2004 |
| Frances White Limited | Arts & recreation | 2016 |
| Fron Farm Retreat Limited | Agriculture & fishing | 2001 |
| Fron Farm Yurts Ltd | Manufacturing | 2018 |
| Future Dreams Partnership Limited | Agriculture & fishing | 2009 |
| G & J M Phillips (Contractwyr Trydanol / Electrical Contractors) Limited | Construction | 2010 |
| G S W (Pembrokeshire) Limited | Administrative & support | 2012 |
| G Type Ltd | Professional & scientific | 2025 |
| GA D Property Ltd | Real estate | 2019 |
| Gegs Eggs Limited | Agriculture & fishing | 2025 |
| Gemelli Property Developments Ltd | Real estate | 2001 |
| Gerald Blain Associates Limited | Professional & scientific | 2015 |
| Gerddi Rhosyn Management Company Ltd | Real estate | 2025 |
| Gethin C. John & Sons Limited | Construction | 2004 |
| Gofal Cymunedol Ltd | Health & social care | 2022 |
| Grizzlymoo Ltd | Wholesale & retail | 2024 |
| Gunter Creasey Ltd | Extraterritorial | 2024 |
| Hanover House & Callisto Limited | Real estate | 2014 |
| Harris MCS Ltd | Construction | 2022 |
| Harvesting Solutions Ltd | Agriculture & fishing | 2019 |
| Headsup 1 Barber Ltd | Other services | 2024 |
| Helygen CIC | Education | 2026 |
| Henllan Farms Limited | Agriculture & fishing | 2002 |
| High Voltage Records Limited | Information & communication | 2016 |
| Holidaynests Dyfed Limited | Hospitality | 2023 |
| Howells Rail Ltd | Construction | 2017 |
| HUW Mathias Ltd | Professional & scientific | 2015 |
| I J Griffiths Limited | Construction | 2011 |