| Aled Williams Financial Management Ltd | Financial services | 2018 |
| Allison Group Holdings Limited | Professional & scientific | 2023 |
| Allison Ventures LLP | | 2011 |
| Bernard Hastie & Co Limited | Wholesale & retail | 1945 |
| Blue Turtle Property Services Limited | Real estate | 2003 |
| Cambrian Claims & Surveying Limited | Administrative & support | 2009 |
| Castlesphere Limited | Information & communication | 2011 |
| Clear View Surgical Ltd | Health & social care | 2020 |
| Clynetech Consultants Limited | Information & communication | 2013 |
| Evarmar Limited | Real estate | 2002 |
| Front Runner Events Limited | Arts & recreation | 2013 |
| Gower Day Nursery Limited | Education | 2002 |
| Gower Holiday Parks Limited | Real estate | 1993 |
| Guthcourt Limited | Construction | 2001 |
| H. L. Fielding and Sons Limited | Construction | 1986 |
| Hastlefree Limited | Construction | 2003 |
| Headshrinker Brewing Company Ltd | Extraterritorial | 2015 |
| Jodport Limited | Hospitality | 2004 |
| Konar Limited | Professional & scientific | 1997 |
| Lichen Environmental Limited | Professional & scientific | 2008 |
| Medarm Limited | Construction | 2002 |
| Medical Connections Ltd | Information & communication | 1998 |
| Medit Holdings Limited | Information & communication | 2019 |
| Merida Limited | Construction | 1998 |
| Microball Limited | Administrative & support | 2006 |
| MPW Culinary Academy Ltd | Education | 2026 |
| Nesgold Limited | Wholesale & retail | 2002 |
| Paramount Progressive Solutions Limited | Education | 2011 |
| Pefkos Limited | Construction | 2002 |
| Red Dragon Cleaning and Restoration Limited | Administrative & support | 2003 |
| Solo FM Limited | Administrative & support | 2018 |
| Streamlearn Ltd | Administrative & support | 2019 |
| Summertime Automatics Limited | Arts & recreation | 1966 |
| Superest Limited | Professional & scientific | 2000 |
| Union of Welsh Independents(Incorporated)(The) | Other services | 1921 |
| VP Heaton Property Ltd | Real estate | 2022 |
| Widegate Studios Limited | Arts & recreation | 2003 |
| Ymddiriedolaeth Undeb YR Annibynwyr Cymraeg | Other services | 1996 |
| Zavier Limited | Wholesale & retail | 1995 |
| Zebede Limited | Arts & recreation | 2006 |