| 5 Stow Park Crescent (Management) Limited | Households | 1994 |
| A M J Carpentry & Joinery Limited | Construction | 2002 |
| AGS IT Services Ltd | Professional & scientific | 2004 |
| Align-Rite International Limited | Professional & scientific | 1985 |
| Arthur Gait & Company Limited | Professional & scientific | 1992 |
| Arthur Gait and Adroit Auditing Limited | Professional & scientific | 2023 |
| B.W.B.Construction Co.(Wales)Limited | Construction | 1971 |
| Beechwood Furnishings Limited | Wholesale & retail | 1990 |
| Biomet UK Limited | Manufacturing | 1971 |
| Boverton Nurseries Limited | Agriculture & fishing | 1997 |
| Cardiff Electrical Repairs,Limited | Manufacturing | 1922 |
| Davlan Construction Holdings Limited | Financial services | 2025 |
| Diverse Music and Vinyl Limited | Wholesale & retail | 2007 |
| Driveology Limited | Education | 2003 |
| Elsa (UK) Limited | Administrative & support | 1994 |
| Ferret Information Systems Limited | Information & communication | 1987 |
| GAP Financial Management Ltd | Professional & scientific | 2011 |
| GNS International Management & Consulting Ltd | Information & communication | 2003 |
| Gwent Heating and Domestic Engineers Limited | Wholesale & retail | 1985 |
| H2 Home Limited | Real estate | 2006 |
| Halomark Limited | Agriculture & fishing | 1986 |
| Hancocks of Monmouth Limited | Wholesale & retail | 2004 |
| Harding Nicholls Lloyd Associates Limited | Professional & scientific | 2006 |
| Hazells (Haulage) Limited | Transport & logistics | 1961 |
| Hazells Limited | Administrative & support | 1990 |
| Hollybush Clinic Limited | Health & social care | 2003 |
| Hughes Forrest Limited | Wholesale & retail | 1968 |
| HUW Jones Photography Limited | Information & communication | 2002 |
| Hydraulic Projects (INT) Limited | Manufacturing | 2004 |
| J and a Phillips Builders Merchants Limited | Wholesale & retail | 2014 |
| J O Morgan Inspection Services Ltd | Professional & scientific | 2012 |
| K J East Limited | Construction | 2005 |
| Leather Direct Limited | Extraterritorial | 1996 |
| Links Estate Management Company Limited | Households | 1982 |
| Llanover Properties (Corby) Limited | Real estate | 1999 |
| Mark Entwistle Limited | Administrative & support | 2001 |
| Martin Stagg Cleaning Services Limited | Administrative & support | 2003 |
| Maxqo Private Limited | Wholesale & retail | 2021 |
| Neutrozone Limited | | 1997 |
| Newport Container Valet Limited | Construction | 1982 |
| NMC (UK) Limited | Manufacturing | 1986 |
| Pembrey Services Limited | Wholesale & retail | 1974 |
| Penarth Road Snooker Club Limited | Arts & recreation | 1997 |
| Rayla Ministries Limited | Other services | 2000 |
| Reflections of HER Ltd | Wholesale & retail | 2023 |
| Solutia UK Holdings Limited | Financial services | 1998 |
| Solutia UK Investments Limited | Financial services | 1998 |
| Solutia UK Limited | Manufacturing | 1996 |
| South Wales Shower Supplies Limited | Wholesale & retail | 2015 |
| SRK Consulting (UK) Limited | Professional & scientific | 1981 |
| Taylor UK Limited | Wholesale & retail | 2002 |
| TWA Autoelectrics Limited | Wholesale & retail | 2001 |
| Unique Telecom Ltd | Information & communication | 2013 |
| Vital Financial Planning Ltd | Financial services | 2019 |
| W G Evans Ground Maintenance Limited | Construction | 1995 |
| Wetoly Limited | Wholesale & retail | 2022 |
| Wilsons Auctions Newport Limited | Wholesale & retail | 1995 |