| Evans BIN Hire Limited | Water & waste | 2026 |
| Exemplar Leadership Ltd | Education | 2023 |
| Fielding Financial Services Chepstow Ltd | Financial services | 2019 |
| Fielding Financial Services Limited | Financial services | 2004 |
| Focus Magazines Limited | Information & communication | 2008 |
| Ftaa Limited | Professional & scientific | 2007 |
| G.J. Isaac Limited | Construction | 2003 |
| Gallops Architectural Limited | Wholesale & retail | 2011 |
| Gentium International Limited | Professional & scientific | 2018 |
| Geoshape Surveys Ltd | Construction | 2021 |
| GI Inspire Ltd | Information & communication | 2020 |
| Glanusk Events LLP | | 2006 |
| Glanusk Family Limited Partnership | | 2010 |
| Glanusk Management Limited | Professional & scientific | 2010 |
| Glanusk Trustee Number One Limited | Professional & scientific | 2025 |
| Glanusk Trustee Number Two Limited | Professional & scientific | 2025 |
| Gray Homes Sales Limited | Construction | 2004 |
| Green EVO Limited | Professional & scientific | 2022 |
| Green MAN Festival Limited | Extraterritorial | 2015 |
| Green MAN Trust Ltd | Arts & recreation | 2013 |
| H&R Bars Ltd | Hospitality | 2019 |
| H.J. & D. Webb & Sons Ltd | Wholesale & retail | 2006 |
| Halo EAT Ltd | Hospitality | 2022 |
| Handyandybuilders Limited | Extraterritorial | 2015 |
| Haxl Properties Ltd | Hospitality | 2021 |
| He&Re Limited | Hospitality | 2024 |
| Heads of the Valleys Hub Limited | Administrative & support | 2022 |
| HEN Beudy Services Limited | Information & communication | 2013 |
| Heol LAS Barns Management Company Ltd | Real estate | 2013 |
| Historic Productions Ltd | Information & communication | 2019 |
| Howards (Ebbw Vale) Limited | Real estate | 1978 |
| Ifp-Labs UK South Wales Limited | Professional & scientific | 2018 |
| Ihengineering-Consulting Limited | Professional & scientific | 2023 |
| Imdb Ltd | Information & communication | 2019 |
| IMO Detail & Design Limited | Professional & scientific | 2015 |
| Intentscoffeeco Ltd | Hospitality | 2024 |
| Interack Materials Handling Limited | Administrative & support | 1993 |
| Iron & Flame Ltd | Hospitality | 2018 |
| Isalyn Property CYF | Real estate | 2022 |
| J & F Webb Limited | Professional & scientific | 2006 |
| J Williams Property Maintenance Ltd | Construction | 2021 |
| J-W Partnership Limited | Real estate | 2014 |
| James MC Fitness Limited | Other services | 2024 |
| Jaselle Williams Consulting Ltd | Professional & scientific | 2019 |
| Jaybee Auto Consulting Ltd | Professional & scientific | 2025 |
| Jaybee Developments Ltd | Real estate | 2019 |
| JG Mortgages Limited | Financial services | 2022 |
| Jhjohn Ltd | Health & social care | 2021 |
| JJ Medios Limited | Professional & scientific | 2024 |
| JJR Property Maintenance Ltd | Construction | 2016 |
| JLD Futures Ltd | Financial services | 2026 |
| Joda Solutions Limited | Construction | 2016 |
| John Hargreaves Limited | Administrative & support | 1987 |
| Just Earth Limited | Education | 2014 |
| Kate Falkner Pilates Ltd | Arts & recreation | 2019 |
| Kinoteki Ltd | Information & communication | 2013 |
| Kintsugy Limited | Professional & scientific | 2026 |
| Lantern RTM Company Limited | Households | 2008 |
| Larison Associates Ltd | Professional & scientific | 2026 |
| Latte-Da Tearoom Ltd | Hospitality | 2015 |
| Lewis and Logan Limited | Construction | 2010 |
| Libero Marketing and Communications Limited | Other services | 2003 |
| Liliana's Cleaning Services Limited | Administrative & support | 2005 |
| Littlehaven Cottages Management Company Limited | Hospitality | 2005 |
| Lkrrs Properties Limited | Households | 2023 |
| Llandeilo Auction Company Limited | Wholesale & retail | 2020 |
| Llangattock Community Woodlands Ltd | Agriculture & fishing | 2013 |
| Llangattock Green Valleys Community Interest Company | Information & communication | 2010 |
| Llangynidr B&B Limited | Hospitality | 2019 |
| Llangynidr NO1. Management Company Limited | Households | 2019 |
| Llangynidr Pubs and Inns Limited | Hospitality | 2015 |
| Llionia Limited | Wholesale & retail | 2016 |
| Loft Boarding South Wales Ltd | Construction | 2015 |
| Love, Gratitude & Crystals Ltd | Wholesale & retail | 2021 |
| Luba Care CYF | Health & social care | 2022 |
| Luxury Canal Holidays Limited | Administrative & support | 2026 |
| M & J Powell of Crickhowell Properties Limited | Real estate | 1976 |
| M T Cashell & Sons Limited | Wholesale & retail | 2002 |
| Maple (208) Limited | Households | 2003 |
| Markertech UK Limited | Wholesale & retail | 2007 |
| Mechanix Motor Engineers Ltd | Wholesale & retail | 2026 |
| Media Design Limited | Professional & scientific | 2003 |
| Mickelbo Holdings Limited | Financial services | 2024 |
| Mickelbo Limited | Real estate | 2003 |
| Millmarsh Restoration Limited | Real estate | 2000 |
| Mint Landscape Design Limited | Professional & scientific | 2025 |
| Mirage Partners Limited | Administrative & support | 2011 |
| MLJ Management Training Ltd | Administrative & support | 2022 |
| Monza Capital Limited | Financial services | 2007 |
| Murray Grey Beef Cattle Society Limited | Agriculture & fishing | 1985 |
| Mydp Ltd | Wholesale & retail | 2025 |
| Nada & Nada Limited | Construction | 2013 |
| Natural Weigh Ltd | Wholesale & retail | 2017 |
| Neural Systems Limited | Information & communication | 2025 |
| New Amelia Apartments RTM Company Limited | Households | 2015 |
| Norway Dock Realty Limited | Households | 1997 |
| Notemachine Limited | Professional & scientific | 2006 |
| Notemachine UK Limited | Manufacturing | 1978 |
| Oakdale Financial Management Limited | Financial services | 2003 |
| Oaks Aviation Ltd | Professional & scientific | 2025 |