| Grip and RIP Motorcycles Ltd | Wholesale & retail | 2024 |
| GUY Rees Construction Ltd | Construction | 2023 |
| GW Construction Ltd | Construction | 2016 |
| Gwendraeth Environmental Education | Arts & recreation | 2004 |
| Gwendraeth Valley Lettings Limited | Households | 2019 |
| Gwendraeth Valley Motor Club Limited | Other services | 1989 |
| Gwendraeth Valley Precision Ltd | Professional & scientific | 2023 |
| Gwynne Price Transport Limited | Transport & logistics | 2004 |
| H&M Davies Ltd | Professional & scientific | 2019 |
| Hanseto Ltd | Professional & scientific | 2014 |
| Hassie Electrical Limited | Construction | 2008 |
| Henblas Ltd | Wholesale & retail | 2023 |
| HK Kebab & Pizza Limited | Hospitality | 2016 |
| Homelands Lettings Limited | Real estate | 2017 |
| Honey Acre Ltd | Wholesale & retail | 2020 |
| Horton’S Building & Maintenance Services Ltd | Construction | 2025 |
| HVJ Media CYF | Information & communication | 2022 |
| HWB Llansaint CIC | Wholesale & retail | 2024 |
| Hydref CYF | Professional & scientific | 2025 |
| Ilash Rehab by Sophie Walters Ltd | Wholesale & retail | 2019 |
| Ispec Solutions Limited | Manufacturing | 2019 |
| J & M Equipment Ltd | Professional & scientific | 1998 |
| J.Roberts Training and Assessments Ltd | Education | 2024 |
| JB Retail Midco Ltd. | Financial services | 2022 |
| JJ Beauty Ltd | Other services | 2024 |
| Jlmj Limited | Hospitality | 2018 |
| JTG Enterprises Limited | Real estate | 2007 |
| JTG Holdings Limited | Professional & scientific | 2009 |
| Juniper Renovations Limited | Construction | 2019 |
| Keltic Grounds Wales Ltd | Administrative & support | 2026 |
| Kenoak Properties Limited | Construction | 1989 |
| KEV, Lincoln and Daughters Roofing Ltd | Construction | 2024 |
| Kidwelly Dragon Limited | Hospitality | 2025 |
| Kidwelly RFC Limited | Arts & recreation | 2019 |
| Kidwelly Tyre Centre Ltd. | Wholesale & retail | 2023 |
| Kifty Leisure Limited | Hospitality | 2024 |
| Kings Lodge Ltd | Agriculture & fishing | 2022 |
| Kingsman Security Group Ltd | Administrative & support | 2021 |
| L&S Leisure Limited | Arts & recreation | 1995 |
| Lanship Limited | Professional & scientific | 2017 |
| Lazarus Management Ltd | Professional & scientific | 2023 |
| Lemon+Aid CIC | Administrative & support | 2025 |
| Llanelli & District Model Engineers | Arts & recreation | 1998 |
| Llanelli Chimney Sweeping Co Ltd | Administrative & support | 2022 |
| Lynant Property Development Ltd | Construction | 2007 |
| M N J Consultancy Services Ltd | Administrative & support | 2013 |
| Marios Kebab Kidwelly Ltd | Hospitality | 2026 |
| Marios Kidwelly Ltd | Hospitality | 2026 |
| Maynard Training Services Limited | Information & communication | 2013 |
| MCF E&B Group Ltd | Agriculture & fishing | 2022 |
| Metro Bandit Marketing Limited | Professional & scientific | 2025 |
| Mfwales Limited | Information & communication | 2025 |
| Mike Thorne Ltd | Education | 2015 |
| Mind Magic Therapy Ltd | Health & social care | 2023 |
| Molena Limited | Real estate | 2025 |
| Monksford Acquisitions Limited | Real estate | 2025 |
| Montyd Ltd | Transport & logistics | 2025 |
| Morgan Homes Developments Ltd | Construction | 2017 |
| Mynyddygarreg Community Sports Club Ltd | Hospitality | 2026 |
| Next Innings Developments Ltd | Real estate | 2025 |
| Next Innings Developments SPV01 Limited | Construction | 2026 |
| Next Innings Group Limited | Financial services | 2026 |
| Nexzen Health & Wellbeing Ltd | Wholesale & retail | 2025 |
| North London Pets Limited | Other services | 2019 |
| Northover Small Engines Ltd | Wholesale & retail | 2022 |
| Npreeceoffshore Ltd | Professional & scientific | 2017 |
| NWO Ltd | Hospitality | 2022 |
| Ocean-Hardware Limited | Extraterritorial | 2015 |
| Oceanfront Ltd | Real estate | 2023 |
| Oeiebe Ltd | Real estate | 2021 |
| Oeiebe Project Solutions Ltd | Professional & scientific | 2025 |
| Onyelen Football Club and Sports Bar Limited | Hospitality | 2026 |
| Onyelen Limited | Wholesale & retail | 2021 |
| Oppodelerious Ltd | Information & communication | 2025 |
| Oscol Ltd | Professional & scientific | 2025 |
| Overseas Invest Limited | Financial services | 2013 |
| P J Vans Ltd | Wholesale & retail | 2023 |
| P17RYK Ltd | Wholesale & retail | 2023 |
| P3PARTNERSHIP UK Limited | Information & communication | 1998 |
| Pant Y Gerdinen Equine Limited | Arts & recreation | 2022 |
| Panteg Farms Ltd | Agriculture & fishing | 2013 |
| Parc Stephens Community Interest Company | Arts & recreation | 2024 |
| Pdvi Limited | Wholesale & retail | 2015 |
| Pedal and Flow Ltd | Arts & recreation | 2020 |
| Pencelli Farm Ltd | Agriculture & fishing | 2015 |
| Penllwyn Uchaf Farm Ltd | Agriculture & fishing | 2013 |
| PJ Sound Ltd | Information & communication | 2021 |
| Pourpre Aesthetics by Alison Evans Limited | Other services | 2020 |
| Power Plus Motorcycles Ltd | Wholesale & retail | 2020 |
| Prestige Building and Contracting Ltd | Construction | 2020 |
| Propanther Ltd | Wholesale & retail | 2020 |
| R and H L Jones Limited | Hospitality | 2018 |
| R and H L Jones Properties Limited | Real estate | 2018 |
| Red Dragon Garage (Pembrey) Limited | Wholesale & retail | 2024 |
| Ribas Wholesale Ltd | Wholesale & retail | 2023 |
| Ride H2O Ltd | Wholesale & retail | 2008 |
| Riot Enterprises Limited | Wholesale & retail | 2008 |
| RLW Electrical & Solar Limited | Construction | 2016 |
| ROJ Barbershop Limited | Other services | 2025 |
| RRA Carpentry Ltd | Manufacturing | 2021 |