| Acb Surveys Ltd | Builders | CF31 2LR | 2019 |
| Ad Soft Furnishings Ltd | Builders | CF31 4JH | 2011 |
| Aj.Safi&Co. Ltd | Builders | CF31 1QX | 2019 |
| Ajt Builders Ltd | Builders | CF31 1BE | 2012 |
| Alif Zone Ltd | Builders | CF31 1JF | 2025 |
| Am Property Consultancy Ltd | Builders | CF32 8PH | 2026 |
| Ancon Construction Ltd | Builders | CF31 2LG | 2016 |
| Apms Builders Ltd | Builders | CF32 8NQ | 2015 |
| Arcstead Ltd | Builders | CF31 1JF | 2025 |
| Asphalt Infrastructure Ltd | Builders | CF31 3AP | 2025 |
| Aspire Property Improvements Ltd | Builders | CF31 5EU | 2025 |
| Atlanta Building & Developments Ltd | Builders | CF32 7LD | 2019 |
| Bamf Trades Ltd | Builders | CF32 7LA | 2026 |
| Baronfray Ltd | Builders | CF31 1JF | 2025 |
| Bk Decorating Ltd | Builders | CF32 9NP | 2023 |
| Blaenogwr Hotel Ltd | Builders | CF32 7AQ | 2021 |
| Blakedon Ltd | Builders | CF31 1JF | 2025 |
| Buildcare 24/7 Ltd | Builders | CF32 9LR | 2003 |
| Carter Sustainable Construction Ltd | Builders | CF32 9LW | 2020 |
| Chris Barlow Building Ltd | Builders | CF31 3DU | 2003 |
| Christopher Williams Groundwork Specialists Ltd | Builders | CF31 1LG | 2026 |
| Clad-Scape Ltd | Builders | CF32 8UH | 2024 |
| Clt Bathrooms & Kitchens Ltd | Builders | CF32 7AS | 2024 |
| Cn Bricklaying Ltd | Builders | CF31 3LW | 2023 |
| Construction Bros Ltd | Builders | CF31 1JF | 2025 |
| Cornelius Bathrooms Ltd | Builders | CF32 8DG | 2026 |
| Cp Fix Ltd | Builders | CF31 2ST | 2023 |
| Craft Kitchens and Bathrooms Ltd | Builders | CF31 1NX | 2020 |
| Craig'S Building Contractors Ltd | Builders | CF32 7AS | 2018 |
| Customized Construction Ltd | Builders | CF31 1QN | 2019 |
| Daros Interiors and Property Development Ltd | Builders | CF32 7EU | 2024 |
| Dbd Plastering and Building Ltd | Builders | CF31 4PB | 2026 |
| Dct Fire & Security Ltd | Builders | CF32 0LY | 2019 |
| Diyers Ltd | Builders | CF31 1LJ | 2025 |
| Dns Mechanical Engineering Ltd | Builders | CF31 1JZ | 2019 |
| Dphomeserve Ltd | Builders | CF31 1LT | 2022 |
| Drain Star Ltd | Builders | CF32 9ET | 2026 |
| Dth Building & Landscaping Ltd | Builders | CF31 1PE | 2024 |
| Durabunker Ltd | Builders | CF31 3AE | 2014 |
| E.T. & S. Construction Ltd | Builders | CF31 3SH | 1996 |
| Elanbond Ltd | Builders | CF31 1JF | 2025 |
| Elite Renovation Experts Ltd | Builders | CF31 4UG | 2024 |
| Environmental Construction Ltd | Builders | CF31 5EW | 2015 |
| Facility Maintenance of Buildings Ltd | Builders | CF31 4SU | 2021 |
| Farravale Builders Ltd | Builders | CF32 9YW | 2007 |
| Fjw Brickwork Ltd | Builders | CF31 4FB | 2026 |
| Fordrealm Ltd | Builders | CF31 1JF | 2018 |
| Fornis Engineering Ltd | Builders | CF31 1JF | 2010 |
| Four-Sure Construction Ltd | Builders | CF31 3TP | 2013 |
| Fraybeck Ltd | Builders | CF31 1JF | 2025 |
| Freebest Ltd | Builders | CF31 1JF | 2024 |
| G&K Builders Ltd | Builders | CF32 8NB | 2014 |
| Gsr Construction Ltd | Builders | CF32 9US | 2025 |
| High Steele Solutions Ltd | Builders | CF32 8RA | 2022 |
| Highport Ltd | Builders | CF31 1JF | 2025 |
| Htj Property Services Ltd | Builders | CF31 5DT | 2021 |
| Hughes Land Developments Ltd | Builders | CF32 9SQ | 2015 |
| Hunt Construction Ltd | Builders | CF31 3HB | 1996 |
| J.B.Boobyer Construction Ltd | Builders | CF32 8AE | 2020 |
| J.G. Plant (Hire) Ltd | Builders | CF31 2XE | 1967 |
| James Canton Property Development Ltd | Builders | CF31 1QR | 2015 |
| James Perry Developments Ltd | Builders | CF32 8TA | 2021 |
| Jawda Arabia Ltd | Builders | CF31 1JF | 2025 |
| Jay J Davies Ltd | Builders | CF31 1LY | 2005 |
| Jdvm Property Maintenance Ltd | Builders | CF32 9YE | 2015 |
| Jehu Energy Solutions Ltd | Builders | CF31 3PH | 2011 |
| Jewell Contractors Ltd | Builders | CF32 9LL | 2011 |
| Jk Thermal Insulation Services Ltd | Builders | CF32 0PW | 2016 |
| Jld Engineering and Construction Ltd | Builders | CF31 2DR | 2025 |
| Jmo Civils & Groundworks Ltd | Builders | CF32 9PQ | 2025 |
| Kainth&Dihanahomes Ltd | Builders | CF31 5DD | 2026 |
| Keephart Ltd | Builders | CF31 1JF | 2025 |
| Kendall Developments (Bridgend) Ltd | Builders | CF32 8PH | 2008 |
| L & R Evans Construction Ltd | Builders | CF31 3EX | 2019 |
| Landbeck Ltd | Builders | CF31 1JF | 2024 |
| Laser Line Ceiling and Partitions Ltd | Builders | CF31 1BE | 1998 |
| Lazenby Construction Safety Ltd | Builders | CF31 3TP | 2012 |
| Leabeech Ltd | Builders | CF31 1JF | 2024 |
| Leadcraft Ltd | Builders | CF31 3XG | 1999 |
| Lewis Construction Services Ltd | Builders | CF31 2NP | 2022 |
| Light Control Systems (UK) Ltd | Builders | CF31 3TP | 2005 |
| Lkf Brickwork Ltd | Builders | CF31 4TU | 2021 |
| Ltt Construction Ltd | Builders | CF31 3DR | 2021 |
| M&B Construction Contractors Ltd | Builders | CF31 4SU | 2021 |
| M. Rees Developments Ltd | Builders | CF31 5BF | 2004 |
| Machurst Development'S Ltd | Builders | CF31 3EY | 2018 |
| Mark Thomas Property Improvements Ltd | Builders | CF32 9EX | 2017 |
| Maxime Partnership Ltd | Builders | CF31 3TP | 2013 |
| Meadwell Ltd | Builders | CF31 1JF | 2024 |
| Mfon Property Capital Ltd | Builders | CF31 4PE | 2026 |
| Mje Homes & Son Ltd | Builders | CF32 9PQ | 2026 |
| Mps Installations (Wales) Ltd | Builders | CF32 0EG | 2013 |
| Nuvision Energy (Wales) Ltd | Builders | CF31 1BE | 2017 |
| Oak Tree Energy Ltd | Builders | CF31 3PH | 2021 |
| Oakclay Ltd | Builders | CF31 1JF | 2025 |
| Oakgood Ltd | Builders | CF31 1JF | 2024 |
| Otb (Wales) Consulting Ltd | Builders | CF32 9AZ | 2011 |
| Overdale Construction Services Ltd | Builders | CF32 9TD | 2001 |
| Overdale Steels Ltd | Builders | CF32 9TD | 2021 |
| P.S.S. Scaffolding Ltd | Builders | CF31 3UT | 2002 |
| Park Tree Homes Ltd | Builders | CF31 3YX | 2018 |
| Pearce Elite Construction Ltd | Builders | CF32 9BS | 2020 |
| Pen-Y-Bont Brickwork Ltd | Builders | CF32 9TY | 2025 |
| Pillar Post Ltd | Builders | CF31 3AQ | 2017 |
| Porsland Ltd. | Builders | CF31 3PH | 2019 |
| Q E Paving (South Wales & West) Ltd | Builders | CF31 3TP | 2008 |
| Quayback Ltd | Builders | CF31 1JF | 2024 |
| R&R Evans Construction Ltd | Builders | CF31 5FE | 2024 |
| R.W.S Construction Kent Ltd | Builders | CF31 3AQ | 2021 |
| Rangeley Holdings Ltd | Builders | CF31 3XG | 2016 |
| Rangeman Ltd | Builders | CF31 1JF | 2023 |
| Reedcare Ltd | Builders | CF31 1JF | 2025 |
| Renovae Ltd | Builders | CF31 1LJ | 2025 |
| Renovation Plus Ltd | Builders | CF31 4PY | 2024 |
| Restruct Ltd | Builders | CF32 9TD | 1985 |
| Reynolds Brickwork Ltd | Builders | CF32 9SG | 2024 |
| Rj Home & Garden Ltd | Builders | CF31 3TE | 2026 |
| Rm Carpentry & Construction Ltd | Builders | CF31 4RB | 2023 |
| Rooney Building Services Ltd | Builders | CF32 9JP | 2024 |
| Rtmdrylining Ltd | Builders | CF32 0BD | 2020 |
| Rtw Builders Ltd | Builders | CF31 3TP | 2025 |
| Ryan Searle Brickwork Ltd | Builders | CF32 0BG | 2026 |
| S & L Brickwork &Property Maintenance Ltd | Builders | CF32 8NT | 2021 |
| S M W Builders Ltd | Builders | CF31 1LY | 2003 |
| Saunders Properties Ltd | Builders | CF31 5FQ | 2009 |
| Saundstone Property Ltd | Builders | CF31 5FQ | 2021 |
| Sdl Interior Solutions Ltd | Builders | CF31 3RS | 2020 |
| Seipec Ltd | Builders | CF31 2AP | 2016 |
| Siam Construction Services Ltd | Builders | CF31 3AQ | 2016 |
| Simon Aberstone Ltd | Builders | CF31 5BG | 2015 |
| Sliderobesuk Ltd | Builders | CF32 8UH | 2023 |
| South Wales Contractors Ltd | Builders | CF31 4SX | 2007 |
| South Wales Insulation Ltd | Builders | CF31 4TD | 2024 |
| Spartan Cork Spray Ltd | Builders | CF31 3BA | 2022 |
| Specialist Labour Solutions Ltd | Builders | CF31 3TP | 2023 |
| Spms (Wales) Ltd | Builders | CF31 3RW | 2007 |
| Steve David & Sons Ltd | Builders | CF31 2PR | 2012 |
| Stone & Frame Construction Ltd | Builders | CF32 7PS | 2026 |
| Strategic Building Solutions Ltd | Builders | CF32 0DU | 2025 |
| Sw Tape & Jointing Ltd | Builders | CF31 1LY | 2018 |
| Swe Property Ltd | Builders | CF31 3YH | 2026 |
| Tck Renovations Ltd | Builders | CF31 3TP | 2025 |
| Tec 44 Electrics Ltd | Builders | CF31 5FL | 2026 |
| Tedd Construction Ltd | Builders | CF31 2DQ | 2024 |
| Th Developments Construction and Landscaping Ltd | Builders | CF32 0SL | 2026 |
| The Matching Brick Company Ltd | Builders | CF31 3XG | 1990 |
| The Shed Construction Ltd | Builders | CF32 7NB | 2026 |
| Thomas Kitchens and Building Solutions Ltd | Builders | CF31 1LU | 2019 |
| Tidy-Ty Ltd | Builders | CF32 7HD | 2026 |
| Togz Corporations Ltd | Builders | CF31 3PN | 2021 |