| 1core Electrical Solutions Ltd | Electricians | RG26 3UP | 2023 |
| 2 Colemans Construction Ltd | Builders | RG26 3NL | 2025 |
| 3d Services Ltd | Electricians | RG7 1PE | 2015 |
| A & D Carpentry Ltd | Joiners & carpenters | RG7 1NS | 2002 |
| A & J Builders Ltd | Builders | RG7 3EZ | 2004 |
| A C Building and Maintenance Ltd | Builders | RG26 5RJ | 2013 |
| A G Roofing (Arborfield) Ltd | Roofers | RG7 1WY | 2026 |
| A J Cane Painting & Decorating Specialists Ltd | Builders | RG7 8JA | 2003 |
| A Welsh Motors UK Ltd | Garages & mechanics | RG26 5DX | 2012 |
| A-Drain Service UK Ltd | Plumbing & heating | RG7 8JA | 2008 |
| A.J.Sellwood Contracting Ltd | Builders | RG7 1PE | 2013 |
| A5auto Ltd | Garages & mechanics | RG26 5NG | 2018 |
| Abe Motor Works Ltd | Garages & mechanics | RG7 1UJ | 2018 |
| Ac Restoration Services Ltd | Garages & mechanics | RG7 1UJ | 2014 |
| Acacia Property Services Ltd | Plumbing & heating | RG7 1HD | 2025 |
| Access & Abbey Group Ltd | Builders | RG7 8EN | 2022 |
| Acorn To Oak Environmental Ltd | Pest control | RG7 4LZ | 2022 |
| Advanced Energies UK Ltd | Electricians | RG7 4AA | 2024 |
| Advanced Landscapes Ltd | Gardeners & landscapers | RG26 5FN | 2024 |
| Advanced Maintenance UK Ltd | Plumbing & heating | RG7 4AA | 1998 |
| Aesthetic Home Improvements Ltd | Glaziers | RG7 4AB | 2017 |
| Ahs Electrical Services Ltd | Electricians | RG26 5HQ | 2015 |
| Aj Sellwood Building Solutions Ltd | Builders | RG7 1PE | 2019 |
| Aj Wroe Furniture and Joinery Ltd | Joiners & carpenters | RG7 3WU | 2026 |
| Ajg Groundwork’S Services Ltd | Builders | RG7 1DD | 2026 |
| Ajr Office Interiors Ltd | Builders | RG26 5DL | 2003 |
| All In Services (Hampshire) Ltd | Garages & mechanics | RG7 1WY | 2003 |
| All Time Roofing Ltd | Roofers | RG7 1WP | 2024 |
| Alliance Cfm Ltd | Plumbing & heating | RG7 5AJ | 2020 |
| Alliance Renewables Solutions Ltd | Plumbing & heating | RG7 5AJ | 2026 |
| Alpha&Omega Decorators Ltd | Painters & decorators | RG7 1HJ | 2026 |
| Am Shutters Ltd | Builders | RG26 3RT | 2019 |
| Amberwood Designs Ltd | Glaziers | RG7 4PW | 2008 |
| Amitec Maintenance Ltd | Plumbing & heating | RG7 8JA | 2011 |
| Amzlay Ltd | Builders | RG26 5NP | 2026 |
| Andwell Auto Repairs Ltd | Garages & mechanics | RG7 1WY | 2016 |
| Anesco Asset Services Ltd | Builders | RG7 2PQ | 2025 |
| Anesco Ltd | Builders | RG7 2PQ | 2010 |
| Antwil Electrical Services Ltd | Electricians | RG7 1HJ | 2025 |
| Aplus Access Ltd | Cleaners | RG26 3PF | 2020 |
| Aquacraft Ltd | Plasterers | RG7 1JQ | 2019 |
| Aquarius Exterior Cleaning Services Ltd | Cleaners | RG26 3AN | 2026 |
| Ares Marketing 2010 Ltd | Builders | RG26 4EW | 2013 |
| Aria Building Services Ltd | Electricians | RG7 8HA | 2004 |
| Armstrong Brickwork Ltd | Builders | RG7 1RG | 2025 |
| Arrowhead Hire (Reading) Ltd | Builders | RG7 4AD | 2013 |
| Arrowhead Hire Ltd | Builders | RG7 4AE | 1971 |
| Art Connect Electrical Ltd | Electricians | RG7 1QJ | 2025 |
| Aspect Ceilings and Partitions Ltd | Builders | RG7 8DN | 2011 |
| Assured Comfort Solutions Ltd | Plumbing & heating | RG7 5DE | 2026 |
| Assured Interior Solutions Ltd | Builders | RG7 5DE | 2002 |
| Astra Office Interiors Ltd | Builders | RG26 5BP | 1996 |
| Aurora Controls Ltd | Builders | RG7 4AB | 2023 |
| Autospray Ltd | Garages & mechanics | RG26 5UE | 2015 |
| Awm Roofing & Building Ltd | Roofers | RG7 1PE | 2023 |
| B N Fencing Ltd | Gardeners & landscapers | RG7 8JA | 2018 |
| Ball Coatings Ltd | Painters & decorators | RG7 4NU | 2018 |
| Bb8 Construction Ltd | Builders | RG7 4AB | 2025 |
| Beales Scaffolding Ltd | Builders | RG7 4NX | 2007 |
| Beautiful Escape Ltd | Hair & beauty | RG7 2JR | 2013 |
| Beenham Mot Centre Ltd | Garages & mechanics | RG7 5PP | 2015 |
| Bellevue M&E Ltd | Electricians | RG7 4AB | 2023 |
| Bench Building Ltd | Builders | RG7 1AE | 2020 |
| Benjamin James Roofing Ltd | Roofers | RG7 1BY | 2013 |
| Berkshire Build Projects Ltd | Builders | RG7 1AE | 2023 |
| Berkshire Electricians Ltd | Electricians | RG7 1SS | 2021 |
| Berkshire Fencing Projects Ltd | Builders | RG7 1AE | 2025 |
| Berkshire Flooring Ltd | Flooring & tiling | RG7 1JQ | 2001 |
| Berkshire Gutters Ltd | Builders | RG26 5AP | 2023 |
| Berkshire Oak Barns Design & Build Ltd | Builders | RG7 1JQ | 2016 |
| Berkshire Pest Control Ltd | Pest control | RG7 1JQ | 2006 |
| Berkshire Pool Care Ltd | Cleaners | RG7 3HT | 2026 |
| Berkshire Roofworks Ltd | Roofers | RG7 8JA | 2026 |
| Bewley Group Ltd | Builders | RG26 5JJ | 2002 |
| Bewley Homes Plc | Builders | RG26 5JJ | 1991 |
| Bgs Maintenance Ltd | Builders | RG26 5GJ | 2013 |
| Biggins & Gallagher Formwork Ltd | Builders | RG7 4GZ | 2010 |
| Biggins & Gallagher Ltd | Builders | RG7 4GZ | 1988 |
| Bishopgray Ltd | Garages & mechanics | RG7 4NT | 2014 |
| Bishops Grove Consulting Ltd | Painters & decorators | RG7 5QN | 2012 |
| Bishops Roofing Services Ltd | Roofers | RG7 1PE | 2021 |
| Blackthorn Design & Build Ltd | Builders | RG26 5GW | 2023 |
| Blue Cube Property Ltd | Builders | RG26 4XX | 2023 |
| Blue Line Electrical Services Ltd | Electricians | RG7 4AB | 2024 |
| Blue Sword Construction Ltd | Builders | RG26 3PX | 1996 |
| Bradfield Gm Ltd | Appliance repair | RG7 6EU | 2026 |
| Branching Out Tree Care Ltd | Gardeners & landscapers | RG7 4PG | 2025 |
| Brandons Home Improvements Ltd | Roofers | RG7 4PG | 2026 |
| Britalba Ltd | Garages & mechanics | RG7 1LZ | 2010 |
| Burghfield Rs Ltd | Hair & beauty | RG7 3HF | 2023 |
| Butlers Carpentry Ltd | Joiners & carpenters | RG26 3PY | 2016 |
| Buz Creative Landscapes Ltd | Gardeners & landscapers | RG26 3UB | 2009 |
| Byng Holdings Ltd | Builders | RG7 4LH | 2025 |
| Bytlung Ltd | Builders | RG7 5TT | 2015 |
| C & D Construction Property Maintenance Ltd | Builders | RG7 1WY | 2026 |
| C Best Groundworks Ltd | Builders | RG26 5EJ | 2018 |
| C N Brickwork Ltd | Builders | RG7 1JQ | 2016 |
| C.A. Renos & Build Ltd | Builders | RG26 3RR | 2025 |
| Calleva Building Services Ltd | Electricians | RG26 3UD | 2015 |
| Camberford Developments Ltd | Builders | RG7 1AE | 2012 |
| Cameo Carpets Ltd | Flooring & tiling | RG7 1WY | 2023 |
| Carmmercial Solutions Ltd | Garages & mechanics | RG26 5FN | 2018 |
| Carpe Diem Carpentry Ltd | Joiners & carpenters | RG7 3RP | 2025 |
| Castle Windows (Newbury) Ltd | Builders | RG7 4LH | 1990 |
| Centillion Global Ltd | Builders | RG7 5GN | 2023 |
| Cet Construction Ltd | Builders | RG7 1PE | 2018 |
| Cfs Renovations and Repairs Ltd | Builders | RG26 3RR | 2026 |
| Cgs Pools Ltd | Builders | RG26 5RY | 2022 |
| Chappell Building Services Ltd | Builders | RG26 4BN | 2003 |
| Chilli Pepper Properties Ltd | Plumbing & heating | RG7 1WY | 2010 |
| Chiltern Auto Repair Services Ltd | Garages & mechanics | RG7 1JQ | 2006 |
| City Double Glazing Ltd | Glaziers | RG7 5XB | 2020 |
| Claremont Park (Spencers Wood) Residents Association Ltd | Gardeners & landscapers | RG7 1AZ | 1997 |
| Claude Fenton (Bm) Ltd | Builders | RG7 4AE | 1988 |
| Claude Fenton (Construction) Ltd | Builders | RG7 4AE | 1957 |
| Claude Fenton (Holdings) Ltd | Builders | RG7 4AE | 1949 |
| Claude Fenton (Plant Hire) Ltd | Builders | RG7 4AE | 1966 |
| Claude Fenton (Plant) Ltd | Builders | RG7 4AE | 1959 |
| Claude Fenton Estates Ltd | Builders | RG7 4AE | 2004 |
| Claude Fenton Manufacturing Ltd | Builders | RG7 4AE | 1962 |
| Cleanersrusberkshire Ltd | Cleaners | RG7 1AY | 2023 |
| Clear Perfection Window Cleaning Ltd | Cleaners | RG26 5FN | 2021 |
| Clh Plumbing & Heating Ltd | Plumbing & heating | RG7 1WY | 2026 |
| Climate Cooling Ltd | Builders | RG7 1JF | 2001 |
| Cockburn Building & Groundworks Ltd | Builders | RG7 1BX | 2008 |
| Conabeare Acoustics Ltd | Builders | RG7 4AA | 1981 |
| Conabeare Holdings Ltd | Builders | RG7 4AA | 2024 |
| Construct Bids Ltd | Builders | RG7 4AB | 2017 |
| Construction Industry Training Providers Ltd | Builders | RG7 4QL | 2013 |
| Coolserv Air Conditioning Ltd | Plumbing & heating | RG7 2PQ | 2016 |
| Cotty Tree Surgery Ltd | Gardeners & landscapers | RG26 3UQ | 2021 |
| County Flooring & Roofing Company Ltd(the) | Flooring & tiling | RG7 4AA | 1956 |
| Court Services (Southern) Ltd | Electricians | RG7 2PQ | 1997 |
| Covie Home Solutions Ltd | Plumbing & heating | RG7 8SA | 2026 |
| Create Cm Ltd | Builders | RG7 4SA | 2019 |
| Creations (Bathroom & Wetrooms) Ltd | Plumbing & heating | RG7 8JA | 2012 |
| Cryoworksuk Ltd | Cleaners | RG7 1WY | 2026 |
| Csi Solutions Southern Ltd | Builders | RG7 1PQ | 2016 |
| D & G Cladding Ltd | Builders | RG7 1GB | 2014 |
| D Martin Welding Ltd | Plumbing & heating | RG7 4PW | 2010 |
| D Ray Roofing Ltd | Roofers | RG7 1NG | 2026 |
| D&S Hamilton Ltd | Garages & mechanics | RG7 1TB | 2011 |
| D.J.Mace & Son (Electrical Contractors) Ltd | Electricians | RG7 1PQ | 2002 |
| Dc Air Conditioning and Refrigeration Ltd | Plumbing & heating | RG26 5FN | 2017 |
| Dc Exterior Property Maintenance Ltd | Cleaners | RG26 3RY | 2024 |
| Dca Motors Ltd | Garages & mechanics | RG7 1JQ | 2018 |
| Ddc Property Maintenance Ltd | Builders | RG26 5FZ | 2026 |
| Define Beauty Ltd | Hair & beauty | RG7 1HG | 2016 |
| Dent Power Ltd | Garages & mechanics | RG7 1WY | 2008 |
| Design By Detail Ltd | Garages & mechanics | RG7 1RN | 2019 |