| 1st Glass Window Cleaning Ltd | Cleaners | RG18 4EH | 2014 |
| 3d Services Ltd | Electricians | RG7 1PE | 2015 |
| 4u Gardens Ltd | Gardeners & landscapers | RG18 9SL | 2025 |
| A & D Carpentry Ltd | Joiners & carpenters | RG7 1NS | 2002 |
| A & J Builders Ltd | Builders | RG7 3EZ | 2004 |
| A G Roofing (Arborfield) Ltd | Roofers | RG7 1WY | 2026 |
| A J Cane Painting & Decorating Specialists Ltd | Builders | RG7 8JA | 2003 |
| A-Drain Service UK Ltd | Plumbing & heating | RG7 8JA | 2008 |
| A.B.C. Services (Thatcham) Ltd | Electricians | RG18 3DQ | 2003 |
| A.J.Sellwood Contracting Ltd | Builders | RG7 1PE | 2013 |
| 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 |
| Acs Electrical (UK) Ltd | Electricians | RG18 3PG | 2002 |
| Adam & Eve Hair (Yattendon) Ltd | Hair & beauty | RG18 0UF | 2014 |
| Adam & Eve Hair 2014 Ltd | Hair & beauty | RG18 9UH | 2014 |
| Advanced Energies UK Ltd | Electricians | RG7 4AA | 2024 |
| Advanced Maintenance UK Ltd | Plumbing & heating | RG7 4AA | 1998 |
| Aesthetic Home Improvements Ltd | Glaziers | RG7 4AB | 2017 |
| 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 |
| 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 |
| Amberwood Designs Ltd | Glaziers | RG7 4PW | 2008 |
| Amel Electrical Ltd | Groundworks & demolition | RG18 3EJ | 2021 |
| Amitec Maintenance Ltd | Plumbing & heating | RG7 8JA | 2011 |
| Andwell Auto Repairs Ltd | Garages & mechanics | RG7 1WY | 2016 |
| Andy Clark (Northwood) Ltd | Builders | RG18 9XG | 2002 |
| Anesco Asset Services Ltd | Builders | RG7 2PQ | 2025 |
| Anesco Ltd | Builders | RG7 2PQ | 2010 |
| Antwil Electrical Services Ltd | Electricians | RG7 1HJ | 2025 |
| Apertura Gates Ltd | Builders | RG18 9AA | 2021 |
| Aquacraft Ltd | Plasterers | RG7 1JQ | 2019 |
| 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 |
| Ascot & Rose Ltd | Builders | RG18 0TD | 2020 |
| 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 |
| Aurora Controls Ltd | Builders | RG7 4AB | 2023 |
| Awm Roofing & Building Ltd | Roofers | RG7 1PE | 2023 |
| Axolotl Structural Ltd | Builders | RG18 9QL | 2018 |
| B N Fencing Ltd | Gardeners & landscapers | RG7 8JA | 2018 |
| Ball Coatings Ltd | Painters & decorators | RG7 4NU | 2018 |
| Banks Transport Services Ltd | Garages & mechanics | RG18 9JT | 2020 |
| 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 Commercials Ltd | Garages & mechanics | RG18 3HH | 2017 |
| Berkshire Electricians Ltd | Electricians | RG7 1SS | 2021 |
| Berkshire Fencing Projects Ltd | Builders | RG7 1AE | 2025 |
| Berkshire Flooring Ltd | Flooring & tiling | RG7 1JQ | 2001 |
| 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 |
| 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 |
| Blue Line Electrical Services Ltd | Electricians | RG7 4AB | 2024 |
| Boyles Plumbing and Heating Ltd | Plumbing & heating | RG18 3EA | 2022 |
| 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 |
| Breadmore Commercials Ltd | Garages & mechanics | RG18 9TL | 2003 |
| Brickell Swimming Pools Ltd | Builders | RG18 9XY | 1963 |
| Britalba Ltd | Garages & mechanics | RG7 1LZ | 2010 |
| Burghfield Rs Ltd | Hair & beauty | RG7 3HF | 2023 |
| Byng Holdings Ltd | Builders | RG7 4LH | 2025 |
| Bytlung Ltd | Builders | RG7 5TT | 2015 |
| C & D Construction Property Maintenance Ltd | Builders | RG7 1WY | 2026 |
| C N Brickwork Ltd | Builders | RG7 1JQ | 2016 |
| Call Brady Plumbing and Heating Ltd | Plumbing & heating | RG18 3BH | 2020 |
| Camberford Developments Ltd | Builders | RG7 1AE | 2012 |
| Cameo Carpets Ltd | Flooring & tiling | RG7 1WY | 2023 |
| Carey Electrical Ltd | Electricians | RG18 4DX | 2011 |
| 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 |
| Cg Roofing Specialists Ltd | Roofers | RG18 3DH | 2021 |
| Chieveley Roofing Services Ltd | Roofers | RG18 4BT | 2026 |
| Chilli Pepper Properties Ltd | Plumbing & heating | RG7 1WY | 2010 |
| Chiltern Auto Repair Services Ltd | Garages & mechanics | RG7 1JQ | 2006 |
| Church Street (Theale) Management Company Ltd | Builders | RG18 4NA | 2011 |
| 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 |
| 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 |
| 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 L T Plumbing & Heating Ltd | Plumbing & heating | RG18 3DT | 2017 |
| 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 |
| David Thompson Home Improvements Ltd | Builders | RG18 3AD | 2011 |
| Dca Motors Ltd | Garages & mechanics | RG7 1JQ | 2018 |
| 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 |
| Destino Aesthetics Ltd | Hair & beauty | RG7 8JA | 2023 |
| Dgfh Holdings Ltd | Electricians | RG7 4AB | 2026 |
| Dgsl Ltd | Painters & decorators | RG7 8JA | 2020 |
| Diamonds Developments Ltd | Gardeners & landscapers | RG18 9XU | 2026 |
| Dklm Properties Ltd | Builders | RG18 3EJ | 2026 |
| Doa Timber Works Ltd | Joiners & carpenters | RG7 5PA | 2026 |
| Doom & Groom Ltd | Hair & beauty | RG7 1AA | 2025 |
| Dpi Interiors Ltd | Painters & decorators | RG7 8JA | 2016 |
| Driving Clean Ltd | Cleaners | RG18 4EG | 2019 |
| Drs Building Solutions Ltd | Builders | RG18 9RN | 2011 |
| Dru Can Do Commercial Cleaning Ltd | Cleaners | RG7 8SA | 2025 |
| Dsm Construction & Management Ltd | Joiners & carpenters | RG18 3EB | 2025 |
| Dt Electrical Contractors (Sw) Ltd | Electricians | RG7 4AB | 2025 |