| 24-7 Ready Plumbing & Construction Ltd | Builders | PO15 7PR | 2023 |
| 4site Logistics Ltd | Builders | PO15 5TD | 2025 |
| A.C.M. Construction Ltd | Builders | PO15 7FX | 1986 |
| Abs (Hampshire) Ltd | Builders | PO15 7AH | 2026 |
| Ag Weld Services Ltd | Builders | PO14 1DT | 2024 |
| Airtech Extraction Ltd | Builders | PO14 1TY | 2023 |
| Aj Creative Builders Ltd | Builders | PO15 5AD | 2026 |
| Amiri Construction Ltd | Builders | PO15 5TD | 2005 |
| Amiri Homes Ltd | Builders | PO15 5TD | 2019 |
| Andy Edwards Builders Ltd | Builders | PO15 6PD | 2015 |
| Aqua Platinum Projects Ltd | Builders | PO15 7FT | 2011 |
| Art of Integration Maintenance Ltd | Builders | PO15 5TD | 2020 |
| Balfour Landscapes Southern Ltd | Builders | PO14 3PQ | 2026 |
| Beaven Ltd | Builders | PO14 1AA | 2019 |
| Berkley Care (Bristol) Ltd | Builders | PO15 7AD | 2018 |
| Berkley Care (Chesham) Ltd | Builders | PO15 7AD | 2016 |
| Boskalis Eod Services (UK) Ltd | Builders | PO15 5SS | 2013 |
| Boskalis Marine Contracting Ltd | Builders | PO15 5SS | 1959 |
| Boskalis Offshore Ltd | Builders | PO15 5SS | 2012 |
| Boskalis Subsea Ltd | Builders | PO15 5SS | 2010 |
| Boskalis Westminster (Holdings) Ltd | Builders | PO15 5SS | 1933 |
| Boskalis Westminster Ltd | Builders | PO15 5SS | 1962 |
| Boxall Maintenance Ltd | Builders | PO15 7AH | 2020 |
| Bradam Ltd | Builders | PO15 7GB | 2024 |
| Broad Construction Portsmouth Ltd | Builders | PO15 6PU | 2025 |
| Brooklands Homes South Coast Ltd | Builders | PO15 7AH | 2018 |
| Budova Construction Ltd | Builders | PO15 7AH | 2016 |
| Builderoo Ltd | Builders | PO15 5TD | 2017 |
| Bundlehome Ltd | Builders | PO15 5TT | 2025 |
| Capital Homes Group Ltd | Builders | PO15 5TJ | 2015 |
| Capture Projects Ltd | Builders | PO14 2LW | 2026 |
| Cass Baxter Carpentry & Construction Ltd | Builders | PO14 1BT | 2022 |
| Chilworth Construction Management Ltd | Builders | PO15 7FN | 2005 |
| City Locks Ltd | Builders | PO15 7FT | 2003 |
| Cliff & Jones Contracts Ltd | Builders | PO15 7HN | 2026 |
| Coastal Waterwatch Ltd | Builders | PO15 7FX | 1996 |
| Compass Projects Ltd | Builders | PO15 7AH | 2022 |
| Cornercrest Brickwork Ltd | Builders | PO15 7QD | 2025 |
| Cornwall Carpenters Ltd | Builders | PO15 6RQ | 2025 |
| Cornwall Hendra Ltd | Builders | PO15 6RQ | 2025 |
| Cougar Engineering & Construction Ltd | Builders | PO15 5TH | 2003 |
| Cp Mitchley Ltd | Builders | PO15 5TH | 2015 |
| Cranes (South) Surveyors Ltd | Builders | PO14 1AH | 2024 |
| Crown Developments (Winchester) Ltd | Builders | PO15 5SS | 2000 |
| D.V.P.5 Ltd | Builders | PO15 7EE | 2025 |
| Dbs Maintenance Ltd | Builders | PO15 5SS | 2003 |
| Dc Construction & Utilities Ltd | Builders | PO14 1DP | 2024 |
| Df Groundworks Ltd | Builders | PO15 7AX | 2010 |
| Djb Home Improvements Ltd | Builders | PO14 2JG | 2004 |
| Dorelbury Ltd | Builders | PO15 5SS | 1980 |
| Ech Property Solutions Ltd | Builders | PO15 5TH | 2015 |
| Ecj Interiors Ltd | Builders | PO14 1LR | 2026 |
| Ecobright Consultancy Services Ltd | Builders | PO15 5TD | 2018 |
| Encouraged Construction Ltd | Builders | PO15 7AH | 2019 |
| Erikom Building Solutions Ltd | Builders | PO15 5SE | 2014 |
| Exterior Designers Ltd | Builders | PO14 3JS | 2007 |
| Fareham Carpentry Ltd | Builders | PO14 3AD | 2022 |
| Flo Renovations Ltd | Builders | PO15 6PE | 2024 |
| Fortress Fencing Ltd | Builders | PO15 7PU | 2025 |
| Frb Building Solutions Ltd | Builders | PO14 2SL | 2025 |
| Genin Group Ltd | Builders | PO15 7EZ | 2020 |
| George Atkins Plant Hire Ltd | Builders | PO15 7FX | 2003 |
| Greens Electrical Contractors Ltd | Builders | PO14 4LG | 2022 |
| Greenway (Southern) Ltd | Builders | PO15 7RE | 2025 |
| Hampshire Driveways Ltd | Builders | PO14 2AG | 2019 |
| Hampshire Resin & Pave Ltd | Builders | PO14 2AG | 2019 |
| Hampshire Stone Care Ltd | Builders | PO14 4QJ | 2022 |
| Harpers Weybridge Ltd | Builders | PO15 5TH | 2009 |
| Hill Head Building & Roofing Ltd | Builders | PO14 2SL | 2026 |
| Hillcrest Structural Ltd | Builders | PO15 7AG | 1982 |
| Homestead Construction Ltd | Builders | PO14 1JZ | 2016 |
| Htl Projects Ltd | Builders | PO15 7FN | 2025 |
| Hudson Built Ltd | Builders | PO15 7AG | 2025 |
| Imperial Homes Ltd | Builders | PO15 6DZ | 1987 |
| Ingham Construction Services Ltd | Builders | PO14 1FD | 2009 |
| Intelligent Pool System Ltd | Builders | PO15 7FT | 2011 |
| J Chopra Screeding Ltd | Builders | PO15 6BX | 2016 |
| Jaguar Engineering Group Ltd | Builders | PO15 5TH | 2010 |
| Jb Carpentry Contractors (Southern) Ltd | Builders | PO15 5SJ | 2022 |
| Jb Carpentry Contractors Ltd | Builders | PO15 5SJ | 2017 |
| Jb Homes (Southern) Ltd | Builders | PO15 5SJ | 2021 |
| Jeg Commercial Services Ltd | Builders | PO14 1FD | 2025 |
| Jgc Property Services Ltd | Builders | PO15 5TE | 2013 |
| Jja Engineering Solutions Ltd | Builders | PO15 7PR | 2024 |
| Jna Fencing Ltd | Builders | PO14 2JG | 2017 |
| Kjs Plant Hire and Haulage Ltd | Builders | PO15 7LU | 2015 |
| L H R J Associates Ltd | Builders | PO15 7FX | 2013 |
| Landdene Homes Ltd | Builders | PO15 5TJ | 2023 |
| Lawsons Landscape & Building Ltd | Builders | PO15 7AH | 2020 |
| Limburn & Field Ltd | Builders | PO15 5TD | 2018 |
| Ljs Developments Ltd | Builders | PO15 7FP | 2017 |
| Ljs Windows Ltd | Builders | PO14 4JP | 2019 |
| Majengo Ltd. | Builders | PO15 7NJ | 2009 |
| Martin Williams Building and Refurbishment Ltd | Builders | PO15 5TD | 2015 |
| Master-Services Ltd | Builders | PO15 7QD | 2021 |
| Matthews Groundworks and Plant Hire Ltd | Builders | PO15 6EX | 2022 |
| Mavis Developments Ltd | Builders | PO15 5TT | 2024 |
| Mph Piling Ltd | Builders | PO14 3LG | 2025 |
| N C Contractors and Sons Ltd | Builders | PO15 7RB | 2023 |
| Neighbourhood Electrical Services Ltd | Builders | PO14 2JG | 2021 |
| Nice Box Ltd | Builders | PO14 1PE | 2026 |
| Njb Building Solutions Ltd | Builders | PO15 6RR | 2014 |
| Ocean Environmental Ltd | Builders | PO15 7DH | 1999 |
| Ordnance Property Ltd | Builders | PO15 5SS | 2019 |
| Par Excellence Fabrication Ltd | Builders | PO14 3NH | 2016 |
| Paris Mouldings Ltd | Builders | PO14 2EA | 2013 |
| Paul H Buiding and Maintenance Ltd | Builders | PO15 5AN | 2012 |
| Pel Gibbs Ltd | Builders | PO14 4NA | 2007 |
| Pevensey Coastal Defence Ltd | Builders | PO15 5SS | 1999 |
| Pma (Services) Ltd | Builders | PO15 7FX | 2018 |
| Premium Marquees Ltd | Builders | PO15 7NP | 2012 |
| Prestige Building Solutions Group Ltd | Builders | PO15 7PL | 2026 |
| Prichard Technical Services Ltd | Builders | PO14 1HX | 2023 |
| Prime Build South Ltd | Builders | PO14 1DH | 2026 |
| Primer Glasgow Ltd | Builders | PO15 7AD | 2024 |
| Principle Building Services Ltd | Builders | PO15 7FP | 2009 |
| Principle Cleaning Ltd | Builders | PO15 7FP | 2017 |
| Pro Point Brickwork Ltd | Builders | PO15 7AH | 2020 |
| Pro-Tech Insulation Ltd | Builders | PO15 7HX | 2014 |
| R & P Brickwork Ltd | Builders | PO15 7AH | 2018 |
| Rad Carpentry & Construction Ltd | Builders | PO15 7JH | 2024 |
| Remarkable Repairs Ltd | Builders | PO14 4LQ | 2019 |
| Rock Fall Company Ltd | Builders | PO15 5SS | 1913 |
| Rpm76 Composites Ltd | Builders | PO14 2JG | 2022 |
| S Conway Engineering Ltd | Builders | PO14 1PU | 2003 |
| Safeguard (N/W) Ltd | Builders | PO15 7FT | 1988 |
| Samways Bathrooms Ltd | Builders | PO14 2JG | 2015 |
| Sdcl Ltd | Builders | PO14 2HP | 2025 |
| Sea Salt Build Ltd | Builders | PO15 5TH | 2017 |
| Shms Contracting (Southern) Ltd | Builders | PO15 5TD | 2013 |
| Shms Contracting Ltd | Builders | PO15 5TD | 2009 |
| Smart Insulation Group Ltd | Builders | PO14 1FD | 2026 |
| Solent Plumbing and Heating Ltd | Builders | PO14 3RU | 2026 |
| South Leigh Construction Ltd | Builders | PO14 4NX | 2022 |
| Southern Ground Screws Ltd | Builders | PO14 4PD | 2026 |
| Southern Oak Frames Ltd | Builders | PO14 2JN | 2026 |
| Southern Sealants Ltd | Builders | PO14 3QA | 2010 |
| Sparta Interiors Ltd | Builders | PO14 4PB | 2024 |
| Srs Project Services Ltd | Builders | PO15 5SS | 2021 |
| Svd Construction Ltd | Builders | PO15 7PL | 2020 |
| T&T Facades & Remediation Ltd | Builders | PO15 7AH | 2026 |
| Talk Buildings Ltd | Builders | PO15 5TD | 2023 |
| Telcius Ltd | Builders | PO14 1EE | 2026 |
| The Great British Awning & Blind Co Ltd | Builders | PO15 7HL | 2020 |
| The House Doctor Home Improvements Ltd | Builders | PO14 3HN | 2018 |
| Thomas & Son (Builders) Ltd | Builders | PO15 5TD | 2003 |
| Toby Campbell Ltd | Builders | PO15 7NN | 2013 |
| Trafalgar Brickwork Ltd | Builders | PO15 5TD | 2015 |
| True Harts Construction Ltd | Builders | PO15 5HR | 2026 |
| Twin Developments Ltd | Builders | PO14 4PG | 2022 |