| 203 West Ltd | Builders | PO16 0EN | 2026 |
| 365 Carpentry Ltd | Builders | PO16 8SS | 2021 |
| 3p Renovations Ltd | Builders | PO13 8GF | 2025 |
| 3xc Group Ltd | Builders | PO16 9QD | 2025 |
| A & S Dry Lining Ltd | Builders | PO16 8XT | 2001 |
| A Lees Bricklaying Contractors Southern Ltd | Builders | PO12 1LY | 2023 |
| A R Whitehead Ltd | Builders | PO12 3SZ | 2007 |
| A. Lees Bricklaying Contractors Ltd | Builders | PO12 1LY | 1997 |
| A.T. Jones & Son Ltd | Builders | PO16 8SS | 1976 |
| A1 Drivestyle Ltd | Builders | PO12 1BS | 2002 |
| Abcan Property Holdings Ltd | Builders | PO16 7BB | 2018 |
| Able Steel Fabrications Ltd | Builders | PO12 4UH | 1995 |
| Adfinishers Ltd | Builders | PO12 1LY | 2016 |
| Ag Weld Services Ltd | Builders | PO14 1DT | 2024 |
| Ahn Property Services Ltd | Builders | PO16 9QD | 2024 |
| Airport Facilities (Heathrow) Ltd | Builders | PO16 7JH | 2014 |
| Airport Facilities (Maintenance) Ltd | Builders | PO16 7JH | 2009 |
| Ajs Construction Group Ltd | Builders | PO12 4HE | 2020 |
| Ako Carpentry & Building Ltd | Builders | PO16 0BZ | 2019 |
| Alc Roofing & Construction Ltd | Builders | PO13 9AW | 2020 |
| Alexander Chisholm Construction Ltd | Builders | PO16 0EN | 2024 |
| All Under One Roof Developments Ltd | Builders | PO16 9NY | 2020 |
| Allclad Insulation Services Ltd | Builders | PO16 7JH | 2000 |
| Amg Building Contractors Ltd | Builders | PO16 9XS | 2015 |
| Aml Renovations Ltd | Builders | PO16 0EN | 2025 |
| Amtrex Groundworks Ltd | Builders | PO16 0HZ | 2026 |
| Anya Waugh Ltd | Builders | PO12 4EH | 2025 |
| Apex Bridge Capital Ltd | Builders | PO16 8LR | 2025 |
| Apex Loft Conversions South Ltd | Builders | PO16 0SN | 2025 |
| Apj Construction Services Ltd | Builders | PO13 9FX | 2023 |
| Applemore Groundworks and Agriculture Ltd | Builders | PO16 8XT | 2026 |
| Apr Renovations Ltd | Builders | PO12 4EH | 2025 |
| Aquafinishing Ltd | Builders | PO16 0EN | 2022 |
| Aramis Glazing Solutions Ltd | Builders | PO16 7EU | 2022 |
| Arcos Interiors Ltd | Builders | PO16 0EN | 2015 |
| Ashley Sturman Construction Ltd | Builders | PO16 0EN | 2024 |
| Aspire-Services Ltd. | Builders | PO16 8PZ | 2013 |
| At Jones Holdings Ltd | Builders | PO16 8SS | 2005 |
| Atj Facades Ltd | Builders | PO16 8SS | 2016 |
| Atj Plant Ltd | Builders | PO16 8SS | 2016 |
| B & M Clark (Builders) Ltd | Builders | PO16 8TT | 1978 |
| B J Plumbing Ltd | Builders | PO16 8JL | 1998 |
| B.A.G.G.S. Property Ltd | Builders | PO13 9HX | 2023 |
| Balfour Landscapes Southern Ltd | Builders | PO14 3PQ | 2026 |
| Barr Chimney Specialists Ltd | Builders | PO12 1BS | 2002 |
| Basilica Build Ltd | Builders | PO16 9TG | 2026 |
| Beatties Mechanical Contractors Ltd | Builders | PO16 0EN | 2019 |
| Beaubridge Make Homes 1 Ltd | Builders | PO16 7BB | 2020 |
| Beaven Ltd | Builders | PO14 1AA | 2019 |
| Belcam Ltd | Builders | PO16 9XS | 2019 |
| Benlee Construction Ltd | Builders | PO16 7JH | 1996 |
| Bishop Construction Ltd. | Builders | PO16 7HB | 2015 |
| Bitterne Building Contractors Ltd | Builders | PO16 7EJ | 2023 |
| Bjm Fencing & Landscaping Ltd | Builders | PO16 0EN | 2026 |
| Bla Contractors Ltd | Builders | PO16 7BB | 2016 |
| Bll Construction Ltd | Builders | PO16 8QG | 2026 |
| Blue Moon Developments (Southampton) Ltd | Builders | PO16 8SS | 2001 |
| Bnj'S Garden Patios & Landscaping Ltd | Builders | PO12 4RJ | 2025 |
| Bogdans Home Improvements Ltd | Builders | PO16 7SF | 2023 |
| Bookmark Developments Ltd | Builders | PO14 3DJ | 2024 |
| Bosham Builders Ltd | Builders | PO16 8EL | 2017 |
| Breeze Construction Ltd | Builders | PO12 1PT | 2000 |
| Btb Property Development Ltd | Builders | PO16 0HZ | 2025 |
| Btk Scaffolding Ltd | Builders | PO16 0EN | 2026 |
| Buildable Spaces Ltd | Builders | PO16 0EN | 2026 |
| Building Services and Solutions Southern Ltd | Builders | PO16 8UY | 2019 |
| Burns Building Ltd | Builders | PO12 4JH | 2024 |
| Buryhall Home Improvements Ltd | Builders | PO12 2PW | 2026 |
| Bwt-Southern Ltd | Builders | PO16 0QS | 2000 |
| C & C Brickwork Ltd | Builders | PO16 8JL | 2007 |
| C Hill Property Maintenance Ltd | Builders | PO16 0EN | 2026 |
| C&L Management (Southern) Ltd | Builders | PO13 9FX | 2015 |
| Caldera Fs Ltd | Builders | PO16 8XT | 2017 |
| Cam Structures Ltd | Builders | PO16 8SS | 2026 |
| Camelot Contracts (Sussex) Ltd | Builders | PO12 4JU | 2012 |
| Capture Projects Ltd | Builders | PO14 2LW | 2026 |
| Carl West Ltd | Builders | PO16 8XT | 1997 |
| Carter Blinds Ltd | Builders | PO16 9UE | 2012 |
| Cass Baxter Carpentry & Construction Ltd | Builders | PO14 1BT | 2022 |
| Cbma Ltd | Builders | PO16 9UN | 2019 |
| Ccw Services Ltd | Builders | PO16 8XT | 2003 |
| Ce Facilities Management Ltd | Builders | PO12 1LY | 2011 |
| Chester Oak Developments Ltd | Builders | PO16 9UZ | 2025 |
| Chris Puttock Ltd | Builders | PO16 0QQ | 2023 |
| Churchers Construction Ltd | Builders | PO13 0BY | 2023 |
| Cj-Pro Contracting Ltd | Builders | PO16 0EN | 2013 |
| Cjs Property Services (South Coast) Ltd | Builders | PO12 1LY | 2017 |
| Clifford & Sons Ltd | Builders | PO16 0HZ | 2007 |
| Closed Cell Removal Ltd | Builders | PO12 1RD | 2026 |
| Closewood Renewables Ltd | Builders | PO16 8XT | 2022 |
| Cms Construction Ltd | Builders | PO12 4QH | 2021 |
| Construct A Stencil Ltd | Builders | PO16 8RP | 2025 |
| Construction & Landscape Ltd | Builders | PO16 7JH | 2002 |
| Contour Access Ltd | Builders | PO16 8SS | 2026 |
| Corbiere Homes (Woking) Ltd | Builders | PO14 4AR | 2011 |
| Corbiere Homes Ltd | Builders | PO14 4AR | 2008 |
| Cranes (South) Surveyors Ltd | Builders | PO14 1AH | 2024 |
| Crc Installs Ltd | Builders | PO12 3NJ | 2023 |
| Crestzest Ltd | Builders | PO16 7BB | 1999 |
| Cura Commercial Ltd | Builders | PO16 7JH | 2016 |
| Curtis & Co Property Renovations Ltd | Builders | PO16 0BZ | 2022 |
| D & A Installations Ltd | Builders | PO12 3AX | 2025 |
| D P D Consultants Ltd | Builders | PO16 7BB | 1990 |
| D&D Brickwork Ltd | Builders | PO16 9AQ | 2018 |
| D&J Modern Housing Ltd | Builders | PO16 0EN | 2026 |
| D.Jarrold Ltd | Builders | PO12 4AT | 2026 |
| D.R. Maintenance Ltd | Builders | PO12 3NT | 2019 |
| Dall Access & Maintenance Ltd | Builders | PO13 9JW | 2026 |
| David Kemp Ltd | Builders | PO12 3UL | 2018 |
| Davis Property Services Gu Ltd | Builders | PO16 7JH | 2018 |
| Dc Construction & Utilities Ltd | Builders | PO14 1DP | 2024 |
| De Construction UK Ltd | Builders | PO16 9UN | 2007 |
| Deecom and Associates Ltd | Builders | PO16 7BB | 1993 |
| Defacto Services Ltd | Builders | PO14 4EG | 2016 |
| Delscar Construction Ltd | Builders | PO13 9FB | 2025 |
| Djb Home Improvements Ltd | Builders | PO14 2JG | 2004 |
| Djk Brickworks Ltd | Builders | PO12 3AP | 2023 |
| Djt Construction Ltd | Builders | PO16 0HZ | 2023 |
| Dma Property Services (South) Ltd | Builders | PO16 8XT | 2023 |
| Dn11 Joinery Ltd | Builders | PO16 0EN | 2023 |
| Double D Services Ltd | Builders | PO13 0BX | 2025 |
| Douglas Construction Ltd | Builders | PO16 8RB | 2002 |
| Dowling Carpentry and Construction Ltd | Builders | PO16 8EL | 2018 |
| Drh Construction Solutions Ltd | Builders | PO16 7BB | 2019 |
| Dtl Multi Services Ltd | Builders | PO16 0EN | 2022 |
| Earthmill Ltd | Builders | PO16 0EN | 2009 |
| Ecj Interiors Ltd | Builders | PO14 1LR | 2026 |
| Eclipse Marine Carpentry Ltd | Builders | PO16 9NN | 2026 |
| Eco Thermal Ltd | Builders | PO12 1LY | 2007 |
| Eco Volt Consulting Ltd | Builders | PO16 0EN | 2022 |
| Efo Group Ltd | Builders | PO16 0EN | 2024 |
| Elitemurphy Developments Ltd | Builders | PO12 1LY | 2011 |
| Energy Your Way Ltd | Builders | PO16 7BB | 2023 |
| Escis Marine Subsea Ltd | Builders | PO12 4EH | 2018 |
| Etherington'S Estates Ltd | Builders | PO16 0EN | 2016 |
| Exclusive Pro Ltd | Builders | PO16 8TT | 2024 |
| Exsel Pumps Ltd | Builders | PO16 8TT | 1997 |
| Exterior Designers Ltd | Builders | PO14 3JS | 2007 |
| Fairblades Ltd | Builders | PO16 0EN | 2026 |
| Falcon Survey and Engineering Solution Ltd | Builders | PO16 0EN | 2020 |
| Fareham Carpentry Ltd | Builders | PO14 3AD | 2022 |
| Final Touch Hampshire Ltd | Builders | PO12 1LY | 2020 |
| Fingerprint Estates Ltd | Builders | PO16 7AF | 2025 |
| First Cheshire Properties Ltd | Builders | PO16 8UY | 2010 |
| Flow (Services) Ltd | Builders | PO16 7BB | 2014 |
| Flownet Solution Southern Labour Ltd | Builders | PO12 4LJ | 2025 |
| Flownet Solution Southern Ltd | Builders | PO12 4LJ | 2016 |
| Foreverod Ltd | Builders | PO12 4SN | 2025 |
| Fourthnest Ltd | Builders | PO12 1LY | 2019 |
| Frb Building Solutions Ltd | Builders | PO14 2SL | 2025 |