| A Sterling Developments Ltd | Builders | PO5 2DA | 2026 |
| A&L Decorating Oxford Holding Ltd | Builders | PO4 0JS | 2022 |
| Absolute Shutters UK Ltd | Builders | PO5 4NS | 2014 |
| Aiga Construction Ltd | Builders | PO5 1ET | 2015 |
| Aiwa Group Ltd | Builders | PO4 0EW | 2015 |
| Aj Plumbing&Building Services Ltd | Builders | PO5 1SE | 2023 |
| Am Property Construction Ltd | Builders | PO5 4JE | 2024 |
| Amerlynck Engineering Ltd | Builders | PO5 2SE | 2015 |
| Andromeda Carpentry and Building Services Ltd | Builders | PO1 5HU | 2004 |
| Aque Construction Ltd | Builders | PO5 2DA | 2024 |
| At Building Construction Ltd | Builders | PO5 1DS | 2025 |
| Atm Fencing & Landscaping Ltd | Builders | PO3 6BN | 2024 |
| Aurel Construction Ltd | Builders | PO1 5RF | 2016 |
| Bakes Construction Ltd | Builders | PO5 1DS | 2026 |
| Barhill Plant Ltd | Builders | PO1 2RG | 1973 |
| Beautiful Bathrooms Ltd | Builders | PO5 1LN | 2026 |
| Bernie Eaden Electrical Ltd | Builders | PO5 1DS | 2019 |
| Bjp Projects Ltd | Builders | PO5 2SE | 2022 |
| Blackledge Engineering Services Ltd | Builders | PO5 1PW | 1993 |
| Blue Fox Groundworks and Civils Ltd | Builders | PO5 2DA | 2019 |
| Bmc Services Carpentry & Building Contractors Ltd | Builders | PO5 1LU | 2014 |
| Boon Construction Ltd | Builders | PO4 0HE | 2024 |
| Brialex Construction Ltd | Builders | PO4 0PH | 2016 |
| Bryburn Fire Protection Ltd | Builders | PO5 1DS | 2024 |
| Build & Refurb Associates Ltd | Builders | PO5 2DA | 2011 |
| Build & Refurb Management and Consult Ltd | Builders | PO5 2DA | 2020 |
| Calder Bricklaying Contractors Ltd | Builders | PO5 1DS | 2007 |
| Carrin Construction & Development Ltd | Builders | PO5 1DS | 2026 |
| Casa Renovations Ltd | Builders | PO1 2RG | 2021 |
| Castaway Carpentry Ltd | Builders | PO4 0DP | 2023 |
| Cd & Ps (Fareham) Ltd | Builders | PO5 3AY | 2015 |
| Cfl Paving Groundworks Ltd | Builders | PO5 2DA | 2019 |
| Cjr Fire Protection Ltd | Builders | PO5 2SE | 2024 |
| Cjs Construction Services Ltd | Builders | PO1 5HY | 2023 |
| Club Commerce Architecture Ltd | Builders | PO1 4RJ | 2020 |
| Cm Brickwork Ltd | Builders | PO5 4PA | 2026 |
| Copper Renovations Ltd | Builders | PO4 0ES | 2023 |
| Crisitan Ltd | Builders | PO4 0JS | 2024 |
| Crossway Insulation Ltd | Builders | PO5 1DS | 2010 |
| D L Home Improvements Ltd | Builders | PO5 1DS | 2025 |
| D R K Interiors Ltd | Builders | PO5 1DS | 2013 |
| D Robinson Brickwork Ltd | Builders | PO5 1DS | 2025 |
| D T Developments (Southern) Ltd | Builders | PO5 2SN | 2015 |
| D W L Home Improvements Ltd | Builders | PO5 1DS | 2021 |
| D&H Damp Proofing Ltd | Builders | PO5 1LN | 2025 |
| D.Gerocs Ltd | Builders | PO5 1NT | 2019 |
| D2i Property Maintenance Ltd | Builders | PO1 2RG | 2009 |
| Daish & Son'S Builders Ltd | Builders | PO5 1DS | 2015 |
| Danilcom Construction Ltd | Builders | PO1 5HZ | 2025 |
| Dicksons Construction and Crane Services Ltd | Builders | PO5 1DS | 2015 |
| Dlg Dps Ltd | Builders | PO1 1QX | 2021 |
| Douglasag Ltd | Builders | PO4 0HP | 2026 |
| Dwell Projects Ltd | Builders | PO1 5BX | 2012 |
| Eaststar Properties (Southern) Ltd | Builders | PO5 2DA | 2017 |
| Elbre Ltd | Builders | PO5 1JJ | 2016 |
| Elite Building Services (Portsmouth) Ltd | Builders | PO4 9EF | 2026 |
| Elliott Building Consultants Ltd. | Builders | PO5 3AY | 2012 |
| Exclusive Renovations Ltd | Builders | PO1 2RG | 2023 |
| Extra Quotes Ltd | Builders | PO1 1PJ | 2024 |
| F M Projects Ltd | Builders | PO1 2SN | 2014 |
| Finest Finish Ltd | Builders | PO1 1JN | 2024 |
| Fix Up Look Sharp Ltd | Builders | PO4 8AX | 2018 |
| G Foran Ltd | Builders | PO5 1DS | 2018 |
| G&I Parsons Ltd | Builders | PO1 5BX | 2005 |
| Gb 2002 Ltd | Builders | PO4 8BA | 2017 |
| Genius Contracts Ltd | Builders | PO1 4BL | 2017 |
| Genius Payroll Ltd | Builders | PO1 4BL | 2010 |
| Gp Technical Ltd | Builders | PO3 6GZ | 2026 |
| Greening Consultants Ltd | Builders | PO1 2TB | 2013 |
| Halcyon Events Ltd | Builders | PO5 3AY | 2017 |
| Halcyon Homes Ltd | Builders | PO5 3AY | 2002 |
| Hampshire Building & Maintenance Services Ltd | Builders | PO5 3AY | 2023 |
| Hampshire Building Services Ltd | Builders | PO5 3AY | 2022 |
| Hampshire Drives Ltd | Builders | PO1 2RG | 2019 |
| Hard Hats Recruitment Ltd | Builders | PO1 5AU | 2024 |
| Hillrise Property Partners Ltd | Builders | PO5 1DS | 2025 |
| Hsbm Facilities Management Ltd | Builders | PO5 1DS | 2021 |
| Hughes Power Solutions Ltd | Builders | PO5 1DS | 2018 |
| Ibuild Management Services Ltd | Builders | PO5 2SE | 2016 |
| Ice Electrical Contractors Holdings Ltd | Builders | PO5 2DA | 2010 |
| Ilyas Projects Ltd | Builders | PO5 1LU | 2014 |
| Indiego Build Ltd | Builders | PO5 1EW | 2020 |
| Inside Out Developments (South) Ltd | Builders | PO5 1DS | 2015 |
| Inside Out Developments Southampton Ltd | Builders | PO5 1DS | 2026 |
| Interiors Design Lorance Ltd | Builders | PO5 4PD | 2025 |
| Isotech Sprayfoam Ltd | Builders | PO5 2DH | 2003 |
| It Group Portsmouth Ltd | Builders | PO1 5RP | 2019 |
| J Cobbold Brickwork Ltd | Builders | PO5 1DS | 2018 |
| J K B Home Improvements Ltd | Builders | PO1 4PA | 2025 |
| Jad Property Services Ltd | Builders | PO5 3AY | 2015 |
| James Fencing Ltd | Builders | PO5 1DS | 2019 |
| Jcc Construction Sites Ltd | Builders | PO4 8FR | 2024 |
| Jdi Fire Protection Ltd | Builders | PO1 2RG | 2024 |
| Jl Homes Ltd | Builders | PO5 2DA | 2005 |
| Joam Construction Services Ltd | Builders | PO5 1DS | 2014 |
| John Mcghee Brickwork Ltd | Builders | PO5 1DS | 2019 |
| Johnathanbuild Ltd | Builders | PO5 1RU | 2025 |
| Johnson'S Property Maintenance Ltd | Builders | PO1 2RG | 2010 |
| Johnston Energy Ltd | Builders | PO4 0ER | 2015 |
| Joyce and Sons Builders Ltd | Builders | PO1 2RG | 2023 |
| Jp Building Services Ltd | Builders | PO5 3AY | 2006 |
| Jppro Ltd | Builders | PO5 4NA | 2026 |
| Jps Refurbs Ltd | Builders | PO5 1LN | 2022 |
| Jts Property Maintenance Ltd | Builders | PO1 5HZ | 2024 |
| K V Pest Control Ltd | Builders | PO4 0ET | 2023 |
| Kaizen Garden Rooms Ltd | Builders | PO5 1LU | 2025 |
| L D Jenner Ltd | Builders | PO5 1JT | 2026 |
| L.I.B Construction Ltd | Builders | PO1 2RG | 2024 |
| Lustra Bathrooms Ltd | Builders | PO1 2RG | 2024 |
| Luxury Resin Floors and Media Walls Ltd | Builders | PO5 4AB | 2026 |
| M and C Plastering Ltd | Builders | PO5 1DS | 2014 |
| M Sweeting Ltd | Builders | PO5 1DS | 2014 |
| Mable Facades Brickwork & Cladding Ltd | Builders | PO5 1RT | 2013 |
| Mark Kirkby Ltd | Builders | PO5 2SE | 2015 |
| Mark Spooner Premier Paving Ltd | Builders | PO5 1DS | 2016 |
| Marley and Brothers Ltd | Builders | PO1 2RG | 2026 |
| Martian Developments Ltd | Builders | PO4 8ER | 2020 |
| Mb Southern Ltd | Builders | PO5 2DA | 2024 |
| Mc13 Ltd | Builders | PO4 9DA | 2020 |
| Mdboz Ltd | Builders | PO1 5LZ | 2022 |
| Meylex Ltd | Builders | PO5 1ET | 2025 |
| Mm Handyman Services Ltd | Builders | PO5 1LN | 2026 |
| Mu Property Facilities Ltd | Builders | PO5 3AY | 2012 |
| N D J Carpentry Services Ltd | Builders | PO5 1DS | 2021 |
| Neon Integrated Services Ltd | Builders | PO1 2RG | 2023 |
| O.C.C Landscape & Construction Ltd | Builders | PO1 2RG | 2014 |
| Oakwood Fencing Ltd | Builders | PO5 1DS | 2019 |
| Oliver Engineering & Calibrations Ltd | Builders | PO5 1DS | 2001 |
| Osd Interior Ltd | Builders | PO4 0AH | 2019 |
| P H Brickwork Ltd | Builders | PO5 1DS | 2007 |
| P3 Developments Ltd | Builders | PO5 1LH | 2021 |
| Park Building Solutions Ltd | Builders | PO5 2DA | 2024 |
| Paul Moreton Building Services Ltd | Builders | PO5 1DS | 2025 |
| Payright Cis Ltd | Builders | PO5 1DS | 2025 |
| Perma-Fix Ltd | Builders | PO3 6AT | 2012 |
| Perun Mokosh Ltd | Builders | PO1 4JQ | 2026 |
| Pink Development Ltd | Builders | PO5 1DS | 2018 |
| Pjm Decorating Services Ltd | Builders | PO5 1DS | 2024 |
| Prem Build Ltd | Builders | PO5 1LN | 2024 |
| Premier Builders (Southern) Ltd | Builders | PO5 3AY | 2026 |
| Pristine Property Service Ltd | Builders | PO3 6HP | 2022 |
| Prs Bathrooms & Tiling Ltd | Builders | PO5 1LN | 2025 |
| Prs Ceramics (Fareham) Ltd | Builders | PO5 1LN | 2022 |
| Psw Builders Ltd | Builders | PO5 1DS | 2026 |
| R & H Carpentry Ltd | Builders | PO5 1DS | 2018 |
| R Evans Construction Ltd | Builders | PO1 4PT | 2017 |
| Rainscreen Systems Ltd | Builders | PO5 1DS | 2018 |
| Rht Maintenance & Flooring Ltd | Builders | PO1 2RY | 2021 |
| Richard Pollock Construction Ltd | Builders | PO5 2SE | 2015 |
| Rkd Commercial Cleaning and Maintenance Ltd | Builders | PO4 0DN | 2022 |