| 01442maintenance Ltd | Builders | HP4 3NR | 2013 |
| A M Roofing & Services Ltd | Builders | HP4 1EF | 2021 |
| A.G. Hipgrave Ltd | Builders | HP4 2PN | 1979 |
| A.J.A. Taylor and Company Ltd | Builders | HP23 4QS | 1922 |
| Acorn Building Services (Bucks) Ltd | Builders | HP23 5TE | 2009 |
| Active Roofing and Property Maintenance Ltd | Builders | HP4 2AF | 2023 |
| Alh Property Maintenance Ltd | Builders | HP23 5RH | 2020 |
| All Renovations & Refurbishments (Ar & R) Ltd | Builders | HP4 1NF | 2005 |
| Allgo Construction Services Ltd | Builders | HP4 1RW | 2020 |
| Amd Ceramics Ltd | Builders | HP4 1EH | 2019 |
| Annabella Homes Ltd | Builders | HP4 1EF | 2025 |
| Aob Designs Ltd | Builders | HP23 4BZ | 2023 |
| Architectural Planning Studio Ltd | Builders | HP4 1HJ | 2009 |
| Arena Interiors Ltd | Builders | HP23 5TE | 1989 |
| Arlo Projects Ltd | Builders | HP4 3PL | 2026 |
| Ashley Paving Ltd | Builders | HP23 6JH | 2005 |
| Aston Clinton Cosy Conversions Ltd | Builders | HP23 5TE | 2025 |
| Belbeck Projects Ltd | Builders | HP23 4JY | 2012 |
| Berkhamsted Building Services Ltd | Builders | HP23 4JX | 1999 |
| Berkhamsted Building Solutions Ltd | Builders | HP4 1AG | 2021 |
| Berkhamsted Building Solutions South Ltd | Builders | HP4 1AG | 2024 |
| Berkhamsted Carpentry Ltd | Builders | HP4 2FF | 2026 |
| Berkhamsted Home Improvements Ltd | Builders | HP4 2JP | 2022 |
| Berkofix Ltd | Builders | HP4 3XB | 2026 |
| Binning Project Surveying Ltd | Builders | HP23 5PJ | 1999 |
| Blighty Construction Ltd | Builders | HP4 3BQ | 2021 |
| Bloxi Ltd | Builders | HP4 1EH | 2024 |
| Boda Bros Ltd | Builders | HP4 1JN | 2025 |
| Bravo Mike Echo Ltd | Builders | HP4 2JQ | 2023 |
| Breachwood Builders Ltd | Builders | HP23 5AL | 2014 |
| Bsec Design Ltd | Builders | HP23 6AF | 1997 |
| C & J Facilities Ltd | Builders | HP23 5TE | 2011 |
| C D Lane Contractors Ltd | Builders | HP23 4JY | 2002 |
| C&S Building and Brickwork Ltd | Builders | HP4 2AF | 2018 |
| Castlemeade Homes Ltd | Builders | HP4 3BQ | 2004 |
| Chipperfield Land Company Ltd | Builders | HP4 3DX | 1987 |
| Ckm Building & Landscaping Services Ltd | Builders | HP23 4QR | 2023 |
| Clissold Contracting Ltd | Builders | HP23 5HD | 2024 |
| Construktclt Ltd | Builders | HP4 1EH | 2016 |
| Croci Fabrications Ltd | Builders | HP23 5AL | 2016 |
| Ctop Window Man Ltd | Builders | HP23 6NQ | 2019 |
| Cubed 3 Developments Ltd | Builders | HP4 2AF | 2022 |
| Cubed Construction Ltd | Builders | HP4 2AF | 2019 |
| Dht Construction Ltd | Builders | HP23 5AL | 2024 |
| Distinctive Property Services Ltd | Builders | HP4 2AF | 2020 |
| Dk Property Maintenance Ltd | Builders | HP4 2AF | 2017 |
| Dlh Building Services Ltd | Builders | HP23 5TE | 2009 |
| Eden Design Installs Ltd | Builders | HP23 4JX | 2022 |
| Eva&David Ltd | Builders | HP23 5DP | 2021 |
| Everest Plant Ltd | Builders | HP4 1EF | 2003 |
| Fabricateclt Ltd | Builders | HP4 1EH | 2026 |
| Fisherking 2000 Ltd | Builders | HP23 4FP | 1999 |
| Flash Tiles Ltd | Builders | HP4 1EH | 2021 |
| Fortis Construction Ltd | Builders | HP23 4JX | 2010 |
| Framework (Specialist Works) Ltd | Builders | HP4 1EH | 1993 |
| Framework Scaffolding Contractors Ltd | Builders | HP4 1EH | 2012 |
| Frankum Associates Ltd | Builders | HP23 5TE | 2020 |
| G P Minns Ltd | Builders | HP4 3EH | 2012 |
| Grange Fm Ltd | Builders | HP23 4PG | 2023 |
| Grayrose Home Builders Ltd | Builders | HP23 5DX | 2026 |
| Green Home Ltd | Builders | HP4 2NT | 2007 |
| Gutterbugs Ltd | Builders | HP23 4PP | 2022 |
| Help Homes Ltd | Builders | HP4 1EF | 2018 |
| Hertfordshire Builders Ltd | Builders | HP4 2AF | 2022 |
| Hertfordshire Home Improvements Ltd | Builders | HP23 6BA | 2011 |
| Homes Within Reach Ltd | Builders | HP4 1EH | 2026 |
| Hough Property Solutions Ltd | Builders | HP23 5JB | 2023 |
| House of Liberty Ltd | Builders | HP4 2DJ | 2010 |
| Hri Property Services Ltd | Builders | HP23 6AF | 2015 |
| Independent Hire & Sales Ltd | Builders | HP4 1EH | 1992 |
| Independent Scaffolding Group Ltd | Builders | HP4 1EH | 2005 |
| J G Home Improvements Ltd | Builders | HP23 4ER | 2020 |
| J&S Luxury Lodges Ltd | Builders | HP23 4QU | 2026 |
| Jd Construct Ltd | Builders | HP4 3PL | 2026 |
| Jevon Homes Ltd | Builders | HP4 2DJ | 2010 |
| Jevon Homes [Burston] Ltd | Builders | HP4 2DJ | 2004 |
| Jlg Plumbing and Heating Ltd | Builders | HP4 3TF | 2020 |
| John Keen (Tring Transport) Ltd | Builders | HP23 4NB | 1975 |
| Js Stone Construction Ltd | Builders | HP4 2AF | 2022 |
| Kalm Construct Ltd | Builders | HP4 1RF | 2023 |
| Kanar Engineering Ltd | Builders | HP4 1EH | 2020 |
| Kensington Properties (Ec) Ltd | Builders | HP4 3NW | 1997 |
| Khalkedon & Co. Ltd | Builders | HP4 1EH | 2020 |
| Kth Building and Maintenance Ltd | Builders | HP23 5AL | 2016 |
| Landgreen (UK) Ltd | Builders | HP23 5TE | 2012 |
| Landgreen Construction Ltd | Builders | HP23 5TE | 2016 |
| Landgreen Plant Ltd | Builders | HP23 5TE | 2016 |
| Landlink (Stoke Mandeville) Ltd | Builders | HP4 1EF | 2021 |
| Landlink Ltd | Builders | HP4 1EF | 1982 |
| Lap Maintenance Ltd | Builders | HP23 5PX | 2021 |
| Latbuild Construction Ltd | Builders | HP23 4JX | 2020 |
| Latymer (Hillcrest) Ltd | Builders | HP4 2QF | 2024 |
| Laxton Properties (Berkhamsted) Ltd | Builders | HP4 2DT | 2025 |
| Ledburn Developments Ltd | Builders | HP23 4QS | 2018 |
| Lewis Developments (Ilmer) Ltd | Builders | HP4 1EH | 2008 |
| Loarch Construction Ltd | Builders | HP4 2LQ | 2025 |
| Lost Marble Brickwork Ltd. | Builders | HP23 5BY | 2016 |
| Lucas Signature Build Ltd | Builders | HP4 3RS | 2025 |
| Luton Environmental Ltd | Builders | HP23 5AL | 2011 |
| M Cooper Scenery Ltd | Builders | HP23 5AL | 2017 |
| M D & D A Property Development Ltd | Builders | HP23 4NQ | 2021 |
| Maher & Baxter Ltd | Builders | HP23 5AL | 2021 |
| Malachi Contractors Ltd | Builders | HP4 1EF | 2022 |
| Mansi Building & Renovations Ltd | Builders | HP23 5TE | 2014 |
| Marke Lane Associates Ltd | Builders | HP4 1LR | 2012 |
| Marsp Property Maintenance Ltd | Builders | HP23 4JX | 2020 |
| Masterfix Solutions Ltd | Builders | HP4 2AF | 2015 |
| Mb Carpentry and Building Ltd | Builders | HP23 5LA | 2015 |
| Mb Lining Ltd | Builders | HP23 5AL | 2011 |
| Mcb Farms Ltd | Builders | HP4 1AQ | 2026 |
| Mcgeough & Sons Ltd | Builders | HP23 5AL | 2013 |
| Mega Load Ltd | Builders | HP23 4QZ | 2021 |
| Mi Construction Bedford Ltd | Builders | HP23 5AL | 2020 |
| Mj Thornton Ltd | Builders | HP4 2RS | 2019 |
| Mjh Design and Build Ltd | Builders | HP4 2DJ | 2026 |
| Mk Construction and Groundwork Ltd | Builders | HP23 5AH | 2026 |
| Mkb Resin Ltd | Builders | HP23 5AL | 2025 |
| Moyvale Property Care Ltd | Builders | HP4 1EF | 2003 |
| Mp Design & Build Ltd | Builders | HP23 5AL | 2024 |
| Mpg Complete Construction Ltd. | Builders | HP23 4JY | 2012 |
| Mrmsown Ltd | Builders | HP4 2JQ | 2025 |
| Muswell Conversions Ltd | Builders | HP4 1EH | 2026 |
| Nic Construction Ltd | Builders | HP23 5AL | 2026 |
| Nick Denham Building Contractor Ltd | Builders | HP4 1EF | 2017 |
| No Wood Gets Wasted Ltd | Builders | HP23 5AL | 2024 |
| North View Homes Ltd | Builders | HP4 2AF | 2022 |
| O'Durand Property Development Ltd | Builders | HP4 3BD | 2010 |
| Oakwood Property Solutions Ltd | Builders | HP4 2PF | 2008 |
| Onsite Crane & Commercial Ltd | Builders | HP4 2DT | 2003 |
| P D L Builders Ltd | Builders | HP23 5TE | 2002 |
| Paramount Floors Ltd | Builders | HP4 2UB | 2019 |
| Paul Crane Rigging Ltd | Builders | HP4 1AA | 2019 |
| Pearse Bros Ltd | Builders | HP23 6NN | 2003 |
| Peter Johnson Management Services Ltd | Builders | HP23 5ET | 1984 |
| Phillips Build (UK) Ltd | Builders | HP23 4BB | 2003 |
| Platinum Building Services Ltd | Builders | HP4 1EF | 2025 |
| Pride Construction & Development Ltd | Builders | HP4 1EF | 2019 |
| Propart Interiors Ltd | Builders | HP23 5RZ | 2001 |
| Purajit Constructiions Ltd | Builders | HP4 3LD | 2024 |
| Quality Plasterwork & Rendering Ltd | Builders | HP4 2LJ | 2021 |
| Radley & Son Building Services Ltd | Builders | HP23 5TE | 2008 |
| Rdbs Brickwork Contractors Ltd | Builders | HP4 1EF | 2020 |
| Rdh Stucco Ltd | Builders | HP4 3SJ | 2024 |
| Reflect Projects Ltd | Builders | HP4 2AF | 2018 |
| Reflect Windows and Doors Ltd | Builders | HP4 2AF | 2024 |
| Riggledy Piggledy Solutions Ltd | Builders | HP23 5AL | 2023 |
| Riverdale Build & Construct Ltd | Builders | HP23 5AL | 2020 |
| Riverdale Stone Ltd | Builders | HP23 5AL | 2006 |
| Rmp Property Development Ltd | Builders | HP4 1HU | 2024 |
| Roc UK Properties Ltd | Builders | HP4 2AF | 2017 |