| 1 Construct Ltd | Builders | SG9 9AG | 2024 |
| 24 Seven Interiors Ltd | Builders | SG9 9AZ | 1999 |
| A To Z Energy Solutions Ltd | Builders | SG8 5PG | 2021 |
| Acb Ltd | Builders | SG8 5UJ | 2026 |
| Accuracy Carpentry and Construction Contractors Ltd | Builders | SG8 8DB | 2019 |
| Ace Build and Landscapes Ltd | Builders | SG8 6DJ | 2025 |
| Active Design Associates Ltd | Builders | SG8 0NZ | 2001 |
| Afn Renovations Ltd | Builders | SG8 9AW | 2015 |
| Ajs Construct Ltd | Builders | SG7 6NG | 2020 |
| Allrounduk Building & Construction Ltd | Builders | SG7 5FJ | 2011 |
| Andrew Hodge Contracting Ltd | Builders | SG8 9JN | 2011 |
| Ans Technical Ltd | Builders | SG8 6DH | 2013 |
| Apex Roofing & Scaffolding Ltd | Builders | SG8 0AA | 1996 |
| Apex Shading Solutions Ltd | Builders | SG9 9EL | 2026 |
| Apollo Interiors Ltd | Builders | SG7 6QQ | 2010 |
| Apollo Property Developments Ltd | Builders | SG7 6QQ | 2015 |
| Ardent Construction Ltd | Builders | SG8 9AW | 2016 |
| Atspace Ltd | Builders | SG8 8DL | 2012 |
| Axios Big Red Ltd | Builders | SG8 9JN | 2015 |
| Bardwell Winter Ltd | Builders | SG8 9JN | 2015 |
| Bear Group Construction Ltd | Builders | SG9 9GQ | 2025 |
| Bellevalia Ltd | Builders | SG9 0ED | 2022 |
| Bigger Builds Ltd | Builders | SG9 9PA | 2026 |
| Bornad Building and Cleaning Ltd | Builders | SG8 9EB | 2013 |
| Brothers Building Solutions Ltd | Builders | SG8 9AW | 2023 |
| Bti Construction One Ltd | Builders | SG8 5LF | 2015 |
| Building Gorga Ltd | Builders | SG8 5JL | 2022 |
| Buntingford Construction Services Ltd | Builders | SG9 9SZ | 2020 |
| C B Building Services (Royston) Ltd | Builders | SG8 5JQ | 2017 |
| C Paxton Building Services Ltd | Builders | SG8 5LF | 2022 |
| C R B Property Maintenance Ltd | Builders | SG9 0ED | 1997 |
| Camprop Construction Ltd | Builders | SG8 6PZ | 2018 |
| Caroflow Ltd | Builders | SG8 9JN | 1992 |
| Carosystems Ltd | Builders | SG8 9JN | 1985 |
| Chaplin Construction Services Ltd | Builders | SG9 9FP | 2025 |
| Chapman Construction Services Ltd | Builders | SG8 9QX | 1998 |
| Charwin Construction Ltd | Builders | SG8 0SS | 2025 |
| Cherry Wood Construction Ltd | Builders | SG8 5LF | 2020 |
| Cleaning Repairs & Maintenance Ltd | Builders | SG8 7TL | 2013 |
| Complete Bricks Ltd | Builders | SG8 7AX | 2003 |
| Complete Refurbs Ltd | Builders | SG9 9DU | 2014 |
| Contract Interior Solutions Ltd | Builders | SG9 0ED | 2017 |
| Core Edge Living Ltd | Builders | SG8 7FH | 2026 |
| Cranville Builders Ltd | Builders | SG9 0ED | 2017 |
| Crowngate Construction Ltd | Builders | SG9 9NX | 2026 |
| D & C Ceramics Ltd | Builders | SG8 6LQ | 2020 |
| D&D Properties and Maintenance Ltd | Builders | SG8 0SS | 2024 |
| David Bray Construction Ltd | Builders | SG8 6DN | 2018 |
| Dayz Off Maintenance Ltd | Builders | SG9 9AN | 2025 |
| Djt Building Services Ltd | Builders | SG8 5EG | 2026 |
| Drift Contract Services Ltd | Builders | SG9 0QU | 2016 |
| Drury & Gard Brickwork Ltd | Builders | SG8 7BX | 2011 |
| Eaton Hamry Consultants Ltd | Builders | SG8 7BP | 2017 |
| Eden Special Works Ltd | Builders | SG7 6AQ | 2018 |
| Ehs Developments Ltd | Builders | SG8 9AW | 2025 |
| Emerald Property Partners Ltd | Builders | SG8 5UH | 2023 |
| Emery Events Ltd | Builders | SG9 9EB | 2021 |
| Endcliffe Building and Renovations Ltd | Builders | SG8 5LF | 2024 |
| Essex Sealants Ltd | Builders | SG8 5AB | 2015 |
| Evans & Wheeler Developments Ltd | Builders | SG9 0ED | 2015 |
| Evolving Spaces Ltd | Builders | SG9 9AZ | 2022 |
| Ez.Pz Works Ltd | Builders | SG7 6QQ | 2026 |
| Ezacon Brickwork Ltd | Builders | SG8 7EF | 2026 |
| F & R Decorators Ltd | Builders | SG8 9JL | 2016 |
| Fallon Maintenance Ltd | Builders | SG8 5QE | 2018 |
| Flr Decor & Maintenance Ltd | Builders | SG8 5SU | 2025 |
| Foy Fabrications Ltd | Builders | SG9 0ED | 2014 |
| G D Building and Maintenance Services Ltd | Builders | SG7 6RT | 2016 |
| G&H Contracting Ltd | Builders | SG9 9DX | 2019 |
| G.M. Briton (Public Works) Ltd | Builders | SG8 0EP | 1979 |
| G.S.W Building Ltd | Builders | SG8 9FW | 2019 |
| Gentle Property & Construction Ltd | Builders | SG7 5DX | 2024 |
| Geoghegan Bros. Ltd | Builders | SG7 6QQ | 1973 |
| Gess Home Improvements Ltd | Builders | SG8 7BX | 2014 |
| Gess Renewables Ltd | Builders | SG8 7BX | 2013 |
| Gmj Solutions Ltd | Builders | SG7 6NE | 2026 |
| Godfrey & Hicks Builders Ltd | Builders | SG8 9JN | 1998 |
| Goldhawke Construction Ltd | Builders | SG8 7BX | 2006 |
| Goodwin Campling Ltd. | Builders | SG8 5DR | 2014 |
| Green Eco Solar Solutions Ltd | Builders | SG8 7BX | 2012 |
| Greenstone Refrigeration Services Ltd | Builders | SG8 9JN | 1999 |
| Groundtrax Systems Ltd | Builders | SG8 5HW | 2011 |
| Groves Consultancy Ltd | Builders | SG9 9RY | 2024 |
| Gs4 Interiors Ltd | Builders | SG8 5LF | 2011 |
| Hamry Construction Consultants Ltd | Builders | SG8 7BP | 2010 |
| Hare Construction Ltd | Builders | SG9 0DY | 2026 |
| Harman Construction Ltd | Builders | SG9 9SZ | 2009 |
| Harrison Construction & Property Services Ltd | Builders | SG8 5UT | 2026 |
| Hertfordshire Roofing Ltd | Builders | SG7 6QQ | 2007 |
| Herts & Cambs Woodburners Ltd | Builders | SG8 8DB | 2024 |
| Hill View Building Ltd | Builders | SG8 0BH | 2024 |
| Historic Restoration London Ltd | Builders | SG8 5PG | 2022 |
| Hppo Ltd | Builders | SG8 7PR | 2026 |
| Hsdw Ltd | Builders | SG7 5JX | 2024 |
| Huckleberry Property Ltd | Builders | SG8 0SS | 2020 |
| Hutsul Craft Ltd | Builders | SG8 5JW | 2024 |
| Hx2 Group Ltd | Builders | SG9 9TW | 2023 |
| Inaspace Rooms Ltd | Builders | SG8 5HN | 2022 |
| Innovativehse Ltd | Builders | SG8 5EX | 2017 |
| Interglow (Contracts) Ltd | Builders | SG8 7TQ | 1986 |
| Iverley Properties Ltd | Builders | SG7 6DD | 1999 |
| Jamila Consultancy Services Ltd | Builders | SG8 7BX | 2021 |
| Jc Build Construction Ltd | Builders | SG8 5TB | 2026 |
| Jc Majestic Property'S Ltd | Builders | SG8 7JX | 2025 |
| Jcm Brickwork and Landscaping Ltd | Builders | SG8 5LF | 2023 |
| Jjs Building Contractors Ltd | Builders | SG9 9GQ | 2023 |
| Jones Brothers Construction Ltd | Builders | SG8 6JB | 2019 |
| K B Marketing Services Ltd | Builders | SG8 9AW | 2008 |
| K N R Sign Installations Ltd | Builders | SG9 9GR | 2006 |
| Kelly Brothers Construction Ltd | Builders | SG9 0ED | 2001 |
| Kelshall Plot 1 Ltd | Builders | SG8 8DL | 2024 |
| Kitchens Ltd | Builders | SG8 9JN | 1969 |
| Kiteley Construction Ltd | Builders | SG7 5DT | 2025 |
| Kpc Building Services Ltd | Builders | SG8 5LF | 2013 |
| L & H Carpentry Ltd | Builders | SG8 5LF | 2007 |
| L A Associates Ltd | Builders | SG8 5UP | 2019 |
| Lambert Constructions (Cambridge) Ltd | Builders | SG8 5UU | 1967 |
| Landmark Restoration Ltd | Builders | SG8 8QN | 2003 |
| Lane & Skillen Ltd | Builders | SG8 9JN | 2008 |
| Lawrence Thorogood Ltd | Builders | SG7 6QU | 2023 |
| Layston Construction Ltd | Builders | SG8 5JT | 2012 |
| Lce Construction Services Ltd | Builders | SG8 9XP | 2024 |
| Ld & C Homes Ltd | Builders | SG8 9AW | 2026 |
| Lee & Sibley Construction and Development Ltd | Builders | SG9 9QR | 1994 |
| Lee Sharman Fencing Ltd | Builders | SG7 6HB | 2005 |
| Leeside Project Management Ltd | Builders | SG9 9JN | 2018 |
| Leviathan Developments Ltd. | Builders | SG8 0SS | 2013 |
| Lgd Farming Ltd | Builders | SG8 9JN | 1998 |
| Lpp Construction Services Ltd | Builders | SG7 5JG | 2014 |
| Lyons Building Company Ltd | Builders | SG9 0ED | 1997 |
| M & A Dryliners Ltd | Builders | SG8 5ES | 1989 |
| M & F Gray Developments Ltd | Builders | SG9 0ED | 1985 |
| M D Watson Ltd | Builders | SG9 0ED | 2003 |
| M Groundworks Ltd | Builders | SG8 5LF | 2018 |
| Maple Tree Baldock Ltd | Builders | SG7 6NU | 2019 |
| Marchant Builders Ltd | Builders | SG8 0SS | 2019 |
| Mark Winter Property Developers Ltd | Builders | SG8 9JN | 2001 |
| Marlie Builders Ltd | Builders | SG8 7BX | 2020 |
| Mental Health Support & More Ltd | Builders | SG7 5LZ | 2011 |
| Meraki Renovations Ltd | Builders | SG8 7BX | 2021 |
| Mjl Developments Ltd | Builders | SG8 7JU | 1970 |
| Ms Tiling Ltd | Builders | SG8 5PW | 2022 |
| Mws Renovations Ltd | Builders | SG8 9DR | 2022 |
| Newgate Civil Engineering Ltd | Builders | SG8 8DU | 2021 |
| Nstoner Zervices Ltd | Builders | SG8 6HX | 2025 |
| Nu Homes (Cambridge) Ltd | Builders | SG8 5LF | 2020 |
| Odsey Properties Ltd | Builders | SG7 6SD | 1987 |
| On Point Carpentry and Joinery Ltd | Builders | SG8 6EY | 2018 |
| P R Build (Tempsford) Ltd | Builders | SG8 0SS | 2025 |
| Paul and Page Ltd | Builders | SG8 8DL | 2015 |