| 4 Seasons Full Installation Devision Ltd | Builders | WN4 8BS | 2019 |
| 88 Construction Ltd | Builders | WA9 3JN | 2019 |
| A & M Energy Solutions Ltd | Builders | WA11 8LY | 1973 |
| A J Building Maintenance & Refurbishment Ltd | Builders | WA11 0GQ | 2023 |
| A&M Energy Group Ltd | Builders | WA11 8LY | 2015 |
| A. & M. Insulations Ltd | Builders | WA11 8LY | 2015 |
| A.R.E.S Consultants Ltd | Builders | WN4 8AA | 2018 |
| A.W.Rail Ltd | Builders | WN4 9SL | 2014 |
| A1 Doors Ltd | Builders | WA9 1LY | 2013 |
| Acc Facade Consultancy Ltd | Builders | WN4 9SR | 2014 |
| Ad Drylining Ltd | Builders | WA9 3GR | 2021 |
| Adb Civils Ltd | Builders | WA10 2TF | 2020 |
| Aib Civil Engineering Ltd | Builders | WA9 3TQ | 2017 |
| Aim Fire Protection Services Ltd | Builders | WN4 9SL | 2026 |
| Ajbs Group Ltd | Builders | WN4 9EE | 2025 |
| Akj Build St Helens Ltd | Builders | WA10 6NE | 2025 |
| All Round Security Consultants (Northern) Ltd | Builders | WA11 9DB | 2024 |
| All Round Security Consultants Ltd | Builders | WA11 9DB | 2004 |
| Allied Lift Services Division (UK) Ltd | Builders | WA11 8PU | 2002 |
| Amalgamated Roofing and Property Services Ltd | Builders | WN4 0SU | 2025 |
| Ashcroft Construction & Design Ltd | Builders | WA10 2TF | 2026 |
| Ashcrofts Holdings Ltd | Builders | WA11 9TP | 2023 |
| Av Modern Bathrooms Ltd | Builders | WA9 1AD | 2024 |
| B O'Brien Brickwork Ltd | Builders | WA10 2TF | 2014 |
| Balanced Earth Homes Ltd | Builders | WA10 3BD | 2017 |
| Balmoral Bricklaying Ltd | Builders | WN4 0SU | 2014 |
| Banks Welding Services Ltd | Builders | WA11 0SD | 2012 |
| Barden Projects Ltd | Builders | WA10 1SX | 2007 |
| Bate Scaffolding Services Ltd | Builders | WN4 8BX | 2006 |
| Bcl Floors UK Ltd | Builders | WA9 4TR | 2023 |
| Bearmont Construction Ltd | Builders | WN4 9DA | 2018 |
| Bearmont Homes Ltd | Builders | WN4 9DA | 2017 |
| Bigwood Interiors Ltd | Builders | WN4 9UR | 2019 |
| Bottell.Com Ltd | Builders | WA10 2AY | 2018 |
| Bp Brickwork (Nw) Ltd | Builders | WA10 2TF | 2026 |
| Brookhouse Contracting Ltd | Builders | WN4 8DW | 2003 |
| Bta Home Developments Ltd | Builders | WA11 0JQ | 2020 |
| Building & Groundwork Services Ltd. | Builders | WA9 4US | 2014 |
| Butler Bathroom & Kitchen Solutions Ltd | Builders | WN4 0SU | 2012 |
| C-Probe (North America) Ltd | Builders | WA9 5AA | 2018 |
| C. E. Bettridge & Son Ltd | Builders | WA10 1LS | 2014 |
| C.R. Fishwick & Co (St Helens) Ltd | Builders | WA9 4DB | 1986 |
| Caldway Holdings Ltd | Builders | WA10 1FY | 2012 |
| Carl Sutcliffe Signs Ltd | Builders | WA10 1BZ | 2003 |
| Catalin Premium Rendering Ltd | Builders | WA9 3SB | 2025 |
| Cca Property Solutions Ltd | Builders | WN4 0SJ | 2017 |
| Ceejay Construction 82 Ltd | Builders | WA10 6AN | 2024 |
| Cfa Fitch Ltd | Builders | WA10 6SS | 2020 |
| Chimney Repairs (Nw) Ltd | Builders | WA10 6NE | 2026 |
| Chris Highcock Contracting Ltd | Builders | WA10 1SX | 2026 |
| Chris Tickle Building Ltd | Builders | WA10 2TF | 2021 |
| Cl Tunnelling Ltd | Builders | WN4 8AA | 2023 |
| Cleary Group Ltd | Builders | WA9 1PN | 2021 |
| Clockface Builders and Maintenance Ltd | Builders | WA9 4XA | 2005 |
| Collins Roofing Nw Ltd | Builders | WA9 1AH | 2025 |
| Complete Commercial Interiors Ltd | Builders | WN4 9LX | 2009 |
| Completel Brickwork & Landscaping Ltd | Builders | WA9 4NG | 2026 |
| Connelly Construction Ltd | Builders | WA9 4TR | 2013 |
| Construction Inspector Services Ltd | Builders | WN4 9TE | 2024 |
| Contact Auto Technical Services Ltd | Builders | WA9 4YR | 2003 |
| Coppice Homes Ltd | Builders | WN4 0NA | 2011 |
| Corinthian Building & Joinery Ltd | Builders | WA10 5JY | 2020 |
| Corplex Construction Ltd Ltd | Builders | WA9 5UF | 2020 |
| Cranfield Construction (Nw) Ltd | Builders | WN4 0AF | 2025 |
| Crystal Clear Home Improvements Ltd | Builders | WA10 1EN | 2025 |
| Cundliffe Fencing and Groundwork Ltd | Builders | WN4 8AA | 2022 |
| D Cole Building & Home Improvements Ltd | Builders | WA10 2TF | 2026 |
| D&A Carpenter Builders Ltd | Builders | WA10 3PN | 2023 |
| D.A.B (Design&Build) Ltd | Builders | WA9 4XQ | 2018 |
| Da Construct Ltd | Builders | WA10 3PN | 2019 |
| Dany.Ro First Class Ltd | Builders | WA9 1RB | 2024 |
| Datum Site Engineering Services Ltd | Builders | WA11 0SD | 2016 |
| Davies Brickworks Ltd | Builders | WN4 8AA | 2004 |
| Dc Groundworks (Nw) Ltd | Builders | WA10 2TF | 2022 |
| Dc Steel Construction Ltd | Builders | WA9 3RJ | 2026 |
| Dc UK Contractor Ltd | Builders | WA9 3AF | 2020 |
| Dfss Ltd | Builders | WA10 5PR | 2025 |
| Dj Construction Group Ltd | Builders | WA9 4XH | 2024 |
| Douglas Contracts Ltd | Builders | WA10 2TF | 2014 |
| Dsg Facades Ltd | Builders | WA11 0DH | 2021 |
| Dsh Homes Ltd | Builders | WA10 1SX | 2024 |
| Duor Solutions Ltd | Builders | WA9 4NU | 2019 |
| Dva Services Ltd | Builders | WA9 4BP | 2014 |
| Dwattenergy Ltd | Builders | WA10 6JB | 2025 |
| Dxi Plant Hire (Nw) Ltd | Builders | WN4 0BX | 2018 |
| E N L Building Solutions Ltd | Builders | WN4 8SE | 2026 |
| E.M.H North West Ltd | Builders | WN4 8AA | 2013 |
| Earlestown Protective Coatings Ltd | Builders | WA11 0JQ | 2015 |
| Eiger Access Solutions Ltd | Builders | WA10 1AU | 2019 |
| Elite Construction & Civils Ltd. | Builders | WA10 2TF | 2019 |
| Endurance Conservatory & Construction Solutions UK Ltd | Builders | WN4 9QN | 2025 |
| Evermast Steel Services Ltd | Builders | WA9 3DN | 2021 |
| Evolvement Group Ltd | Builders | WN4 9NH | 2022 |
| Extract-It Ltd | Builders | WA9 4TU | 2011 |
| Fairhurst Joinery Ltd | Builders | WN4 0SU | 2019 |
| Fd Ceilings & Partitions Ltd | Builders | WN4 0SU | 2016 |
| Fire Hive Mist Ltd | Builders | WN4 8BS | 2026 |
| Firescope Solutions Ltd | Builders | WA10 1SX | 2026 |
| G Palfrey & Son Ltd | Builders | WA10 1DB | 2004 |
| G&G Property Solutions Nw Ltd | Builders | WA10 1SX | 2024 |
| G&L Coldstore Construction Ltd | Builders | WA9 3PH | 2009 |
| Gablok Build Ltd | Builders | WA11 0LG | 2025 |
| Gac Interiors Ltd | Builders | WN4 9BQ | 2025 |
| Garage Doors (North West) Ltd | Builders | WA10 2TF | 2002 |
| Garden Stones Ltd | Builders | WA11 0JQ | 2023 |
| Gascon Services Ltd | Builders | WA10 1FY | 2025 |
| Gb Sealants Ltd | Builders | WA9 4NY | 2019 |
| Gd Consultants (North West) Ltd | Builders | WA10 1DB | 2023 |
| Geca Elite Properties Ltd | Builders | WA10 6LS | 2025 |
| Gemini Security Systems Ltd | Builders | WA10 1DB | 2002 |
| Gibson & Fitzpatrick Associates Ltd | Builders | WA10 1FY | 2019 |
| Gkw Holdings Ltd | Builders | WA9 4WZ | 2024 |
| Glh Project Solutions Ltd | Builders | WN4 0SU | 2022 |
| Gordon Construction (St Helens) Ltd | Builders | WA9 3TY | 2014 |
| Gordon Kitto Welding Ltd | Builders | WA9 4WZ | 1978 |
| Gp Miska Ltd | Builders | WA9 4PE | 2022 |
| Grand Developments Design & Build Ltd | Builders | WA9 1FN | 2023 |
| Grounds & Property Services Ltd | Builders | WA9 5GG | 2026 |
| Groundswork (UK) Ltd | Builders | WA10 2TF | 2020 |
| Groundview Ltd | Builders | WN4 0SP | 2025 |
| Gsi Cladding Ltd | Builders | WN4 8XW | 2024 |
| Gsl Construction Ltd | Builders | WN4 9PW | 2008 |
| Gud Builders Ltd | Builders | WA10 2TF | 2003 |
| H & H Contractors Ltd | Builders | WA10 1SX | 2020 |
| H G V Fleet Cleaning Services Ltd | Builders | WN4 9HX | 2002 |
| Harwill Homes Ltd | Builders | WA9 5QQ | 2017 |
| Hcn Projects Ltd | Builders | WA9 1UA | 2022 |
| Hef Construction Services Ltd | Builders | WA11 0JQ | 2025 |
| Hgl Homes Ltd | Builders | WN4 0LJ | 2023 |
| Hjl Construction Ltd | Builders | WA11 7BY | 2024 |
| Hobin Homes Nw Ltd | Builders | WA10 1BU | 2019 |
| Home Improvements North West Ltd | Builders | WA10 6AQ | 2006 |
| Home Maintenance (Nw) Ltd | Builders | WA9 3LE | 2020 |
| Homewarm Ltd | Builders | WA11 8LY | 2004 |
| Houghtons Brickwork Ltd | Builders | WN4 9SL | 2016 |
| Hummingbird Construction Consultancy Ltd | Builders | WA10 3JA | 2018 |
| Hurst Building & Maintenance Ltd | Builders | WN4 8EG | 2005 |
| I Home Solutions Ltd | Builders | WA9 4YS | 2019 |
| Icb Home Improvements Ltd | Builders | WA10 2TF | 2024 |
| Ieremie Contractors Ltd | Builders | WA9 2QE | 2014 |
| Infra Solutions Group Ltd | Builders | WA9 3WB | 2017 |
| Ingham Plastering Contractor Ltd | Builders | WN4 0JT | 2022 |
| Installations R Us Ltd | Builders | WA10 1FY | 2018 |
| Insulation Installations Ltd | Builders | WN4 9SX | 2025 |
| Integrated Compartment Solutions Ltd | Builders | WA10 1FZ | 2016 |
| Io Decorating Ltd | Builders | WA9 2AP | 2015 |
| J Miller Engineering Ltd | Builders | WA10 2DH | 2009 |
| J Sidlow Brickworks Ltd | Builders | WN4 8AA | 2017 |
| J.L Cladding & Windows Ltd | Builders | WA9 3UH | 2026 |
| J.W.Rigby Construction Ltd | Builders | WA10 2TF | 2026 |