| 24 Hour Construction Services Ltd | Builders | BB1 6AY | 2017 |
| 56103 Ltd | Builders | BB1 2QX | 2022 |
| A & A Developers Ltd | Builders | BB1 5HH | 2024 |
| A Jones & Sons Ltd | Builders | BB1 2LR | 2023 |
| A M Carpets and Flooring Ltd | Builders | BB1 8AF | 2021 |
| A.J.B. Construction (Nw) Ltd | Builders | BB1 5QR | 2018 |
| A2y Infrastructure Ltd | Builders | BB2 7DP | 2026 |
| Aaa Blackburn Builders Ltd | Builders | BB1 1RF | 2024 |
| Absolute Property Renovations Ltd | Builders | BB1 3NU | 2025 |
| Advance Technical Solutions Ltd | Builders | BB1 9PH | 2026 |
| Ag Construction (Nw) Ltd | Builders | BB2 6AH | 2022 |
| Ag Construction (Nw1) Ltd | Builders | BB2 6AH | 2022 |
| Ais (Nw1) Ltd | Builders | BB1 5QB | 2007 |
| Ak Building & Roofing Ltd | Builders | BB2 6JB | 2026 |
| Ak Warm Home Ltd | Builders | BB1 9SR | 2026 |
| AkesãNes Group Ltd | Builders | BB1 1RD | 2024 |
| Aldrock Renewables Ltd | Builders | BB1 2QX | 2023 |
| Alfalah Group Ltd | Builders | BB2 2EB | 2018 |
| All the Way Up Ltd | Builders | BB2 4NE | 2026 |
| All Trades (Gb) Ltd | Builders | BB1 2EQ | 2002 |
| Allandor Ltd | Builders | BB2 2HT | 2009 |
| Almari Interiors Ltd | Builders | BB1 9AF | 2020 |
| Alpine Joinery Ltd | Builders | BB2 1EH | 2023 |
| Amb Builders (Blackburn) Ltd | Builders | BB2 6SU | 2026 |
| Amk & Co Global Ltd | Builders | BB1 7EL | 2021 |
| Amk Construction Ltd | Builders | BB1 5BN | 2022 |
| Apex Building Ltd | Builders | BB1 3NY | 2025 |
| Apex Curtains Ltd | Builders | BB2 3PZ | 2024 |
| Ar Stars Ltd | Builders | BB1 9SR | 2022 |
| Arbabz Construction Ltd | Builders | BB2 3HT | 2017 |
| Arete Contracting Ltd | Builders | BB2 4AY | 2024 |
| Assist Fm Ltd | Builders | BB1 6AY | 2011 |
| Atkinson Construction (Nw) Ltd | Builders | BB2 7BX | 2013 |
| B & G Sears Ltd | Builders | BB2 4HT | 2001 |
| B Eckersley Ltd | Builders | BB1 6AY | 2008 |
| Ba (Blackburn) Constructions Ltd | Builders | BB2 2AL | 2021 |
| Barnes Mechanical Engineering Ltd | Builders | BB1 2QQ | 2013 |
| Barsby Projects Ltd | Builders | BB1 9NH | 2021 |
| Basement Waterproofing Solutions Ltd | Builders | BB1 6AY | 2018 |
| Basingstoke Buildingworks Ltd | Builders | BB1 1BB | 2018 |
| Bb Group of Properties Ltd | Builders | BB2 2TA | 2025 |
| Bgr Construction Group UK Ltd | Builders | BB1 5GB | 2026 |
| Billinge Crest Developments Ltd | Builders | BB1 8AN | 2025 |
| Blackburn Commercial Estates Ltd | Builders | BB2 6AH | 2010 |
| Blackburn Special Build Ltd | Builders | BB1 6NW | 2026 |
| Blackpool Road Construction Ltd | Builders | BB2 6PL | 2025 |
| Boby Builders Construction Ltd | Builders | BB2 6PR | 2026 |
| Bridgewater Commercial Construction Ltd | Builders | BB2 2ED | 2025 |
| Bridgewater Loans Ltd | Builders | BB1 7ED | 2017 |
| Bryan Lee Building Contractors Ltd | Builders | BB2 4NY | 2000 |
| Build N Work Ltd | Builders | BB2 2TD | 2026 |
| Bullen Construction Ltd | Builders | BB1 2EF | 2022 |
| C I Dickinson Plastering Ltd | Builders | BB2 4TN | 2003 |
| Carters Facilities Ltd. | Builders | BB2 4AJ | 2016 |
| Cb Property Care Ltd | Builders | BB1 2HB | 2026 |
| Cbs of Blackburn Ltd | Builders | BB2 5DH | 2004 |
| Cdg Security Systems Ltd | Builders | BB1 3NY | 2012 |
| Cj Hyde Ltd | Builders | BB1 3NY | 2026 |
| Cleggs Construction UK Ltd | Builders | BB1 7ED | 2022 |
| Clovelly Builders Ltd | Builders | BB1 3NY | 2003 |
| Cmm Northwest Ltd | Builders | BB2 2AX | 2013 |
| Collinge & Co Construction Ltd | Builders | BB1 8NA | 2020 |
| Complete Construction Northwest Ltd | Builders | BB1 3NY | 2018 |
| Complete Underfloor Heating Ltd | Builders | BB2 7QR | 2022 |
| Consultants & Specialist Surveyors Ltd | Builders | BB1 3NU | 2005 |
| Craig Barnes Ltd | Builders | BB2 5JH | 2005 |
| D Alston Brickwork Ltd | Builders | BB1 9EU | 2020 |
| D Wade Home Improvements Ltd | Builders | BB1 5BG | 2023 |
| Dale Builders & Civil Engineers Ltd | Builders | BB1 6AY | 2005 |
| Darwen Wall Finishers Ltd | Builders | BB2 4LF | 2015 |
| David Meyler Groundworks Ltd | Builders | BB1 5BG | 2015 |
| Diakonia Services Ltd | Builders | BB2 2DH | 2026 |
| Direct Sips Ltd | Builders | BB1 5PF | 2024 |
| Dlb Facilities Management Ltd | Builders | BB1 1QE | 2026 |
| Domcans Ltd | Builders | BB1 6AY | 2021 |
| Dream Homes Developers Ltd | Builders | BB1 8AF | 2025 |
| Dreamspace Construction Ltd | Builders | BB1 6AY | 2007 |
| Drivesafe Security UK Ltd | Builders | BB1 2RJ | 2026 |
| E Builders Ltd | Builders | BB1 7LR | 2026 |
| Eazyloft Ltd | Builders | BB1 2QY | 2026 |
| Eco Construction Northwest Ltd | Builders | BB2 3ND | 2023 |
| Eco Heating & Electric Ltd | Builders | BB1 7EU | 2023 |
| Eco4vital Ltd | Builders | BB1 3BL | 2024 |
| Elevate Property Developments (North West) Ltd | Builders | BB2 5AZ | 2025 |
| Ellis Construction Company(Swinton)Ltd | Builders | BB1 3NY | 1964 |
| Elysium Contracts Ltd | Builders | BB1 8RP | 2024 |
| Embhad Construction Ltd | Builders | BB2 2AL | 2022 |
| Envirospan Engineering Ltd | Builders | BB2 2TB | 2025 |
| Esteem New Homes Nw Ltd | Builders | BB1 2QX | 2026 |
| Euro Building Supplies Ltd | Builders | BB1 5FB | 2021 |
| Force Building Contractors Ltd | Builders | BB1 2QS | 2022 |
| Foreverfix Ltd | Builders | BB2 4QJ | 2021 |
| Four Tek Ltd | Builders | BB1 2QY | 2020 |
| Future Steps Childrens Services Ltd | Builders | BB1 6BH | 2020 |
| G G Energies Ltd | Builders | BB2 3TE | 2021 |
| Garnet Maintenance Solutions Ltd | Builders | BB1 8LB | 2026 |
| Gdg Properties Ltd | Builders | BB1 2LD | 2024 |
| Gfysmd Ltd | Builders | BB1 6LB | 2026 |
| Global Leather Ltd | Builders | BB2 7GP | 2019 |
| Grasmere Homes Ltd | Builders | BB1 6LR | 2019 |
| Green Improve Ltd | Builders | BB1 9LJ | 2023 |
| Gregson Holdings Ltd | Builders | BB2 4AY | 2025 |
| Hakkam Enterprises Ir Ltd | Builders | BB1 3HQ | 2026 |
| Hanson Construct Ltd | Builders | BB1 6AY | 2016 |
| Harpreet Singh4 Ltd | Builders | BB1 1TB | 2025 |
| Hawthorns Property Services Ltd | Builders | BB1 4BZ | 2010 |
| Hd Home Improvements (Nw) Ltd | Builders | BB2 2AL | 2025 |
| Hhizz Ltd | Builders | BB2 1UW | 2025 |
| Highlight Construction Ltd | Builders | BB1 1TG | 2021 |
| Hogan Wall Finishing Ltd | Builders | BB1 6AY | 2008 |
| Home Smart Insulation Ltd | Builders | BB2 4QR | 2025 |
| Homefix Glazing Ltd | Builders | BB2 2SN | 2026 |
| Homescape Solutions Ltd | Builders | BB1 2QJ | 2018 |
| Hws Ltd | Builders | BB1 3NY | 2002 |
| Hym Construction Ltd | Builders | BB1 1LS | 2024 |
| I Am Property Ltd | Builders | BB1 9BJ | 2025 |
| Iconstruct Solutions Ltd | Builders | BB1 8DY | 2024 |
| Ifrah Ltd | Builders | BB1 9AB | 2024 |
| Il Construction Ltd | Builders | BB2 6AE | 2017 |
| Ilievi Brothers Construction Ltd | Builders | BB1 1QB | 2026 |
| Independent Facade Solutions Ltd | Builders | BB1 6AY | 2015 |
| Insulation Direct North West Ltd | Builders | BB1 6AY | 2014 |
| Jalal Khan Renovations Ltd | Builders | BB1 8AF | 2024 |
| Jgd District Heating Ltd | Builders | BB1 2QY | 2014 |
| Jodon Construction Ltd | Builders | BB2 7EX | 2013 |
| John Wade Groundworks Ltd | Builders | BB1 6AY | 2003 |
| Jubair Developments Ltd | Builders | BB1 5HA | 2023 |
| Jwf Roofing Ltd | Builders | BB1 8JN | 2025 |
| K.S.S. (Scaffolding Sales) Ltd | Builders | BB1 3EU | 1992 |
| Kad Fitters Ltd | Builders | BB2 6SD | 2019 |
| Kenny Property Developments Ltd | Builders | BB1 5QR | 2018 |
| Keswick Developments Ltd | Builders | BB1 6LR | 2016 |
| Key'S UK Managment Ltd | Builders | BB2 1PS | 2022 |
| Khans Builders Ltd | Builders | BB1 5NN | 2017 |
| Klm Management Services Ltd | Builders | BB2 3HT | 2023 |
| Ktb Construction Ltd | Builders | BB2 7PU | 2022 |
| L.G.L. Ltd | Builders | BB2 4UA | 1997 |
| Lancashire Building Services Ltd | Builders | BB1 7EP | 2026 |
| Lancashire Roofing Systems Ltd | Builders | BB2 6AA | 2013 |
| Let'S Build Ltd | Builders | BB1 9SS | 2026 |
| Living Improvements Ltd | Builders | BB1 4DW | 2026 |
| Lnw Construction Ltd | Builders | BB2 4DY | 2026 |
| Lpc Living Ltd | Builders | BB1 6AY | 2000 |
| Luqhar Ltd | Builders | BB1 2QX | 2017 |
| M & A Facilities Management Ltd | Builders | BB1 1DH | 2023 |
| M & W Developments (Lancashire) Ltd | Builders | BB1 5QR | 2022 |
| M A Young Construction Ltd | Builders | BB1 4HA | 2012 |
| M S Tiling Italia Ltd | Builders | BB2 3PF | 2023 |
| M Schofield Construction Ltd | Builders | BB1 9BE | 1993 |
| M7j Refurbishment Ltd | Builders | BB2 1HD | 2025 |