Main contractors in the UK

20744 UK companies working as main contractors.

• A Advanced Utilities Ltd Bury · Utilities

  Advanced Utilities is a leading UK multi-utility and civil engineering contractor specialising in mains water, electricity, gas, and district heating

• A Advancedni Ltd Bangor · Refurbishment

  Advanced NI are conservatory roof conversion specialists in Northern Ireland along with an extensive range of windows and doors in a wide range of mat

• A Advantage Roofing And Building Ltd London · Roofing

  Reliable roofing and building services across Kent & London. Local team offering quality results, fair pricing, and friendly service.

• A Advent Developments Ltd Middlesbrough · House builder

  Award-winning developers creating exceptional quality, thoughtfully designed homes with character, often regenerating historic buildings to create uni

• A Advi Construction Ltd London · Refurbishment

  London's premier renovation specialist. We deliver luxury house extensions, basement conversions, and complete property refurbishments.

• A Advik Ltd Romford · Design & build · 1-9 employees

  ADVIK LTD offers a complete design and build service, undertaking all clerical works from drawings to utility communications and the build itself. The

• A Adw Construction Ltd Great Yarmouth · Plastering · 1-9 employees

  ADW Construction LTD in the UK turns your vision into reality with expert precision. From grand projects to small details, we exceed expectations and

• A Ady Construction Services Ltd Stanmore · Main contractor

  ADY Construction Services Ltd offers comprehensive building and construction solutions for residential and commercial clients across the UK, with over

• A Adz Construction Ltd London · Main contractor · 1-9 employees

  ADZ Construction Ltd - Trusted building professionals delivering exceptional construction and renovation results across London & Sussex.

• A AE & AT Lewis Holyhead · Civil engineering · 10-49 employees

  AE & AT Lewis Ltd, established in 1990, offers septic tank services, groundworks, plant hire, highway and ground maintenance, and drainage solutions a

• A AE Faulks Ltd Melton Mowbray · Plant hire · 10-49 employees

  AE Faulks Ltd is a leading plant hire and haulage company servicing the building and construction industries throughout the West Midlands and East Mid

• A AE4 Build London · Refurbishment

  Five-star London builders specialising in renovations, extensions & loft conversions. AE4Build guarantees to finish your build on time and stay on sit

• A Aed Contracting Ltd London · Main contractor

  AED Contracting LTD provides expert building and construction services across London. Over 20 years experience. Free quotes, quality workmanship.

• A Aedificium Conservation Ltd Swanage · Restoration & heritage · 1-9 employees

  Aedificium Conservation specialises in the sensitive conservation and architectural restoration of historic buildings and heritage projects.

• A Aedis Construction Ltd Ingatestone · Demolition

  A leading construction company specialising in new builds, refurbishments, and the transformation of commercial units into functional spaces.

• A Aeg Construction Ltd Derby · Insulation

  Discover energy efficient installations from loft insulation to external wall insulation. Expert PAS2035 retrofit services and Warm Homes Local Grant

• A Aegis Property Care Ltd Edinburgh · Damp proofing

  Aegis Property Care Ltd provides reliable property maintenance and building services for clients across Edinburgh, specializing in building preservati

• A Aei Electrical Services Ltd Stoke-On-Trent · Electrical · 10-49 employees

  AEI Electrical Services Ltd are Nationwide Electrical Engineers & Contractors, based in Stoke-on-Trent covering the surrounding areas and nationwide C

• A AEL Environmental Specialists Antrim · Asbestos removal · 1-9 employees

  AEL Environmental Specialists provide licensed asbestos removal, demolition, and environmental services across Northern Ireland. Fully licensed and ac

• A Aequus Group Bath · House builder

  At Aequus, creating beautiful contemporary homes is our passion. Every project is undertaken with care, and overseen by our own dedicated experts.

• A Af Build Ltd London · Design & build

  AF Build is a London-based construction company with a decade of experience in building beautiful homes, extensions, and commercial spaces. They offer

• A Af Building & Decorating Ltd London · Painting & decorating

  AF Building & Decorating Ltd offers professional building and decorating services in Lewisham and the London area. We provide expert, friendly service

• A Affleck Property Services London · Design & build

  Design and construction company in London offering renovation, plumbing, electrical, and maintenance services for homes and businesses. Affleck provid

• A Affordable Builders Ltd. Spalding · Extensions

  Trusted builders in Spalding, Peterborough, Boston and Bourne. Specialists in brickwork, driveways, patios, fencing, house extensions, kitchens and ca

• A AFFORDABLE LOFT SOLUTIONS Pudsey · Loft conversions

  Affordable Loft Solutions are experts in loft and attic conversions, offering high-quality, affordable services across Yorkshire. With over 12 years o

• A AFFY LTD Borehamwood · Refurbishment

  Affy Ltd specialises in comprehensive house renovation and interior design services across the UK, committed to creating beautiful and durable living

• A Afg Builders Ltd London · Refurbishment · 1-9 employees

  Bespoke property solutions for London's most discerning homeowners since 2010. Quality craftsmanship that stands the test of time.

• A AFL Construction London · Main contractor · 1-9 employees

  AFL Construction is a London-based building company established in 2011, specializing in home improvements, alterations, conversions, and extensions.

• A Afm Property Maintenance (Tayside) Ltd. Dundee · Kitchen fitting

  AFM Property Maintenance (Tayside) Ltd offers premium joinery and property maintenance services in Dundee and surrounding areas, transforming spaces w

• A Afraa Ltd London · Property developer · 1-9 employees

  Afraa offers expert advice, design, and construction services for residential and commercial property investments in London, focusing on creating eye-

• A Aftercare Home Improvement Enfield · Roofing

  Aftercare Home Improvement offers expert roofing, brickwork, and patio services across London. We provide reliable repairs, maintenance, and installat

• A Ag Building Ltd Chesterfield · Refurbishment

  Expert property developers and builders in Sheffield & Derbyshire. AG Building offers property maintenance, repairs, extensions, and home renovations

• A Ag Cordero Ltd Shrewsbury · Civil engineering

  AG Cordero LTD is a construction project management and site engineering company, offering tailored solutions with a commitment to excellence, innovat

• A Ag Driveways Ltd Maidstone · Groundworks

  AG Driveways is a family-run company in Maidstone, Kent, specialising in groundwork, driveways, patios, and hard surface cleaning. They offer design,

• A Ag Partners Ltd Sydenham · Refurbishment · 1-9 employees

  AG Partners LTD offers premium & high-end construction services including home renovation, extensions, loft conversions, kitchen and bathroom fitting,

• A AG Wilson Civil Engineering Craigavon · Civil engineering

  A.G.Wilson Limited provide a comprehensive range of professional civil engineering services to both private and public sectors. Over 40 years experien

• A Ag47 Energy Services Ltd Reading · M&E contracting

  Installation of Smart Building Energy Management Systems for new-build projects, site expansions and retrofits across London. Experienced BMS Contract

• A Aga Builders Ltd Slough · Loft conversions

  AGA Builders specializes in premium construction services including loft conversions, home extensions, new builds, and commercial fit-outs, delivering

• A Aga Heritage Conservation Ltd Cardiff · Restoration & heritage

  AGA Heritage Conservation is a UK specialist in building conservation, heritage restoration, and historic property repair, combining traditional skill

• A Agamm Ltd Gateshead · Main contractor · 1-9 employees

  Agamm Ltd offers professional construction expertise and reliable workforce supply for projects of all sizes, committed to quality, safety, and custom

• A Aganto Crewe · Modular & offsite construction

  UK experts in temporary buildings & structures for sale and hire. Fast, flexible, and robust solutions for warehouses, canopies, workshops, and more n

• A AGAVE Interiors Ltd London · Kitchen fitting

  Building kitchen bathrooms carpentry plumbing electrical works. Agave Interiors based in Putney, Richmond, Fulham.

• A Agc Infracon Pvt Ltd Chelmsford · Main contractor

  AGC Infracon Pvt. Ltd. is a distinguished Class 1+ government contractor undertaking diverse government projects, delivering quality infrastructure so

• A Age Care Pro Chesterfield · Bathroom fitting · 10-49 employees

  Age Care Pro designs and installs accessible bathrooms, wet rooms and adaptations in England and Wales for care homes, local councils and care profess

• A Agecourt Ltd Harpenden · Main contractor · 1-9 employees

  Agecourt Limited is a UK construction company specializing in high-quality domestic building services. Committed to precision, customer satisfaction,

• A Agenvo Bromley · Fit-out & interiors · 1-9 employees

  Agenvo specialises in bespoke media walls and entertainment centres, transforming living spaces for relaxation and social gatherings. They focus on cu

• A AGEV London · Main contractor · 1-9 employees

  Expert construction, plumbing, and painting services for residential and commercial properties. High-quality workmanship, accurate quotes, no hidden f

• A Agf Fencing & Carpentry Ltd Bournemouth · Fencing · 1-9 employees

  AGF Fencing & Carpentry Ltd: Bournemouth's trusted fencing and carpentry contractor. With 22 years' experience, we deliver exceptional craftsmanship f

• A Agg Builders Ltd Edinburgh · Extensions · 1-9 employees

  AGG Builders Ltd is a leading construction and development company with over 15 years of experience, committed to quality, innovative design, and expe

• A AGIAZI BROS LTD Luton · Driveways & paving · 1-9 employees

  Professional outdoor construction and renovation services in Luton, including patios, fencing, commercial builds, and upgrades. Transform your space w