Main contractors in the UK

20692 UK companies working as main contractors.

• G Grimshaw Building & Renovations Coventry · Loft conversions · 1-9 employees

  Grimshaw Building & Renovations are specialists in extensions and loft conversions. Contact us for enquiries.

• G Grm Energy Ltd Watford · Solar PV · 10-49 employees

  GRM Energy LTD tackles fuel poverty through renewable energy, offering Solar PV, air source heat pumps, and 100% government-funded upgrades for homes

• G GRM Infra Watford · Solar PV

  GRM Infra specialises in utility-scale solar, battery energy storage, and wind farm infrastructure. They offer EPC and construction services globally.

• G Grn Contracts Ltd Dungannon · Steel fabrication

  GRN Contracts Ltd specialises in supplying and erecting bespoke steel buildings, including cold-rolled galvanised frames and structural steel frames f

• G Grocott & Murfit Ltd Fakenham · Main contractor · 10-49 employees

  Norfolk Heritage & Sustainable Builders, Grocott & Murfit. Award-winning building projects from new builds to renovations.

• G Grocott Developments (Higher Heath) Ltd Prees · Property developer · 1-9 employees

  The Grocott Group is a diverse portfolio of businesses including property development, portable buildings hire, self storage, coffee, and a marina. Wi

• G Groom Property Maintenance Ltd Cross Hands · Refurbishment · 10-49 employees

  Over 30 years of experience providing property maintenance needs across South Wales, South East and the South West of England.

• G Grosvenor Construction Ltd Rhyl · Restoration & heritage · 10-49 employees

  Multi award-winning construction company specialising in historic built environment and new build projects across the UK. Committed to quality craftsm

• G Grosvenor Extensions Ltd London · Extensions

  Grosvenor Extensions Ltd specialises in high-quality construction services including home extensions, loft conversions, and renovations in Epsom, Engl

• G Grosvenor Windows & Doors Ltd Chorley · Windows & doors

  Manufacturers and installers of uPVC windows, doors, conservatories, and orangeries for domestic and commercial markets across Bolton and the North We

• G Ground Construction Welwyn Garden City · Groundworks · 50-249 employees

  Integrated Construction Excellence since 1997. Top groundworks and concrete frame specialists.

• G Ground Developments Ltd Bathgate · Groundworks · 10-49 employees

  Ground Developments Ltd is a leading UK ground engineering contractor specialising in ground improvement techniques like soil modification, deep soil

• G Ground Force Driveways & Landscaping Ltd Cardiff · Driveways & paving

  Driveways Cardiff, specialists in resin driveways, block paving, tarmac. Patio specialists, free surveys & quotes. 25yrs 5* service.

• G Ground Force Piling Ltd London · Piling

  We believe that every successful structure begins with a strong foundation. Our team of specialists delivers piling solutions that are safe, durable,

• G Ground Masters Scotland Ltd Aberdeen · Fencing · 10-49 employees

  Ground Masters Scotland Ltd specialises in groundworks and fencing, offering professional construction services throughout Scotland and the UK.

• G Ground Ready Ltd Chichester · Groundworks

  Ground Ready Limited specialises in high-quality groundworks and road construction services across the South. We ensure sites are properly prepared fo

• G Ground Stabilisation Solutions Ltd Liskeard · Civil engineering · 1-9 employees

  Ground Stabilisation Solutions (GSS) in Cornwall are leaders in groundworks and civil engineering in the South West. With over 40 years of expertise,

• G Ground Structures Ltd Faversham · Groundworks · 1-9 employees

  Groundwork and civil engineering specialists with over 15 years of experience. Offering foundations, slabs, drainage, landscaping, and road constructi

• G Ground Up Builders Ltd Leicester · Refurbishment · 1-9 employees

  Leicester Building Services, Bricklayers Leicestershire - Landscaping Contractor Leicester, Property Alteration Leicester, Repointing Specialists Leic

• G Ground Utilities Ltd Cambridge · Civil engineering · 10-49 employees

  Ground Utilities Ltd is a leading multi-utility and civil engineering contractor based in Cambridge, UK. With over 30 years of experience, we provide

• G Ground2roof Construction Ltd Redhill · Loft conversions

  Ground2Roof Construction Ltd offers premium construction and renovation services in Redhill & Surrey, specializing in loft conversions, house extensio

• G Groundco Ltd Milford · Groundworks · 1-9 employees

  GroundCo is a construction company offering a wide range of services including groundworks, civil engineering, concrete structures, landscaping, demol

• G Groundshire Ltd Durham · Groundworks · 10-49 employees

  Groundshire Limited are specialists in the treatment of mine workings and mine entries, providing solutions for ground stabilisation on land at risk o

• G Groundtech Contracts Ltd Colne · Groundworks · 1-9 employees

  Groundtech Contracts Limited is a groundwork specialist with over 10 years of experience, offering services from hard landscaping to foundations and p

• G Groundwork & Building Solutions Ltd. Canterbury · Groundworks · 1-9 employees

  Groundwork & Building Solutions offers diverse residential and commercial construction solutions including groundworks, driveways, patios, extensions,

• G Groundwork & Leisure Services Ltd Wrexham · Groundworks · 1-9 employees

  Groundwork and Leisure Services Ltd (GLS) specialises in the supply and installation of playground and sports surfacing, and ancillary equipment for p

• G Groundwork Direct Ltd Burnley · Civil engineering · 10-49 employees

  Groundwork Direct Limited, established in 2005, is a reputable civil engineering and groundwork contractor serving public and private sectors across L

• G Groundwork Services Durham (Ltd) Durham · Civil engineering · 50-249 employees

  Leading civil engineering and groundwork services company based in County Durham, operating across the UK with over 30 years of experience.

• G Group Lk Ltd Bexley · Refurbishment · 10-49 employees

  Group LK is a building and construction company established in 1995, specialising in extensions, loft conversions, and refurbishments for commercial a

• G Group OPUS Holmfirth · Refurbishment

  Group OPUS offers a comprehensive range of home improvement and maintenance services by qualified building contractors in Huddersfield, focusing on cr

• G Groupbridge Ltd Bury St Edmunds · Civil engineering

  Groupbridge are Specialist Civil Engineering and Building Contractors working in the Public and Private Sector for clients across East Anglia and the

• G Grouppib London · Electrical · 1-9 employees

  Grouppib offers a comprehensive range of construction and emergency services, including plumbing, electrical work, and crane hire, operating 24/7 to m

• G Grove Construct Ltd London · Refurbishment · 1-9 employees

  Grove Construct is a leading force in high-end residential development and refurbishment, specialising in complex city centre projects.

• G Grove Construction (London) Ltd Maidenhead · Design & build

  Grove Construction delivers 1,000+ residential units in London & South East. Specialising in Design & Build, commercial construction, and permitted de

• G Grove Electrical Services Ltd Dungannon · Electrical

  Grove Electrical and Mechanical Services provide complete design, build, project management and installation of electrical and mechanical services for

• G Grover Building Services Ltd Farnham · Refurbishment · 1-9 employees

  For high-quality building services that you can rely on, choose the professional team at Grover Building Services, based in Hampshire and Surrey. Call

• G Groves Builders Ltd Daventry · House builder · 1-9 employees

  Family-owned Groves Builders specialises in luxury bespoke homes and barn conversions across Northamptonshire, Warwickshire & Oxfordshire.

• G GRP Demolition & Asbestos Ltd Bedale · Demolition · 1-9 employees

  GRP Demolition & Asbestos Ltd is a licensed contractor with over 30 years of experience in demolition, refurbishment, and asbestos removal, operating

• G Grr Construction Ltd London · Property developer

  GRR Construction Ltd is a construction company based in London.

• G GRR Roofing Greenock · Roofing

  Trusted roofers in Greenock for new roofs, repairs, and PVC fascias, soffits, and gutters. Serving homes and businesses across Inverclyde and West Sco

• G Grs Northeast Ltd Durham · Groundworks · 10-49 employees

  GRS Northeast Ltd: Commercial groundwork contractors and landscapers based in Stanley, North East. Established 2021, we offer driveways, patios, drain

• G Grupo Eigra London · Design & build

  Efficient, competitive, and high-quality industrial services, improving processes to deliver lasting solutions worldwide. Specializing in project exec

• G Grw Property Ltd Hereford · Extensions · 1-9 employees

  GRW Property offers high-quality construction services for house extensions, new builds, and renovations in Herefordshire. We provide a personal, frie

• G GS Building Solutions Lanarkshire · Refurbishment

  Professional building, renovation, electrical, plumbing and joinery services across Scotland since 2012. Quality workmanship guaranteed.

• G GS Commercial Feltham · Fit-out & interiors · 1-9 employees

  GS Commercial is a London-based construction company with over 15 years of experience delivering exceptional commercial building services, including o

• G Gs Construction & Design Ltd Welwyn Garden City · Main contractor · 1-9 employees

  GS Construction & Design Ltd: London-based specialists in high-end architectural engineering, precision development, and bespoke building services for

• G Gs Construction Group Ltd Loughton · Refurbishment · 1-9 employees

  Dynamic construction company with 5 years of experience delivering high-quality residential and commercial projects. Specialising in refurbishments, e

• G Gs Renovation Ltd Potters Bar · Refurbishment

  London structural specialists: RSJ & steel beam installation, load-bearing wall & chimney breast removal, extensions, kitchen & bathroom renovations.

• G Gsd Construction London Ltd London · Refurbishment

  GSD Construction is a trusted London-based construction and renovation company specialising in high-quality residential and commercial projects. With

• G Gsg Developments Ltd Birmingham · Design & build · 1-9 employees

  GSG Developments is a leading design and build company specialising in house extensions, loft conversions, kitchen and bathroom renovations, and full