Main contractors in the UK

20744 UK companies working as main contractors.

• 3 360 Commercial Projects Ltd Melton Mowbray · Design & build

  Expert design and fit-out solutions for high-quality commercial interiors by 360 Commercial. We design & build great workplaces.

• 3 360 DEGREE RENOVATIONS Wallington · Loft conversions · 1-9 employees

  360 Degree Renovations offers a comprehensive range of building services including loft conversions, house extensions, kitchen and bathroom fitting, a

• 3 360 Design & Build Ltd Abergavenny · Design & build · 1-9 employees

  360 Design & Build Ltd offers a complete interior and exterior design & build service tailored to meet each client's needs, style and budget.

• 3 360 Living Ltd Amersham · Main contractor · 1-9 employees

  360 Living is a bespoke construction company specialising in new build developments and luxury home renovations including listed buildings and heritag

• 3 360 Response Ltd Godstone · Main contractor

  360 Response Ltd is a specialist building contractor serving the insurance sector, providing expert home insurance repairs and property restoration se

• 3 364 Contractors Chatham · Groundworks

  364 Contractors are specialists in groundworks and CCTV installation for domestic, commercial, and construction sites. With over 30 years of experienc

• 3 365 Building Ltd London · Carpentry & joinery

  365 Building Ltd offers reliable carpentry, plumbing, and roofing solutions in London. Specializing in bespoke furniture, custom cabinetry, and expert

• 3 365 Building Solutions Ltd London · Design & build · 1-9 employees

  365 Building Solutions is a construction and project management company offering high-quality residential and commercial projects in North West London

• 3 365 PM Limited Skelmersdale · Refurbishment

  365 PM Limited offers commercial cleaning, property maintenance, and landscaping services for pubs, bars, clubs, restaurants, and leisure venues. With

• 3 3a Roofing Ltd Ipswich · Restoration & heritage

  3A Roofing Ltd is a family-owned roofing company based in Copdock, near Ipswich, Suffolk, established in 2003. Specialising in Heritage, Listed, and E

• 3 3ace Contractors (UK) Ltd London · Main contractor · 1-9 employees

  3ACE is a Principal Contractor delivering exceptional construction projects with professionalism, precision and integrity. We manage every aspect of t

• 3 3d Building Home Ltd London · Main contractor

  3D Building Home is a family-run building and construction business operating in London and surrounding areas, evolving from decorative works to full-

• 3 3D Constraction LLC Bolton · Main contractor · 1-9 employees

  3D Construction LLC is a fast-growing construction group in the UAE, specializing in turnkey solutions across construction, MEP, carpentry, aluminium,

• 3 3d Design & Build Ltd Tadworth · Design & build

  3D Design & Build are expert builders serving Merton, Wimbledon, Kingston & Richmond. Specialists in house extensions, loft conversions, and new build

• 3 3elements Construction Ltd Doncaster · Extensions · 1-9 employees

  Three trades, one team. Home extensions, conversions and renovations in the Doncaster area, commercial remedial works, and heating and air conditionin

• 3 3G's Civils LTD Coventry · Civil engineering

  3G's Civils LTD offers expert groundworks and civil engineering services. Established in 2023 with over 40 years of combined experience, we pride ours

• 3 3k Casa Ltd London · Refurbishment · 1-9 employees

  3K Casa LTD are leading property renovation & refurbishment experts in London, specialising in house renovations, extensions, loft conversions, and ba

• 3 3m Contracts Ltd Motherwell · Refurbishment

  3M Contracts is a building and refurbishment contractor delivering comprehensive solutions including strip-out works, alterations, and full internal f

• 3 3t Restoration Ltd Yeovil · Damp proofing

  3T Restoration Ltd is a nationwide specialist damp proofing, home buyer damp surveys, structural drying and property restoration company. From single-

• 4 4 Crosses Construction Ltd Menai Bridge · Civil engineering · 10-49 employees

  Privately owned company based in Menai Bridge, providing civil engineering and building services throughout North Wales and the North West.

• 4 4 More Space Rotherham · Modular & offsite construction

  Suppliers of new & refurbished modular and portable buildings, offering a full turn-key solution with over 20 years of experience nationwide.

• 4 4 Oaks Group Ltd Shenstone · Main contractor

  4 Oaks Group specialises in Emergency Reactive Services, Roofing, and Commercial Construction across the UK. With over 20 years of experience, they of

• 4 4 Pillars Construction Ltd Gloucester · Bricklaying · 1-9 employees

  Local builder and bricklayer based in Gloucester offering a competitive and reliable service for all your building needs. We provide a hassle-free con

• 4 4 Season Roofing Ltd Cobham · Roofing

  4 Season Roofing Ltd are specialists in a variety of roofing services for residential and commercial projects across Surrey, London and the South of E

• 4 4 Seasons Cheshire Ltd Congleton · Roofing

  Expert home improvement services including roofing repairs, UPVC windows, driveway improvements, and more.

• 4 4 Tech Solutions Ltd Ashtead · Refurbishment · 1-9 employees

  London-based construction company offering contemporary, period, and heritage services. Dedicated to quality and bringing client visions to life.

• 4 4 Woods Ystradgynlais · Carpentry & joinery

  Trusted carpentry and building services in Swansea and South Wales. 4 Woods Carpentry & Construction delivers expert door fitting, flooring, refurbish

• 4 47arch Design And Build Ltd Birmingham · Design & build

  47 Arch Design and Build Ltd specialises in transforming spaces with expertise in extensions, loft conversions, and new builds, guiding clients from c

• 4 4base Construction Ltd Southall · Design & build

  4BASE CONSTRUCTION LTD offers a range of services from cosmetic enhancements to design and installation, handling complex and routine projects with pr

• 4 4CM Liverpool · Fit-out & interiors

  4CM is a construction management partner for commercial property owners, landlords, and operators. We plan and deliver works with minimal disruption,

• 4 4Front Construction Blisworth · Refurbishment · 10-49 employees

  4Front Construction is an established professional construction company specialising in domestic & commercial building services, based in Northamptons

• 4 4g Building Projects Ltd Wetherby · Extensions

  House extensions and loft conversions built across West and North Yorkshire. Clear quotations, managed builds and high-quality workmanship from a trus

• 4 4h Construction & Consultancy Ltd Nottingham · Extensions · 1-9 employees

  Professional construction & consultancy services in Nottingham. Extensions, renovations, plumbing, electrical and home maintenance across Nottinghamsh

• 4 4hk Builders Ltd Oxford · Main contractor · 1-9 employees

  Builders in Oxford offering new builds, refurbishments, loft conversions, and extensions. We provide professional and reliable construction services w

• 4 4i Mechanical Services Ltd Bury St. Edmunds · M&E contracting

  4i Mechanical Services is a trusted commercial M&E contractor, delivering building services engineering, HVAC & industrial mechanical services across

• 4 4M Group London · Design & build · 1-9 employees

  4M Group is an award-winning London-based design/build architectural practice offering a holistic approach from conception to completion.

• 4 4principles Construction Ltd Ipswich · Bathroom fitting · 1-9 employees

  Family run business specializing in various types of disabled adaptions including wetrooms and access alterations.

• 4 4s Builders Ltd Coventry · Refurbishment · 1-9 employees

  4S Builders LTD is a construction company based in Coventry, offering a wide range of building services including refurbishments, extensions, roofing,

• 4 4tradesmen Ltd Fawkham · Main contractor · 1-9 employees

  24-hour property maintenance specialist. Residential and commercial building and maintenance 'one stop shop' providing high standards of workmanship w

• 4 4tronic Ltd. London · Electrical

  4Tronic Ltd provides industrial electrical solutions, including electrical installation, control panels, automation, maintenance and engineering servi

• 5 5 Point Christchurch · Refurbishment

  5 Point Group offers comprehensive property management services including repairs, renovations, and maintenance. They aim to simplify property care wi

• 5 5 Star Roofing - Stoke On Trent Ltd Stoke-On-Trent · Roofing

  5 Star Roofing - Stoke on Trent Ltd offers top-tier roofing solutions including repairs, installations, and inspections. Your satisfaction is our prio

• 5 5 Star Windows & Conservatories Kidderminster · Windows & doors · 10-49 employees

  5 Star Windows & Conservatories: Your trusted local specialists for over 23 years in Kidderminster & Worcester. We offer high-quality windows, doors,

• 5 5m2 Ltd Romford · Main contractor · 1-9 employees

  5M2 LIMITED is a construction company offering services in Surrey and West Sussex, specializing in house extensions, loft conversions, basements, and

• 6 638 Green Lanes Ltd London · Refurbishment

  Discover expert builders in North London specializing in loft and rear extensions. Transform your space with our quality construction services.

• 6 66 Atelier Ltd Craigavon · Design & build

  66 Atelier specializes in bespoke luxury home construction and architectural design build services across the UK. We craft exceptional, high-end resid

• 6 681 Group Ltd London · Electrical

  681 Group Ltd is a building and maintenance contractor in London, committed to delivering high-quality work on time and at a fair price.

• 6 6a Vision Homes Ltd Godalming · House builder · 1-9 employees

  6a Vision Homes is an award-winning developer and main contractor based in Petersfield, South Downs, creating high-quality homes and community project

• 7 7 Formation Ltd Corby · Main contractor · 10-49 employees

  7formation is a pioneering main contractor, delivering a wide range of construction projects across the UK. Committed to quality, safety, and innovati

• 7 7-22 Systems Ltd Isle Of North Uist · Design & build · 1-9 employees

  Ecological construction start-up in the Outer Hebrides, formed by experienced architects to deliver high-quality, sustainable buildings using an archi