Main contractors in the UK

20744 UK companies working as main contractors.

• I Island Facility Services Ltd Newport · Electrical · 10-49 employees

  IFS Property Services offers a comprehensive range of commercial and domestic property services on the Isle of Wight, including bathrooms, kitchens, d

• I Island Treatment Specialists Ltd Newport · Damp proofing

  Island Treatment Specialists Ltd offers expert damp control and property preservation services across the Isle of Wight. We provide approved and accre

• I Isle Fm Ltd Waterlooville · Refurbishment · 1-9 employees

  Facilities Management and Refurbishment services across the South. Isle FM keeps buildings safe, compliant, and operating at their best through planne

• I Isleworth Building Contractors Ltd Isleworth · Refurbishment · 1-9 employees

  A family company with over 25 years of building experience. Specialising in renovations, extensions and conversions. We create homes that our clients

• I Istrate Ltd Northampton · Main contractor

  Delivering high-quality residential and commercial construction with precision, reliability, and excellence since 2018.

• I It'S Carpentry Ltd East Preston · Carpentry & joinery

  Expert construction and carpentry services in Steyning. It's Carpentry Limited offers building, conversion, and extension services with over 40 years

• I Italico Renovation Bromley · Refurbishment · 1-9 employees

  Bespoke building work with high-quality finish. Specialising in home renovation, carpentry, extensions, garage conversions, and painting.

• I Itchen Electrical Services Ltd Fareham · Electrical · 10-49 employees

  Itchen Electrical Services Ltd, based in Fareham, Hampshire, offers a wide range of electrical works, control panel manufacturing, and BMS integration

• I Ith Construction Ltd Narberth · Civil engineering

  ITH Construction delivers civil engineering and building projects across West Wales, specialising in groundworks, utilities, infrastructure, and bespo

• I ITS Infrastructure Transfer Solutions Wigan · Civil engineering

  We Provide Wide Ranging Infrastructure Solutions. Our Aim Is To Transfer Your Long-Term Infrastructure Liabilities.

• I Its Interiors Ltd Northampton · Fit-out & interiors · 50-249 employees

  ITS delivers high specification fit outs and construction projects throughout the UK and Europe. Established in 2009, they have an enviable reputation

• I Iuind Ltd London · Main contractor · 1-9 employees

  Building Specialists | Tailored Solutions for Homes, Businesses, and Industrial Spaces! Fixed Price Projects, Quality and Standards, Precision Plannin

• I Ivaron Group Ltd Maidstone · Main contractor

  Ivaron Construction Group Ltd provides comprehensive construction, surfacing, and civil engineering services. Expert team delivering quality projects

• I Ivd Construction Ltd Dagenham · Refurbishment

  IVD Construction specialises in high-end renovations, transforming luxury properties into breathtaking homes with exceptional quality, on time, and wi

• I Ivegate Developments Ltd Leeds · Design & build · 50-249 employees

  Ivegate Limited is a modern Building Services Specialist and Design & Build expert, established in 2011. They offer turnkey solutions across construct

• I Ivenco Builders Ltd Loughton · Loft conversions · 1-9 employees

  Ivenco Builders is a Loughton, Essex based building company providing high quality work to homeowners and businesses within the M25 Greater London are

• I Ivy Construction (Midlands) Ltd Willenhall · Main contractor · 1-9 employees

  Ivy Construction is a trusted construction company serving residential and industrial clients across Walsall and the wider West Midlands area. With ov

• I Ivybuild Ltd Maldon · Main contractor

  Ivybuild is a trusted, all-in-one building solution based in Maldon, Essex, offering a comprehensive range of services for new builds, extensions, and

• I Iwanski Design Co. Ltd High Wycombe · Main contractor

  Iwanski Design Co is a family-run construction company in High Wycombe, experienced in renovations, extensions, loft conversions, kitchen and bathroom

• I IWC Pontyclun · Carpentry & joinery · 10-49 employees

  IWC - Ian Williams Carpentry Ltd are one of South Wales leading companies supplying bespoke carpentry services to the commercial building sector and t

• I Iwik Construction Ltd London · Main contractor

  Iwik Construction is a well-established building company in Southwest London, offering a full range of construction and renovation services. They prid

• I Izvori Ltd Luton · Groundworks

  Izvori Ltd provides expert construction and renovation services across Luton and nearby towns. Professional quality, local expertise, and a commitment

• J J & A Groundworks Ltd Enborne, Newbury · Groundworks

  J&A Groundworks is a family-run company with over 30 years of experience in groundworks, civil engineering, and demolition. They serve domestic and co

• J J & B Hopkins Ltd Fareham · M&E contracting · 1-9 employees

  J&B Hopkins Limited is an employee-owned trust providing a full MEP design and build service to the construction industry and direct to end-user marke

• J J & E Woodworks Ltd Lampeter · Carpentry & joinery · 10-49 employees

  J&E Woodworks Ltd: Bespoke joinery specializing in windows, doors and stairs, plus general building maintenance for larger clients.

• J J & F Property Services Ltd Whyteleafe · Refurbishment · 1-9 employees

  J & F Property Services Limited offers high-quality construction solutions for domestic and commercial projects, specializing in new builds, extension

• J J & G Contractors Ltd London · Refurbishment

  J&G Contractors Ltd is a family-owned business specialising in property management, offering a wide range of services from major projects to planned m

• J J & H Lynch Ltd Oxford · Flooring

  Oxford's trusted liquid screed, spray rendering and EWI specialists. Family-run, Cemex & Weber approved. Free quotes for homes and commercial projects

• J J & J Bricklayers Ltd Liverpool · Main contractor · 1-9 employees

  Award-winning construction and bricklaying company delivering high-quality builds for homeowners, developers, and commercial clients. Over 100 years o

• J J & J Drake Ltd Cambridge · Electrical

  J & J Drake is a family-run electrical company founded in 2004, offering a wide range of electrical services to domestic and commercial customers nati

• J J & J Unique Services Ltd Barking · Bathroom fitting

  J J Unique Services provides exceptional property maintenance and home improvement services for homeowners and businesses, ensuring spaces remain in p

• J J & J Wall Ltd Ascot · Main contractor

  J & J Wall is a family-run general building and roofing contractor serving Surrey, Middlesex, and Berkshire for over 50 years. They offer reliable ser

• J J & K Scaffolding (Northampton) Ltd Northampton · Scaffolding · 1-9 employees

  Northampton's premier scaffolders offering New Build Scaffold, Renovation & Protective Scaffolding - Long term scaffolding hire - Programmed scaffold

• J J & L Construction Ltd London · Extensions · 1-9 employees

  J & L Construction Ltd are your local experts for all building services in Valley Side, Waltham Forest, London. From extensions through to complete re

• J J & L Gratton Ltd. Stoke-On-Trent · Main contractor

  J&L Gratton Ltd is a family-run business established in 1998, offering a personal and professional service in building and construction from planning

• J J & M Loft Conversion Ltd Dagenham · Carpentry & joinery · 1-9 employees

  J & M Loft Conversion Ltd is a London-based construction firm with over 10 years of experience, offering a wide range of building services including c

• J J & M Pavers Ltd Ruislip · Driveways & paving

  J&M Pavers Ltd are a family-run driveway and patio company in St Albans, established over 30 years. We offer block paving, tarmac, landscaping, and fe

• J J & R Groundworks Ltd Chester · Groundworks

  For expert site investigations and clearances in Chester, trust J & R Groundworks-professional and efficient services to prepare your site for any pro

• J J & R M Richardson Construction (Darlington) Ltd Darlington, Co Durham · Design & build · 10-49 employees

  J & R M Richardson Construction, founded in 1986, specialises in high-quality Design and Build or Traditional projects across the North East Region. T

• J J & S Mckee Ltd Ballymena · Civil engineering · 10-49 employees

  J & S McKee Construction. Civil Engineering and Groundworks Contractor. Based in County Antrim, we carry out civil engineering and groundworks through

• J J & S Rodger Ltd Blairgowrie · Carpentry & joinery

  J&S Rodger are joiners and building contractors delivering home improvements in Blairgowrie, Perthshire, and surrounding areas. Established in 1973.

• J J A Wright Construction Ltd Harpenden · Main contractor

  Award-winning builders and main contractors in Hertfordshire with over 30 years of experience. Specialising in high-end residential refurbishments, ex

• J J And A Fisher Joiners Ltd Tillicoultry · Design & build

  Family-run business in Tillicoultry, Scotland, with over 30 years of experience. Offering reliable building and property development services from pla

• J J And N Joinery Ltd Newry · Carpentry & joinery · 1-9 employees

  J & N Joinery, established 1997, is a reputable and versatile firm with skilled joiners in project management, roofing, cladding, shopfitting, and mor

• J J Ash Builders Ltd New Milton · Extensions · 1-9 employees

  J Ash Builders Ltd is an established and reliable building firm with over 25 years of experience, specialising in high-quality extensions and refurbis

• J J B Construction & Carpentry Wales Ltd Cardiff · Carpentry & joinery · 1-9 employees

  J B Construction & Carpentry Wales Limited is a construction and carpentry company based in Cardiff, Wales. They offer a range of services including c

• J J B Dean Construction Ltd Southend-On-Sea · House builder

  J B Dean Construction is a premier development firm in Essex, specialising in high-specification residential projects. We combine decades of insight w

• J J B Loughlin Contractors Chorley · Main contractor · 1-9 employees

  J. B. Loughlin Contractors Ltd offer residential and commercial building services. A family-run company with over 55 years in business, we prioritise

• J J Binks & Sons Ltd Thirsk · Groundworks

  J Binks and Sons, based in Thirsk, North Yorkshire, offers a comprehensive range of services for commercial and domestic clients, including groundwork

• J J Building Contractors Ltd Glasgow · Groundworks · 1-9 employees

  J Building Contractors Ltd is a trusted building company serving domestic, commercial, and industrial clients across Central Scotland, including Glasg