Main contractors in the UK

20744 UK companies working as main contractors.

• J Jan De Nul (UK) Ltd Ascot · Civil engineering

  We shape water, land and energy around the world, addressing some of the most important challenges of our time. From the rising sea level to the energ

• J Janine Stone & Co. Manchester · Design & build · 1-9 employees

  Luxury interior designers in London since 1987. Janine Stone & Co. create exceptional private homes through interior design, architecture and construc

• J Janson Bridging (UK) Ltd Nottingham · Civil engineering

  Janson Bridging is a leading provider of temporary modular bridges, pontoons, and ferries for civil and military applications. Experts in bridge solut

• J Jaques Leominster · Design & build · 10-49 employees

  Specialists in designing & constructing high quality poultry, agricultural and industrial buildings for over 40 years. Bespoke design & build.

• J Jaques Construction Ltd Dorking · Main contractor

  Jaques Construction builds quality, custom homes and commercial properties in Surrey, specialising in new builds, refurbishments, conversions and exte

• J JAROSE INTERIORS LIMITED Leeds · Fit-out & interiors · 10-49 employees

  Jarose deliver top-quality fit-outs for high-end retail, leisure and commercial clients worldwide. Specialising in planning, manufacture, and interior

• J Jarred Bundy Construction Ltd Salisbury · Groundworks · 1-9 employees

  Jarred Bundy Construction Ltd offers external construction, groundworks, steel frame buildings, drainage, hard landscaping, and demolition services in

• J Jarvale Construction Ltd Dronfield · Main contractor · 10-49 employees

  Construction specialists delivering commercial, healthcare, education and industrial projects across Yorkshire, Derbyshire and the Midlands for 50+ ye

• J Jarvey Stone Ltd Whitburn · Main contractor · 10-49 employees

  Jarvey Stone Ltd is a family-owned construction company established in 1990, offering refurbishment and new build services across Scotland.

• J Jarvis Building Contractors Ltd Hadleigh · Groundworks · 1-9 employees

  Jarvis Building Contractors Ltd are a family-run independent building company based in Groton, Sudbury, Suffolk. We offer a wide range of services.

• J Jarvis Home Solutions Ltd Cannock · Refurbishment

  Professional home improvement and renovation services, delivering quality workmanship from trusted specialists across the West Midlands.

• J Jas Building Services (Bristol) Ltd Bristol · Refurbishment · 10-49 employees

  JAS Building Services offer design, renovations, extensions and project management in North Bristol. Quality, reliable builds tailored to you.

• J Jas Roofing Ltd Dagenham · Roofing · 10-49 employees

  Experienced roofing company in Dagenham, Essex, offering new roofs, repairs, maintenance, and installation for domestic and commercial clients. Fast t

• J Jas2 Construction Ltd Luton · Driveways & paving

  JAS2 Construction Ltd is a UK-based building and construction company offering expert kerbing, paving, brickwork, concrete, and foundation services. T

• J Jashandeep Construction UK Ltd Luton · Main contractor

  Jashandeep Construction UK Ltd is a construction company based in Luton. The company's website is currently offline.

• J Jason Bros Kingston Upon Thames · Refurbishment

  Jason & Bros is a construction and renovation company in London, delivering bespoke, high-quality spaces. We offer remodeling, kitchen renovations, fl

• J Jason Gillett Groundworks Ltd Abingdon · Groundworks

  Jason Gillett Groundworks Ltd is your one-stop groundwork contractor for commercial services in Oxfordshire. We offer flexible solutions for all proje

• J Jassi Construction Ltd Hayes · Loft conversions

  Jassi Construction are specialists in loft conversions, extensions, and construction services in West London. A family-run business committed to quali

• J Javicon London · Refurbishment

  JAVICON LTD specialises in full-scale renovations, refurbishments, and turnkey construction projects across London. Quality craftsmanship, reliable ti

• J Javlin Formwork Ltd Co Tyrone · Concrete works · 1-9 employees

  Javlin Formwork Ltd is a leading reinforced concrete contractor, delivering high-quality services to private and public sector clients. With a reputat

• J Javlin Homes Ltd Thatcham · Property developer · 1-9 employees

  Javlin Homes Limited, founded in 2002, is an established property company with vast building experience, specialising in luxury homes, commercial prem

• J Jawandha Builders Ltd London · Extensions · 1-9 employees

  Jawandha Builders offers high-quality building and renovation services, specializing in home extensions, roofing, and interior upgrades. We focus on r

• J Jax Maddison Designs Ltd Esher · Kitchen fitting

  Esher-based kitchen installation, carpentry, decorating and renovation specialists. Family run, transforming homes with precision and reliability.

• J JAY CONSTRUCTION BRISTOL LIMITED Bristol · Loft conversions · 1-9 employees

  Jay Construction Bristol Limited offers loft conversions, home extensions, solar panel installation, and bespoke design & build services. With over 40

• J JAY LOGAN HOME DEVELOPMENTS LTD Chesterfield · Extensions

  Jay Logan Home Developments Ltd is an independent building and property development company based in Chesterfield, offering extensions, refurbishments

• J Jay Renovations Ltd Bilston · Refurbishment

  Jays Renovations specialises in high-quality home extensions, conversions, and full property renovations across the West Midlands. We blend precision,

• J Jaydee-Brook Peterborough · Shopfitting · 10-49 employees

  Jaydee-Brook is a shopfitting company providing complete solutions to the Retail, Trade, Commercial and Industrial marketplace across the UK and inter

• J JayKay Building Contractors Ltd Derby · Extensions · 1-9 employees

  JayKay Building Contractors Ltd serves as a leading Construction Company in the Staffordshire area. We're a team of fully-certified professionals who

• J Jaylea Construction Ltd Leatherhead · Extensions

  Specialising in complex projects, Jaylea Construction Ltd offers a wide range of services for domestic or commercial clients, delivering reliable, lon

• J Jaysam Contractors Ltd Middlesex · Main contractor · 50-249 employees

  Jaysam Contractors Limited is a construction company based in Middlesex, UK. The company's website is currently unavailable.

• J Jaysim ProBuild Ltd Newport · Refurbishment

  Jaysim ProBuild Ltd is a family-run building and renovation company based in Newport, South Wales, offering professional home transformations with hon

• J JAZ Facilities Management Grantham · Refurbishment

  JAZ Facilities Management offers reliable property services including maintenance, steeplejack work, compliance, and refurbishments for block manageme

• J Jazz Construction London Ltd London · Main contractor

  Jazz Construction is a leading construction company in London offering a wide range of building and construction services. Established in 2019, we are

• J Jazzbuild Ltd Farnborough · Design & build · 1-9 employees

  Jazzbuild offers All In One Services for home renovations, extensions, and loft conversions, managing projects from design to completion to create spa

• J Jb Bespoke Carpentry And Build Ltd St Ives · Refurbishment

  JB Bespoke Carpentry and Build specialises in complete renovations and custom carpentry solutions in Cornwall and the South West. We transform spaces

• J JB BUILDCO Windsor · Design & build

  JB Buildco specialises in crafting exceptional garden rooms, outdoor living spaces, and house extensions in Windsor and surrounding areas. We focus on

• J Jb Building London Ltd London · Refurbishment · 1-9 employees

  JB Building London Ltd offers a comprehensive range of building services with over 15 years of experience in residential construction. We are committe

• J Jb Carpentry Plus Ltd Stevenage · Extensions

  Specialists in high-quality home extensions and conversions across Hertfordshire. Stevenage based. Fully managed builds with clear written quotes and

• J Jb Construction (Barnet) Ltd Barnet · Refurbishment · 1-9 employees

  JB Construction (Barnet) Ltd provide house refurbishments, garage conversions, bathroom & kitchen installations & home Improvements in and around Barn

• J JB Construction 1 Ltd. West Bromwich · Civil engineering

  Established in 2009, JB Construction 1 Ltd. is one of the fastest growing Civil Engineering and Groundworks contractors in the UK.

• J JB Construction Ltd Tewkesbury · Extensions

  JB Construction Ltd specialises in home extensions and new builds in Gloucestershire. With 15+ years of experience, we handle groundworks, brickwork,

• J Jb Construction Projects Ltd Southampton · Refurbishment

  Professional building services in Southampton from JB Construction Projects Ltd. Reliable construction, renovations, refurbishments, and fitting servi

• J JB Electrical Contractors Ltd Ruislip Manor · Electrical · 1-9 employees

  JB Electrical Contractors Ltd offers reliable electrician services in Watford, Stanmore, Harrow and surrounding areas, providing free electrical quote

• J Jb Fit-Out Ltd Chigwell · Fit-out & interiors · 1-9 employees

  JB Fit-Out Ltd is a trusted fit out and refurbishment company based in Chigwell, offering reliable, skilled and personal service for projects of all s

• J Jb Good Roofing Ltd Bromley · Roofing

  Expert roofing services in Croydon & South London specialising in flat roofs, roof repair, replacements. Reliable, local roofers you can trust.

• J Jb Groundworks And Construction Ltd Henfield · Groundworks

  JB Groundworks and Construction LTD is a family-run groundworks and landscaping company based in Henfield, West Sussex, serving Sussex and surrounding

• J Jb Maquina Ltd London · Main contractor

  JB Maquina Ltd offers expert construction services and wholesale premium machine tools with a fresh, modern approach. Innovating since 2024, we delive

• J Jb Projects (Yorkshire) Ltd Leeds · Fit-out & interiors · 1-9 employees

  Project Management based in Yorkshire covering projects across the UK and Europe, we cover all commercial industries specialising in fit out and refur

• J JB Property & Roofing Limited Beverley · Roofing · 1-9 employees

  JB Property & Roofing Limited offers expert roofing and building services in East Yorkshire. With over 10 years of experience, we handle installations

• J JB Riney London · Civil engineering

  JB Riney is a London-based civil engineering and highways contractor specialising in infrastructure, public realm, and road surfacing services. Founde