Main contractors in the UK

20692 UK companies working as main contractors.

Ultra Build Northwest Ltd Stockport · Extensions · 1-9 employees
FMB-member building contractor in Manchester. Extensions, lofts, roofing and new builds across the North West. Fully insured, fixed written quotes.
Ultra Building Ltd Hadleigh · Roofing
Ultra Builders offers expert roofing, building, refurbishment, extensions, driveways, kitchens, and bathrooms in Essex. Trusted local professionals fo
Ultra Dreamerz Hayes · Main contractor
Ultra Dreamerz is a trusted construction company in the UK offering house construction, renovations, refurbishments, roofing, and building services.
Ultra M&E Ltd Sittingbourne · M&E contracting · 1-9 employees
Ultra M&E deliver high-quality, bespoke mechanical, electrical & public health (MEP) services for commercial, domestic and industrial projects across
Ultra Property Farnham · Main contractor · 1-9 employees
Ultra Property is a main contractor building exceptional homes across London and the Home Counties. Renovation, extension, refurbishment and new build
ULTRA PROPERTY SOLUTIONS LTD Crewe · Driveways & paving
Ultra Property Solutions offers reliable driveway and patio installation services across Stoke-on-Trent, Staffordshire, and Cheshire, with free survey
Ultra Solutions Group Ltd Frome · Fit-out & interiors
Ultra Solutions Group Limited offers expert building services, fire stopping surveys, fire door installation, industrial roof coatings, and general bu
Umer Builders & Contractors Ltd Ilford · Extensions · 1-9 employees
Umer Builders & Contractors Ltd is a construction development company in Ilford, England, offering services from concept to completion for domestic an
UNDERPINNING LONDON LIMITED Sutton · Basement works · 1-9 employees
London Underpinning Construction Ltd offers professional underpinning, basement conversions, groundworks, concreting, landscaping, and drainage servic
Underwild Design & Development Ltd St Ives · Design & build · 1-9 employees
Underwild Design and Development is a specialist construction firm in the South West, offering services from traditional construction to design and bu
Uni Assist Ltd Peterborough · Fire protection
Uni Assist provides nationwide commercial building maintenance services, offering reactive and planned maintenance, project works, and specialized ser
Uni Windows Ltd Loanhead · Windows & doors · 1-9 employees
Windows and doors specialist in Edinburgh. We supply and fit high quality aluminum, wooden and upvc windows throughout Scotland.
Uni-Lec Contractors Ltd Plymouth · Electrical · 10-49 employees
Uni-lec is a commercial and industrial electrical contractor in Plymouth, offering installations, design, maintenance, testing, and ventilation system
UNICBUILD LTD London · Design & build · 1-9 employees
Unicbuild offers a unique blend of Italian design and experienced craftsmanship for your building needs, from initial consultation to project completi
Unico Burnley · Extensions
Unico Building Ltd offers a wide range of products and services including building services, uPVC windows and doors, modern radiators, and smart taps.
Unico Contracts Ltd Belfast · Refurbishment · 10-49 employees
Unico Contracts Ltd is a construction and maintenance company delivering high-quality services to domestic and commercial clients. Specialising in cyc
Unicorn Construction (South West) Ltd Newton Abbot · Main contractor · 10-49 employees
Unicorn Construction specialise in New Builds, Barn Conversions, Extensions and Refurbishments. Federation of Masters Builders.
Unicorn Windows Ltd. Dunstable · Windows & doors · 1-9 employees
Leading supplier of high-quality windows, doors, conservatories and guttering to the public and private sector, with over 20 years of experience.
Union Building Contractor Ltd Feltham · Refurbishment
Discover Union Building Contractor Ltd, trusted builders in Hounslow. With 20 years' experience, we offer expert building and property improvement ser
Union Roofing And Landscapes Ltd Nottingham · Roofing
Professional roofing, repairs, driveways and landscaping by Union Roofing & Landscapes. Serving Nottingham and surrounding areas.
Union Technical Services Ltd Glasgow · Insulation · 1-9 employees
Union Technical is a leading, accredited provider of Renewable, Insulation, and Heating solutions in the UK, recognized for high-quality installations
Uniqato Ltd Chelmsford · Refurbishment · 1-9 employees
Uniqato LTD is a premier construction and maintenance firm with over 14 years of combined experience, delivering exceptional projects in the UK and Ne
Uniqoncept Ltd Ramsgate · Design & build · 1-9 employees
uniQoncept: "Made in Britain" company offering bespoke kitchens, doors, wardrobes, furniture, and design & building services. Excellence and high qual
Unique Construction Bournemouth · Loft conversions · 1-9 employees
Unique Construction Ltd, based in Christchurch, Dorset, offers high-quality building services including loft conversions, extensions, and refurbishmen
Unique Constructions (Leic) Ltd Leicester · Refurbishment · 1-9 employees
We transform your construction visions into stunning reality with expert craftsmanship and attention to detail. Our team brings 23 years of experience
Unique Design Projects Ltd London · Design & build · 1-9 employees
London-based design & build contractor specialising in high-quality residential refurbishments, extensions and fast-track commercial fit-out projects.
Unique Designs & Projects Ltd Selby · Extensions · 1-9 employees
UD Projects is a local building design and development company with over two decades of experience, specialising in residential and domestic projects
Unique Drains Wimborne · Drainage
Unique Drains offers expert drain unblocking and repairs in Poole. As a trusted drainage company, we provide fast and reliable solutions for all your
Unique Drives & Landscaping Ltd Market Drayton · Driveways & paving · 1-9 employees
Unique Drives & Landscaping Ltd offers professional driveway and landscaping services in Shropshire and Staffordshire. Specialising in block paving, r
Unique Gale Worldwide Corporation Ltd Oxford · Design & build
Reliable Design, Build & Property Services in the UK. Offering complete property solutions from design to maintenance for homeowners, landlords, and b
Unique Lofts Limited Halstead · Loft conversions · 1-9 employees
Unique Lofts are specialist loft conversion experts with over 15 years of experience. We offer a personalised service from start to finish.
UNIQUE PEARL SERVICES LTD Liverpool · Refurbishment · 1-9 employees
Unique Pearls Technical Services LTD is a UK-based construction firm specializing in residential, commercial, and industrial building projects. Founde
Unique Play Company Ltd Burnley · Landscaping · 1-9 employees
Unique Play Company offers playground redevelopment, creating bespoke outdoor facilities from concept to completion. With over 30 years of experience.
UNIQUE ROOFING SERVICES LTD Cheadle · Roofing
Fully qualified, skilled and friendly roofers in Cheshire. Affordable roof inspections, repairs and replacements to the highest standards.
Unique Smart Build London · Extensions · 1-9 employees
Unique Smart Build specializes in turning visions into reality with exceptional craftsmanship and meticulous attention to detail. They offer a wide ra
Uniserv Enterprises Ltd. Bexleyheath · Main contractor · 1-9 employees
Discover the services of Uniserv Enterprises, Bexleyheath. Serving London & the South East since 1993.
Unit Construction Ltd Belfast · Main contractor · 1-9 employees
UNIT CONSTRUCTION LTD is a construction company based in Belfast, Northern Ireland.
Unitary Engineering Services Ltd Bristol · Heating & ventilation · 10-49 employees
Commercial facilities management services across the Southwest. From energy upgrades to long-term maintenance, we help you build greener, smarter spac
Unite Construction Ltd Thirsk · Main contractor · 10-49 employees
Unite Construction offers design build construction services for commercial projects. As experienced commercial general contractors, we provide high-q
Unite Facades Ltd Thirsk · Cladding · 10-49 employees
Unite Facades offers professional remediation services to restore your building's facade. Contact us today for a free consultation.
Unite Greentech Ltd Edinburgh · Solar PV
Unite Group Inc. is a diversified international group operating across renewable energy, information technology, construction, fintech and consultancy
United Builders UK Eastbourne · Refurbishment
United Builders UK Ltd, established 1990, offers building services including refurbishments, extensions, and new builds. Family-run with experienced t
United Civils Ltd Retford · Civil engineering
United Civils delivers expert nationwide groundworks and civils services across the UK from site strip and demolition to drainage and reinstatement.
United Construction Group Ltd London · Design & build · 1-9 employees
United Construction Group (UCG) is a premium design and build contractor in London. We deliver high-end home extensions, loft conversions, and refurbi
United Global Group Sevenoaks · Property developer · 1-9 employees
United Global Group specialises in residential property development, building and refurbishing homes across the South East of England. We create high-
UNITED GLOBAL GROUP Sevenoaks · Property developer · 1-9 employees
United Global Group specialises in residential property development, building and refurbishing homes across the South East of England. We create excep
United Renovations Ltd London · Refurbishment
United Renovations specialises in high-quality renovations, remodels, and refurbishments for homes and commercial properties, delivering exceptional c
United Restoration And Development (UK) Ltd Coventry · Design & build · 1-9 employees
United Restoration and Development (UK) Ltd offers project management, building construction, renovation, and built-in furniture services. They specia
Unitum Contractors Ltd London · Refurbishment
Unitum Contractors delivers reliable, high-quality maintenance and construction services built on trust, safety, and precision. We build long-lasting
Unity Building Solutions Ltd Colchester · Extensions · 1-9 employees
Unity Building Solutions Ltd offers a comprehensive range of building, landscaping, and maintenance services for residential and commercial clients. W

Main contractors in the UK

See where your project budget stands now, not after month-end