Main contractors in the UK

20744 UK companies working as main contractors.

• H Hvb Development Ltd London · Design & build · 1-9 employees

  HvB Development is a building and construction services company in London. We create beautifully unique homes that reflect the vision and personality

• H Hvn Construction Ltd Hayes · Refurbishment · 1-9 employees

  Exceptional home developments and renovations. HVN Construction creates stunning, functional living spaces tailored to your needs with unparalleled cr

• H HW UK Services Ltd Bellshill · Electrical

  Trusted electrical contractor & property maintenance experts based in Bellshill. NICEIC-approved team & TrustMark registered. Free quotes. Fully insur

• H HWC BRICKWORK LTD Wigan · Bricklaying · 1-9 employees

  HWC Brickwork Ltd is a specialist brickwork and building contractor with offices in Manchester, Wigan, and Bolton. They offer commercial and residenti

• H Hwm Building Services Ltd Cirencester · M&E contracting · 10-49 employees

  HWM Building Services Ltd offers mechanical and electrical engineering installations for commercial and industrial construction projects, providing tu

• H HWP Design & Build East Molesey · Design & build · 1-9 employees

  SMA Design & Build Ltd operates as HWP Design & Build, a residential design and build brand for homeowners in East Molesey, Surrey and South West Lond

• H Hx Civils Ltd Halifax · Civil engineering

  HX Civils Ltd provides civil engineering, groundworks and construction services in Halifax & West Yorkshire for commercial, domestic and developers.

• H HXL Construction Uxbridge · Design & build

  Luxury Design & Build · Concept to Completion. Construction for homes, developments and heritage projects across London and the Home Counties.

• H Hy Spec Services Ltd Dalgety Bay, Dunfermline · Painting & decorating

  Hy Spec Services Ltd, established in 1993, is a leading industrial painting contractor in Scotland. They specialise in protective coatings for bridges

• H Hybone Ltd Cobham · Bathroom fitting

  Hybone: experts in high-end plumbing, heating & hybrid eco systems. Designed for comfort, built for performance. Trusted by homeowners, architects, an

• H Hybrid Heating & Gas Ltd Bridgend · Heating & ventilation

  Hybrid Heating & Gas Ltd offers expert plumbing, heating, gas, and oil solutions across South Wales and London. Licensed by Gas Safe and OFTEC, we pro

• H HYDRO FLOW DRAINAGE AND CIVILS LIMITED Kilmarnock · Drainage

  HydroFlow Drainage & Civil offers expert solutions for blocked drains, septic tank installation, and a wide range of civil engineering and equestrian

• H Hydro Maintenance Ltd Oban · Civil engineering

  Hydro Maintenance Ltd specialises in hydroelectric solutions for private estates, offering construction, maintenance, and repair services to maximise

• H Hydroline Solutions Ltd Yeovil · Civil engineering

  Hydroline Solutions Ltd, established 2011 in Somerset, are civil engineers and pipeline contractors with a reputation for high-quality, technical work

• H Hydronic Heating Edinburgh Ltd Edinburgh · Refurbishment

  Complete renovations for Edinburgh's traditional homes. Bathrooms and kitchens as the core, with heating, plumbing, joinery and structural work coordi

• H Hyett & Baxter Ltd Lymington · Carpentry & joinery

  Hyett & Baxter Ltd is a dedicated team of professionals with over 40 years of combined experience in the building and construction industry, offering

• H Hygienic Commercial Interiors Ltd Gloucester · Cladding · 1-9 employees

  Altro Whiterock Hygienic Wall Cladding, Flooring & Ceilings Installers. Direct UK Hygienic Cladding Store. Turnkey Hygienic Build Projects.

• H Hygienic Finishes ( South) Ltd Aylesbury · Main contractor

  Specialists in public sector construction, particularly healthcare. Delivering high-quality, cost-effective, turnkey solutions with a focus on clinica

• H Hylands Homes Ltd Maldon · Extensions · 1-9 employees

  We help busy professionals and families in Essex transform their house into their dream home with beautiful extensions, finished on time and within bu

• H Hymers Groundworks & Construction Ltd Southsea · Groundworks

  Hymers Groundworks & Construction Ltd: trusted provider of groundworks, construction, and building services including tarmac, drainage, extensions, br

• H HYPE Building Newcastle · Main contractor · 1-9 employees

  HYPE Building is an expert building contractor in Stoke-on-Trent. We specialise in Commercial to Residential & HMO Conversion.

• H Hyperbuild Ltd Broadstone · Driveways & paving · 1-9 employees

  HyperBuild is Dorset's driveway and patio specialist company with a reputation for high quality finishes across our range of services including tarmac

• H Hysmark Builders Ltd Holsworthy · Restoration & heritage

  Hysmark Ltd are experienced builders in Cornwall and Devon, specialising in extensions, loft conversions, and listed building renovations. Members of

• H Hyt Builders Ltd London · Refurbishment · 1-9 employees

  HYT Builders is a family-owned business focused on attention to detail, clear communication and transparency. Specialising in residential and commerci

• I I & S Construction Ltd Dartford · Drylining · 10-49 employees

  Leading construction specialists delivering high-spec dry lining, LSF, and site management. Quality craftsmanship and structural integrity for every b

• I I A G Developments Ltd Bradford · Main contractor · 10-49 employees

  IAG Developments Limited is a family-run business with over 20 years of experience in the construction industry, specializing in building, electrical

• I I B Roofing Services Ltd Reading · Roofing

  Professional roofing contractors delivering high-quality roof repairs, re-roofs, flat roofing, guttering, and chimney repairs across Reading, Berkshir

• I I C King Ltd Barnards Way Lowestoft · Painting & decorating · 10-49 employees

  I C King Ltd offers bespoke painting and decorating services for commercial and domestic clients across East Anglia and London, including property mai

• I I CRAFT LIMITED Bexley · Main contractor

  High-quality construction services for residential, commercial, and industrial projects. Contact I Craft Limited for reliable solutions and a quote.

• I I D Construction Services Ltd Newcastle Upon Tyne · Main contractor

  ID Construction is a national construction & fit-out contractor delivering quality services to the Retail, Commercial, Residential & Healthcare sector

• I I D Corcoran Building Contractors Ltd Maldon · Civil engineering

  I D Corcoran Building Contractors Ltd in Maldon provide expert civil engineering project management for groundworks and repairs, request a site visit.

• I I Home Development Ltd Romford · House builder

  I Home Development Ltd. specialises in reshaping London's architectural scene by providing outstanding building solutions, including custom homes, ext

• I I J Hodges Ltd Redruth · Electrical

  Family-run business operating in Cornwall and Devon for over 50 years, offering a range of electrical and water services.

• I I S BUILD LIMITED Nottingham · Refurbishment · 1-9 employees

  IS Build Ltd. is a construction and development company known for quality, integrity, and innovation. They offer services from residential and commerc

• I I S Pataki Services Ltd Derby · Main contractor

  I S PATAKI SERVICES LIMITED is a private limited company registered in England. Incorporated on 09 April 2025, it operates within the construction sec

• I I-am WOW Sheffield · Fit-out & interiors · 1-9 employees

  I-am WOW Ltd offer commercial interior fit-out solutions for retail, offices, restaurants, leisure and financial sectors. Services include design, man

• I I-Civils Ltd Exeter · Civil engineering · 10-49 employees

  iCivils Ltd is a civil engineering company established in 2012, offering bespoke services to commercial and private clients with a commitment to quali

• I I-Connect Utilities & Renewables Ltd Tipton · Utilities

  I-Connect Utilities and Renewables Limited is an engineering and construction company focused on renewable energy, utilities, EV charging, building se

• I I-PREV CLARITY LIMITED Leicester · Refurbishment

  I-Prev Clarity Limited is a multi-service company specializing in general cleaning, travel, real estate, renovation, and construction. We are driven b

• I I-S-Solutions (UK) Ltd Cromford · Design & build · 1-9 employees

  I-S-Solutions (UK) Ltd offers a comprehensive 'One Stop Solution' for project management, design, fabrication, installation, commissioning, and mainte

• I I.E.D. Group Limited Liverpool · Electrical · 10-49 employees

  I.E.D. Group are a well established electrical, mechanical and construction contractor offering design and installation of quality services nationwide

• I I.H. Borland (Contractors) Ltd Kilmarnock · Civil engineering · 1-9 employees

  I H Borland is a civil engineering company with decades of experience, offering services from planning to construction. They specialize in minor civil

• I I.J. Cannings & Son Ltd Exeter · Electrical

  I.J. Cannings & Son Limited is a building contractor based in Exeter, Devon, offering a range of services including electrical and heating/ventilation

• I I.J. Preece & Son Ltd Hereford · Restoration & heritage · 10-49 employees

  Award-winning specialists in building conservation and restoration and highly proficient general building contractors.

• I I.K. Constructions Ltd London, · Extensions · 1-9 employees

  Extensions, Loft Conversions and Basements by London-based Builders IK Constructions Ltd. Over 15 years experience in building, extending and renovati

• I I.K. Crowle Construction Ltd Looe · Groundworks

  IK Crowle Construction Ltd is a trusted construction company based in Cornwall, England, delivering exceptional groundworks and civil engineering solu

• I I.S.T.L. Engineering Ltd Bedwas · M&E contracting · 10-49 employees

  Established in 1995, ISTL is a full-service mechanical and electrical design and build contractor based in Cardiff.

• I I.T Shaw Ltd Cumbria · Plant hire · 1-9 employees

  Plant hire & Civil Engineering Services in Ulverston, Barrow-in-Furness, Kendal, Lake District & South Cumbria. Professional, affordable & reliable.

• I I&G Construction Ltd. Dagenham · Design & build

  I&G Construction Ltd. is a London-based residential and commercial construction company building high-quality structures for over a decade. Specialisi

• I I&M Sons Masonry Ltd London · Bricklaying · 1-9 employees

  I&M Sons Masonry Ltd offers building, extension, and improvement services across London, specialising in quality workmanship and attention to detail f