Main contractors in the UK

6990 main contractors listed from the UK register.

• A Allsop Construction Ltd Stoke-On-Trent · Main contractor · 1-9 employees

  Allsop Construction is a small, family-run construction firm in Tean, Staffordshire, offering transparency, reliability, and quality for home improvem

• A Allston and Jones Builders Colchester · Main contractor · 1-9 employees

  Building Dreams, Managing Success, Cleaning with Precision, Allston and Jones Building Limited is your one stop property shop. Specialising in high-qu

• A Alltec Group Ltd Glenrothes · Main contractor

  Alltec Group Ltd is a main contractor company based in Glenrothes, registered at Companies House in 2025.

• A Alltrades Builders Ltd Sittingbourne · Extensions · 1-9 employees

  Alltrades Builders Ltd is a registered building company in Kent, specializing in extensions, loft conversions, new builds, and renovations. They offer

• A Alltype Refurbishments Ltd Welling · Refurbishment

  With 35 years of experience, Alltyperefurbishments Ltd offers quality building services in Welling, Kent. Reliable and professional construction solut

• A Alm Construction Ltd Whalley · Main contractor

  ALM Construction Ltd is a construction company based in Whalley, UK, offering a range of services including new builds, refurbishments, heritage works

• A Alor Construction Ltd Epsom · Main contractor · 1-9 employees

  We provide a broad range of high-quality services from project management, building extensions and loft conversions to carpentry, tiling, and general

• A ALPACA BUILDING CONTRACTORS LTD London · Main contractor · 1-9 employees

  Alpaca Garden Rooms offers bespoke garden room solutions, transforming outdoor spaces into functional and beautiful extensions of your home. Specialis

• A Alpha Building Group Ystradgynlais · Main contractor · 10-49 employees

  Alpha Building Group provides professional construction, structural works, roofing, maintenance and project management services across South Wales.

• A Alpha Businesses Ltd Hyde · Main contractor · 1-9 employees

  Delivering quality construction and renovation services across the UK with honesty, care, and precision. Building secure, high-quality spaces designed

• A Alpha Construction (North West) Ltd Bolton · Main contractor · 1-9 employees

  Alpha Construction (North West) Ltd is a main contractor company based in Bolton, registered at Companies House in 2024.

• A Alpha Construction Ltd Hilton · Main contractor · 50-249 employees

  Alpha Construction Ltd is a main contractor company based in Hilton, registered at Companies House in 1982.

• A Alpha Domestic Builders Ltd Dartford · Main contractor · 1-9 employees

  Alpha Domestic Builders provides top quality home and small office improvements and maintenance projects. We handle new builds, extensions, loft conve

• A Alpha One Insurance Leicester · Main contractor · 1-9 employees

  Alpha One Insurance Limited is an insurance and investment advisory firm offering corporate insurance, surety bonds, risk management, financial vehicl

• A Alpha Projects (Scotland) Ltd Dundee · Main contractor · 50-249 employees

  Alpha Projects is a multi-trade principal contractor providing construction services across the north east of Scotland.

• A Alpine Construction Essex Ltd Southend-On-Sea · Main contractor

  Alpine Construction is a trusted principal contractor in Southend-on-Sea, Essex, specialising in insurance reinstatement works, commercial and residen

• A ALS Services London · Main contractor · 1-9 employees

  ALS Services is a Thailand-headquartered SPV and corporate services provider, focused on enabling investors, lenders, and project sponsors to execute

• A Altair Construction & Development Ltd Stonehaven · Main contractor · 1-9 employees

  Altair Construction & Development Ltd is a construction and development company based in Scotland. We offer a range of services for residential and co

• A Altam Construction Ltd London · Main contractor · 1-9 employees

  Altam Construction is a recruitment resource for the construction industry, providing skilled workers and job opportunities. They offer workforce recr

• A Altertherm Facilities Ltd Stockport · Main contractor · 10-49 employees

  AlterTherm is a nationwide principal contractor with over 20,000 hotel bedrooms completed. They specialise in working within live buildings for blue-c

• A ALTIOR CONSTRUCTION LTD Hereford · Main contractor · 1-9 employees

  Herefordshire based general builders with a strong reputation for high quality work. Specialising in extensions, renovations, and general maintenance.

• A Altor Construction Ltd Leeds · Main contractor

  Altor Construction Ltd is a privately-owned company operating throughout the UK with Head Office being based in Leeds. Established in March 2021.

• A Altun Property Consultants UK Ltd Waltham Cross · Main contractor

  Altun Property Consultants is an Enfield-based principal contractor offering full turnkey solutions to residential and commercial clients. We handle p

• A Am Builders (Luton) Ltd Luton · Groundworks · 10-49 employees

  AM Builders (Luton) Limited offers building and maintenance services for commercial properties in Bedfordshire, Hertfordshire, Buckinghamshire and par

• A Am Joinery And Building Ltd Manchester · Main contractor · 1-9 employees

  AM Joinery & Building Limited are professional builders in Wigan & surrounding areas, offering quality building & joinery services with over 10 years

• A Ama South Ltd Emsworth · Main contractor · 1-9 employees

  AMA South Ltd is a new company based in Emsworth, Hampshire. The website is currently under development.

• A Amastic Construction Dunmow · Roofing · 1-9 employees

  Amastic Construction is a family business established in 1970, with over 50 years of experience in residential and commercial building, roofing, and s

• A Amaxs Construction Ltd Reading · Main contractor · 1-9 employees

  Reading-based building company Amaxs undertake all types of building work: extensions, loft conversions, kitchens, bathrooms, painting, decorating, ti

• A Amaxs Design Ltd Reading · Main contractor · 1-9 employees

  Amaxs Design Ltd is a main contractor company based in Reading, registered at Companies House in 2020.

• A Amberley Building Services Ltd Cheam · Main contractor · 1-9 employees

  Amberley Building Services is a well-established and certified contractor with 20 years' experience. We pride ourselves in project managing luxury res

• A Amberley Homes (Kent) Ltd Sevenoaks · Main contractor · 1-9 employees

  KentOnline is a leading regional news website for Kent and Medway, providing daily news, sport, and entertainment. Established in 1999, it is part of

• A Ambition Services Limited London · Demolition · 1-9 employees

  Ambition Services Ltd offers reliable waste removal and waste management services in London. We provide efficient, eco-friendly solutions for all your

• A Ambleside Homes (Galtres) Ltd York · Main contractor · 1-9 employees

  Ambleside Homes (Galtres) Ltd is a main contractor company based in York, registered at Companies House in 2017.

• A Ambleside Homes (Sparrow 2025) Ltd York · Main contractor

  Ambleside Homes (Sparrow 2025) Ltd is a main contractor company based in York, registered at Companies House in 2025.

• A Ambr Developments Ltd Guildford · Main contractor · 1-9 employees

  AMBR Developments is a trusted construction company in Guildford, Surrey, with over 35 years of combined experience in residential and commercial buil

• A Ambrey Baker Industrial Solutions Ltd Sleaford · Main contractor · 10-49 employees

  Ambrey Baker delivers industrial construction solutions for food, logistics and manufacturing facilities across the UK.

• A Ambs Building Services Ltd London · Main contractor

  AMBS Building Services Ltd offers high-quality construction solutions, specializing in construction management, property renovation, and facility main

• A Amd Homes Ltd Ahoghill · Main contractor

  AMD Homes Ltd is an award-winning building contractor in Ballymena, Northern Ireland, specialising in building family homes. They offer design to buil

• A Ameresco Leeds · Solar PV

  Ameresco is a sustainability partner providing localised expertise and innovative energy solutions across the UK, leveraging advanced technologies for

• A Amex Construction London · Main contractor

  Amex Construction: Your trusted experts for all building needs. From new structures to renovations, we deliver superior results.

• A Amg Building Contractors Ltd Fareham · Main contractor

  AMG Building Contractors Limited is a construction company based in Fareham, Hampshire. They offer a range of building services.

• A Amg Construction Services Ltd Hoddesdon · Main contractor · 1-9 employees

  With over 50 years of experience, AMG Construction Services Ltd provides high-quality, efficient construction solutions across all project stages.

• A AMG Consultancy Manchester · Property developer

  AMG Consultancy provides surveying services, laboratory reports (mould, legionella, salmonella), and panel management for law firms.

• A Amicus Construction Ltd Aylesbury · Main contractor

  Amicus Construction is a jointly owned construction company operating mainly in the London area and surrounding counties. Primarily operating as a mai

• A Amiri Construction Ltd Fareham · Main contractor · 50-249 employees

  Amiri Construction is a privately owned construction business delivering high-quality design and build projects across the central south of England.

• A AML Highland Limited Inverness · Main contractor · 10-49 employees

  AML Highland is a family-run local business established in 2010, specializing in property repair, maintenance, insurance reinstatement, and general bu

• A AMLY East Grinstead · Main contractor

  AMLY are an established construction company focused on quality and attention to detail. They offer bespoke packages for new works, renovations, and a

• A Amp Construction & Groundworks Ltd Gwalchmai · Main contractor · 1-9 employees

  A family-run construction and groundworks company from Anglesey with over 40 years' experience in general construction and civil engineering across No

• A AMP ELECTRIC SOLUTIONS LTD London · Design & build

  AMP ELECTRIC SOLUTIONS LTD offers professional construction services in London, specialising in new builds, house extensions, renovations, and structu

• A Amphion Construction Ltd Dudley · Main contractor · 1-9 employees

  Amphion Construction is a leading construction company with 20 years of experience, offering a wide range of services to clients across various sector