Main contractors in London

2659 construction main contractors based in and around London.

• B Bildex Ltd London · Refurbishment

  BILDEX LTD is a dynamic construction company offering a comprehensive range of services across the UK. We specialise in refurbishment, fit-out, and ne

• B BIR Homes London · House builder

  BIR Homes is a forward-thinking homebuilder established in 2025, combining advanced and traditional build methods with local materials to create quali

• B Birchley London · Main contractor

  Birchley is a design-focused construction company specialising in the delivery of outstanding private residences, transforming ambitious visions into

• B Birchley Homes Ltd London · House builder · 1-9 employees

  Birchley Homes Ltd is a property development and building contractor company based in Cambridgeshire, specializing in executive homes.

• B Bison Commercial Ltd London · Refurbishment

  Bison Works is a London-based construction company specialising in commercial refurbishment, development, and fit-out projects. They offer a client-fo

• B Bitri Ltd London · Main contractor · 1-9 employees

  Bitri Ltd is a leading construction company in Hendon, offering architectural solutions for dreams. With expert teams, we ensure quality craftsmanship

• B Black & Veatch (U.K.) Ltd London · Main contractor · 250+ employees

  Black & Veatch is a global engineering, procurement, consulting and construction company specializing in infrastructure development.

• B Black & White Brickwork Ltd London · Bricklaying · 1-9 employees

  Black & White Brickwork Ltd are professional builders in Greater London, offering brickwork excellence for new builds, extensions, conversions, bounda

• B Black Holding London · Main contractor

  Black Group is a premier holding company and diversified investment group operating across Iraq and Kurdistan. Multi-sector company specializing in co

• B Blackstone Construction Grp Ltd London · Main contractor

  Blackstone Construction offers high-quality building, refurbishment, and electrical services across London & the South East. Trusted craftsmanship, bu

• B Block Restoration Ltd London · Refurbishment

  Block Restoration offers expert external and internal refurbishment, restoration, and common parts works across the UK. Specialising in masonry, fire

• B Bloomsbury Construction Group London · Main contractor

  Bloomsbury Construction Group delivers luxury residential, hospitality and retail projects in prime central London, working with the finest architects

• B Bloomsbury Construction Group Ltd London · Refurbishment

  Bloomsbury Construction Group delivers luxury residential, hospitality and retail projects in prime central London, working with the finest architects

• B Blue Bull Construction Ltd London · Design & build

  Blue Bull Construction offers a design and build service for home extensions and improvements, aiming to add living space and increase property value.

• B Blue Crane Construction Ltd London · Extensions · 1-9 employees

  Blue Crane Construction Ltd is a leading construction company specializing in extensions and loft conversions. Contact us for your construction needs.

• B Blue Line Build London · Refurbishment · 1-9 employees

  Blue Line Build offers expert kitchen fitting, bathroom installation, and complete house refurbishment services across South London. Based in Carshalt

• B BLUE POINT CONTRACTORS UK LTD London · Painting & decorating · 1-9 employees

  Blue Point Contractors UK Ltd offers property maintenance services including plastering, decorating, plumbing, tiling, flooring, and bathroom fitting

• B Bluestone State London · Extensions

  Extensions, loft conversions, and full refurbishments across London. Transparent pricing and 24+ years experience. CHAS accredited.

• B Blueteam Group Ltd London · Landscaping · 1-9 employees

  Blueteam Group Ltd is a landscaping company in Wandsworth, offering garden design, decking, patios, artificial grass, and more. Established in 2012, t

• B Bm Paramount Consultancy Ltd London · Design & build

  BM Paramount Consultancy Ltd delivers residential construction, property management, architectural services, and specialist staffing.

• B Boarway Builders Ltd London · Main contractor · 1-9 employees

  Boarway Builders is a London-based construction business specializing in domestic builds, offering high-quality services for renovations and new home

• B Bold Construction Ltd London · Plumbing · 1-9 employees

  Bold Construction offers comprehensive property maintenance and construction solutions, specializing in plumbing, carpentry, tiling, painting, and ele

• B Bonnd Ltd London · Refurbishment

  Discover expert property renovation services with Bonnd Ltd across London. Specializing in house extensions, loft conversions, and full home refurbish

• B Borz Construction Ltd London · Design & build · 1-9 employees

  BORZ CONSTRUCTION LTD specialises in Architectural Design and Construction services across London, collaborating with top Interior Design practices. W

• B Bota Group Ltd London · Main contractor · 1-9 employees

  Bota Group Ltd, a London-based construction company founded in 2017, has rapidly built a reputation for quality and customer satisfaction, specializin

• B Bourne Management & Building Ltd London · Main contractor · 1-9 employees

  Bourne Management & Building is a main contractor based in Islington, London N1, delivering house renovations, loft conversions, extensions and commer

• B Bovis Consulting (Europe) Ltd London · Main contractor

  We build enduring partnerships, bringing together the right expertise, the right capabilities and the right resources to deliver complex projects.

• B Bower Studio London · Carpentry & joinery

  Bower Studio specialises in design-led timber structures, bespoke joinery, and interior fit-outs, founded by carpenters and architects.

• B Box3 Projects Ltd London · Fit-out & interiors · 1-9 employees

  Specialist commercial fit-outs in London. Designed, built, delivered.

• B Bps Construction Design&Build Ltd London · Refurbishment · 1-9 employees

  Building contractors in London specialising in house renovations, extensions, roof installations and loft conversions. Get Your Free Quote!

• B Br Structures Ltd London · Site clearance

  BR Structures is a construction partner offering dynamic and innovative services including Site Set Up, Hoarding, Enabling Works, Temporary Works, Gro

• B Brada Construction Ltd London · Refurbishment · 1-9 employees

  Welcome to Brada Construction. We provide top-quality building services in North London, from remodels to new constructions. Trust us for precision, e

• B Braka Construction Group Ltd London · Main contractor · 1-9 employees

  Leaders in quality construction. Braka Construction Group provides professional solutions to deliver safe & efficient projects with integrity and trus

• B Braka Construction Ltd London · Fencing · 1-9 employees

  Braka Construction Ltd offers fencing, roofing, guttering, and general building services in London with over 17 years of experience. They focus on qua

• B Brando Wandsworth Ltd London · Refurbishment · 1-9 employees

  Brando Wandsworth Ltd offers home improvement and construction services with over 12 years of experience. Specializing in painting, decorating, kitche

• B Brati Construction Ltd London · Main contractor

  Brati Construction is a London-based general contracting company committed to delivering high-quality construction and renovation solutions with trans

• B Bravo London · Main contractor · 1-9 employees

  Bravo Construction Management specialises in meticulously managing high-end residential projects, offering unparalleled personalised project managemen

• B Bravo London Ltd London · Carpentry & joinery · 10-49 employees

  Bespoke fitted wardrobes, kitchens, and interior design services in London. Custom furniture, renovations, and new build interiors by Bravo London.

• B Brawex Ltd London · Refurbishment

  Brawex Limited delivers expert refurbishment, loft conversions, extensions and property development across the UK. 28+ years of construction excellenc

• B Brecons Design & Build Ltd London · Design & build · 1-9 employees

  Brecons Design & Build is a luxury design and build company in London, offering high-quality construction across residential, commercial, and industri

• B Bregaj Decorations Ltd London · Refurbishment · 1-9 employees

  Bregaj Decorations Ltd is a trusted renovation company in Palmers Green, North London, offering expert refurbishments & high-quality finishes.

• B BREL Facades London · Cladding

  BREL Facades is a building envelope specialist contractor, offering a single point of responsibility for the entire external envelope, from design and

• B Brent General Construction Ltd London · Roofing · 1-9 employees

  Brent General Construction Ltd offers high-quality construction and roofing services across London and the Home Counties, specializing in bespoke resi

• B Brick Builder Ltd London · Bricklaying

  Brick Builder Limited is a trusted construction company offering reliable, affordable, and fast building services. With over 200 successful projects a

• B Brickcraft Contractors Ltd London · Main contractor · 1-9 employees

  Brickcraft Contractors is a leading construction company with a team of skilled construction builders. Contact us for your next project!

• B Brics Development Ltd London · House builder · 1-9 employees

  BRICS develops and builds sustainable, design-led new homes and neighbourhoods across the South and South East of England, focusing on integrity, beau

• B Bright Builders Ltd London · Refurbishment · 1-9 employees

  Bright Builders Ltd is a trusted building company for home improvements and property renovations across North London in Enfield, Walthamstow & Wanstea

• B Bright Forest London · Timber frame

  Bright Forest Construction Limited, UK partner of NUR-HOLZ, specialises in green, healthy homes using sustainable timber systems and natural insulatio

• B Bright Projects Group Ltd London · Design & build · 1-9 employees

  Bright Projects specialises in bespoke workspace construction, offering a one-stop, director-led approach to quality and client dedication for refurbi

• B Bright Works Maintenance London · Refurbishment

  Bright Works Maintenance offers top-quality construction services for commercial and residential clients across England & Wales, with over 50 years of