Subcontractors in London

3168 construction subcontractors based in and around London.

Co & Builder Ltd. London · Carpentry & joinery · 1-9 employees
Co & Builder Ltd offers expert carpentry, joinery, and window installation for commercial and residential projects. Specialising in high-quality finis
Coastline Windows Ltd London · Windows & doors
Coastline Windows Ltd are trusted double glazing installers in Bridgend, supplying and fitting energy-efficient uPVC windows, aluminium windows, compo
Code Electrical Ltd London · Electrical · 1-9 employees
MCS-accredited electrical and mechanical contractor specialising in Solar PV, Battery Storage, EV Chargers for residential, commercial, and industrial
Codeex Maintenance London · Main contractor · 1-9 employees
Award-winning property maintenance and construction services in London. Handyman, carpentry, decorating, electrics, and more. Same-day & emergency ser
Colas Rail Ltd London · Rail infrastructure · 250+ employees
Colas Rail delivers expert design, engineering, project management, construction and maintenance solutions across the rail industry.
Cold Rooms Direct London · M&E contracting
Cold room installation across the UK from £6,000. Walk-in chillers, freezer rooms & bespoke cold storage. F-Gas certified engineers. Free site survey
Colin’S Brickwork Ltd London · Bricklaying
Colins Brickwork is a trusted construction company in London offering expert brickwork, extensions, and quality bricklaying services at affordable pri
Colosseum Property Services Ltd London · Bathroom fitting · 1-9 employees
Bathroom and Boiler Installation services in London. We offer expert plumbing, heating, and boiler services with a personal touch, quality, and care.
ColourHaus London · Painting & decorating · 1-9 employees
Yorkshire's specialists in kitchen refinishing, uPVC spray painting, and furniture spraying. Factory-quality finishes with 5-10 year guarantees. Free
Comast Construction Ltd London · Main contractor · 10-49 employees
Comast Construction are specialists in building and civil engineering works and services, including maintenance aftercare, for both the commercial and
ComfySeal Ltd London · Insulation
ComfySeal Ltd offers professional loft insulation and spray foam removal services across the UK, focusing on energy efficiency and homeowner comfort.
COMMERCIAL GAS SAFETY CERTIFICATES LTD London · Heating & ventilation
Commercial gas safety certificates in London. We provide a range of gas safety certificates including CP17, CP42, and CP44 for various commercial appl
Compass Glass Ltd London · Glazing · 10-49 employees
Compass Glass Ltd is the designer, manufacturer and installer of the Sunvista, minimally framed sliding door system and has been trading from the same
Complete Highways Ltd London · Road surfacing · 1-9 employees
Complete Highways is a leading independent surfacing contractor in South East England, offering 24/7 services with a focus on quality, reliability, an
Complete Repairs Ltd London · Windows & doors
Complete Repairs Ltd offers specialized PVC and aluminum window and door repair services in London. Our experienced professionals provide affordable e
Complete Shutters and Blinds London · Windows & doors
Complete Shutters and Blinds are a leading supplier and installer of bespoke Plantation Shutters and Window Blinds in London and Essex.
Complete Solar Energy Ltd London · Solar PV · 1-9 employees
Discover Complete Solar Energy Ltd in Romford. 10 years of experience. 2,000+ installations. Delivering expert solar solutions for homes and businesse
Conarg Ltd London · Refurbishment · 1-9 employees
Conarg Ltd is a dynamic construction company established in 2008, specializing in refurbishment works for main contractors across social housing, educ
Concept 3 Construction Ltd London · Roofing
Concept 3 Construction is a leading roofing and refurbishment company in London, offering waterproofing, landscaping, and groundwork services for resi
Concept Mobility Ltd London · Bathroom fitting
Concept Mobility are local Access Bathrooms Reading, Bathrooms Ascot and Wet Rooms Windsor based experts who have years of experience within the indus
Conceptual Designs Ltd London · Design & build
Conceptual Designs Ltd, interior architecture, spatial design and decorating for new-build residential. Spray-applied and fire-retardant coatings, spe
CONCRETE PRINTED CONTRACTORS LTD London · Driveways & paving
Pattern stamped concrete driveways & patios across Kent. Local installers, 10-year guarantee, free quotes within 1 hour.
Conduct Construction Ltd London · Heating & ventilation · 1-9 employees
Conduct Construction LTD is a family-run business established in 1999, specializing in heating, plumbing, gas, and refrigeration services in London. T
Conlon Contracts Ltd London · Main contractor · 1-9 employees
Conlon Contracts is a main contractor for art logistics companies, galleries, and museums, offering bespoke solutions for storage, exhibition, and fit
Connaught Plumbing and Heating Ltd London · Plumbing
Connaught Plumbing and Heating Ltd offers expert plumbing and heating services with a focus on affordability, customer service, and expertise. With ov
CONNECTIVE DATA SOLUTIONS London · Electrical
Infrastructure for the Next Generation of Connectivity. Connect. Build. Certify. Structured cabling, fibre optic installation, infrastructure testing.
Connors & Sons Ltd London · Roofing
Connors & Sons Ltd provides professional roofing, driveway and patio services across Bournemouth, Poole and Dorset. Quality workmanship, reliable serv
Constfix Ltd London · Refurbishment · 1-9 employees
ConstFix UK offers professional building repairs, maintenance, and construction services. Trusted experts for both residential and commercial projects
Construct Now Ltd London · Loft conversions · 1-9 employees
Construct Now Ltd specialises in loft conversions, extensions, refurbishments, roofing, flooring, brickwork, and general building services in London.
Construction Investment Project Ltd London · Fit-out & interiors · 1-9 employees
London fit-out, shopfitting and refurbishment contractor for commercial interiors across London and the South East.
Construction Logistics Group Ltd London · Main contractor · 10-49 employees
Construction Logistics Group provide a complete solution to ensure safe, sustainable and timely delivery for your construction project, all at a fixed
Construction Muzzy Ltd London · Groundworks · 1-9 employees
Construction Muzzy Limited is a leading company, delivering quality construction services all across UK. Specialising in groundworks and civil enginee
Construction Of A Dream Ltd London · Refurbishment · 1-9 employees
COFAD provides construction, renovation, extensions, loft conversions, plumbing, electrical and property improvement services across Greater London.
ConstructionRR London · Refurbishment · 1-9 employees
ConstructionRRltd offers a comprehensive range of construction and renovation services, specializing in full renovations, electrical, gas, and plumbin
Constructya Ltd London · Bathroom fitting
Constructya Ltd is a trusted building contractor in London, specialising in bathroom and kitchen installations, landscaping, painting, plumbing, and h
Consttruction Ltd London · Groundworks · 1-9 employees
CONSTTRUCTION LTD supplies temporary construction workers for site labour, trades, groundworks, refurbishment, and fit-out projects.
Continuity Audio Visual London · Electrical · 1-9 employees
Continuity Audio Visual provides digital, audio, and visual solutions for corporate, retail, and residential clients, focusing on bespoke, reliable te
COOL AND PLUMB LTD London · Carpentry & joinery
Cool & Plumb: Your trusted construction staffing partner, providing specialized temporary employment solutions with skilled workers from Eastern Europ
CoolHeat Experts London · Heating & ventilation
CoolHeat Experts Ltd provides expert air conditioning and heat pump installation, servicing, and repair for residential and commercial clients across
Cor Domi Ltd London · Kitchen fitting
Cor Domi designs, crafts, and installs bespoke kitchens and joinery for homes. Specialists in high-end residential projects, they offer a seamless ren
Corinium Power London · Utilities · 1-9 employees
Corinium Power is an LRQA NERS-accredited Independent Connection Provider (ICP) delivering electricity, water, gas and broadband connections across th
Cork Spray South West London · Insulation · 1-9 employees
Insulation contractor and paint spraying in Exeter, Newton Abbot, Exmouth, Sidmouth, Dawlish, Teignmouth and across Devon & Cornwall.
Corva Plumbing & Heating London · Plumbing
Corva Plumbing & Heating is the trading name of Corva Ltd, providing local plumbing and heating services across North Wales, Chester & Liverpool. Offe
Cosier Heat Ltd London · Heating & ventilation
Switch to a heat pump with Cosier. Our experienced team designs and installs MCS Certified heat pump systems tailored to your home, with grants availa
Cosy Flow Ltd London · Heating & ventilation
London's specialist in hidden ducted systems, split AC and MVHR. Quiet, efficient, and installed by experts.
Cosy Home Builders 48 Ltd London · Refurbishment
High-End Builders in London offering plastering, dry lining, decorating, tiling, and full house/flat refurbishments. Serving London, Kent, and Essex.
Cota Construct Ltd London · Refurbishment
Cota Construct offers reliable building, renovation, and property improvement services for residential and commercial projects across the UK. We focus
County Roofing and Building London · Roofing
County Roofing and Building offers expert roofing services in London, Tottenham & Enfield, including chimney repairs, roof repairs, and new installati
Cousins Ltd London · Painting & decorating · 50-249 employees
Cousins Limited is a trusted painting and decorating subcontractor in the South of England, known for quality, collaboration, and reliability since 19
Couzens Construction Projects Ltd London · Design & build · 1-9 employees
Couzens Construction Projects Ltd offers a comprehensive range of building services including design and build, new developments, refurbishments, and

Subcontractors in London

Live project visibility for contractors