Subcontractors in London

3168 construction subcontractors based in and around London.

• S Second City Roofing And Guttering Ltd London · Roofing

  Delivering professional roofing and guttering solutions with precision and care. We use premium materials and expert techniques to protect your proper

• S Secure Plumbing And Drainage Ltd London · Plumbing

  Secure Plumbing and Drainage offers expert drainage and plumbing services in Chelmsford, Essex. Specialising in blocked drains, CCTV surveys, and emer

• S SecureOptics London · Security systems

  SecureOptics provides bespoke, integrated security solutions including CCTV, access control, intruder alarms, and networking for homes and businesses.

• S Securum London · Security systems · 1-9 employees

  Securum offers professional and certified security, alarm protection installation and maintenance services throughout London and Essex in the UK.

• S Segger Construction London · Drylining

  Segger Construction is a London-based company offering construction, refurbishment, fit-out and specialist interior services for residential, commerci

• S Selcom Building Services Ltd London · Loft conversions · 1-9 employees

  Selcom Building Services Ltd offers expert building services including loft conversions, extensions, kitchens, bathrooms, plumbing, electrical, roofin

• S SELECT ENGINEER LIMITED London · Heating & ventilation · 1-9 employees

  Heating engineers, Plumbers and Electricians in London & Kent. Offering boiler installation, repair, servicing, plumbing, and electrical fault finding

• S SENAY BUILDERS LTD London · Refurbishment

  Senay Builders is a family-run construction company based in South East London, specialising in complete property refurbishments, extensions, and loft

• S Sentinel Arc Fire & Security Ltd London · Fire protection

  Protect your assets with our fire and security services. Explore trade partnerships for discreet support.

• S Sentinel Design & Build London · Design & build · 1-9 employees

  Sentinel Design & Build offers a wide range of services including home extensions, loft conversions, kitchens, bathrooms, and refurbishments. They hav

• S Sentinel Roofing London · Roofing

  Sentinel Roofing offers comprehensive roofing services including repairs, new roofs, slating, tiling, flat roofs, leadworks, chimney and guttering rep

• S Sentinel Water Services Ltd London · Waterproofing

  Sentinel Water Services Ltd offers Legionella risk assessments, water hygiene compliance, and water sampling. We also provide expert plumbing solution

• S Sergyo Constructions Ltd London · Bricklaying · 1-9 employees

  Sergyo Constructions: Reliable East London builders specializing in bricklaying, tiling, and structural renovations. Get a free quote today.

• S Serve My Home London · Heating & ventilation · 1-9 employees

  Professional power flushing, boiler installation, and air conditioning services in London and surrounding areas. Gas Safe & F-Gas certified engineers.

• S Servicium Ltd London · Electrical

  Servicium installs and maintains data networks for Internet, wifi, CCTV and more, solving problems for complex commercial, industrial and rural sites.

• S Ses Electrical Contractors (UK) Ltd London · Electrical

  SES designs, installs, tests and maintains fire alarm, emergency lighting and life-safety systems, alongside electrical inspection, testing and compli

• S Set & Build Ltd London · M&E contracting · 1-9 employees

  London based team of experienced engineers with expertise in setting out, surveying, quality assurance, management and construction. Offering top qual

• S Sfarzo Ltd London · Steel fabrication

  Sfarzo fabricates bespoke steel windows, doors & architectural metalwork across the UK. Fire-rated, arched & custom solutions. Get your free quote in

• S Sfb Interior Refurbishment Ltd London · Refurbishment · 1-9 employees

  With over 15 years of experience in residential refurbishment in London, we help homeowners transform their properties through carefully planned renov

• S Sfdinstallations Ltd London · Fire protection · 1-9 employees

  SFD Installations Ltd delivers certified fire door installation, replacement, and remedial works across London and the UK, supporting housing associat

• S Sfir Exterior Coatings Ltd London · Cladding

  Professionally repairing blown render, damaged walls, pebbledash and traditional brickwork in Camberley, Surrey.

• S Sg Civils Ltd London · Civil engineering · 1-9 employees

  SG Civils is a specialist civil engineering contractor focusing on EV charging infrastructure, highways, telecoms, and utility projects across London

• S SGROUND London · Carpentry & joinery · 1-9 employees

  Sground offers bespoke carpentry services including wardrobes, MDF units, fire doors, wooden entrance doors, sheds, fencing, and wooden/laminate floor

• S Sh Brickwork Ltd London · Bricklaying · 1-9 employees

  SH Brickwork are specialists in brickwork, paving & landscaping. We cater for commercial & domestic customers in London & surrounding counties.

• S Sh&M Steel Fixing Ltd London · Steel fabrication · 1-9 employees

  SH&M Steel Fixing offers the highest and most professional standards in steel fixing services for residential, civil and commercial projects and works

• S Shapeup Constructions Ltd London · Insulation · 1-9 employees

  ShapeUp Constructions LTD specialises in External Wall Insulation (EWI) and Silicone Rendering, enhancing energy efficiency and aesthetics for residen

• S Shargar Construction Ltd London · Refurbishment · 1-9 employees

  Specializing in transforming London homes through high-quality home improvement services. We offer expert solutions for extensions, loft conversions,

• S Shc London Ltd London · Refurbishment

  SHC London offers full-service building work-extensions, renovations, kitchens, bathrooms, carpentry, painting and decorating, and more. Trusted build

• S Shehu Scaffolding Ltd London · Scaffolding

  Shehu Scaffolding is a leading scaffolding company based in London, providing reliable and safe scaffolding solutions for residential, commercial, and

• S Sherlow Electrical London · Electrical

  Sherlow Electrical LTD offers trusted, competitive, and exceptional electrical services including design, installation, fault finding, and emergency c

• S Shield Window Film Ltd London · Glazing · 1-9 employees

  Professional Grade Window Film Company, Shield Window Film. Nationwide installers of window films to commercial, retail & residential sectors.

• S Shm Contractors Ltd London · Groundworks

  SHM Contractors Ltd, specialists in groundworks, RC frame and civil engineering solutions, delivering durable and sustainable structures in London.

• S Shorts Lifts London · Lifts & escalators · 1-9 employees

  Shorts Lifts, established in 1945, is a leading supplier of premium lift equipment and services for lift professionals across the UK and Ireland. They

• S SHR London Ltd London · Loft conversions · 1-9 employees

  SHR London Ltd offers a comprehensive range of building services including loft conversions, extensions, carpentry, kitchen and bathroom fitting, and

• S Shurlock Homes Ltd London · Windows & doors · 1-9 employees

  Professional window and door installation, replacement and repair services across Bournemouth, Southampton and surrounding areas. FENSA approved.

• S Sibex Ltd London · Drainage · 1-9 employees

  Sibex Ltd offers a comprehensive range of services including drainage, groundworks, structural steel, diamond drilling, concrete cutting, and controll

• S Sice Previt UK Ltd London · Main contractor · 1-9 employees

  Sice Previt UK Ltd is a construction and furniture manufacturing company with a history dating back to 1961. They offer integrated services from desig

• S Sicilbuild Ltd London · Refurbishment

  Professional Home Builders in London. SicilBuild offers home improvement services including renovations, extensions, loft conversions, and more. Exper

• S Sideros Waste & Demolition London · Demolition

  Your trusted partner for rapid waste management and demolition services across London, serving contractors, homeowners, and businesses within the M25.

• S Sigma Screed Ltd London · Flooring · 1-9 employees

  Sigma Screed & Underfloor Heating are a leading floor screeding contractor, specialising in liquid screed, sand and cement screed, and underfloor heat

• S SIGNATURE BLUE LTD London · Plumbing · 1-9 employees

  Signature Blue is a family-run business based in Muswell Hill, North London, providing high standards of service since 2008. Known for reliability and

• S SIGUV London · M&E contracting

  24/7 emergency and planned commercial maintenance in London. HVAC, electrical, plumbing and building fabric repairs for restaurants, retail and office

• S Silva Builders Ltd London · Refurbishment · 1-9 employees

  Silva Building Services Ltd is an established construction, refurbishment, and maintenance specialist. We offer a wide range of services for residenti

• S Silver Roofing Ltd London · Roofing · 1-9 employees

  Silver Roofing Ltd is a UK-based company specializing in roofing services. Currently, their website is under development or experiencing technical iss

• S Silwood Facilities Ltd London · Refurbishment · 10-49 employees

  Silwood Facilities provides first-class building support services to major UK blue-chip companies, focusing on exceptional service levels, transparenc

• S Sim Scaffolding Ltd London · Scaffolding

  SIM Scaffolding offers safe, reliable, and cost-effective scaffolding solutions for construction, renovation, and maintenance projects across London &

• S Simicus Construction Ltd London · Refurbishment · 1-9 employees

  Simicus Construction offers expert commercial and residential refurbishments, fit-outs, and high-quality craftsmanship across London.

• S SIMPLED SERVICES LTD London · Main contractor · 1-9 employees

  Expert mould removal and property maintenance across London and the UK. 8,500+ jobs completed, 12-month guarantee, available 24/7. Get your free quote

• S Simplex Electrical Ltd London · Electrical · 1-9 employees

  Simplex Electrical is your trusted electrical service provider based in Greater London. Contact us for emergency electricians in London.

• S Simply Extensions and Lofts Limited London · Loft conversions · 1-9 employees

  Specialists in Loft and House Extensions, Refurbishments and Loft Dormer Conversions in London, Surrey and Hampshire. Aim to Deliver High Quality...