Main contractors in London

1003 main contractors based in and around London.

• S Sardar Ji Construction London · Main contractor · 1-9 employees

  Sardarji Construction is a reliable building construction company in London, specializing in high-quality design and construction for extensions, roof

• S Sase Construction Ltd London · Main contractor · 1-9 employees

  SASE Construction Ltd is a family-run construction company with over 20 years of expertise, offering comprehensive building solutions from foundations

• S Scrubs Group London · Main contractor · 10-49 employees

  Scrubs Group is a diversified construction company operating as a Principal Contractor, with specialist divisions in MEP and data centre cleaning. The

• S Scrubs Mep Ltd London · Property developer · 1-9 employees

  Scrubs Mep Ltd is a property developer company based in London, registered at Companies House in 2023.

• S Sde Construction Ltd London · Main contractor · 1-9 employees

  SDE Construction Ltd offers building services for every need, focusing on controlling costs, adequate scheduling, and understanding client requirement

• S Seba Services Inc Ltd London · Flooring · 1-9 employees

  UK-based Seba Services Inc. Ltd. offers specialized construction services including Raised Access Flooring, General Building, Landscaping, and Buildin

• S Sec Data Centre Infrastructure Ltd London · Main contractor · 1-9 employees

  SEC Data Centre Infrastructure Ltd is a new company focused on data centre infrastructure.

• S Selecti Project Ltd London · Main contractor · 1-9 employees

  SELECTI PROJECT LTD offers construction, design, and project management consultancy services for small-to-medium scale residential and commercial proj

• S Selfridges Properties Ltd London · Main contractor · 50-249 employees

  Selfridges Properties Limited offers commercial and residential building services in London and the UK, specializing in new builds, refurbishments, an

• S Send A Trade Ltd London · Main contractor

  Send A Trade Ltd is a main contractor company based in London, registered at Companies House in 2023.

• S Seqbuild Ltd London · Main contractor · 1-9 employees

  SEQBUILD LTD is a construction company that provides skilled labour for projects. They specialise in connecting companies with the right professionals

• S Seymour Pope London · Main contractor · 1-9 employees

  Seymour Pope is a leading independent performance car dealership in the UK, specialising in used performance cars and importing rare prestige models.

• S Sgb Construction Ltd London · Main contractor · 1-9 employees

  Sgb Construction Ltd is a main contractor company based in London, registered at Companies House in 2019.

• S Shall Do Crown Street Ltd London · Main contractor

  Shall Do Crown Street Ltd is a main contractor company based in London, registered at Companies House in 2019.

• S Shall Do Real Estate Holdings UK 2 Ltd London · Main contractor

  Shall Do Real Estate Holdings UK 2 Ltd is a main contractor company based in London, registered at Companies House in 2021.

• S Shall Do Stoke Road Ltd London · Main contractor · 10-49 employees

  Shall Do Stoke Road Ltd is a main contractor company based in London, registered at Companies House in 2019.

• S Sharp Projects London Ltd London · Main contractor · 1-9 employees

  Sharp Projects London Ltd is a construction company offering a wide range of services from planning to completion, including new builds, extensions, r

• S Shm Uks Ltd London · Main contractor · 1-9 employees

  SHM UKS LTD is a premier construction firm in London, specializing in domestic and commercial projects. We offer comprehensive services from concept t

• S Shuang Yun Building Contractor Ltd London · Main contractor · 10-49 employees

  A privately owned construction company offering extensive building services with over 18 years of experience. Committed to high quality projects and c

• 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 Simbaz Group UK Ltd London · Main contractor · 10-49 employees

  Simbaz Group Limited is a UK-based construction, logistics, self-storage, skip hiring and waste management company.

• 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 Singhs Builders (London) Ltd London · Main contractor · 1-9 employees

  A reputable, family-owned construction company with over 21 years of experience in the industry. Based in London, we specialize in delivering high-qua

• S Size Group (Construction) Ltd London · Main contractor · 50-249 employees

  Size Group is a collection of companies providing high-quality construction, specialist crafts, and maintenance services for luxury private properties

• S SKYHALL GROUP London · Design & build · 1-9 employees

  Award Winning Design & Build Contractors & Developers based in Hertfordshire. We add value to our clients aspirations and vision, and transform their

• S Skyline Construction Group Ltd London · Main contractor · 1-9 employees

  Skyline Construction Group is a leading construction company delivering high-quality, innovative solutions across residential and commercial projects.

• S Sland Group London · Main contractor

  Sland Group is a privately held group of companies, a family of specialists covering the entire property lifecycle. Investing selectively beyond prope

• S Slate & Cedar Homes London · Refurbishment

  Slate & Cedar Homes is a UK-based construction company specializing in custom builds, bathroom remodels, basement waterproofing, and full-scale refurb

• S Sm Construction Industrial Ltd London · Main contractor

  Professional commercial and residential construction, renovation, and project management services across the United Kingdom.

• S Smart Build London London · Main contractor · 1-9 employees

  London building company specializing in loft conversions, house extensions, bathroom and kitchen fitting and other residential and commercial refurbis

• S Smart Builders Construct Ltd London · Main contractor

  Smart Builders Construct Ltd is a new construction company based in London, offering a range of building services. Contact us for a consultation.

• S Smart Builders Ltd London · Main contractor

  Smart Builders Ltd is a main contractor company based in London, registered at Companies House in 2013.

• S Smart Building Southeast Ltd London · Main contractor · 1-9 employees

  SMART BUILDING SOUTHEAST LTD is a company registered in England. The website is currently displaying a placeholder page.

• S Smart Home Design And Construction Ltd London · Main contractor · 1-9 employees

  Smart Home Design And Construction Ltd is a main contractor company based in London, registered at Companies House in 2017.

• S Smart Property Investment Kd Ltd London · Main contractor

  Smart Property Investment Kd Ltd is a main contractor company based in London, registered at Companies House in 2025.

• S Smooth Roof Ltd London · Main contractor · 1-9 employees

  Smooth Roof Ltd is a main contractor company based in London, registered at Companies House in 2024.

• S Smoove Build Ltd London · Property developer · 1-9 employees

  Smoove Build Ltd is a property developer company based in London, registered at Companies House in 2023.

• S Snew Property Investment London · Property developer

  Snew Property Investment Limited offers comprehensive real estate development and construction services, specializing in sourcing, acquiring, managing

• S So Constructions Ltd London · Main contractor

  So Constructions Ltd provides trusted domestic building and renovation services with premium workmanship and on-time delivery.

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

  SoftBrooks Limited is a multi-disciplinary technology and telecoms services provider offering cutting-edge digital solutions for organisations looking

• S Softwood Beech Ltd London · Main contractor · 1-9 employees

  Reliable, high-quality construction & renovation services across London. Softwood Beech Ltd is a trusted London-based company renowned for craftsmansh

• S Solmaz Construction London · Refurbishment · 10-49 employees

  Solmaz is a London construction company delivering residential refurbishment, commercial fit-out and bespoke joinery. Explore our portfolio of complet

• S South Constructions Ltd London · Main contractor · 10-49 employees

  South Constructions is a London-based construction company offering professional services for commercial and residential projects, including remodelin

• S Southdowns Construction Ltd London · Main contractor · 1-9 employees

  Southdowns Construction Ltd. is a London-based construction company specializing in New Builds and Full House Renovations. They offer a multi-discipli

• S Space Formation Ltd London · Main contractor · 1-9 employees

  Space Formation LTD is a premier construction company offering comprehensive solutions from design to execution. We focus on safety, efficiency, and c

• S Spectrum Home Renovations Ltd London · Main contractor

  Spectrum Home Renovations Ltd is a main contractor company based in London, registered at Companies House in 2026.

• S Spire Healthcare Properties Ltd London · Main contractor · 50-249 employees

  Spire Healthcare is a leading independent hospital group in the UK, providing diagnostics, inpatient, day case and outpatient care across 38 hospitals

• S Spot Property Company Ltd London · Main contractor

  Spot Property Company Ltd is a main contractor company based in London, registered at Companies House in 1993.

• S Sputnik Tv Ltd London · Security systems · 1-9 employees

  Sputnik TV Ltd offers comprehensive TV installation, CCTV systems, door entry, and network solutions across London. Specializing in home cinema, custo

• S Square One London · Main contractor

  Global recruitment specialists in Blockchain, Development, Cloud, Gaming, ERP, Oracle, SAP, Life Sciences, Utilities, and Telecom. Over 30 years of ex