Main contractors in London

1003 main contractors based in and around London.

• Q QuickLoft Ltd London · Refurbishment · 1-9 employees

  QuickLoft Ltd specializes in high-quality construction services, including new builds, refurbishments, loft conversions, and extensions. Contact us fo

• Q Quinn (London) Ltd London · Main contractor · 50-249 employees

  Quinn London is a leading construction company in London, founded in 2000. They offer end-to-end project delivery across diverse sectors, including he

• Q QV Construction Ltd London · Main contractor · 1-9 employees

  QV Construction Ltd is a premier construction company in London, offering expert services in North London. Contact us today.

• R R,S&R Ltd London · Main contractor

  R,S&R LTD is a construction company based in London, UK. Specialising in domestic building construction and site preparation.

• R Ra International Global Operations Ltd London · Design & build

  RA International provides integrated facilities management, construction, and supply chain services for remote locations, conflict areas, and challeng

• R Ram Man Group Ltd London · Main contractor · 1-9 employees

  Ram Man Group specialises in high-quality construction projects for commercial and residential properties across the South East, including large build

• R Rammehar Construction Ltd London · Main contractor

  Rammehar Construction Ltd offers comprehensive construction solutions across the UK, specialising in residential, commercial, and industrial projects

• R Rapid Build Ltd London · Main contractor

  Rapid Build Ltd. Construction Services. One Destination - Flawless Execution.

• R Rash Construction Ltd London · Property developer

  Professional construction services in London. Specialising in residential and commercial projects, we are dedicated to excellence.

• R Rayyes Group Ltd London · Main contractor · 1-9 employees

  Rayyes Group is a dynamic and innovative organisation operating in several business fields, providing top-notch services and products. We build lastin

• R Redline Building Services Ltd London · Main contractor · 1-9 employees

  Reliable builders in London offering expert residential and commercial building services. Quality craftsmanship, timely delivery, and trusted professi

• R Reds10 (UK) Ltd London · Modular & offsite construction · 250+ employees

  Reds10 is revolutionising construction with Modern Methods of Construction (MMC). Discover how we deliver quality buildings faster, smarter & more sus

• R Refai Group UK Ltd London · Main contractor

  REFAI GROUP UK LTD is a British group specializing in energy, construction, transport, and logistics. They offer diverse services including petroleum,

• R Regal JNK Construction London · Main contractor · 1-9 employees

  Expert New Builds, Bespoke Extensions, and High-End Refurbishments tailored to your lifestyle. Delivering quality you can trust and finishes that insp

• R Regalis Construction Ltd London · Property developer

  Leading the way in green construction projects, we focus on environmentally friendly construction and sustainable building practices.

• R Reilly Civil Engineering Ltd London · Property developer

  Reilly Civil Engineering Ltd is a property developer company based in London, registered at Companies House in 2025.

• R Reix Accounting London · Main contractor · 1-9 employees

  Reix Accounting offers expert accounting services in UK, providing tailored financial solutions for businesses and individuals. contact us today

• R Reliance Building Construction Ltd London · Main contractor

  Reliance Building Construction Ltd offers a wide range of services for residential and commercial properties, focusing on trust, integrity, and reliab

• R Reltic London · Property developer

  Independent construction cost consultants for developers, funders and investors. Cost planning, quantities, procurement and final accounts, UK-wide.

• R Remki Recycle & Build Group CIC London · Main contractor

  REMKI RECYCLE & BUILD GROUP CIC is a Community Interest Company incorporated on 6 June 2025. The company's registered address is Flat 14, 654 Forest R

• R Rennovator Ltd London · Carpentry & joinery · 1-9 employees

  RENNOVATOR LTD is a new company based in London, UK. We are currently developing our online presence.

• R Renovation London Ltd London · Property developer

  Renovation London Ltd is a property developer company based in London, registered at Companies House in 2025.

• R Reporting Accounts London · Main contractor · 1-9 employees

  Reporting Accounts provides pay-as-you-go business intelligence reports, offering company credit reports and director information for UK companies.

• R Rhino Construction & Building Services Ltd London · Main contractor · 1-9 employees

  Rhino Construction & Building Services Ltd is a professional, reliable, and high-quality construction company with over 15 years of experience. They s

• R Richway Construction Ltd London · Main contractor

  Richway Construction Ltd is a main contractor company based in London, registered at Companies House in 2025.

• R Rillion UK London · Main contractor

  Rillion Developments Ltd is a leading construction company in London, UK, trusted by top European brands for residential and commercial projects. Expe

• R Ripe Solutions Ltd London · Main contractor · 1-9 employees

  Ripe Solutions is a London-based principal contractor specialising in design and build solutions for new builds, conversions, and refurbishments. They

• R River Construction Essex Ltd London · Main contractor · 1-9 employees

  River Construction is a building company operating across Essex, London, and East Anglia, delivering high-quality residential and commercial projects

• R Rockers World Ltd London · Main contractor · 1-9 employees

  Rockers World Ltd specializes in construction management, highway engineering, quality assurance, and landscaping projects. We deliver high-quality in

• R Ronesans Ltd London · Main contractor · 1-9 employees

  Ronesans Business Consulting and Purchasing Construction Materials Suppliers offers innovative and traditional consultancy, import/export, and sourcin

• R Roofing Contractors Ltd London · Main contractor

  Roofing Contractors Ltd is a main contractor company based in London, registered at Companies House in 2025.

• R Rope Access In London Services Ltd London · Main contractor

  Rope Access In London Services Ltd is a main contractor company based in London, registered at Companies House in 2026.

• R Rosguill Developments Ltd London · Main contractor · 10-49 employees

  Rosguill Developments Ltd is an established, award-winning contracting and building company based in London, Radlett, delivering bespoke, cost-effecti

• R Rs Construction And Property Services Ltd London · Main contractor · 10-49 employees

  RS Construction and Property Services Ltd delivers construction, refurbishment and property maintenance across East London and London. Established 201

• R Rsl Build Ltd London · Main contractor

  Rsl Build Ltd is a main contractor company based in London, registered at Companies House in 2025.

• R Rt Builders Ltd London · Main contractor

  RT Builders Limited - My Joomla CMS

• R Rumahn London · Main contractor

  Rumahn Group: Strategic Management Consulting. We engineer intelligent, ethical, and scalable systems that empower individuals, uplift communities, an

• R Russell Investments London · Main contractor

  Russell Investments is a global investment solutions partner, dedicated to helping institutions, advisors, and investors build better portfolios throu

• R Ryan’S Motorsport Centre Ltd London · Main contractor · 1-9 employees

  RYAN'S MOTORSPORT CENTRE LTD is a company registered in England. The company's website is currently unavailable due to security verification.

• S S.U. Construction Ltd London · Main contractor

  S.U. Construction Ltd is a main contractor company based in London, registered at Companies House in 2015.

• S Sa Properties Management Ltd London · Main contractor · 1-9 employees

  SA Properties Management Ltd is a newly established company based in London, England.

• S Sabi Home Improvements Ltd London · Refurbishment

  Sabi Home Improvements offers professional renovation, building, and property improvement services across England. We focus on quality craftsmanship a

• S Sacompany Ltd London · Main contractor

  SA Compagnie LTD is a company based in Côte d'Ivoire and England, specializing in construction, real estate development, and land asset management. A

• S Sagewood Ltd London · Main contractor · 10-49 employees

  Sagewood Limited, established 1987, offers international services in Agriculture, Mining & Construction, Power, and Laboratory & Medical sectors. Head

• S Sajha Property Services Ltd London · Main contractor · 1-9 employees

  Sajha Property Services Ltd offers high-quality construction, renovation, and interior solutions for homes and businesses in London. We focus on colla

• S Salus Constructions Ltd London · Main contractor · 1-9 employees

  Residential & commercial construction company established in 1990, offering bespoke homes, renovations, extensions, and full refurbishments. Trusted c

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

  Salvin Construction is a South-East England-based building contractor serving property developers with high-quality residential and mixed-use developm

• S Samson Capital London Ltd London · Main contractor

  Samson Capital London Ltd is a main contractor company based in London, registered at Companies House in 2017.

• S Samson Capital Southern Ltd London · Main contractor · 1-9 employees

  Samson Capital Southern Ltd is a main contractor company based in London, registered at Companies House in 2020.

• S Sandstone Structures Ltd London · Main contractor

  Trusted building contractors specialising in structural alterations and residential building works that reshape and elevate your home. Based in North