Main contractors in London

1942 main contractors across London.

• M Mitside Construction Sunbury On Thames · Main contractor · 10-49 employees

  Experienced and reliable builders since 2002, providing professional solutions for safe and efficient projects. Known for quality, reliability, and cl

• M Mizen Construction Ltd Old Isleworth · Property developer · 10-49 employees

  Mizen is a leading privately owned property developer and construction business based in London, founded in 1986. They have completed over 100 develop

• M Mj Construction And Design Ltd London · Loft conversions · 1-9 employees

  MJ Construction and Design is a complete package building company based in North West London, with extensive experience in high-end projects across th

• M Mjc Construction & Refurb Ltd North Cheam · Main contractor · 1-9 employees

  MJC Construction provide sustainable refurbishment to improve the EPC ratings of your warehouse, industrial and commercial office properties.

• M Mmt Contractors Ltd London · Main contractor · 1-9 employees

  MMT Contractors Ltd offers high-quality construction services for residential and commercial projects. With a reputation for excellence, reliability,

• M Mobilynx Projects Ltd Gravesend · Main contractor · 1-9 employees

  Mobilynx Projects offers comprehensive site coordination and facility management, transforming construction challenges into streamlined successes with

• M Moduform Construction Ltd Orpington · Property developer · 1-9 employees

  Moduform Construction Ltd is a UK building development practice based in Orpington, established 2021. We undertake residential, mixed-use and commerci

• M Mol Construct Ltd Waltham Cross · Main contractor · 1-9 employees

  Mol Construct Ltd is a main contractor company based in Waltham Cross, registered at Companies House in 2024.

• M Montway Ltd Rickmansworth · Design & build · 10-49 employees

  Montway are experts in new build construction and refurbishment projects, active in both the commercial and residential sectors, developing hi-tech ho

• M Monty's Builders London · Main contractor · 1-9 employees

  London-based builders and maintenance agency. Renovation, extensions, electrical, plumbing, heating and roofing, delivered with craftsmanship and reli

• M Morgan Sindall Construction & Infrastructure Ltd London · Main contractor · 250+ employees

  Morgan Sindall Group plc is a leading UK construction and infrastructure company. We operate across a range of sectors, delivering complex projects wi

• M Mori Construction Ltd London · Main contractor · 1-9 employees

  Mori Construction Limited supplies top quality people of all trades and skills for projects across the construction industry. Offering construction ma

• M Moro Build Ltd London · Main contractor · 1-9 employees

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

• M Mount Anvil Ltd London · Main contractor · 50-249 employees

  Mount Anvil Ltd is a main contractor company based in London, registered at Companies House in 1992.

• M Mountain View Builders Ltd Croydon · Main contractor · 1-9 employees

  Construction delivery and project recovery for London property owners, organisations and portfolio operators. Commercial cleaning services also offere

• M Mounton Ltd South Ockendon · Main contractor

  Mounton Ltd brings a master-builder's perspective to high-end developments and professional supply challenges, with a legacy in iconic landmarks.

• M Mpd Contracts Ltd Grays · Refurbishment · 1-9 employees

  MPD Contracts is a leading contractor in the South East, focused on quality, honesty, and reliability in all building projects, from new builds to ref

• M Mr & Mrs Builders Ltd Dartford · Main contractor · 1-9 employees

  MR & MRS Builders Ltd is a construction company based in Dartford, Kent, offering a range of services including home building, commercial construction

• M Mr Smart Home Ltd London · Main contractor

  Mr Smart Home Ltd is a main contractor company based in London, registered at Companies House in 2025.

• M Ms Build Ltd Ilford · Main contractor

  MS Build is a premier UK construction company specializing in high-quality building solutions for residential and commercial projects, including new b

• M Msa Building Developments Ltd London · Extensions

  London construction company delivering quality residential and commercial building, extensions, loft conversions, new builds, refurbishments and more.

• M Mtg Services Ltd London · Property developer

  MTG Services provides skilled workforce solutions for events, construction, and general labour needs. We offer flexible, on-demand staffing with caref

• M Mtp Renovations Ltd Ruislip, · Main contractor · 1-9 employees

  MTP Renovations Limited offers expert building services in Broxbourne and surrounding areas. From new builds to extensions, renovations, and conversio

• M Muja Builders Ltd London · Loft conversions · 1-9 employees

  Muja Builders is a construction company offering a wide range of services from loft conversions and extensions to refurbishments, kitchen & bathroom f

• M Mulalley & Co. Ltd Woodford Green · Main contractor · 50-249 employees

  Mulalley is a family-owned construction company with a strong, hands-on approach to management, building and regenerating London and the South East fo

• M Mulberry Close Airspace Ltd London · Property developer

  Mulberry Close Airspace Limited is a property developer undertaking a significant airspace development project in London, involving new penthouse apar

• M Mullee Associates Ltd London · Main contractor · 1-9 employees

  Mullee Associates is a Registered Building Control Approver covering London & Hertfordshire, specialising in providing a reliable 'Private Building Co

• M Multimac Group Ltd Beckenham · Main contractor · 10-49 employees

  Innovative family-run business in South East London serving residential and commercial sectors, aiming for economical and efficient solutions regardle

• M Multiplex Development Ltd London · Main contractor

  Multiplex Development Ltd is a London-based temporary employment agency specialising in construction recruitment. CSCS-vetted workers available across

• M Multiservice Solutions LTD Hayes · Refurbishment

  Multiservice Solutions LTD offers a wide range of services for private and commercial clients, including property renovations, plumbing, electrical wo

• M Muna Construction Services Ltd London · Main contractor

  Muna Construction Services Ltd is a construction company based in London.

• M Muppi Ltd London · Main contractor

  Muppi Ltd is a London-based construction company specializing in building construction, floor & wall covering, and demolition. Founded by Mr. Yeswanth

• M Murphy Building Services limited Caterham · Main contractor · 1-9 employees

  Murphy Building Services Ltd (MBS) is a family-run business providing complete building solutions for clients across London and the Home Counties for

• M Muslika Constructions Ltd London · Main contractor · 1-9 employees

  Muslika Constructions Limited is a construction company based in London.

• M Mxm Contractors Ltd London · Refurbishment · 10-49 employees

  MXM Contractors is a service-orientated building, repair and maintenance company operating across Greater London and the South East.

• M MY CLEANERS LONDON LTD London · Fit-out & interiors · 1-9 employees

  Professional cleaning services in London. We offer domestic, end of tenancy, after building, and office cleaning at affordable prices. Contact us toda

• M My Lady Builder Ltd London · Main contractor · 1-9 employees

  A female-led construction company with 50+ years collective experience, offering residential and commercial building, refurbishments, conversions, and

• M My Loft Ltd London · Carpentry & joinery

  MY LOFT LTD is a company registered in the UK. Further details about their services and operations are not available on the provided website.

• M My Project Estimating Ltd London · Main contractor · 1-9 employees

  Send your drawings, get a priced estimate back to NRM2. Fixed fee agreed up front, real UK rates, delivered to your deadline.

• M Myd Studio Ltd Loughton · Main contractor · 1-9 employees

  MYD Properties & Construction delivers exceptional property development and construction services, specializing in new builds, renovations, and projec

• M MyJobQuote Northolt · Main contractor

  MyJobQuote is a free online service connecting homeowners with local tradespeople. Compare up to 3 quotes for your home improvement jobs with no oblig

• M Myk Ltd Croydon · Main contractor · 1-9 employees

  MYK Construction delivers excellence across commercial and residential property development, innovation, building, and maintenance. We transform visio

• N N B Builders (UK) Ltd Ilford · Main contractor · 1-9 employees

  Experts in new builds, extensions & refurbishments. Established in 1992, N B Builders (UK) Ltd specialises in new builds, refurbishments, and extensio

• N N.O.R Construction LTD London · Main contractor · 1-9 employees

  N.O.R Construction LTD is a construction company based in London, offering services for new builds, extensions, loft conversions, refurbishments, stru

• N Nam Construction Ltd Gravesend · Groundworks

  Nam Construction Ltd provides professional construction, Groundwork, New build, Refurbishment, Concrete Finishing, Landscaping, and site preparation s

• N Namenayou™ Trade London · Main contractor

  Africa's leading B2B platform for agro-commodities, earth minerals, and finished processed produce. Connect directly with farmers, exporters, miners,

• N Nami Construction Ltd Dagenham · Main contractor · 1-9 employees

  NAMI Construction Ltd offers building, renovation, and maintenance services for residential and commercial clients, built on over 20 years of experien

• N NANDA CONSTRUCTION LONDON LTD Ilford · Main contractor · 1-9 employees

  Nanda Construction London Ltd offers top-notch construction services for domestic buildings, specializing in turning dream homes into reality with a c

• N Narch Construction Ltd London · Main contractor · 1-9 employees

  Narch Construction Ltd is a main contractor company based in London, registered at Companies House in 2023.

• N Nari Services Ltd Enfield · Main contractor · 1-9 employees

  Nari Services Ltd provides domiciliary care in North London, offering personalized support for independence and dignity. Services include personal car