Main contractors in London

1935 main contractors across London.

• N NESTLED HOMES CONSTRUCTION London · Main contractor · 1-9 employees

  Nestled Homes Construction Ltd is a recruitment agency providing flexible staffing solutions for the construction industry, ensuring businesses find t

• N New Key Developments London · Main contractor · 1-9 employees

  New Key Developments is a construction firm established in 2012, specialising in high-end new build developments. They offer end-to-end expertise from

• N New Key Group London · Main contractor · 1-9 employees

  New Key Group offers high-end property construction, refurbishment, and mechanical services including HVAC, specialising in luxury residential and com

• N NEW SARDINIAN HOLIDAYS LIMITED Barnet · Main contractor

  New Sardinian Holidays Ltd offers direct management of exclusive villas in Sardinia, specializing in properties with private pools, sea views, or beac

• N Newland Construction Ltd Potters Bar · Main contractor · 10-49 employees

  Newland Construction, established in 1925, offers new build, design and build, planned maintenance, and major refurbishment services within a 25-mile

• N Newship Group Weybridge · Main contractor · 1-9 employees

  Newship Group is a private family owned group of manufacturing, distribution and hire businesses operating across Europe with nearly 50 years of exper

• N Nexora Systems Ltd United Kingdom · Main contractor

  Nexora Systems LTD: Professional automotive software development, bug fixing, and integration services. Specializing in CarPlay, Android Auto, navigat

• N Nexus UK Group Ltd London · Main contractor

  NEXUS UK GROUP LTD is a company registered in the UK. Their website is nexusukgroup.co.uk.

• N Niaudo Services Ltd London · Main contractor

  With over 30 years' experience, Niaudo Services Ltd delivers quality construction management, cleaning, refurbishments, and new builds tailored to you

• N Nicholas Stephens Construction Ltd Woodford Green · Main contractor · 10-49 employees

  Nicholas Stephens Construction is a building company established in 1986, specializing in New Build, High End Residential, Commercial, Structural and

• N Nilo Construction Ltd Romford · Main contractor · 1-9 employees

  NILO Construction Ltd is a premium high-end residential and commercial construction partner in North & West London, crafting fine spaces since 2017. T

• N Nimbos Ltd Dartford · Design & build

  London-based Nimbos offers residential planning and build services, combining practical planning, design support, and hands-on construction for a seam

• N Nirmaya Estates Ltd Hayes · Main contractor

  Nirmaya Estates provides construction, renovation, loft conversions, extensions, and property maintenance services. We focus on efficiency and quality

• N Nivashi Ltd London · Main contractor

  Nivashi is a London-based construction company delivering high-quality building, extension, renovation, electrical, and plumbing services.

• N Niwaz Ltd Dagenham · Main contractor · 1-9 employees

  Niwaz Ltd offers top-notch builder, construction, and refurbishment services for residential and commercial projects. Our team ensures high-quality wo

• N NJCS Orpington · Main contractor

  N J Contracting Services Limited is a construction company based in Orpington, Kent. We offer a range of contracting services.

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

  NLD Construction provides high-quality residential and commercial construction services, specializing in new builds, extensions, refurbishments, and p

• N Nmpm Ltd London · Main contractor · 10-49 employees

  NMPM Limited is an accredited, innovative building company based in Norfolk, offering a greener and cleaner approach to construction services for dome

• N Nmsm Construction Ltd Walton-On-Thames · Main contractor · 1-9 employees

  NMSM Construction is a UK-based company. We are dedicated to providing high-quality construction services.

• N NNODI Group London · Main contractor

  NNODI Group provides chartered quantity surveying, cost management, commercial management and project advisory services across the UK and internationa

• N No10 Tci Ltd London · Main contractor

  No10 TCI operates in foreign trade, construction, and investment sectors, offering reliable and high-quality solutions with extensive knowledge and ex

• N Noble Dbr Ltd Chigwell · Main contractor · 1-9 employees

  Noble Dbr Ltd is a main contractor company based in Chigwell, registered at Companies House in 2021.

• N North Point Property Services Ltd London · Main contractor

  North Point Property Services specialises in construction project management, focusing on EWS1 compliance, façade remediation, and complex projects li

• N North West Build Ltd Hayes · Main contractor · 1-9 employees

  North West Build Ltd is a main contractor company based in Hayes, registered at Companies House in 2025.

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

  NOUVA CONSTRUCTION LTD is a new construction company based in London. Our website is currently under development and will be launching soon.

• N Nova Facilities Group Ltd London · Main contractor

  Nova Facilities Group Ltd offers property management, refurbishment, and construction services. With over a decade of experience, they specialize in s

• N Nrkk Services Ltd Isleworth · Main contractor

  NRKK SERVICES LTD is a construction company specializing in domestic buildings, plastering, floor covering, and wall covering. They focus on quality c

• N Nugol Ltd Erith · Main contractor

  Nugol engineers the future with innovative, cost-effective solutions, delivering integrated cost, commercial and project advisory services across the

• N Nv&B Construction Ltd London · Main contractor

  NVB Construction delivers high-quality residential and commercial construction projects, including new builds, refurbishments, fit-outs, and structura

• N NW Cleaning and Maintenance Ltd London · Refurbishment

  NW Cleaning & Maintenance Ltd provides expert cleaning and maintenance services in London. Specializing in residential and commercial properties, we e

• O O & V Construction Ltd Kent · Main contractor

  O&V Construction offers high-quality construction and bespoke furniture crafting. Specializing in carpentry, joinery, and fire protection services, th

• O O-Zone Construction Ltd London · Fire protection

  O-Zone Construction provides construction, fire protection and trade labour supply services in London. We are industry-leading passive fire protection

• O O2 Construction Ltd London · Main contractor · 10-49 employees

  O2 Construction Ltd offers expert payroll solutions for businesses across all industries, ensuring accuracy, compliance, and timely payments. Let us m

• O Oa Design & Build Ltd London · Design & build

  Premium extensions, renovations, and new builds across Bristol, Birmingham and the wider region. Fixed price contracts, clear programmes, and honest d

• O Oakbuild Ltd London · Main contractor

  Oakbuild Ltd is a trusted Ontario construction company specializing in commercial and residential construction and high-quality renovations built on c

• O Oakfield Builders Ltd Surrey · Main contractor · 1-9 employees

  Oakfield Builders Ltd undertake all types of domestic construction, from small extensions to new builds, in and around the Surrey area.

• O Oakfield Contractors And Decorators Ltd Croydon · Main contractor

  Oakfield Contractors & Decorators Ltd offers comprehensive building services in Croydon and surrounding areas. Specialising in property refurbishment,

• O Oakland Build-Plant Ltd Hornchurch · Main contractor · 1-9 employees

  Oakland Build-Plant Ltd is a main contractor company based in Hornchurch, registered at Companies House in 2022.

• O Oakmoore Homes Services Ltd Chessington · Property developer · 1-9 employees

  Oakmoore Homes Services Ltd is a property developer company based in Chessington, registered at Companies House in 2024.

• O Oakwood Planning & Design Ltd London · Main contractor · 1-9 employees

  Oakwood Planning & Design Ltd is a main contractor company based in London, registered at Companies House in 2022.

• O Oasis Developers Hastings Ltd London · Property developer

  OASIS Developers is a leading property developer with extensive interests in Property Development and Construction around London, and Southwest Englan

• O Ocean Construction Services Ltd London · Main contractor · 1-9 employees

  Ocean Construction Services Ltd offers quality building, engineering, and renovation services across the UK, specializing in residential, commercial,

• O Ogababa Ltd London · Property developer · 1-9 employees

  OGABABA LTD is undergoing website maintenance and will be available soon. Thank you for your patience!

• O Okredo Tadworth · Main contractor

  Okredo provides companies' data for business risk management and sales improvement, including credit ratings, limits, and business linkages.

• O Oldfield Construction (London) Ltd Ruislip · Main contractor · 1-9 employees

  Oldfield Construction Limited offers home improvements in Ruislip. Qualified builders with 51+ years of experience, delivering durability and reliabil

• O Omb Construction Ltd Pinner · Main contractor · 1-9 employees

  OMB Construction Ltd is a construction company based in Pinner, Middlesex. The company was incorporated in 2019.

• O Omega + Group Ltd London · Main contractor · 1-9 employees

  Omega Group is a leading construction and MEP contractor based in West London, delivering high-value projects across residential, commercial, and mixe

• O Omfc Ltd London · Main contractor · 1-9 employees

  OMFC Ltd is a construction company based in London, undertaking a variety of projects across residential and commercial sectors. They focus on deliver

• O Omikon Construction Ltd London · Design & build

  Omikon Construction Limited is a London-based construction company offering quality, reliable, and sustainable services. We combine innovation and exp

• O Omniform Ltd London · Main contractor · 1-9 employees

  Omniform is a London construction partner for architect-designed homes: whole-house refurbishments, structural work, basements, and new build properti