Construction companies in London

6630 construction companies based in and around London.

• 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 Oakwood Plant Group London · Plant hire · 50-249 employees

  Oakwood Plant Group offers waste management, demolition, recycling, and plant hire across London and the South East. Family-run since 1964.

• 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 Oasis Developers Shanklin Ltd London · Property developer

  Oasis Developers Shanklin Ltd is a property developer company based in London, registered at Companies House in 2023.

• O Oasis Heating & Plumbing Ltd London · Plumbing · 1-9 employees

  Oasis Heating & Plumbing offers professional heating and plumbing services for residential and commercial clients. Established in 2005, we provide rel

• O Obe Building Ltd London · Extensions · 1-9 employees

  OBE Building delivers high-quality home extensions, loft conversions, refurbishments, structural steel and commercial fit-outs with expert project man

• O Obelisk London London · Refurbishment · 10-49 employees

  Obelisk London Limited is a construction company offering expert contracting services in London, specializing in internal renovations, refurbishments,

• O Obsidian Roofing LTD London · Roofing · 1-9 employees

  Trusted London roofing specialists offering expert roof repairs and installations. Family-run business with 15+ years of experience. Free quotes and 2

• O Obsidian Strategic London · Property developer · 1-9 employees

  Obsidian transform vision into reality by delivering exceptional commercial and residential land development opportunities across the UK.

• O Obsidian Strategic Rc Ltd London · Property developer

  Obsidian Strategic Rc Ltd is a property developer company based in London, registered at Companies House in 2017.

• O OCE Electrical LTD London · Electrical

  OCE Electrical Ltd is a family-run electrical services company based in Caddington, serving Bedfordshire, Hertfordshire, and Buckinghamshire. Founded

• 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 Octagon Shopfitting & Building Services London · Shopfitting · 1-9 employees

  Octagon Ltd offers shopfitting, bespoke joinery, and fire door services in London and nationwide. Part of The Octagon Group of Companies.

• O Octavia Living Ltd London · Property developer

  Octavia Support is a not-for-profit organisation specialising in a range of adult support services & local care based in London.

• O Octopus Group London · Property developer

  Octopus Group is an entrepreneurial business investing in people, ideas, and industries that aim to change the world, focusing on financial services,

• O OD CREATE London · Fit-out & interiors · 10-49 employees

  Award-winning office fit-out company delivering both turnkey design and build projects and traditional fit-out contracts.

• O ODC Glass London · Glazing · 50-249 employees

  ODC Glass specialises in high-quality aluminium bifold and sliding glass doors, windows, roof lights and glazing systems for residential and commercia

• O OE London · Civil engineering · 1-9 employees

  Ozgur Engineering Ltd specialises in early-stage temporary works design, delivering integrated and cost-effective engineering solutions for major UK i

• O Office Plus Ltd London · Flooring · 1-9 employees

  Office Plus Limited is a UK-based company. The website is protected by Anubis, a system designed to prevent AI scraping.

• O Office4Garden London · Design & build

  Bespoke garden offices designed for productivity and built to last. We offer a stress-free, end-to-end service, delivering exceptional quality and fun

• O Offshore Solutions Group London · Civil engineering · 1-9 employees

  Offshore Solutions Group develops critical wet storage infrastructure (FLOW-Parks™) for the UK's floating offshore wind ambitions, optimising logistic

• 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 Ogb Projects Ltd London · Refurbishment · 1-9 employees

  OGB Projects offers expert refurbishment services for residential and commercial properties in London, specializing in high-end bathroom fitting and m

• O Oggeretti Ltd London · Loft conversions · 1-9 employees

  South London construction company recognised for fostering innovation and embracing emerging technologies. Undertakes small to large complex residenti

• O Oggy Builder Ltd London · Kitchen fitting · 1-9 employees

  Oggy Builders delivers reliable building and renovation services, including kitchens, bathrooms, extensions, and landscaping. Trusted craftsmanship wi

• O Ogival Ltd London · Refurbishment · 10-49 employees

  Ogival offers professional property modifications and alterations, including refurbishments, basements, extensions, and loft conversions. With a desig

• O Oilcanfinish Outdoor Living London · Fencing · 1-9 employees

  Wimbledon Composite Decking Company specialising in Trex & Millboard. Outdure Aluminium Decking Frame Installer. Inlite Installer.

• O OL and Edward Ltd London · Refurbishment · 1-9 employees

  Design-led home renovation, kitchen fitting, bathroom renovation, loft conversions and full refurbishment services across London. Fully insured, accre

• O Olaaya Ltd London · Refurbishment

  OLAAYA LTD is a London-based construction and property finishing company specializing in domestic buildings. They offer comprehensive services from ne

• O Old School Roofing Ltd London · Roofing

  Old School Roofing Ltd offers authentic, reliable roofing services with over 25 years of experience. Specialising in new roofs, repairs, and flat roof

• O Oliver Talbot Joinery Ltd London · Carpentry & joinery

  Oliver Talbot Joinery Ltd is a carpentry & joinery company based in London, registered at Companies House in 2022.

• O Ols T Construction Ltd London · Drylining · 1-9 employees

  OLS T Construction offers professional construction services with hands-on expertise in London, specializing in high-quality finishing trades and refu

• O Olympus Property Group Ltd London · House builder · 1-9 employees

  Olympus Property Group offers expert residential construction and surveying services in Hampshire, including new builds, renovations, loft conversions

• 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 Omega Facade Ltd London · Cladding · 1-9 employees

  Omega Facade Ltd offers top-notch construction services in London and Greater London, specialising in facades, cladding, and brick slips. Established

• O Omega Facades U.K Ltd London · Cladding

  Omega Façades is a specialist in the design, supply and installation of complete façade systems across the UK, including cladding, curtain walling, an

• O OMEGA FIX London · Air conditioning

  Omega Fix provides expert air conditioning repair, installation, and maintenance services along with commercial refrigeration solutions across all 34

• 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 OMKA Energy London · Solar PV · 1-9 employees

  OMKA Energy specialises in renewable energy projects, particularly solar energy systems. With over 10 years of experience, they offer turnkey project

• O OMNIA GLAZING LTD London · Glazing · 1-9 employees

  Omnia Glazing Solutions offers bespoke glazing solutions for residential and commercial projects, specializing in Crittall, Cortizo, and Smart Systems

• 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

• O Omniscience Care Ltd London · Main contractor · 10-49 employees

  Omniscience Care is a specialist partner in complex built-environment projects, aligning design, safety, and commercial outcomes for resilient, high-p

• O OMNYRA London · Main contractor

  OMNYRA provides execution-led leadership for high-risk industrial projects, shutdowns, and major hazard environments, restoring authority and control.

• O On Point Building & Joinery London · Main contractor · 1-9 employees

  On Point Building & Joinery Ltd offers expert building and joinery services in Blackpool and the North West. Quality craftsmanship for every project,

• O ON POINT PLUMBING London · Plumbing · 1-9 employees

  Trusted local plumbing and heating experts in Ealing and West London. Qualified, experienced, and insured for all your plumbing and heating needs, inc

• O On Time Builders Ltd London · Refurbishment · 1-9 employees

  Ontime Builders Ltd specialises in high-end full refurbishment, renovation, bathrooms, kitchens, painting, decorating, plumbing, electrical repairs, e

• O One Bloomsbury Ltd London · Extensions

  One Bloomsbury is a London-based construction and building company offering bespoke design, construction, and maintenance services for residential and

• O ONE CALL HVAC LTD London · Heating & ventilation

  Trusted local HVAC installation, repair, and maintenance services across all 32 London boroughs. Licensed, insured engineers with upfront pricing and

• O One Click Centre Limited London · Bathroom fitting · 1-9 employees

  Expert bathroom fitters offering seamless renovation services including showers, plumbing, electricity, underfloor heating, wallpapering, painting, an