Construction companies in London

12659 construction companies across London.

• O Ohmatic Electrical Ltd Mitcham · Electrical

  Ohmatic Electrical Ltd is a registered NICEIC approved electrical contractor and part P domestic installer. We offer a wide range of electrical servic

• O Ohmega Construction Abbots Langley · Refurbishment

  Ohmega Construction: Your trusted partner in building better homes. Specialising in kitchens, refurbishments, and extensions, we bring your ideas to l

• O Ohmnium Electricians Barnet · Electrical

  Qualified Enfield electricians for rewiring, inspections, fault finding & consumer unit upgrades across London, Herts & Essex.

• O OHOB Morden · Groundworks

  O'Halloran & O'Brien (OHOB) is a respected UK construction group with over 50 years of experience, delivering complex, multi-disciplinary projects acr

• O Ohob Group Ltd Morden · Concrete works

  Ohob Group Ltd is a concrete works company based in Morden, registered at Companies House in 2008.

• O Oilcanfinish Outdoor Living London · Fencing

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

• O Ok Build Ltd Woodford Green · Plastering · 1-9 employees

  OK Build Ltd is a construction company based in Woodford Green, England. They focus on managing contracts and payments for subcontractors and employee

• O Oknoglass Ltd Northolt · Glazing

  OKNOGlass Ltd is a family-run double glazing business in Northolt, London, offering a wide range of products including windows, doors, and bespoke gla

• O Okredo Tadworth · Main contractor

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

• 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 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 OLIVANNA Sidcup · Property developer · 1-9 employees

  OLIVANNA creates refined daily skincare essentials designed to bring comfort, balance, and confidence into real routines. We focus on textures you wan

• O Olive Plumbing & Heating Services Borehamwood · Plumbing

  Trusted plumbers in Borehamwood with 30+ years of experience. Olive Plumbing & Heating Services offers expert solutions for homes and businesses.

• O Oliver Connell And Son Ltd South Greenford · Concrete works · 50-249 employees

  Oliver Connell & Son Ltd are an experienced reinforced concrete frame company with the ability to integrate groundwork and associated works in one pac

• O Oliver Talbot Joinery Ltd London · Carpentry & joinery

  Oliver Talbot - Bespoke Kitchens & Joinery Specialist. Handcrafted in North-West London, creating inspiring living spaces tailored to lifestyles with

• O Olix Decorating Ltd Barking · Painting & decorating · 1-9 employees

  Olix Decorating in Barking offers expert painting and decorating services across London and Essex. High quality at affordable prices for interiors or

• 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 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 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 Omel Group Wembley · Extensions

  Omel Group offers comprehensive construction solutions across London and the South East, specializing in extensions, renovations, general construction

• O Omenatic Ltd Caterham · Scaffolding

  Specialist rope access company providing safe, efficient access to difficult locations where conventional methods are impractical. Serving constructio

• 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

  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

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

• O Omnicam Cctv Services Ltd Hounslow · Electrical

  OMNICAM CCTV SERVICES LIMITED is a trusted provider of advanced electrical and security installation services across the UK. We deliver solutions desi

• 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 Demand Plumbing & Heating Ltd Watford · Plumbing

  24/7 plumbing, heating & boiler specialists across Hertfordshire and all London boroughs. Transparent pricing, certified engineers.

• 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

  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 Arch Ltd Waltham Cross · Main contractor · 1-9 employees

  One Arch Ltd is a main contractor company based in Waltham Cross, registered at Companies House in 2022.

• 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

• O ONE SHOT UTILITIES LTD Wallington · Utilities

  One Shot Utilities is a Wallington based multi-utility company providing utilities upgrade and installation services, in nearby locations such as Bans

• O One Stop Property London · Refurbishment · 1-9 employees

  London's All-in-One Property Services: Management, Renovations, and Much More. We offer turnkey delivery, eco-friendly solutions, and high-end finishe

• O ONE31 ENERGY LTD London · Solar PV

  ONE31 ENERGY LTD is a renewable energy company focused on reducing costs, cutting carbon, and building a sustainable future through innovative energy

• O OneProtect London · Heating & ventilation

  OneProtect offers boiler, central heating, and plumbing cover plans for homeowners and landlords, providing 24/7 support and specialist engineers for

• O Onit Building Services Ltd Northwood · Plumbing

  ONit Building Services offers emergency plumbers and electrical installation services in Northwood, Buckinghamshire. Reliable, efficient, and certifie

• O Online Flooring Contracts Ltd London · Flooring

  Online Flooring is a Commercial Flooring Contractor offering quality flooring installation and maintenance services throughout London, Kent and South

• O ONSHORE TECHNICAL LTD London · Utilities

  Onshore Technical: Experts in gas sector recruitment, temp-to-perm contracts, design consultation, and project management.