Construction companies in London

12659 construction companies across London.

• O Orlando Stone Ltd Borehamwood · Main contractor · 1-9 employees

  ORLANDO STONE LTD is a company registered in England. The company's website is orlandostone.co.uk.

• O Ornate Tiles Ltd Ilford · Tiling

  Ornate Tiles offers a stylish collection of tiles for every purpose, including bathroom, kitchen, natural stone, and paving slabs. They provide free U

• O ORS GROUP London · Concrete works

  ORS Group is a contracting intermediary providing labour services and compliance support to recruitment agencies and end clients across the UK.

• O Ortillia London · House builder

  Ortillia creates beautiful, luxurious, and timeless homes through considered, elegant design. We strive for excellence in crafting high-quality proper

• O Ortus Energy Ltd London · Solar PV

  End to end Renewable Energy suppliers and funding solutions for commercial and industrial businesses with a proven track record.

• O OSCAR CLEANING SERVICES LTD London · Painting & decorating

  Bespoke commercial cleaning for London offices and schools since 2014. On-site supervision, vetted teams, eco-friendly methods. Book a free site visit

• O Oscar Onsite London · Insulation

  Oscar Onsite offers independent cavity wall insulation surveys and reports for homeowners, landlords, and lenders across the UK. Book a survey today.

• O Osn Development Ltd Hayes · Main contractor

  OSN Development Limited is a construction company based in Hayes, England, offering a wide range of expert home improvement and building services. The

• O Ostconstruct1 Ltd London · Bricklaying

  Serious craftsmanship, fair prices, fast completion. Specialists in brickwork, masonry, extensions and exterior works for residential and commercial p

• O OT Construction Potters Bar · Main contractor · 1-9 employees

  OT Construction offers a comprehensive range of building and design services for commercial, domestic, and interior projects. With a focus on reliabil

• O Other Building Completion and Finishing Ilford · Design & build

  Other Building Completion and Finishing offers engineering and construction services, specializing in building completion, finishing, and scientific r

• O OTL Staffing London · Concrete works

  OTL Staffing provides back of house staffing solutions for events and hospitality in London. Founded in 2021, they offer skilled professionals for ven

• O Otm UK Services Ltd London · Refurbishment · 1-9 employees

  OTM UK Services Limited offers reliable and professional cleaning solutions for homes and businesses across the UK. We focus on client safety, rigorou

• O Otpd Ltd Woodford Green · Plumbing

  24/7 Emergency plumbing and drainage services in Mayfair & Central London. Expert solutions for heating, boilers, and unblocking.

• O Otter Stop London · Fencing

  Otter Stop provides long-term otter fence solutions to protect fisheries and wildfowl lakes from otter predation. They offer tailored fencing and advi

• O Otterburn Construction Ltd London · Refurbishment · 1-9 employees

  Otterburn Construction provide exceptional construction services, with a skilled and experienced team committed to delivering results that exceed expe

• O Otters Group Ltd London · Refurbishment · 1-9 employees

  Otters Group is a family-owned construction business established in 2018, providing expert residential and commercial services including renovations,

• O Our Best Builder Ltd Waltham Abbey · Main contractor

  Our Best Builder Ltd is a main contractor company based in Waltham Abbey, registered at Companies House in 2025.

• O Our Lady Of Grace Parish Buildings Preservation Trust Ltd London · Restoration & heritage

  Preserving exceptional heritage buildings and building vibrant community outreach programmes.

• O Ourhouselondon Ltd Bromley · Refurbishment

  Our House London is a construction company in London, offering refurbishment, painting, carpentry, kitchen and bathroom fitting services with a focus

• O Out Build Group Ltd. Sidcup · Loft conversions · 1-9 employees

  Out Build Group specialises in helping homeowners in Kent, London and Essex transform their properties with loft conversions, extensions, and full hom

• O OUTBOX STORAGE London · Security systems

  Outbox Underground Cycle Garage: the most secure domestic cycle storage on the market. Convenient, exclusive, secure, discreet.

• O OuterRoom Banstead · Design & build · 1-9 employees

  OuterRoom designs, manufactures and installs luxury garden rooms in Surrey and outer London. Bespoke insulated garden buildings built to last.

• O Outlook Roofing Ltd London · Roofing

  Outlook Roofing Ltd specialises in UPVC, roof repairs, new roofs, rubber, felt, and GRP fibreglass flat roofs in London.

• O OUTSIDERS GARDEN ROOMS Borehamwood · Design & build · 1-9 employees

  Luxury bespoke garden rooms designed and created with you in mind. Add value to your property with a multi-use space, high quality design, and tailor-

• O Ovadia Construction Ltd London · House builder

  Ovadia Construction Ltd offers extensions, renovations and new builds with expert craftsmanship. Looking for a trusted construction company in the UK?

• O Oval Surveyors Ltd London · Restoration & heritage

  Oval Surveyors provides expert property surveying services, including condition reports, homebuyer reports, building surveys, expert witness reports,

• O OVER ENERGY LTD London · Electrical

  A digital library of U.S. economic, financial, and banking history, particularly the history of the Federal Reserve System, featuring publications, ar

• O OVERCOMER LOGISTICS LTD London · Fit-out & interiors

  Experience top-notch cleaning solutions for homes and businesses with Overcomer Logistics Ltd. Your trusted partner for a spotless environment.

• O Ovi Construction Ltd Romford · Civil engineering · 1-9 employees

  OVI Construction Company Limited is a Nigerian-based multidisciplinary construction and engineering company delivering end-to-end infrastructure solut

• O OVIDIU PREMIER JOINERY & CARPENTRY LTD London · Shopfitting

  Ovidiu are a premium shopfitting and carpentry company who have worked with the biggest clients in Mayfair, Bond Street in London, and throughout the

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

  OVK Construction offers Building and Maintenance services: Interior and Exterior renovation, Plumbing and Electrics, Extensions, Loft Conversions and

• O Ovolo London Bexley · Restoration & heritage

  Ovolo London specialises in decorative plaster mouldings, cornice & ceiling rose supply/installation, and lath & plaster restoration. Family-owned.

• O OVOMS UK London · Carpentry & joinery

  OVOMS UK: Bespoke staircases, precision-engineered and fully customised for your home. From floating stairs to central spine designs. Crafted in Londo

• O Owen Construction Consultancy Ltd Orpington · Main contractor

  Construction Health & Safety Consultants offering services in London, Kent & Essex. Experienced consultants ensure safe and compliant projects.

• O Owenbuilds Ltd London · Main contractor

  OWENBUILDS LTD is a new company based in London, UK. The company's website is currently under development.

• O Oxatan Ltd Romford · Windows & doors · 1-9 employees

  OXATAN is a reputable, experienced, fully licensed and insured window and door installer. Our talented team provides the best services for our clients

• O OXFORDROOFERS LTD London · Roofing

  Oxford Roofers provides roof repairs, roof maintenance and new roof installations across Oxford & Oxfordshire. Fully insured. Free quotes. Call or req

• O Oxshott Fencing Ltd Cobham · Fencing

  Oxshott Fencing Ltd is a family-run business in Surrey, offering high-quality fencing, gates, decking, and patios. With 15 years of experience, they p

• O Oxygen London · Fit-out & interiors

  The UK Guild of Handymen connects you with skilled, reliable handymen who excel in a wide range of practical tasks. Members pass competency exams and

• O Oyo Energy Ltd London · Solar PV

  Oyo Energy Limited is a UK-based distributor of solar energy products, including solar panels, inverters, and batteries. They aim to make renewable en

• O Oytas UK London · Civil engineering

  Oytas UK is the London branch of Oytas Construction, established in Turkey in 1992. Leveraging 30 years of experience, we specialise in concrete, pref

• O Ozon Construction Ltd Ilford · Formwork · 10-49 employees

  Ozon Constructions is a UK-based construction company providing building maintenance, refurbishment, and labour supply services. Specialising in shutt

• O Ozone Buildworld Ltd London · Plumbing · 1-9 employees

  Ozonebuildworld Ltd offers premium property maintenance services across the UK, including plumbing, electrical, carpentry, and painting. Contact us fo

• O Ozzas Ltd East Tilbury · Security systems

  Ozzas LTD specialises in Safety and Security Systems, offering installations, maintenance, and project management for Access Control, Fire Alarms, Int

• O Ozzy Development Ltd London · Refurbishment · 1-9 employees

  Ozzy Development Ltd is a London-based company specializing in property development and construction services, including refurbishments and fit-outs.

• P P & C Builders Brothers Ltd London · Refurbishment · 1-9 employees

  London based P&C Builders Brothers Ltd specialise in maximising home space with loft conversions, extensions & renovations, offering expert Italian-st

• P P A Henery Ltd South Croydon · Plumbing · 1-9 employees

  Reputable plumbing, heating and electrical company serving South Croydon and the surrounding areas. Our reactive, servicing and planned preventative m

• P P C GLOBAL SOLUTION London · Insulation · 1-9 employees

  PC GLOBAL SOLUTION LTD offers insulation, rendering, pest control, cleaning, and decontamination services for residential and commercial clients. Spec

• P P Dymott Plumbing & Heating Ltd London · Plumbing

  P Dymott Plumbing & Heating Ltd offers boiler repairs, central heating installations, and bathroom design services in Ealing and surrounding areas. Co