Construction companies in London

6631 construction companies based in and around London.

• I IMS Ignite Maintenance Services London · M&E contracting · 10-49 employees

  IMS Ignite Maintenance Services offers reliable, budget-conscious experts for a range of building services, from leak fixes to AV system installations

• I IN Construction Ltd London · Extensions · 1-9 employees

  Specialist house extensions, loft conversions and full home renovations across Ashford and Surrey. 15+ years' experience, fully insured. Book a free c

• I In Home Building Ltd London · Main contractor

  In Home Building Ltd is a London-based construction company with over 25 years of experience. They offer a wide range of building services for domesti

• I IN-TECH Scaffolding London · Scaffolding

  IN-TECH Scaffolding provides a full range of services in the scaffolding industry including design, transport, assembly, dismantling, hire and servici

• I In:arch London · Design & build

  In:arch delivers end-to-end residential building services in London, specialising in loft conversions, house extensions and full home renovations; fro

• I Inbox Thermal Solutions London · Heating & ventilation

  Inbox Thermal Solutions is the exclusive UK partner for HydroTop™ heat pump solutions, offering a unique roof-integrated system for homes where conven

• I Ind Fittings Ltd London · Drainage

  Ind Fittings is an independent plastic pipework and drainage company based in West Sussex. We supply a range of ABS and PVC pipe and fittings.

• I INDEPENDENT CONSTRUCTION ASSESSORS LTD London · Design & build · 1-9 employees

  Independent Construction Assessors (ICA) provides comprehensive building safety support, including BSA gap analysis, process development, competency a

• I Indor London · Fit-out & interiors · 1-9 employees

  Indor offers a curated collection of Scandinavian-inspired furniture, lighting, and homeware, defined by natural materials, neutral tones, and timeles

• I Industrial Realisation PLC London · Property developer · 50-249 employees

  Industrial Realisation plc specialises in owning, refurbishing, and asset managing commercial real estate, focusing on industrial, trade counter, and

• I Industrious Decor Ltd London · Fit-out & interiors

  Industrious Decor supplies CRIB 5 certified luxury furniture for hotels, serviced apartments, and homes, with fast UK delivery and trade pricing avail

• I Industry Decorators London · Painting & decorating · 1-9 employees

  Industry Decorators are family-run painters and decorators in London. Interior & exterior painting, spraying and commercial decorating. 5-star rated.

• i inficosolutions London · Extensions

  Infico Solutions offers home and business construction services including extensions, conversions, renovations, and general improvements. A family-run

• I Infinity Construction Project Ltd London · Extensions · 1-9 employees

  Infinity Construction Project is a modern construction company operating successfully in the London market, offering general construction services inc

• I INFINITY HEATING SOLUTIONS AND PROPERTY MAINTENANCE LTD London · Heating & ventilation

  Gas Safe registered engineers for boiler installation, servicing and rapid repairs across Birmingham, Great Barr, Sutton Coldfield and surrounding sub

• I Infinity Joiners Ltd London · Carpentry & joinery

  London furniture craftsman company specialising in unique, quality, design-led residential and commercial joinery projects. We create bespoke furnitur

• I Influent Construct Ltd London · Main contractor · 1-9 employees

  The professional digital gateway for Influent Construct LTD, providing project insights, maintenance scheduling, and streamlined quotation workflows f

• I Infopod London · Property developer · 1-9 employees

  Infopod is a trading name of Blackwell Corporation Ltd, offering guides on development finance, bridging finance, remortgages, and credit problems. Ba

• I Infrastructure Cabling Experts London · Electrical · 1-9 employees

  Infrastructure Cabling Experts are a nationwide specialist data cabling company. We deliver comprehensive data cabling solutions, design, installation

• I Infrastructure Cabling Experts Ltd London · Insulation

  Infrastructure Cabling Experts Ltd is a insulation company based in London, registered at Companies House in 2021.

• I INGEENIUM London · Design & build

  Ingeenium Holding is a global engineering and consultancy group offering innovative and sustainable solutions in energy, environmental management, ind

• i inGeni Construction and Renovation London · Restoration & heritage

  Leading heritage builders in Essex specializing in listed building restoration, barn conversions, oak framing, and bespoke construction services acros

• I INHERENT ROBOTICS LTD London · Electrical

  Inherent Robotics provides robots and automation solutions to various sectors including real estate, hospitality, F&B, industry, commercial and medica

• I Inik Construction Ltd London · Extensions · 1-9 employees

  INIK Construction is a trusted building company in London, offering a wide range of residential and commercial construction services including extensi

• I Initial Interiors London · Refurbishment · 1-9 employees

  London's commercial office refurbishment and fit-out specialists. With nearly 20 years of experience, we deliver bespoke solutions on time and on budg

• I Injoinery UK Ltd London · Carpentry & joinery · 1-9 employees

  London and Cotswolds based joinery installation service. Blending craftsmanship with innovation. Trusted installers since 2019.

• I Inner Warmth Ltd London · Plumbing · 10-49 employees

  Specialist mechanical installers offering design, installation, and commissioning of high-quality plumbing and heating systems for residential and com

• i innerspace London · House builder · 1-9 employees

  Innerspace designs and builds modern, sustainable homes with a focus on intelligence, personality, and affordability. They offer customisable living s

• I Innova Partnership London · Property developer

  Innova Partnership leverages Network Rail's property expertise and IJM Land's resources to develop redundant railway assets, generating capital for in

• I Innova Stone Ltd London · Stonemasonry · 1-9 employees

  Premium natural stone suppliers for construction, interiors, and landscaping. Innova Stone offers unmatched quality and sustainability with custom sol

• I Innovate Home Solutions Ltd London · Design & build

  We specialise in home extensions, loft conversions, and full renovations designed to make your space truly yours.

• I Innovation Construction Design & Build Ltd London · Main contractor · 1-9 employees

  Houzz is a platform for construction and design professionals, offering marketing, CRM, and project management tools. It connects homeowners with pros

• I Innovation Experts Ltd London · Design & build

  Innovation Experts Ltd offers premium construction & renovation services in London, providing reliable, high-quality refurbishment, repair, and mainte

• I Innovative Utilities (UK) Ltd London · Utilities · 10-49 employees

  Innovative Utilities (UK) Limited is a privately owned Utility & Civil Contractor operating throughout the UK, with a strong focus on water and gas in

• I Innox Technical Ltd London · Flooring

  İnnox Technical As a Professional Technician, I have been working in London since 2019, turning creative concepts into tangible designs and illustrati

• I Inoval Ltd London · Carpentry & joinery

  High end, handcrafted staircase designs tailored to your home. Experienced staircase designers. Modern & traditional styles. Metal staircases, spiral

• I INOX CITY London · Steel fabrication · 1-9 employees

  Premier Architectural Steel & Glass Fabrication Specialist in London. Bespoke balustrades, handrails, balconies, staircases, and more. Design, supply,

• I Inoxos Ltd London · Heating & ventilation

  INOXOS is recognized as one of the most innovative and reliable companies in the sheet metal works sector. With years of experience, a commitment to q

• I Inqube Interiors Ltd London · Carpentry & joinery

  INQUBE INTERIORS LIMITED is a new company based in LONDON.

• I Insignia Workplace Ltd London · Refurbishment

  Insignia Workplace Ltd - Professional refurbishment and contracting services for commercial and residential properties.

• I Instaflame Design & Build Ltd London · Extensions · 1-9 employees

  Leading property developer for house extensions, kitchens, bathrooms, and loft conversions. Reliable & cost-effective construction services.

• I InstaGasWorks London · Plumbing

  Gas Safe registered plumbers and heating engineers across South London. Boiler repairs, servicing, installation and 24/7 emergency plumbing. Call 0208

• I Installio Ltd London · Solar PV

  Installio delivers clean energy upgrades as one connected system, helping improve EPC ratings and reduce household energy bills. From solar and batter

• I Instant Builders Ltd London · Extensions

  Instant Builders Ltd offers high-quality, professional, and reliable construction services in London, specializing in house extensions, loft conversio

• i instant designer LTD London · Kitchen fitting

  Instant Designer is a premier construction company specializing in kitchens, bathrooms, flooring, roofing, electrical, plumbing, painting, and landsca

• I Instant Heating and Plumbing Services Ltd London · Plumbing

  Instant Heating & Plumbing provides expert plumbing, boiler repairs, heating services, gas safety services in London, Wembley, Neasden, Dollis Hill, a

• I INSULATE MY CONSERVATORY LTD. London · Roofing

  Family-run business specialising in conservatory roofing, insulation, and roof repairs across the UK. Offering expert services to make conservatories

• I INSULATION SPECIALISTS LTD London · Insulation

  Insulation Specialists Ltd offers expert insulation services, focusing on renewable and environmentally friendly energy sources to create comfortable

• I Insulpro Roofing Ltd London · Roofing

  Insulpro Roofing Limited is a UK-based company specializing in roofing and insulation services. Contact us for your project needs.

• I Intec Energy Solutions Ltd London · Solar PV

  INTEC Energy Solutions is a global leader in EPC Services, Project Development, BESS, and Operations & Maintenance for green energy solutions.