Infrastructure construction companies in London

975 companies across London working in the infrastructure sector.

• S Steelo Ltd Hounslow · Steel fabrication

  STEELO are the leading structural steel fabricators and suppliers in London. We manufacture high-quality steel beams, structures, connections, and fin

• S STL Tech Borehamwood · Utilities

  STL is a global leader in advanced connectivity solutions, providing end-to-end solutions for building AI-ready infrastructure, FTTx, Rural, Enterpris

• S Stonewest Ltd London · Restoration & heritage · 50-249 employees

  Award-winning Principal Specialist Contractor in Building Conservation, Restoration & New Build Masonry finishes. Serving the construction industry fo

• S Strabag UK Ltd London · Civil engineering

  STRABAG UK, part of STRABAG SE, offers comprehensive construction services across water, energy, transport, and building sectors, integrating innovati

• S Strataforge Ltd London · Civil engineering

  Strataforge designs and integrates software, data controls and AI-assisted workflows for critical infrastructure and regulated operations.

• S Strikeforce Scaffolding Ltd Hoddesdon · Scaffolding

  Professional scaffolding company in Broxbourne and Hoddesdon, Hertfordshire, offering domestic, commercial, and heritage scaffolding hire. Fully compl

• S Strong Services Ltd London · Electrical · 1-9 employees

  Strong Services Limited offers electrical installation, security systems, and structured IT infrastructure solutions. They focus on smart, lean, and a

• S Structural Membranes Specialists Ltd Romford · Waterproofing · 10-49 employees

  SMS provides basement to roof waterproofing solutions, specialising in spray applied liquid waterproofing systems, basement tanking, and cavity draina

• S Summix Ltd London · Property developer · 1-9 employees

  Since 2006 Summix has been creating places to live, work & play in the UK and Ireland. We listen and collaborate to deliver sustainable, new, mixed-us

• S Surex Surfacing Ltd Leatherhead · Road surfacing

  Surex Surfacing Ltd is a specialist surfacing contractor offering a comprehensive range of services including tarmacadam, resin, and road surfacing. S

• S Surrey Excavations Ltd Leatherhead · Groundworks · 10-49 employees

  Surrey Excavations offers groundworks, piling, and surfacing services across Southeast England with over 25 years of experience.

• S Surveys Ltd London · Civil engineering

  RT Surveying Ltd offers expert surveying services including topographical, drone, utility, and internal 3D surveys. With over 20 years of experience i

• S Sutton On The Forest Solar London · Solar PV

  Sutton on the Forest Solar is developing a significant solar farm and battery storage project in North Yorkshire, aiming to contribute to the UK's ren

• S Sv Lux Ltd London · Fire protection

  SV LUX LTD is a London-based company specializing in construction industry qualifications and certifications. Established in 2018, they offer a wide r

• S Sv Resource Ltd London · Rail infrastructure · 1-9 employees

  SV Resource Ltd is a UK-wide manpower solutions provider for the rail and construction sectors, established in 2018. Committed to safety and client sa

• S Sweet Project Construction Ltd London · Design & build

  Sweet Projects is a single-source turnkey construction company that designs and constructs data centres and built environments for the defence and ene

• S Swietelsky Construction Company Ltd London · Rail infrastructure · 50-249 employees

  Swietelsky UK is a leading rail engineering and services provider, operating nationwide with a focus on complex infrastructure projects and fleet supp

• S SYD BISHOP & SONS (DEMOLITION) LIMITED Orpington Kent · Demolition · 10-49 employees

  Syd Bishop & Sons Ltd is a leading demolition contractor established in 1929, offering demolition, asbestos removal, and waste management services acr

• S Systra Ltd London · Civil engineering

  SYSTRA in the UK leads the delivery of sustainable infrastructure and environments through specialist engineering and consultancy services. A world le

• T T G Ram Ltd Wembley · Civil engineering · 10-49 employees

  TG RAM Ltd is a leading civil engineering, utilities, and haulage contractor operating in London and the Home Counties. We offer a comprehensive range

• T T Steele Tm Ltd Sutton · Road surfacing

  T STEELE TM LTD is a construction company specializing in road surfacing and motorways. Incorporated in 2024, the company operates within the infrastr

• T Taiyo Power & Storage London · Solar PV

  Harnessing the collective strength of our partners, Taiyo Power & Storage is committed to creating quality-driven renewable energy projects that have

• T Tarrant Group Ltd London · Roofing

  Protect your property with the Top lightning protection services UK. Safeguard your home or business with expert solutions for ultimate safety.

• T Taylor Woodrow Construction Watford · Civil engineering

  Taylor Woodrow is a leading UK infrastructure company, delivering complex engineering solutions for energy, transportation, and strategic infrastructu

• T Taymouth Castle London · Restoration & heritage · 1-9 employees

  Taymouth Castle is a luxury residential community project by Discovery Land Company, involving historic restoration, new home construction, and extens

• T Tcomet Ltd Wimbledon · Security systems

  TCOMET provides communication and safety solutions for tunnelling and mining projects worldwide, offering integrated systems for robust networks, real

• T Teamforce Labour Ltd Borehamwood · Rail infrastructure · 10-49 employees

  Teamforce Labour Limited is a specialist labour provider for Tunnelling, Rail (Safety Critical), Energy, and Construction sectors. Family-run since 20

• T Tecdura Group (UK) Ltd Teddington · Waterproofing

  TecDura provides durable surface protection products like Stickymat, Duramat, and Tackymat, designed for construction sites to protect surfaces effect

• T Techfinity London Ltd London · Security systems

  Practical managed IT support, cyber security, cloud, backup and infrastructure services for London businesses.

• T Technical Brickwork Ltd London · Bricklaying · 1-9 employees

  Technical Brickwork Ltd, specialist bricklayers in Harrow, London. Extensions, repairs, repointing, garden features and commercial subcontracting. Est

• T Technocrates Construction Limited Uxbridge · Main contractor · 10-49 employees

  Technocrates Construction Limited offers comprehensive, turnkey construction solutions across the UK, specialising in substructures, civil works, high

• T Tectanium London · Electrical

  Tectanium delivers expert data cabling and managed labour solutions, supplying certified professionals for critical IT and telecoms projects.

• T Tecton Geoenergy Ltd London · Civil engineering

  Mobilizing geothermal energy in East Africa. Tecton GeoEnergy is dedicated to enhancing electricity access by implementing innovative geothermal power

• T Tekmann Global London · Design & build

  Bespoke turnkey solutions in renewable energy, industrial manufacturing, and ecological innovation. From conception to completion.

• T TG QC Consultancy Ltd London · Main contractor

  TG QC Consultancy Ltd offers expert quality control services for construction projects across London and the UK. Material testing, on-site inspections

• T Thames Composites Ltd London · Cladding · 1-9 employees

  Thames Composites Ltd is a specialist GRP company providing bespoke composite/GRP products and solutions from concept to completion. With over 30 year

• T Thames Reinforcements Ltd Borehamwood · Concrete works · 50-249 employees

  Thames Reinforcements Ltd is a CARES approved rebar plant in Sheerness, Kent, with a production capacity of 1500 tonnes per week. We supply cut & bent

• T Thameside Groundworks Ltd. London · Groundworks

  Professional ground investigation, site investigation, civil engineering and groundworks across the UK. Free quotations from Thameside Groundworks.

• T The Bike Storage Company Ltd Richmond Upon Thames · Fencing

  British-made commercial bike storage for offices, developments, schools & public spaces. Shelters, racks, lockers & EOT facilities - Free site survey

• T The King'S Cross Group Gp Ltd London · Property developer

  The King's Cross Group is a team of dedicated placemakers, best known for their long-term stewardship of the King's Cross neighbourhood in London.

• T THREON ENERGY SYSTEMS LTD London · Main contractor

  THREON orchestrates sovereign-scale energy and infrastructure systems by aligning institutions, capital, and delivery into unified execution pathways.

• T Thurrock Nub News Grays · Property developer

  Thurrock Nub News is Thurrock's most read online newspaper, with over 75,000 monthly readers and generating over 2 million monthly Facebook views. Adv

• T Tib Fixers Ltd Watford · Steel fabrication · 1-9 employees

  TIB FIXERS LTD specializes in steel fixing and concrete work, committed to reliability and fair practices. Serving the region from Watford to Oxford.

• T Tilbury Douglas London · Main contractor

  Tilbury Douglas is a leading UK building, fit-out, engineering, and infrastructure company delivering vital projects across health, education, water,

• T Tim Steelfixing Ltd London · Steel erection · 1-9 employees

  Tim Steel Fixing Ltd is a reputable UK construction company specialising in steel fixing, with a proven record of accomplishment and hundreds of succe

• T Timberlake Planning Ltd Richmond · Property developer

  Timberlake is a global brand with over forty years of experience and expertise as a supplier of statistical, econometric and forecasting software pack

• T Timelign Ltd London · Main contractor

  Timelign offers expert programme management, project controls, AI-powered reporting, and delay analysis for complex construction projects.

• T TISE Group London · Property developer

  TISE provides financial markets and securities services to companies globally, built on a culture of responsiveness and innovation.

• T Titan Civils Ltd London · Civil engineering

  Titan Civils offers streamlined, dynamic civil engineering solutions, focusing on swift delivery without compromising quality. They provide turnkey se

• T Tlinx Ltd Thornton Heath · Carpentry & joinery · 1-9 employees

  TLINX LIMITED is a UK-based company providing skilled and general labour to construction projects. We connect companies with the right talent for thei