The 100 largest Construction companies in London

Balfour Beatty plcbalfourbeatty.com

A global infrastructure group with 25,000 employees delivering innovative and efficient transportation, power, building, and utility systems for economic growth and community support

Macemacegroup.com

Delivery consultancy and construction expertise for iconic buildings, data centres, life science, social infrastructure, and regeneration projects worldwide.

Morgan Sindall Group plcmorgansindall.com

Specializes in construction, partnerships, fit out, infrastructure, and property services across public, regulated, and private sectors with six divisions.

KELLERkeller.com

A global geotechnical specialist contractor that solves construction challenges with local focus, expertise, and a track record of successful projects

Innovo Groupinnovogroup.com

A global urban development firm headquartered in London, specializing in designing, engineering, and constructing city projects worldwide with a focus on sustainability and innovation

Currie & Browncurriebrown.com

Global project management and cost advisory firm providing risk management, cost control, and strategic guidance throughout asset lifecycles worldwide.

ISGisgltd.com

Specialists delivering dynamic construction services focused on creating agile, resilient places that support people’s lives and business operations.

Keltbraykeltbray.com

UK specialist engineering contractor, offering engineering, construction, demolition, decommissioning, remediation, environmental services and reinforced concrete frame solutions

Gardiner & Theobald LLPgardiner.com

Independent consultancy specialising in construction, risk minimisation, project leadership, commercial success, and ethical community support within the built environment.

Overburyoverbury.com

Leading UK fit out specialist delivering exceptional projects for offices and higher education facilities, offering a wide range from small to large-scale projects Contact Head of Communications for social media inquiries

Hoare Leahoarelea.com

Engineering consultancy offering MEP, environmental, and sustainability services with creative solutions for complex building design and performance challenges.

Faithful+Gouldatkinsrealis.com

Global engineering services and nuclear organization connecting people, data, and technology to transform infrastructure and energy systems worldwide.

BOUYGUES UKbouygues-uk.com

Leading construction and property development company focusing on sustainable building, community regeneration, and diverse sector projects including housing and healthcare.

WORKworkltd.co.uk

Multidisciplinary team combining advanced digital design studio expertise with construction, focusing on hyper-granular BIM for sustainable, cost-effective, and compliant building projects.

HG Constructionhgconstruction.co.uk

Delivers high-quality residential, student, commercial, retirement, hotel schemes nationwide. Offers in-house self-delivery, including offsite manufacturing, M&E, concrete frames, piling, dry lining.

TClarketclarke.com

Industry leader in design, installation, integration, and maintenance of digital, mechanical, and electrical technologies for sustainable 21st century buildings in the UK

Construction Enquirerconstructionenquirer.com

A UK construction news service offering work leads, market data, and recruitment services, reaching a wide audience with high engagement rates

Waterman Groupwatermangroup.com

A multidisciplinary consultancy providing sustainable solutions in planning, engineering, design, and project delivery for property, infrastructure, environment, and energy markets

Ardmore Groupardmoregroup.co.uk

Family-owned UK construction group specializing in major projects in London, including residential, commercial, and public developments, with focus on talent development and apprenticeships

Construction Newsconstructionnews.co.uk

A prominent source of news, insights, and events for the construction industry in the UK

Phoenix MEphoenixme.co.uk

A leading industry specialist in designing, installing, and commissioning mechanical and electrical systems for various sectors with a focus on safety and client satisfaction

Kilnbridgekilnbridge.com

An engineering and construction business specializing in complex structural alterations, civil engineering, reinforced concrete work, structural steelwork, and waste management

Danny Sullivan Grouplinktr.ee

Provider of skilled labor and workforce solutions in the UK, specializing in infrastructure projects Commitment to excellence, ethical values, and community growth through training and development

Chevron Traffic Managementchevrontm.com

Providing comprehensive traffic management and safety services for highways, construction, rail, utilities, and events to protect workers and public.

Errigalerrigalcontracts.com

A leading interior fitout company specializing in partition systems, ceilings, and bespoke solutions, with a strong reputation for quality and innovation

Bovisbovis.com

Deliver complex, high-quality construction projects across sectors with sustainable practices, expert teams, and strategic leadership for lasting impact.

McAleer & Rushemcaleer-rushe.co.uk

Leading Design & Build Contractor throughout UK & Ireland delivering large-scale projects in student accommodation, residential, hotel, and commercial office sectors.

CHPchpgrp.com

Cost management consultancy with international expertise, delivering projects across the UK, Europe, and North America in various sectors for over 30 years

STATOM Group Ltdstatom.co.uk

Trusted provider of comprehensive Civil Engineering, Demolition, Remediation, Groundworks, and Structural solutions for the UK market, ensuring quality, reliability, and innovation.

CONSTRUCTconstruct.org.uk

A professional organization in the construction industry promoting excellence in concrete by improving safety and efficiency, coordinating interests, promoting innovation, and addressing best practices

AESGaesg.com

International consultancy engineering advisory firm driving sustainability in the built environment. Provides bespoke strategic solutions to clients in various sectors with specialist expertise.

MadiganGillmadigangill.co.uk

A top tier Construction Services Provider with three specialist divisions offering professional, hands-on services with a focus on innovation and ethical standards

Gratte Brothers Groupgratte.com

A leading provider of comprehensive building services, offering design, installation, and maintenance solutions for building services, engineering, security systems, and foodservice facilities

Cumming Group UK & Europecumming-group.com

A leading property and construction consultancy offering bespoke services across various sectors worldwide, with a focus on client value and long-standing relationships

Family Mosaicpeabody.org.uk

Social housing landlord in London and the South East with 111,000 residents and 8,000 care and support customers

McGeemcgee.co.uk

Specialist engineering contractor with over 65 years of experience delivering high profile, complex engineering projects since 1959.

Contracta Construction UK Ltdcontractaconstruction.co.uk

A construction and real estate company executing public and private projects nationally and internationally, focusing on efficiency, sustainability, and new technologies

STRABAG UKkarriere.strabag.com

employs 86,000 people globally, specializing in building construction, road construction, civil engineering, bridge building, tunnelling, project development, and facility management.

Systechsystech-int.com

Provides commercial management, contract administration, planning, claims, dispute resolution, and legal services for global construction and infrastructure projects.

Clipfine Ltdclipfine.com

A family-owned construction support services company in Camden, London, specializing in prestigious and challenging projects throughout the UK

VVB Engineeringvvb-eng.com

A specialized engineering firm offering mechanical, electrical, telecommunications, and fire expertise for large-scale infrastructure projects, focused on efficiency and risk minimization

The Erith Grouperith.com

We offer cost-effective and high-quality consulting services with minimal environmental impact, tailored to meet the unique needs and goals of each client

Clesharcleshar.co.uk

A multidisciplinary company in the UK's rail infrastructure sector, employing over 1,400 people to deliver high-quality rail services for a sustainable future

Catalyst Housing Limitedpeabodygroup.org.uk

A newly merged organization formed from Catalyst and Peabody, now operating under the name Peabody Visit our LinkedIn page for more information

Troup Bywaters + Anderstbanda.com

High-performing engineering partnership providing building services consultancy, with a focus on creating exceptional environments and winning numerous awards for excellence

BW: Workplace Expertswearebw.com

Specializes in office fitouts and refurbishments with a focus on defect-free projects, reliability, collaboration, and client satisfaction.

Structure Tone Londonstobuildinggroup.com

Operating as a fit-out and refurbishment contractor in London, creating amazing spaces with local expertise, global backing, and a people-first, trusted delivery approach.

Reds10reds10.com

Redefines construction, integrating design, manufacturing, and delivery to build better homes, schools, hospitals, and vital infrastructure quickly, smartly, sustainably.

MOLA (Museum of London Archaeology)mola.org.uk

MOLA provides expert archaeological and built heritage services internationally, offering advice, research, education, and consultation to benefit the public

Alandale Group of Companiesalandaleuk.com

Specializing in logistical services for the construction industry, providing practical solutions, support services, security guards, and management systems for construction projects

Oliver Connell and Son Ltdoliverconnell.com

Specialist subcontractor for groundwork, civil engineering, RC frames, architectural concrete, rail, and aviation projects, established in 1974 with over 100 million turnover.

Stacestace.co.uk

A leading construction and property consultancy delivering project management, cost management, building surveying, health & safety, and monitoring surveying services across the UK

Bryden Woodbrydenwood.com

The company specializes in applying a Design to Value approach to construction, using data, technology, and imagination to deliver efficient solutions

8build8build.com

The company delivers seamless and transformative spaces through heavy refurbishments, fit outs, new builds, and improvements across all sectors

Laminar Projectslaminarprojects.com

A construction project management company offering expertise in planning, controls, delivery management, and digital solutions tailored to each project

Modusbit.ly

A leading UK design and fit-out company offering cutting edge design, technology, workplace innovation, and complete project solutions with ongoing support services

PSH.pshconsulting.co.uk

An innovative Mechanical & Electrical design consultancy passionate about providing full MEP Building Services to clients across the UK, Ireland & Mainland Europe

GKR Scaffolding Ltdgkrscaffolding.co.uk

Dedicated to excellence in scaffolding and access solutions, committed to constant improvement, sustainability, and creating a better future for communities

ASFD | Engineered Designjrlgroup.co.uk

A design and engineering team integrated into a construction group, specializing in delivering innovative façade solutions for complex real estate projects

Construction Managerexete.cc

A global federation connecting construction professionals, facilitating business setup, organizing exhibitions, and assisting in investing in futuristic projects worldwide

chapmanbdspchapmanbdsp.com

Global building services and environmental engineering firm delivering sustainable projects across various industries with a focus on creativity and practicality

RBKC Building Controlrbkc.gov.uk

A not-for-profit public body providing building control and regulations consultancy services in the Royal Borough of Kensington and Chelsea

Size Groupsize-group.co.uk

Specialist construction company in London and Europe, offering high-quality services for prime residences, including new builds, refurbishments, extensions, and maintenance

CMT Group (UK)cmt.co.uk

Supplier for construction, infrastructure, industry, and education, prioritizing team safety through fast delivery, quality service, and customer satisfaction

Parkeray Ltdparkeray.co.uk

Specializes in fitting out and refurbishing office buildings and commercial premises in central London and the Home Counties, creating high-quality working environments.

Dragados UK & Ireland

A leading construction brand specializing in infrastructure projects, with a strong track record building tunnels, roads, bridges, airports, and more

FulkersBaileyRussell | Certified B Corpfulkers.co.uk

A multi-disciplinary construction consultancy offering project management, cost management, building surveying, health and safety services, architecture, and more

Canary Wharf Contractorscwg.com

CWCL manages and delivers construction projects, overseeing design, procurement, scheduling, cost control, quality, safety, and coordination for successful project completion

Knowles Constructionknowles.uk.com

Specializing in super-prime residential and commercial projects, this leading construction company delivers complex schemes from concept to completion in London and the Home Counties

Logiclogic-bespoke.com

Specialist manufacturer of planters, seating, and innovative modular components with unique planter edging system to enhance amenity spaces with confidence and design freedom

MJS

The company provides professional design services, architectural and building engineering, and construction management for residential and commercial projects

O'Shea Grouposhea.co.uk

A leading property development company in London and the South East, delivering quality and sustainable projects across various sectors

Group Metropolitangroupmetropolitan.com

A respected mechanical & electrical services contractor specializing in critical engineering systems, offering bespoke solutions, best-in-class service, and project management with client-centric focus

Elliott Woodelliottwood.co.uk

A diverse team of structural and civil engineers, sustainability consultants, and BIM specialists passionate about engineering for the common good

LABC

Promoting safe, accessible, and energy-efficient design and construction within building regulations for local authority building control surveyors in England and Wales

Price & Myerspricemyers.com

Structural and civil engineering practice providing elegant, efficient design solutions for architects and clients across diverse project types.

Knight Harwoodknightharwood.com

Constructs new buildings, alters, refurbishes, remodels existing dilapidated buildings, and fits out interior spaces for commercial, retail, educational, residential, and historic properties.

Enableenable-team.com

A collaborative network of sector specialists providing comprehensive infrastructure solutions to meet the needs of various communities, clients, and customers

Sygna.sygna.com

Specializing in commissioning management and technical services for data centers, offices, infrastructure, and hospitality resorts to ensure reliable building services and technology systems

LDD Construction Limitedlddconstruction.co.uk

A multidisciplinary construction company in London and the South East, specializing in diamond drilling, sawing, controlled demolition, passive fire protection, builders work, and strip out services

Platt Reillyplattreilly.com

A specialist partition and ceiling company undertaking large high-spec projects in the UK, Ireland, and Mumbai, with a focus on innovation and landmark developments

Eckersley O'Callaghaneocengineers.com

Specializes in innovative structural engineering for diverse building projects worldwide, including facades, glass structures, and marine design.

BESA Groupthebesa.com

UK's leading trade association for building services engineering contractors, representing firms in design, installation, commissioning, maintenance, control, and management of engineering systems.

Urang Group Ltdurang.co.uk

A company established in 1999 with divisions in Property Management, Building, and Cleaning & Maintenance, offering various services in London

Roots Group UKrootsgroupuk.com

A UK-based group with subsidiaries in the UK, KSA, and UAE providing construction equipment distribution, building material manufacturing, interior design, and fit-out services

ODGroup.od-group.com

This company brings projects to life with integrated, high-quality design, project management, and construction services. Specializing in fit-outs and refurbishment across various sectors, creating exceptional workspaces.

Cast Consultancycast-consultancy.com

Specialist integrated consultancy advising residential developers, investors, policymakers & construction supply chain Industry expertise in student accommodation, build to rent, senior living, and regeneration Passionate about driving industry change

Curo Construction ltdcuroconstruction.com

A privately owned construction company offering unique solutions for fit out, refurbishment, and new build projects across various sectors with a focus on professionalism and innovation

Delatim Ltddelatim.co.uk

Construction and building services company offering design, installation, and maintenance solutions across various sectors with a skilled workforce and industry accreditations for project delivery

Dome Consulting Ltddomegroup.co.uk

Consultancy practice specializing in commissioning management, operation & maintenance for construction industry Provides innovative software solutions for project collaboration, O&M, and workflow management

World Green Building Councilworldgbc.org

Global network working to transform the built environment to be healthier and more sustainable, focusing on reducing emissions and promoting green buildings worldwide

Quarterbackqbre.com

The company reimagines real estate through innovative solutions and efficient execution

ESS Modularessmodular.com

A leading provider of modular off-site construction solutions, championing modern methods of construction and emphasizing quality and efficiency

ZERO Constructzeroconstruct.com

Promoting sustainability in the construction industry by shifting towards net zero emissions, advocating for carbon efficiency, and raising awareness through accessible content

Swanton Consulting Ltdswantonconsulting.co.uk

Specialist engineering firm offering practical solutions for complex building refurbishment, alteration, and demolition projects including temporary works, facades, and retaining walls

DSA Engineering Ltddsaengineers.com

Engineering design consultancy specializing in innovative and cost-effective mechanical and electrical designs, prioritizing sustainability and client involvement, with a passion for creativity and innovation

The Lift Consultancytheliftconsultancy.co.uk

Independent lift consultants providing advice and services for lift modernisations, maintenance, new developments, safety, regulations, and traffic analysis including escalators.

SafeSmart Access EMEAsafesmartaccess.co.uk

Innovative provider of high-quality height access equipment, specializing in custom designs for all industries to improve safety and efficiency

Tyrrell Flooring Ltdtyrrellflooring.com

The company specializes in providing tailored and durable flooring solutions for commercial spaces, working closely with construction professionals to deliver quality installations

Lambourne Carpets & Flooring Ltdlambournecarpets.co.uk

A leading provider of commercial and residential flooring solutions, prioritizing quality service and customer care with financial stability for large projects