Construction Companies in London
London, one of the world’s most dynamic cities, is renowned for its rich history, iconic architecture, and continuous growth. The construction industry plays a vital role in shaping the city’s landscape, from developing modern skyscrapers that redefine the skyline to restoring historic landmarks that preserve London’s heritage. Behind these monumental projects are some of the UK’s most prominent construction companies, each bringing expertise, innovation, and a commitment to excellence.
This guide will introduce you to the top 10 construction companies in London, highlighting their contributions to the city’s ever-evolving infrastructure and built environment. Whether you’re interested in large-scale infrastructure, residential developments, or sustainable construction practices, these companies represent the best in the industry, driving London’s development into the future.
1. Balfour Beatty
Balfour Beatty is the largest and one of the most prominent construction and infrastructure companies in the UK. Founded in 1909, the company has built a reputation for delivering complex and high-profile projects. With a workforce of over 26,000 employees, Balfour Beatty operates in various sectors including transportation, power, water, and social infrastructure.
Key Projects:
- Crossrail: One of the largest infrastructure projects in Europe, Balfour Beatty played a significant role in delivering sections of this new railway system across London.
- Battersea Power Station: The company was instrumental in the restoration and redevelopment of this iconic London landmark into a mixed-use development.
Expertise: Balfour Beatty is known for its ability to manage large-scale projects from conception to completion. Their expertise spans across civil engineering, construction management, and project financing. The company is also committed to sustainability, with a focus on reducing carbon emissions across all their projects.
Contact Information:
- Website: balfourbeatty.com
- Address: 5 Churchill Place, Canary Wharf, London E14 5HU
- Contact: +44 20 7216 6800
2. Morgan Sindall Group
Morgan Sindall Group is a UK-based construction and regeneration company that has earned a strong reputation across public and private sectors. Founded in 1977, the company has grown through strategic acquisitions and a commitment to excellence in construction and infrastructure.
Key Projects:
- University of Sheffield Engineering Building: Morgan Sindall delivered this state-of-the-art educational facility, demonstrating their capability in handling complex and innovative projects.
- London Underground Upgrades: The company has been involved in various upgrade projects to improve London’s public transportation system.
Expertise: Morgan Sindall offers a broad range of services, including construction, infrastructure, fit-out, property services, and partnership housing. They are particularly known for their work in urban regeneration and are committed to creating sustainable communities.
Contact Information:
- Website: morgansindall.com
- Address: Kent House, 14-17 Market Place, London W1W 8AJ
- Contact: +44 20 7307 9200
3. Kier Group
Kier Group is a leading construction and infrastructure services company with a history dating back to 1928. They operate across a broad range of sectors, including health, education, transportation, and utilities.
Key Projects:
- Oxfordshire Connect Rail Scheme: This project highlights Kier’s strength in transportation infrastructure, where they delivered vital upgrades to the rail network.
- Ministry of Justice Prisons Programme: Kier has been heavily involved in constructing and refurbishing prison facilities across the UK.
Expertise: Kier is known for its integrated approach, offering services that range from design and build to facilities management. They have a strong focus on innovation, particularly in the areas of digital construction and sustainability, ensuring that their projects meet the highest standards of quality and efficiency.
Contact Information:
- Website: kier.co.uk
- Address: 81 Fountain Street, Manchester M2 2EE (London office)
- Contact: +44 1473 211100
4. Laing O’Rourke
Laing O’Rourke is the largest privately-owned construction company in the UK, founded in 1978 by Ray O’Rourke. The company has built a strong portfolio of high-profile projects, both domestically and internationally.
Key Projects:
- Heathrow Terminal 5: A major project that showcases Laing O’Rourke’s expertise in delivering large-scale infrastructure.
- London Crossrail: The company has been involved in several critical phases of this significant urban transportation project.
Expertise: Laing O’Rourke is known for its engineering excellence and innovative construction techniques. They have invested heavily in off-site manufacturing, which allows for more efficient construction processes. Their commitment to sustainability and safety also sets them apart as leaders in the industry.
Contact Information:
- Website: laingorourke.com
- Address: Bridge Place, 1-2 Anchor Blvd, Dartford, Kent DA2 6SN
- Contact: +44 1322 296200
5. Mace Group
Mace Group is a global consultancy and construction company with a strong presence in London. Founded in 1990, Mace has grown into a significant player in the construction industry, known for its innovative approach and commitment to delivering complex projects.
Key Projects:
- The Shard: As one of the tallest buildings in Europe, Mace was the lead contractor in delivering this iconic addition to London’s skyline.
- Tottenham Hotspur Stadium: Mace played a crucial role in the construction of this state-of-the-art sports facility.
Expertise: Mace’s expertise spans the entire property lifecycle, from development and consultancy to construction and operations. They are particularly recognized for their work in urban regeneration, high-rise buildings, and major infrastructure projects. Sustainability and innovation are central to their business strategy, ensuring they deliver long-term value for their clients.
Contact Information:
- Website: macegroup.com
- Address: 155 Moorgate, London EC2M 6XB
- Contact: +44 20 3522 3000
6. ISG plc
ISG plc, originally known as Interior Services Group, was founded in 1994 and has since become a leading provider of construction and fit-out services. The company operates across multiple sectors, including commercial, education, healthcare, and technology.
Key Projects:
- Waterloo International Redevelopment: ISG was responsible for converting this former Eurostar terminal into a vibrant commercial space.
- Britishvolt Gigafactory: A major project highlighting ISG’s capability in delivering cutting-edge industrial facilities.
Expertise: ISG is known for its specialization in fit-out, construction, and engineering services. They have a reputation for delivering high-quality projects on time and within budget, with a strong emphasis on customer satisfaction. Their innovative approach, particularly in sustainable construction, positions them as a leader in the industry.
Contact Information:
- Website: isgltd.com
- Address: Aldgate House, 33 Aldgate High Street, London EC3N 1AG
- Contact: +44 20 7247 1717
7. Tarmac Trading Ltd
Tarmac Trading Ltd, a CRH company, is the UK’s leading sustainable building materials and construction solutions provider. With a history stretching back over a century, Tarmac has been at the forefront of construction innovation, particularly in the development of modern road systems.
Key Projects:
- Wembley Stadium: Tarmac supplied the materials and expertise needed to construct this iconic sports venue.
- The Shard: Their products were also integral to the construction of one of London’s most recognizable skyscrapers.
Expertise: Tarmac’s services cover a broad spectrum, including the production of aggregates, asphalt, cement, and ready-mix concrete. They are also involved in road contracting, highways maintenance, and infrastructure services. Tarmac is known for its commitment to sustainability, leading the industry in developing eco-friendly building materials.
Contact Information:
- Website: tarmac.com
- Address: Portland House, Bickenhill Lane, Birmingham B37 7BQ (London operations)
- Contact: +44 121 500 4200
8. Amey PLC
Amey PLC, established in 1921, is one of the UK’s leading infrastructure support service providers. The company offers a wide range of services across sectors like transport, utilities, and public services.
Key Projects:
- Thames Tideway Tunnel: Amey has been heavily involved in this critical infrastructure project aimed at improving London’s sewage system.
- Heathrow Airport: The company has delivered several key projects, including upgrades to terminals and airfield services.
Expertise: Amey is known for its holistic approach to infrastructure management, offering services that span the entire lifecycle of public and private assets. Their focus on sustainability and innovation ensures they remain at the cutting edge of the industry, particularly in the adoption of new technologies like drones for infrastructure inspections.
Contact Information:
- Website: amey.co.uk
- Address: Chancery House, 53-64 Chancery Lane, London WC2A 1QS
- Contact: +44 20 7759 4700
9. Wates Group
Wates Group, founded in 1897, is one of the UK’s oldest construction companies, still family-owned and operated. They are known for their commitment to quality and sustainability, with a focus on delivering projects that positively impact communities.
Key Projects:
- Birmingham New Street Station: Wates was a key contractor in the redevelopment of this major transportation hub.
- Wembley Housing Development: The company has been instrumental in delivering affordable housing projects across London.
Expertise: Wates offers a wide range of services, including construction, residential development, and facilities management. They have a strong focus on sustainability, aiming to be net-zero by 2025. Their approach to business is rooted in strong family values, emphasizing quality, safety, and integrity in all their projects.
Contact Information:
- Website: wates.co.uk
- Address: Wates House, Station Approach, Leatherhead, Surrey KT22 7SW (London projects)
- Contact: +44 1372 861000
10. Keller Group
Keller Group is a world leader in geotechnical solutions, specializing in ground engineering and foundation services. Founded in 1860, the company is now listed on the London Stock Exchange and is part of the FTSE 250 Index. With operations in over 40 countries, Keller is a truly global player in the construction industry.
Key Projects:
- London Underground Expansion: Keller has played a crucial role in various expansion projects of the London Underground, providing specialized ground engineering services.
- Crossrail: Keller’s expertise in foundation and ground improvement was pivotal in ensuring the success of the Crossrail project.
Expertise: Keller Group is known for its ability to handle challenging ground conditions, offering solutions such as piling, ground improvement, and environmental services. Their innovative techniques have made them a go-to choice for complex infrastructure projects worldwide. Keller is also committed to sustainability, continuously developing new methods to reduce environmental impact.
Contact Information:
- Website: keller.com
- Address: Thames Court, 1 Victoria Street, Windsor SL4 1YB
- Contact: +44 1753 850000
These ten companies are at the forefront of the construction industry in London, known for their significant contributions to the city’s infrastructure and built environment. Each of these firms brings unique strengths and expertise to the table, ensuring that London continues to grow and thrive as a global city.