logo for UK Construction Blog

Blog Details

Top Construction Companies in the UK by Revenue

The construction sector is a cornerstone of the UK’s economy, contributing a significant £117 billion to the GDP in 2019, or about 6% of the total economy. It’s a major source of employment, with over 2.4 million jobs, playing a key role in not only driving economic growth but also in bringing communities together and pushing the boundaries of innovation across the UK. From the bustling cities to the quiet countryside, the construction industry helps shape the landscape of the nation, making it an essential part of our daily lives and the future we’re building together.

Construction Company Name2023 Revenue (£bn)Change (%)Pre-tax Profit (£m)Previous Pre-tax Profit (£m)EmployeesHeadquartersNotable Projects
Balfour Beatty7.63+6.22878726,000LondonLondon 2012 Olympic Stadium, Olympic Park
Morgan Sindall Group3.61+12.485.3126.26,700LondonTideway Super Sewer, Werrington Grade Separation
Kier Group3.14-3.615.95.615,000Sandy, BedfordshireHinkley Point C nuclear power station
Keller Group2.99+34.756.367.510,000LondonVarious ground engineering solutions
Amey UK*2.33+12.282-10.616,000OxfordThames Tideway Tunnel, Heathrow Airport
ISG2.19-3.511.518.52,800LondonAldwych Quarter, Network Rail offices
Tarmac Trading2.14+16.8263.1-129.87,000SolihullThe Shard, Heathrow Terminal 5
Mace1.94+0.236.538.36,000LondonThe Shard, Tottenham Hotspur Stadium
Laing O’Rourke1.81+10.316.24.912,000DartfordLeadenhall Building, Heathrow Terminal 5

Key UK Construction Companies

  • Balfour Beatty leads the pack with a reported revenue of £8.4 billion in 2020. Recognized for its involvement in notable projects like the London 2012 Olympic Stadium and the transformation of the Olympic Park, this multinational entity operates in over 80 countries.
  • Kier Group stands out not just for its construction prowess but also for its dedication to sustainability and innovation. Employing approximately 15,000 people, Kier Group had revenues of £4.5 billion in 2020 and has been involved in significant developments like the Hinkley Point C nuclear power station.
  • Morgan Sindall Group showcases financial stability and growth, with an annual revenue of £3.2 billion in 2020. The company has been part of crucial projects such as the Tideway Super Sewer and the Werrington Grade Separation.
  • Amey PLC excels in infrastructure support across various sectors, managing contracts worth over £2.5 billion annually. Their projects, like the Thames Tideway Tunnel and Heathrow Airport, highlight their contribution to the UK’s infrastructure.
  • Tarmac Trading Ltd, focusing on building materials and construction services, plays a pivotal role with involvement in projects like The Shard and Heathrow Terminal 5. The company employs over 7,000 people across the UK.
  • Keller Group reported a global revenue of £2.3 billion in 2020, known for its ground engineering solutions and building a significant number of new build homes across the East Midlands. It employs over 10,000 staff worldwide, contributing to the UK industry with solutions for complex engineering challenges.
  • ISG plc, a specialist in construction, engineering, and fit-out services, has worked on notable projects with a focus on sustainability and innovation. The company has a strong financial performance with revenues reaching £2.2 billion in 2020.
  • Mace Ltd has been instrumental in iconic UK projects, with a global turnover of £1.8 billion in 2020. Their comprehensive services span the entire property lifecycle, emphasising their role in the construction sector.
  • Laing O’Rourke reported revenues of £3.3 billion in the fiscal year 2020, known for its innovative approach in projects such as the Leadenhall Building and Heathrow Terminal 5.

Regional Spread and Impact

The geographical spread of the UK’s leading construction companies underscores the industry’s pivotal role in stimulating local economies and fostering community development from the highlands of Scotland to the southern coasts of England. Their presence in various regions not only diversifies the economic base but also brings significant employment opportunities, skills development, and infrastructure enhancement to these areas.

North and Scotland: In the North of England and Scotland, companies like Laing O’Rourke and Balfour Beatty have been instrumental in developing critical infrastructure, including transport networks and renewable energy projects, contributing to job creation and economic resilience. The development of the Hinkley Point C nuclear power station by Kier Group is a testament to the sector’s impact on regional development, enhancing local supply chains and providing high-skilled jobs.

Midlands and Wales: The Midlands, often considered the heartland of the UK’s construction industry, has seen a surge in projects, particularly in residential and commercial sectors, driven by companies like Tarmac Trading Ltd and Morgan Sindall Group. These projects not only boost the local economy but also play a crucial role in urban regeneration. In Wales, infrastructure and housing developments are supporting local economies, with companies actively involved in community engagement initiatives.

London and the South East: The concentration of projects like The Shard and the transformation of the Olympic Park in London and the South East highlights the region’s role as a hub for architectural innovation and large-scale development projects. This not only contributes to the urban landscape but also to the economic dynamism of the area, attracting international investment.

Northern Ireland: The construction sector in Northern Ireland has seen growth with projects across residential, commercial, and public sectors. The involvement of UK-based companies in these projects brings in expertise and fosters local employment, contributing to the region’s economic development.

Contributions to Local Communities: Beyond economic contributions, these construction companies play a significant role in community development through CSR initiatives. These range from educational programs and apprenticeships that aim to build local skill sets, to sustainability projects that focus on environmental conservation in the regions they operate.

Impact on Local Supply Chains: The presence of these construction giants stimulates local supply chains, from SMEs to larger suppliers. By sourcing materials and services locally, these companies not only support the local economy but also contribute to reducing the carbon footprint of their projects, aligning with the industry’s shift towards sustainability.

Industry Trends and Future Outlook

The UK construction industry is set to grow, with significant investments in infrastructure projected to reach £600 billion over the next decade. Despite challenges such as the decline in investment in 2020, the future looks promising with a focus on innovative solutions and sustainable practices.

Emerging companies like Skanska UK plc and Wates Group plc, alongside established giants, are at the forefront of introducing new technologies and approaches. With the industry’s push towards zero-carbon construction and digital transformation, these players are essential in driving growth, innovation, and sustainability in the UK construction industry.

In summary, the UK construction industry is a testament to the resilience, innovation, and dedication of its leading companies. With a focus on sustainability, community impact, and infrastructure development, these companies are not only building structures but also shaping the future of the UK, supported by robust financial performances and significant contributions to the national economy.