10 Of The Biggest Construction Companies in the UK!

The construction industry in the United Kingdom is a powerhouse, driving economic growth, infrastructure development, and urban transformation.

Over the years, numerous construction companies have emerged as industry leaders, shaping skylines and leaving a lasting impact on the built environment.

In this article, we will explore and highlight some of the biggest construction companies in the UK, renowned for their size, expertise, and contribution to the nation’s infrastructure development.

1. Balfour Beatty

With a rich history spanning over a century, Balfour Beatty has solidified its position as one of the largest construction and infrastructure companies in the UK.

This multinational company operates in various sectors, including transportation, power, and utility infrastructure.

Balfour Beatty has been involved in iconic projects such as the London Olympics Aquatics Centre, Crossrail, and the Thames Tideway Tunnel.

Its commitment to innovation and delivering complex projects has earned it a reputation as a leading force in the construction industry.

Contact info:

Tel: 020 7216 6800

Website: https://www.balfourbeatty.com/

Address: 5 Churchill Place, Canary Wharf, London E14 5HU

2. Laing O’Rourke

Laing O’Rourke is an internationally recognized engineering enterprise with a strong presence in the UK.

This privately-owned company specializes in large-scale construction projects, encompassing sectors like infrastructure, oil and gas, and commercial buildings.

Laing O’Rourke has worked on significant projects like the Alder Hey Children’s Hospital, Heathrow Terminal 5, and the redevelopment of London’s Olympic Park.

The company’s emphasis on modern methods of construction and digital engineering has propelled it to the forefront of the industry.

Contact info:

Tel: +44 (0)1322 296200

Email: info@laingorourke.com

Website: https://www.laingorourke.com/

Address: Bridge Place 1 & 2 Anchor Boulevard, Crossways Dartford Kent, DA2 6SN United Kingdom

3. Sir Robert McAlpine

Founded in 1869, Sir Robert McAlpine is one of the oldest and most respected construction companies in the UK.

Known for its excellence in engineering and construction, the company has been involved in numerous landmark projects, including the Eden Project, the Olympic Stadium in London, and the Manchester Town Hall refurbishment.

Sir Robert McAlpine is renowned for its focus on safety, collaboration, and earning the trust of clients and stakeholders alike.

Contact info:

Tel: +44 (0) 333 566 3444

Email: information@srm.com

Website: https://www.srm.com/

Address: Sir Robert McAlpine Ltd, Eaton Court, Maylands Avenue, Hemel Hempstead, Hertfordshire HP2 7TR

4. Skanska UK

Skanska UK, a subsidiary of the Swedish multinational construction company, Skanska AB, has a significant presence in the UK construction market.

The company specializes in various sectors, including commercial, infrastructure, and residential development.

Skanska UK has contributed to notable projects such as the Gherkin (30 St Mary Axe), the Moorgate Exchange, and the Queen’s Terminal at Heathrow Airport.

Contact info:

Tel: +44 (0) 330 105 1114

Website: https://www.skanska.co.uk/

Address: 2 Parklands Way, Eurocentral, Motherwell ML1 4WR

5. Kier Group

Kier Group is a leading construction, infrastructure, and property services company in the UK.

With a history dating back to 1928, Kier Group has amassed expertise in various sectors, including housing, education, and healthcare.

The company has been involved in prestigious projects such as the Royal Opera House renovation, the Victoria and Albert Museum expansion, and the Hinkley Point C nuclear power station.

Kier Group’s emphasis on delivering sustainable solutions and its commitment to corporate social responsibility has cemented its position as a key player in the industry.

Contact info:

Tel: +44 20 3280 6000

Website: https://www.kier.co.uk/

Address: 6 Cavendish Pl, London W1G 9NB, United Kingdom

6. Morgan Sindall Construction

Morgan Sindall Construction is a leading UK construction and infrastructure company with a strong reputation for delivering complex projects across various sectors, including education, healthcare, and commercial buildings.

The company has worked on notable projects such as the University of Hertfordshire’s new science building, the National Graphene Institute in Manchester, and the redevelopment of London’s Battersea Power Station.

Morgan Sindall Construction is known for its collaborative approach, focus on sustainability, and commitment to creating long-lasting, high-quality structures.

Contact info:

Tel: +44 161 874 1000

Website: https://www.morgansindallconstruction.com/

Address: 5th & 6th floor, 2 Anchorage Quay, Salford M50 3YW, United Kingdom

7. Galliford Try

Galliford Try is a well-established construction company operating in the UK and internationally.

The company specializes in a range of sectors, including housing, transportation, and regeneration projects.

Galliford Try has been involved in significant projects such as the Aberdeen Western Peripheral Route, the Silverstone University Technical College, and the New Wear Crossing in Sunderland.

With a reputation for delivering innovative solutions, Galliford Try continues to make a substantial contribution to the UK’s construction industry.

Contact info:

Tel: +44 1895 855000

Website: https://www.gallifordtry.co.uk/

Address: Cowley Business Park, Cowley, Uxbridge UB8 2AL, United Kingdom

8. Costain Group

Costain Group is an engineering solutions provider with expertise in infrastructure projects across various sectors, including transportation, energy, and water.

The company has a long history dating back to 1865 and has been involved in notable projects such as the Thames Estuary Asset Management Program, the A14 Cambridge to Huntingdon Improvement Scheme, and the redevelopment of London Bridge Station.

Costain Group focuses on integrating technology and digital solutions into its projects to drive efficiency, safety, and sustainability.


Tel: +44 24 7661 2777

Website: https://www.costain.com/

Address: 1 Vanwall Rd, Maidenhead SL6 4UB, United Kingdom

9. Willmott Dixon

Willmott Dixon is a privately-owned construction and property services company operating across the UK.

The company has a diverse portfolio, including projects in sectors such as education, healthcare, leisure, and residential.

Willmott Dixon has worked on projects like the University of Birmingham’s Collaborative Teaching Laboratory, the National Space Centre in Leicester, and the refurbishment of Alexandra Palace in London.

Contact info:

Tel: 020 7634 9600

Email: bev.williams@willmottdixon.co.uk

Website: https://www.willmottdixon.co.uk/

Address: The Bailey, 16 Old Bailey, London EC4M 7EG

10. BAM Construct UK

BAM Construct UK is a subsidiary of the Royal BAM Group, a multinational construction and engineering company.

Operating in the UK since 1874, BAM Construct UK has delivered a wide range of projects, including commercial buildings, education facilities, and cultural landmarks.

The company’s notable projects include the Leadenhall Building (the Cheesegrater) in London, the International Convention Centre in Birmingham, and the Library of Birmingham.

Contact info:

Tel: +44 1442 238300

Website: https://www.bam.co.uk/

Address: Breakspear Park, Breakspear Way, Hemel Hempstead HP2 4FL, United Kingdom