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Top 10 Largest Companies In The Construction Industry (UK - 2023)
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Top 10 Largest Companies In The Construction Industry (UK - 2023)

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Top 10 Largest Companies In The Construction Industry (UK - 2023)

Have you ever wondered who are the largest companies in the construction industry? Who is making the highest turnover? This is an interesting insight into the highest revenue producing companies in the UK and who they are.

These businesses have reached their peak of success thanks to hard work, exceptional construction and design processes, strategic marketing and skilled and innovative staff teams. You can learn about scaling your business from a free business development call with Trade Coaches.

For inspiration, here are 10 of the largest construction companies in the UK:


1. Kier Group Plc

Kier was founded in 1928 as a specialist concrete company and is a leading provider of construction and infrastructure services, providing specialist design and build capabilities. Kier has done very well to remain in a strong position after their near collapse. The group reached a turnover of £3.171 billion for year. Kier employs around 20,000 people operating mainly in the UK. 

Some projects you might know include Hinkley Point C (Europe's largest construction site), Deephams Wastewater Treatment Plant (one of the biggest water projects in the UK delivered for Thames Water) and the Luton DART (Direct Air-Rail Transit) a 2.1km people mover taking people from Luton Airport Parkway to Luton Airport.  

2. Morgan Sindall Group Plc

Morgan Sindall was founded in 1977 by John Morgan and Jack Lovel and is a leading Construction and Regeneration group comprising eight complementary subsidiary businesses. 

The group focuses on affordable housing, urban regeneration and infrastructure and construction investment. Morgan Sindall reached a turnover of £2.215 billion for the year. They employ around 6,600 people and operate in the UK. 

Some projects you might know of include Tideway Super Sewer, Werrington Grade Separation, M5 Oldbury Viaduct and recently White Chapel Station Expansion in London. 

3. Mace Group Ltd

Mace is a global consultancy company and construction firm founded in 1990 by Ian Machpherson whose ambition was to bring new and more collaborative ways of working in the construction industry.

In 2008 Mace expanded its services to consultancy and construction across the entire property life cycle. They employ around 5,000 employees and operate in over 70 countries.

Some projects you might know include The London Eye, The Venetian in Macua in 2007, The Emirates Eye Line completed in 2012, The Shard in 2012 and more recently Tottenham Hotspur Stadium in 2019 and The NHS Nightingale Hospital in 2020.

4. Winvic Group

Winvic is a multidisciplinary main contractor excelling in the delivery of construction and specialising in industrial, build to rent, student accommodation and civil engineering projects in the UK. Winvic was established in 2001 by Simon Girardier, Simon Hunt and Dave Ward when their first projects were Swan Valley and Brackmills in Northampton.

Winvic key numbers to date are £1 billion plus turnover, over 75 million q ft of industrial space constructed, over 8,000 multi-room beds developed, over 35 kilometres of highways work, over 3,000 acres of major sites developed, 6 Zero Carbon buildings and 6 WELL ready projects

Winvic Group projects include the Mercia Park Infrastructure, DIRFT III Rail Infrastructure, DPD Hub in Hinckley Park, a Mega-shed for Sports Direct and recently started work on the Rushden Lakes Retail and Leisure park

5. ISG Plc

ISG was founded in 1994 by Ivan Millar and is a leading specialist in the construction industry offering engineering, fit out and construction services in 5 specific sections - Science & Health, Technology, Education & Public Sector, Offices and Hospitality & Leisure.

ISG turnover was recorded at £1.311 billion in the period ended 2022. The business employs nearly 3,000 staff worldwide. ISG have seen a reduction in turnover as the company was affected by COVID-19.

Some projects you might know include the new Cardiff Transport Interchange due to be completed in 2023, Britishvolt Gigafactory, Lord’s cricket ground, Waterloo International redevelopment, and Wigan Town Hall.

6. Bouygues UK

Bouygues UK designs and builds sustainable developments that enhance and transform communities for the better. Combining innovative design, expertise in construction and operational excellence.

They were founded in 1996 and has over 6,000 employees. Bouygues UK is part of the Bouygues family with their main projects being in France/Europe. Bouygues UK turnover for year was £1,233 billion.

Bouygues UK projects consist of Manhattan Loft Gardens in Stratford, Hounslow House in London, Sir Simon Milton Westminister UTC and Ebury Place in London, Pontoon Dock London, LightBox in Manchester and the current project of Cavendish III and Shared Facilities Hub in Cambridge which will be Cambridge biggest office complex.

7. Lendlease

Lendlease is a global real estate company that creates communities, workplaces, retail and infrastructure projects. The company was founded in 1958 by Dick Dusseldorp and employs around 8,500 employees worldwide. Lendlease was heavily affected by COVID 19 and reported a $264 million loss in the first half of the year in 2022 which assisted to the restructuring of the company and since has seen a positive increase in the company's performance.

Lendlease achieved a turnover figure of £1,233 billion for the year.

Some notable projects by the company are Google's UK Headquarters at Kings Cross, Athletes Village for 2012 London Olympics, BBC Headquarters in 2011, Royal Manchester Children’s Hospital and the HM Treasury Main Building.

8. Balfour Beatty Plc

Balfour Beatty was founded in 1909 by George Balfour and Andrew Beatty and are now the leading international infrastructure group. They have reached a turnover figure of £1,193 billion for the year.

Balfour Beatty finance, develop, build and maintain innovative and efficient infrastructure. They employ around 26,000 people and operate mainly in the UK, Ireland and North America. 

Some projects you might know of include the Thames Tideway Tunnel, HS2, Manchester Engineering Campus Development (MECD), and Whitechapel & Woolwich Station.

9. Willmott Dixon Holdings

Willmott Dixon was founded in 1852 as a family run business dedicated to leaving a positive legacy for communities and the environment. John Willmott founded the company in Bassingbourn, Cambridgeshire. Willmott Dixon is a privately owned contracting company for construction, residential construction, interior fit out and refurbishment.

Willmott Dixon reached turnover figures of £1,090 billion in 2022 and employing over 3,000 employees, the company won the Queen's Award for Enterprise in 2014, 2018 and 2019.

Some of the major projects completed are the redevelopment of Orchard Village, Woolwich Central which is the largest ever development by Tesco, University of Worcester Arena and Aylesbury Waterside Theatre.

10. Skanska UK

Skanska is a Swedish company founded in 1887 by Rudolf Fredrik Berg and one of the leading companies in the UK. The company’s UK turnover reached £995 million for the year however is the 5th largest construction company in the world with most of its turnover coming from outside the UK.

The company played an important role in building Sweden’s infrastructure including its roads, power plants, offices and housing. Skanska UK's main services are residential development, commercial property development and infrastructure development. They have 33,858 employees worldwide.

Skanska projects include London City Airport, Buchanan Wharf, City of London, City of Edinburgh Council, Birmingham New Street Station, Waterloo and South West Train station upgrades and the M25 Motorway

Position Contractor Number of Projects Value of Projects (£m)
1 Kier Group Plc 173 3,171
2 Morgan Sindall Group 300 2,215
3 Mace 17 1,709
4 Winvic Group 29 1,391
5 ISG 56 1,311
6 Bouygues UK 41 1,233
7 Lendlease 5 1,209
8 Balfour Beatty 30 1,193
9 Willmott Dixon Holdings 113 1,090
10 Skanska UK 7 995

Who Didn’t Make The Top 10 Construction Contractors?

There are some big names who just missed out however for how close it is, there are some memorable mentions to Laing O’Rourke (991 million), Galliford Try (993 million), Volker Wessels (926 million) and Wates Group (879 million).

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Top 10 Largest Companies In The Construction Industry (UK - 2023)

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