Civil engineering market study

The Competition and Markets Authority (CMA) is undertaking a market study into the supply of railway and public road infrastructure by the civil engineering sector.

• From: Competition and Markets Authority
• Published: 19 June 2025
• Last updated: 17 December 2025 — See all updates

• Case type: Markets
• Case state: Open
• Market sector: Public markets
• Opened: 19 June 2025

Administrative timetable

Date	Action
18 June 2026	Statutory deadline
April 2026	Expected publication of final report
28 January 2026	Deadline for responses to invitation to comment
17 December 2025	Publication of interim report
19 June 2025	Launch of market study

Read our guide to find out more about what to expect at important stages of the market study and how to engage with us. We will update this throughout the study.

How to engage with our civil engineering market study

Interim report

17 December 2025: The CMA has published an interim report on its civil engineering market study setting out its emerging findings and possible remedies. We invite responses on this interim report by 5pm on 28 January 2026.

• Executive summary (PDF, 304KB) (17.12.25)
• Interim report (PDF, 912KB) (17.12.25)
• Appendix A: Further evidence (PDF, 343KB) (17.12.25)
• Glossary (PDF, 111KB) (17.12.25)
• Qualitative research debrief (PDF, 1.4MB) (17.12.25)
• Press release: Civil engineering: CMA sets out concerns and options for better outcomes (17.12.25)

Responses to invitation to comment (at study launch)

26 August 2025: The CMA has published responses to its invitation to comment on its civil engineering market study.

• Association for Consultancy and Engineering (ACE) Group (PDF, 345KB) (26.8.25)
• Amey Limited (PDF, 142KB) (26.8.25)
• Anonymous (PDF, 524KB) (17.12.25)
• Arup (PDF, 219KB) (26.8.25) 
• AtkinsRéalis (PDF, 263KB) (26.8.25) 
• Balfour Beatty plc (PDF, 263KB) (26.8.25) 
• BAM Nuttall (PDF, 475KB) (26.8.25)
• Bechtel Infrastructure (PDF, 41KB) (26.8.25)
• FM Conway Ltd (PDF, 398KB) (26.8.25)
• HIVE Co-Lab (PDF, 58KB) (26.8.25)
• M Group (Services) Limited (PDF, 131KB) (26.8.25)
• Mott MacDonald Limited (PDF, 217KB) (26.8.25)
• Murphy Group (PDF, 221KB) (26.8.25) 
• Railway Industry Association (RIA) (PDF, 230KB) (26.8.25)
• Ringway Infrastructure Limited (PDF, 405KB) (26.8.25) 
• Taylor Woodrow Infrastructure Limited (PDF, 387KB) (26.8.25) 
• Transport Action Network (PDF, 185KB) (26.8.25)
• Transport Scotland (PDF, 242KB) (26.8.25)

Launch of market study

19 June 2025: The CMA launched a market study into the design, planning and delivery of railway and public road infrastructure by the civil engineering sector in the UK.

We invited views by 17 July 2025 from all interested parties on the areas covered in the invitation to comment.

• Market study notice (PDF, 101KB) (19.6.25)

• Statement of scope (PDF, 372KB) (19.6.25)

• Press release: CMA launches review of civil engineering for roads and railways (19.6.25)

Contact

civilengineering@cma.gov.uk

Personal information

The CMA may collect, use and share personal data for its market studies under the Enterprise Act 2002. This includes processing personal data for the purposes of the UK General Data Protection Regulation and the Data Protection Act 2018.

For more information about how the CMA handles personal data, visit the CMA’s Personal information charter.

Published 19 June 2025

Last updated 17 December 2025 + show all updates

1. 17 December 2025

   Interim report published.

2. 29 October 2025

   Administrative timetable updated (expected publication of interim report is now December 2025).

3. 26 August 2025

   Invitation to comment responses published.

4. 19 June 2025

   First published.