Company news

Costain Group Plc (LSE:COST) news

Every Costain Group Plc press release and news update in one place — announcements, filings coverage, and company updates for investors.

View Costain Group Plc stock analysis →

Press releases & updates

Half-year Financial Results

August 13, 2026

Costain : awarded three-year extension to United Utilities contract

July 15, 2026

Block Listing Interim Review

July 1, 2026

Costain wins West Winch Housing Road contract

June 18, 2026

Costain : lands places on two London Gatwick frameworks

June 10, 2026

Costain wins place on £700m TfL framework

June 9, 2026

Costain : 2026 - Results of Annual General Meeting

May 15, 2026

Costain : chosen for Dover Harbour Board Framework

May 7, 2026

Scrip Dividend Reference Price - Replacement

May 1, 2026

Costain : 2026 - Notice of Annual General Meeting

April 2, 2026

Costain : Annual Report 2025 (ESEF)

April 2, 2026

Costain : Rules of the Costain 2023 Long Term Incentive Plan (Amended)

April 2, 2026

Costain : Proxy Form 2026

April 2, 2026

Costain : Notice of Meeting 2026

April 2, 2026

Costain Secures c.£45m Contract with Severn Trent

March 18, 2026

£20m Share Buyback Programme

March 10, 2026

Final Results

March 10, 2026

Directorate change

March 4, 2026

Holding(s) in Company

March 3, 2026

Costain returns to FTSE 250

March 2, 2026

Costain : set to return to FTSE 250 following sustained strong performance

February 27, 2026

Ashtead Group

February 25, 2026

Director Declaration

February 24, 2026

Investor Presentation via Investor Meet Company

February 9, 2026

Costain Awarded Contract for New M5 Junction

January 27, 2026

New Pension Scheme Agreement & FY25 Trading Update

January 26, 2026

Costain : Trading Update Jan 2026 Final

January 22, 2026

Block listing Interim Review

January 2, 2026

Notice of Trading Update

December 19, 2025

Director/PDMR Shareholding

December 11, 2025

Costain awarded contract extension with EDF

November 18, 2025

Costain : selected to join Eastern Highways Alliance Framework

November 10, 2025

Total Voting Rights

November 3, 2025

Additional Listing

October 14, 2025

Costain Secures £1bn Programme With Sellafield

October 13, 2025

Scrip Dividend Reference Price

September 18, 2025

Half-year Report

August 20, 2025

Transaction in Own Shares

August 18, 2025

Total Voting Rights - Correction

July 2, 2025

DIRECTOR/PDMR/PCA DEALING

June 25, 2025

£10m Share Buyback Programme & H1 Trading Update

June 16, 2025

Heathrow Site Visit

June 9, 2025

Costain awarded Anglian Water contract extension

June 4, 2025

Refinancing of Bank and Bonding Facilities

May 28, 2025

Result of AGM

May 15, 2025

AGM Trading Update

May 15, 2025

Annual Financial Report

April 8, 2025

Costain awarded Urenco framework agreement

March 20, 2025

Costain FY 2024

March 11, 2025

Trading Update with Strong Forward Work Position

January 27, 2025

Older →