Costain Limited

Supplier — contracts won

£4.2bnTotal value£4,242,905,764 across every award on file
30Awardspublished since 4 July 2024

Who buys from them

Every award on file

AwardedWhat forBuyerSupplierValue
10 Oct 2025 Infrastructure Delivery Partnership (IDP) Sellafield Ltd Morgan Sindall Construction &… +2 £2.9bn
6 Jan 2025 HS2 Limited Tunnel and Lineside Mechanical and Electrical Systems HS2 Costain Limited £408.5m
31 Mar 2020 A30 Chiverton to Carland CrossSouth West National Highways Costain £368.2m
9 Dec 2024 Energy & Net Zero Professional Services Framework DESNZ Accenture (UK) Limited +42 £250.0m
21 Jan 2026 M5 BridgwaterSouth West National Highways Limited Costain £123.0m
2 Oct 2025 Reactor Buildings Height Reduction (EXECUTION phase)Wales Nuclear Restoration Services Ltd Costain Limited £71.8m
2 Oct 2025 Reactor Buildings Height Reduction (EXECUTION phase)Wales Nuclear Restoration Services Ltd Costain Limited £71.8m
2 Apr 2026 S30077 Road Safety Analysis and Reporting (STATS19) National Highways Limited Costain Ltd £955k
27 Nov 2023 THRE0007 - Infrastructure Efficiency and Engineering Team Technical Advisors DfTc - Department for Transport Costain Limited +1 £750k
15 Apr 2025 THRE0057 - RIN WESTERN, WALES & WESSEX TEAM TECHNICAL SUPPORT DfTc - Department for Transport Costain Limited £600k
19 Jun 2026 THRE0081 - Border Control Post (BCP) and Control Point (CP) Infrastructure Technical and… DfTc - Department for Transport Costain Ltd £467k
21 Apr 2026 S30074 Floating Bus Stops - Research, Testing and Trials National Highways Limited Costain Limited £304k
13 May 2026 S30100 EV Charge Point Strategy and Delivery Plan National Highways Limited Costain Ltd £212k
16 Mar 2026 S30079 NH Development Centre Supervision National Highways Limited Costain £200k
29 Apr 2026 Strategic Transport Support ServicesNorth West Blackburn With Darwen Borough Council Costain Ltd £150k
23 Sep 2024 T0614 Product Development and Innovation Services National Highways Costain Ltd £149k
15 Apr 2025 T0660 Route Strategies WP 2 - Route Strategy Programme Oversight, Engagement and Comms National Highways Costain Limited £125k
20 Jun 2025 T0700 Product Development & Innovation Services National Highways Costain £125k
31 Mar 2025 T0663 Supervision of Construction of ESS to support EV Charging at Motorway Service Areas National Highways Costain £87k
22 Dec 2025 S30051 HPEVCP Strategy feasibility - Co-located sites National Highways Limited Costain Limited £75k
11 Nov 2024 T0611 Back-up power generation for Operational Technology National Highways Costain Limited £73k
14 Apr 2025 ORT0172 - High Power Electric Vehicle Charge Point Feasibility Phase 3 Consultancy Support National Highways Costain Limited £60k
2 Dec 2025 S30054 Suppression and Fighting Techniques for EV & Hydrogen Fuelled Fires National Highways Limited Costain Limited £50k
22 Oct 2025 S30037 Supervision of Construction of Energy Storage Systems Contract (Phase 3c) National Highways Costain Limited £50k
9 Feb 2026 SGHWR - D60 Crane - Scope DevelopmentSouth West Nuclear Restoration Services Ltd Costain Limited £50k

Organisations are grouped by name, because the notices carry no identifier that appears on all of them. A body that publishes under two spellings will appear twice; two different companies with the same trading name will appear as one. Check the individual notices before drawing a conclusion.