Tenders / Winners / United Kingdom
COSTAIN LIMITED: public contracts won
COSTAIN LIMITED (costain.com) won 11 public contract awards from 11 public buyers between 2025-01-31 and 2026-10-23; the 5 it won alone that state a value total €981.3M. Source: Arcadium Data, data as of .
Company
| Field | Value |
|---|---|
| Registry number | 00610201 |
| Register | Companies House (GB) |
| Register status | Active |
| Website | costain.com |
COSTAIN LIMITED is linked to its register entry through the registration or VAT number stated on its award notices; the website comes from the register or the notices.
Contracts ending in the next 18 months
| Ends | Contract | Buyer | Value | End date basis |
|---|---|---|---|---|
| 2027-10-22 | Transport Technology | Crown Commercial Service (GB) | €4.1bn | end date stated |
Contracts ending = award notices naming COSTAIN LIMITED whose contract period ends in the next 18 months: the end date the notice states, else its start or signature date plus the stated duration. 1 contracts.
Awards per month
Contract award notices naming COSTAIN LIMITED as a winner, by publication month, 2023-11 to 2026-10.
Top public buyers
Sectors (CPV divisions)
| Sector | CPV | Awards |
|---|---|---|
| Construction work | 45 | 6 |
| Architecture and engineering services | 71 | 2 |
| Clothing and footwear | 18 | 1 |
| Construction materials | 44 | 1 |
Buyer countries
| Country | Awards |
|---|---|
| United Kingdom | 11 |
Recent awards
| Published | Contract | Buyer | Value |
|---|---|---|---|
| 2026-10-23 | Major Projects Framework AMP8/9 (12 winners) | THAMES WATER UTILITIES LIMITED | n/a |
| 2026-09-23 | South Kensington Station Capacity Upgrade Design and Build | London Underground Limited | €99.1M |
| 2026-08-20 | North West Contractor Framework (54 winners) | Wirral Council | n/a |
| 2026-07-22 | Construction Professional Services 2 (24 winners) | Government Commercial Agency | n/a |
| 2026-07-22 | Transport Technology (193 winners) | Crown Commercial Service | n/a |
| 2026-07-02 | Infrastructure Improvement Framework (3 winners) | Transport for London | n/a |
| 2026-06-30 | Strategic Transport Support Services | Blackburn With Darwen Borough Council | €174k |
| 2026-06-16 | National Grid Substation Construction (5 winners) | NATIONAL GRID UK LIMITED | n/a |
| 2025-09-08 | Drainage Survey - Waterside Park Depot | Swindon Borough Council | €34,349 |
| 2025-02-21 | HS2 Limited High Voltage (HV) Power System | HS2 Limited | €395.1M |
| 2025-01-31 | Tunnel and Lineside Mechanical and Electrical Systems | HS2 | €486.9M |
Value = the awarded value the notice states, in EUR (converted at the notice date); framework agreements show none (their value is a ceiling, not spend). A notice with several winners or lots states one total for all of them: it is shown per notice in the table but left out of "value won alone". Matched to costain.com by company name, country and registry number where the notice states one.
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Source: Arcadium Data tenders database, 3,811,022 official public procurement notices from EU TED, UK Find a Tender, UK Contracts Finder and national procurement boards, read through their open-data services (no logins). Winners that could be a private person (sole traders) are withheld; buyers are public bodies. Data as of 2026-10-27.
Questions
How many public contracts has COSTAIN LIMITED won?
COSTAIN LIMITED won 11 public contract awards published between 2025-01-31 and 2026-10-23, from 11 public buyers (official notices in EU TED and UK Find a Tender, as of 2026-10-27).
Who are COSTAIN LIMITED's biggest public-sector customers?
The public buyers that awarded COSTAIN LIMITED the most contracts are Blackburn With Darwen Borough Council (1), Crown Commercial Service (1) and Government Commercial Agency (1) (awards, as of 2026-10-27).
What does COSTAIN LIMITED supply to the public sector?
Most of COSTAIN LIMITED's awards are in Construction work (CPV 45) (6), Architecture and engineering services (CPV 71) (2) and Clothing and footwear (CPV 18) (1) as of 2026-10-27.
What is the value of COSTAIN LIMITED's public contracts?
The 5 awards COSTAIN LIMITED won alone that state a value add up to €981.3M; awards shared with other winners state one total for all and are not counted (as of 2026-10-27).
Cite as: Arcadium Data, "COSTAIN LIMITED public tenders won: 11 contract awards", https://arcadiumdata.io/tenders/winners/costain.com/, data as of 2026-10-27.