Costain Group
Costain Group PLC is a British infrastructure solutions company that provides engineering, construction, and consultancy services. It primarily operates within the United Kingdom, delivering projects in transportation, energy, water, and defense sectors.
Brand Identity Data
HQ Country
United Kingdom
HQ City
Maidenhead
Founded
1865
EU Headquartered
No
EU Manufactured
No
Stock Exchange
Private
Repair / Recycling
No
Ethical Certifications
None verified
Verified on July 22, 2026