Company Profile

Costain helps to improve people’s lives by deploying technology-based engineering solutions to meet urgent national needs. We have been shaping the world in which we live for the past 150 years.

Costain is a professional services consultancy providing a range of solutions through the lifecycle of infrastructure, construction and asset management programmes. These projects are managed on behalf of clients across the defence, energy, power, infrastructure and transport sectors from our offices in the UK.  

With over 4,000 technical and support staff, we are amongst the largest professional services consultancies operating on an international stage and our clients continue to choose us because we retain our agile, responsive and innovative approach.

Our on-going commitment to excellence is a key ingredient to what makes us stand out from our competitors. We strive to define industry best practice and operate through centres of excellence in Health & Safety, Project Management, Commercial Management, Engineering, Critical Asset Protection, Environmental, Planning & Project Control, Programme Assurance, Risk Management, Dispute Resolution and Information Services.