Strategic expansion Costain is actively securing new infrastructure programs with public sector clients such as United Utilities, Anglian Water, Norfolk County Council and Gatwick Airport, indicating ongoing opportunities across water, transportation and aviation sectors.

Net zero momentum The company aims to become net zero by 2035 and emphasizes biodiversity and responsible procurement, suggesting a growing demand for sustainable design, ESG reporting services, and low-carbon lifecycle solutions.

Technology-enabled delivery With a tech stack including PwC, Tableau, Bentley ProjectWise, AVEVA, Microsoft Azure and SAP Ariba, Costain is positioned to adopt digital twins, data analytics and cloud-based procurement to improve project performance and efficiency.

Public-private collaboration Participation in joint ventures and alliances (for example HS2 and Strategic Pipeline Alliance style partnerships) signals a preference for collaborative delivery models, creating cross-sell opportunities in governance, risk sharing and integrated project services.

People and inclusion Recognition as a top employer for gender equality and a workforce of 3,500+ highlight potential for selling human capital services, training, diversity and inclusion programs, and workforce resilience solutions to customers seeking social value in their projects.