COST Insider Trading

Costain improves people's lives by creating connected, sustainable infrastructure that enables people and the planet to thrive. Through the delivery of predictable, best-in-class solutions across the transport, water, energy and defence markets, we are creating a sustainable future and securing a more prosperous, resilient and decarbonised UK. By bringing together our unique mix of construction, consultancy, engineering and digital services, we work strategically with our customers and suppliers to meet critical national needs. Together, our people transform the performance of the infrastructure that connects, protects and powers people's lives. Our 3,500 people manage a workforce of around 14,500 people and collaborate with customers, partners, communities and wider industry to make infrastructure fit for a better future. Our ambition is to become a net zero business by 2045, while enhancing biodiversity and natural capital, and we have plans in place to deliver this. We are committed to procure responsibly and to be an inclusive and accessible business for all, enabling us to be our best while focusing on the outcomes that we deliver for people and planet.