Fair Money & Economic Opportunity

Costain Group PLC is a construction and engineering company, and its core business does not involve providing financial services, lending, or deposit products to consumers. Therefore, all KPIs related to financial products, pricing, fees, customer debt, and financial inclusion initiatives are not applicable. The company does not offer lending or deposit services, consumer credit products, or financial education programs, nor does it generate or manage customer financial data. Its inclusion initiatives focus on internal employee diversity and workplace accessibility

, not financial inclusion for external customers. Profit reinvestment is directed towards internal business transformation and general charitable giving , not community finance. The company does not operate financial service access points.

Kind to Animals

Costain is forecasting a biodiversity net gain of over 20% on the A30 dualling scheme

and has achieved 9.04% net gain for habitats and 10.81% net gain for hedgerows on other projects. The company has created over 270 hectares of new habitat , planted 150,000 trees , created 4.5 hectares of new woodland , and built 25 miles of hedgerow. They also constructed 24 wildlife tunnels , 5 new habitats for water voles , a bat barn , and 33 multi-species crossing points. All relevant contracts have biodiversity net gain plans , and Costain signed the Nature Positive Business Pledge in 2023. The company is committed to contributing to nature positive by 2030 and is conducting biodiversity studies covering over 1,500 hectares.

No War, No Weapons

Costain Group PLC operates in the 'Defence' sector, one of its four key markets.

The company was awarded a six-figure extension to a framework agreement with a defense contractor for a six-month period. In 2024, Costain's social contribution, which includes community investment, was £410,000, representing approximately 0.033% of its £1,251.1 million revenue. The company has no contracts outside of the UK, meaning it has no exports requiring end-user certifications or sales to embargoed regimes. Costain publishes annual Modern Slavery Statements, indicating annual human rights due diligence.

Respect for Cultures & Communities

Costain has over 40 formal partnerships with charities, social enterprises, and schools as of 2024.

In 2024, 41% of its total spend was directed to SMEs, exceeding the UK Government target. The company has reported no cultural appropriation incidents. Costain actively protects cultural and heritage sites, with no reported incidents of disruption, and has developed a best practice methodology with the Museum of London Archaeology for integrating social value with archaeology in major infrastructure projects. Its contracts achieved an average Considerate Constructors Scheme score of 46/50 in 2024, surpassing the industry average of 41/50. Free, Prior and Informed Consent (FPIC) processes are considered not applicable to the company's operations.

Safe & Smart Tech

Costain's mandatory Code of Conduct training had a 97% completion rate in 2022.

The company holds ISO 27001 (Information Security Management System) certification, which was recertified in 2022, and also maintains Cyber Essentials Plus (CE+) accreditation. There are no documented incidents of unauthorized data use. Costain adheres to the UK General Data Protection Regulation (UK GDPR) and the Data Protection Act 2018, providing users with standard rights such as data access, rectification, deletion, and objection to processing. The company is compliant with Non-Financial Reporting requirements and the 2018 UK Corporate Governance Code, with one exception related to the Board’s annual performance review.