WSP is one of the world's leading professional services firms, working with governments, businesses, architects and planners and providing integrated solutions across many disciplines. The firm provides services to transform the built environment and restore the natural environment, and its expertise ranges from environmental remediation to urban planning, from engineering iconic buildings to designing sustainable transport networks, and from developing the energy sources of the future to enabling new ways of extracting essential resources. It has approximately 15,000 employees, mainly engineers, technicians, scientists and architects, as well as various environmental experts, based in more than 300 offices, across 35 countries, on every continent. more... See more text