 While Atkins largely focused on the UK market during its formative years, it has grown into an international firm with a global presence, as well as expanded into a wide range of sectors, including aerospace and high speed railways.By 2016, Atkins had become the UK's largest engineering consultancy, as well as the world's 11th largest global design firm.It employed approximately 18,000 staff based in 300 offices across 29 countries and had undertaken projects in over 150 countries.