Published as a retrospective overview, this booklet illustrates twenty-five years of work by Arup Associates, highlighting the evolution of the firm’s architectural and engineering practice over a quarter-century. Through selected projects, drawings, and photographs, it showcases the integration of technical innovation, design creativity, and contextual sensitivity that characterizes their approach. The volume reflects on how the practice has developed over time, revealing consistent themes in problem-solving, collaboration, and the interplay between architecture and engineering across diverse building types and urban environments.