Rolls-Royce specializes in the design, manufacture and marketing of engines for the aeronautics, marine, and energy sectors. Net sales break down by family of products as follows:
- commercial aero engines (51%) ;
- power systems and nuclear systems (22%): for power plants ;
- military aero engines (20%);
- aeronautical engines and gas turbines (7%).
Net sales are distributed geographically as follows: the United Kingdom (10.9%), Europe (21.4%), the United States (28.5%), Asia (23.9%), Middle East (6.9%), South America (2.3%), Australasia (2.2%), Canada (1.8%), Africa (1.5%) and other (0.6%).