Robert Allan Ltd. - Naval Architects and Marine Engineers Robert Allan Ltd. offers naval architecture and marine engineering services in Vancouver, BC. Traditions of innovation and diversity in marine design.  Our Clients. Robert Allan Ltd . is extremely proud to count the majority of significant worldwide towing firms amongst our clients. We also value highly the many quality shipyards with whom we have forged close working relationships over many years, and who have helped immeasurably to demonstrate the quality of our “brand”.