BMT Defence Services Ltd, a subsidiary of British Maritime Technology Ltd (BMT), the multi-disciplinary engineering and technology consultancy, has today acquired Bertram Martin Consulting Ltd (BMC), the engineering investment appraisal and cost modelling consultancy. BMC is well known throughout the defence industry for its work in forecasting the through-life costs of major design and procurement projects and appraising potential research and development investments. It has also applied this expertise to the offshore industry. BMC will become a business unit of BMT Defence Services, the naval engineering and design services subsidiary, reporting to Managing Director Andrew Tyler.