Engineering and environmental design consultants. We are engineering and environmental design consultants with a difference: ... we work to make the complex simple by applying smart thinking with technical expertise. Our personal and collaborative approach to our clients ensures that we gain a deep understanding of your needs, ambitions and project goals from the outset. At the heart of our designs are detailed technical drawings and specifications based upon a forensic attention to detail. No wasted time, no wasted expense, just seamless project delivery at every stage. Adept at undertaking works of all sizes and complexity we cover all sectors ranging from Commercial and Retail to Residential and Education. This places GDM at the forefront of the Building Services Industry. Maximising building performance. read more