ADP is a high-quality architectural practice currently ranked 27 in the AJ Top 100 with wide experience of designing in sensitive locations, across a number of key sectors including healthcare, education, commercial and residential. ADP undertakes respectful and innovative heritage work and works to minimise the environmental impact of its designs. The practice employs registered conservation architects and undertakes Heritage Assessments and Conservation Plans for a number of clients.

Since its formation in 1965, the practice has developed a strong reputation for innovative and award-winning design. It combines this with an effective and well-managed service, delivered by enthusiastic and dynamic people. ADP has studios in Birmingham, Edinburgh, Glasgow, Delhi NCR, London, Manchester, Newcastle, Oxford and Sherborne.