Martin Hewer studied art and design in the UK in the 1960s and 1970s, receiving a diploma and advanced printmaking qualifications. He exhibited in London and received a Commonwealth scholarship to study in India. Throughout the 1970s and 1980s, Hewer practiced painting, printmaking, and commercial photography in the UK and Spain. Since the 1990s, he has settled in the southwest of England and continued painting, holding numerous solo and group exhibitions in galleries across the UK.