Stage is recognised as an esteemed illustrator and artist around the world. He is most well known for his idyllic paintings, but has also designed and illustrated postcards, posters, stamps, books, and porcelain, among other textiles.
Stage specialized in illustrating city scenes and landscapes, and found inspiration for many of his drawings in the beautiful scenery around his home in the Danish countryside. He produced a series of watercolors depicting Copenhagen, Stockholm, England, Wales, Scotland, Holland, Paris, Germany, Belgium, Switzerland, and the USA. He also produced illustrations of animals and birds. Many of his works have been produced as greeting and Christmas cards.
For many years, Mads Stage worked for the Danish medical industry and made a large number of scientific drawings. He has also illustrated a number books, including: