She specialized in landscapes, including scenes of Copenhagen's streets and parks, but also created portraits and figure paintings.
From 1921 to 1924, she headed the Danish Society of Female Artists (Kvindelige Kunstneres Samfund).
After undertaking preparatory studies at the Arts and Crafts School for Women, from 1904 she studied at the Royal Danish Academy of Fine Arts under Viggo Johansen and Sigurd Wandel, graduating in 1910.
Pedersen was an active early member of the Danish Society of Female Artists, serving as president from 1921 to 1924.
[1] Sophie Pedersen died on 1 October 1950 and is buried in Asminderød Cemetery in Fredensborg.