She has had success selling prints by old masters such as Picasso, Matisse, and Braque and modern artists such as Howard Hodgkin, Patrick Heron, Elisabeth Frink, and Terry Frost.

Her books include Elisabeth Frink Original Prints Catalogue Raisonne, 1998, Modern Art Now, from Conception to Consumption, 2006, and The Leonardo Question, 2009.

[3] In 2010 she and her partner Francis Carnwath founded the Aldeburgh Beach Lookout as a centre for the public to view and discuss modern art and ideas.

[7] Reviewers felt the theme was laboured and had little depth, but that the piece was "spirited" and had "wit and charm.

"[7][8] In February 2021, Wiseman became the focus of a dispute over the planning permission of a series of sculptures by Antony Gormley.