There are too many contemporary art galleries and not enough saleable living artists to go around them, according to experienced gallerist Tim Olsen, who has launched a new secondary art busines.

The son of celebrated expressionist John Olsen has since 1993 represented living artists from his Olsen Gallery in Sydney’s Paddington, helping cement the mighty reputation of his father, who died last year at 95, but also bringing to prominence younger artists such as landscapist Nicholas Harding and abstract painters Sophie Cape and Michael Cusack.