BOUTIQUE investment bank Gresham Partners has always been a quiet little earner for WA’s biggest industrial company Wesfarmers, contributing a healthy $2.5 million on average to the bottom line during each of the past couple of years.

BOUTIQUE investment bank Gresham Partners has always been a quiet little earner for WA’s biggest industrial company Wesfarmers, contributing a healthy $2.5 million on average to the bottom line during each of the past couple of years.