Isbank's cost to income ratio reached 62.1% in 2015, up from 59.2% when compared to the previous year.
Historically, the bank’s costs reached an all time high of 87.2% of income in 2001 and an all time low of 34.0% in 2009.
When compared to total assets, bank's cost amounted to 3.74% in 2015, down from 3.91% a year earlier.
Staff accounted for 27.9% of total operating expenditures in 2015. The bank operated a network of 1,377 branches and employed 25,157 persons in 2015.