A method of evaluating architectural fit of business software applications employed in an enterprise. The method comprises providing a computer tool with a defined rating system for each one of a set of business technology factors and with a set of defined keys having respective key values, inputting into the computer tool data for a plurality of business components using the respective key values, ranking one or more of the set of business technology factors according to the defined rating system, and conducting an analysis to evaluate architectural fit of the business software applications based on the data inputted using the respective key values and the ranked set of business technology factors. The conducting step further comprises providing at least one business or technology objective and executing an algorithm corresponding to the one business or technology objective provided to conduct the analysis.