A method, non-transitory computer readable medium, and account manager device comprises obtaining a plurality of inputs associated with the contact center in response to a request to calculate the return on investment associated with the contact center, wherein the plurality of inputs includes one or more contact center historical data and one or more contact center projected data. At least a part of the obtained one or more contact center historical data is compared against the one or more contact center projected data to identify one or more improvement areas in the contact center. One or more costs to implement the identified one or more improvement areas in the contact center are determined. The return of investment associated to the contact center is determined based on the one or more determined costs. The determined return on investment associated to the contact center is provided.