1. At a computer system including one or more processors, system memory, and a display device, the computer system also including a data quality module, a method for identifying a reference data service provider for cleansing data, the method comprising: receiving a sample source of data, the sample source of data having known data inconsistencies; determining a selected domain by comparing the sample source of data to data defining each of a plurality of different data domains; an act of providing a list of a plurality of reference data service providers configured to cleanse data in the selected data domain, wherein providing the list comprises providing a list of a plurality of reference data service providers configured to cleanse data in a selected data domain selected from among: customer data, employee data, mailing address data, telephone number data, mathematical calculations, statistical data, corporate data, financial data, economic data, and geographic data; an act of receiving a selection of a subset of the plurality of reference data service providers that are to be explored; for each of the reference data service providers in the subset of the plurality of data service providers: an act of submitting the sample source of data to the reference data service provider; and an act of receiving results of cleansing the sample data source back from the reference data service provider, the results including an allegedly cleansed sample source of data derived from the sample source of data; an act of profiling the results from each of the reference data service providers in the subset of the plurality of reference data service providers, including determining how each reference data service provider dealt with the known data inconsistencies in the sample source of data; an act of displaying a comparison between the subset of the plurality of reference data service providers on the display device, the displayed comparison based on the profiled results; and an act of receiving a user selection of a reference data service provider from the displayed comparison, the selected reference data service provider indicated as appropriate for cleansing further data in the data domain.