Currently, in the United Kingdom, a number of private and public survey providers conduct omnibus studies as a way for clients to ask questions to representative samples of the British population. At least since the 1970’s these firms have conducted periodic surveys of cross-sections of the UK population. In the context of these types studies, three main modes have evolved since the inception of population surveys: face-to-face surveys followed by telephone surveys and more recently web-based omnibus studies. It should be noted that there have been other modes developed over the years: like the postal survey or the disk-by-mail surveys (Groves et al., 2009: 150-153). Nevertheless, these initial three are by far the most common as evidenced by a review of the products offered by most of the commercial and public survey firms. Besides the insights and findings of each particular study, these surveys have allowed the discipline of survey methodology to develop and test theories and techniques related to: sample design, questionnaire development, modes of data collection, data analysis and nonresponse. Additionally, the practical experiences of these firms over the last decades have provided important insight in terms of efficient survey management.