This article explores the political signification of the term entrepreneur in UK parliamentary debates over the past forty years. Following a review of the literature, a need is identified to understand the construction of the entrepreneur in political discourse. Concern here is not with the prosaic cataloguing of policies or definitions, but with exploring shifts in the discursive constructs of the entrepreneur that underlie political practice. To explore these constructions a large longitudinal dataset is systematically condensed, while maintaining sensitivity to the nuances of meaning. A corpus-based linguistics approach is undertaken. This combines the computational analysis of significant collocates, that is important words (concepts) that surround the term entrepreneur, with the richness of qualitative analysis. Patterns of reification, agency and structure are identified in the portrayed entrepreneurial constructs. The philosophical and practical implications of these patterns are discussed and proposals are made for using corpus techniques in international comparative analyses.