Author's pre-print draft. Final version published in British Tax Review. Available online at http://www.westlaw.co.uk/Tax risk management is a worldwide phenomenon with growing prominence in the discourse of both revenue authorities and corporate taxpayers. In the US, in-house tax professionals are now subject to unprecedented calls for transparency in terms of their tax risk management strategies and processes. This article discusses the findings of a study of these professionals conducted at a time at which the regulatory environment was becoming significantly more stringent. Overall, the evidence suggests a trend towards a more conservative approach to tax planning generally being adopted. There was also a strong message from the interviewees on the importance of the perceptions around the practice and processes on risk management. Both commonalities and differences are found in comparison with the position in the U