Sharing corporate tax knowledge with external advisers

Tax knowledge is critical for companies to comply with tax laws and engage in tax planning and avoidance. Firms rely on external advisers in handling tax issues, however, sharing corporate tax knowledge with external advisers entails both opportunities and risks. We identify four relational factors that are associated with the decision of corporate taxpayers to share knowledge with external tax advisers. Survey data from 221 corporate taxpayers reveals a novel distinction between operational and strategic knowledge sharing. The operational dimension has a functional nature, whereas the strategic dimension has a more intentional character. Accessibility to, and a positive experience with, external advisers enables operational knowledge sharing. When firms perceive specific tax benefits in relation to sharing knowledge, they are more inclined to engage in operational knowledge sharing with external advisers but less prone to strategic knowledge sharing. Instead, strategic knowledge sharing is enhanced when firms have access to, and value the knowledge of their advisers, although this latter factor plays no significant role in explaining operational knowledge sharing. A positive experience with advisers also associates with strategic knowledge sharing. We link our results to other research and discuss implications for regulators considering, or requiring, firm disclosures of corporate tax strategy.