AI and the Tax Function: Moving beyond the hype to practical value

Tax functions that invest in their people, redesign their processes, and take governance seriously are already seeing meaningful results, as highlighted by Barry Sullivan and Ed Hewings.

AI is no longer a future concept for tax functions. It is already being used—sometimes well, sometimes not so well - and its impact is accelerating. The conversation is shifting from "what can AI do?" to "how do we use it safely, consistently, and at scale?" Tax leaders are now facing a clear challenge: how to move from experimentation to real, defensible value, while meeting regulatory expectations and maintaining trust in outcomes. The headlines vs reality Tax teams regularly see ...

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Authors: Barry Sullivan, Ed Hewings

Published Date: 15 April 2026