07 July 2026

What fragmented global tax cooperation means for business

Global tax cooperation is starting to feel like chasing that long-promised flying car – always just on the horizon, impressive in bursts, but never quite landing in one place. For more than a decade, global tax cooperation has been a quest for consensus, at least on some issues. What we are seeing now is more fragmented. Coordination still happens, but it happens in pieces. Government collaborations are increasingly regional, narrower in scope and more tied to trade, tariffs and geopolitics. “Companies today are operating in a world marked by changing relationships and evolving alliances, where cooperation often takes a backseat to competitiveness. Global policy cooperation is shifting and is more guided by the alignment of geopolitical and economic interests,” says Aruna Kalyanam, EY Global and EY Americas Tax Policy Leader. For business leaders, this shift matters as it changes how policy develops, where risk emerges and how companies must prepare.

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Document ID: 2026-1851