Forty Major US Corporations Cut Tax Bills by $11 Billion Through Offshore Havens

New disclosure requirements that took effect this year required publicly traded companies to break down the effects of specific domestic tax policies and foreign jurisdictions on their total tax expense. An analysis of the resulting data found that forty major American corporations reduced their collective tax bills by more than $11 billion in 2025 through offshore tax havens.

The numbers are not surprising to anyone who has followed corporate tax policy. What is new is that the disclosure requirements make the avoidance legible in a way it was not before. For decades the scale of offshore profit-shifting was estimated rather than documented, which gave corporations the ability to contest the estimates. The new disclosures convert estimation into disclosure, which is a different evidentiary situation.

The policy question is whether this transparency produces any change. The mechanisms of offshore tax avoidance — transfer pricing, intellectual property migration, jurisdictional arbitrage — are not secrets. They are legal structures that have survived multiple reform efforts because the corporations that benefit from them have significant resources to apply to their preservation. The $11 billion figure represents money that did not fund public services, was not reinvested in domestic employment at the rates that onshore profits are, and accrued to shareholders in structures specifically designed to remove it from domestic tax jurisdiction. The disclosures document the situation. The situation predates the disclosures.