
5 May 2026 · International Tax
Top-Up Tax Guide
This publication provides a practical overview of the UAE Domestic Minimum Top-Up Tax (DMTT) and its role within the Pillar Two framework. It explains how top-up tax mechanisms operate, which businesses may be affected, and how the rules are designed to ensure that large multinational groups are subject to a minimum effective tax rate.
The guide explores common compliance challenges, calculation considerations, reporting obligations, and business implications arising from the new regime. It helps finance and tax professionals assess potential tax exposures, strengthen compliance processes, and prepare for the increasing focus on global tax transparency and international alignment.
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