Preparing for UAE Domestic Minimum Top-up Tax (DMTT)

Preparing for UAE Domestic Minimum Top-up Tax (DMTT)

A Practical Guide for Multinational Groups

  • Legal Structure Mapping
  • MNE Threshold Assessment
  • Effective Tax Rate Analysis
  • Safe Harbour Evaluation
  • Compliance Roadmap Planning
  • Stakeholder Alignment & Training

The UAE’s implementation of the Domestic Minimum Top-up Tax (DMTT), aligned with the OECD’s Pillar Two framework, represents a significant shift for multinational enterprises (MNEs) operating within or through the UAE. With the global minimum tax rules becoming effective from 2025, it is crucial for large groups to assess their exposure and proactively establish a compliance roadmap. This article outlines how companies can prepare themselves for the DMTT regime, from impact assessment to practical compliance execution.

1. Legal & Structural Preparation

Begin by mapping your full legal, financial, and operational structure. Identify all holding companies, branches, subsidiaries, joint ventures, and permanent establishments (PEs), particularly those with cross-border activity. Assess the applicability of financial consolidation under IFRS and how it impacts the definition of the MNE Group. Entities with more than 750 million EUR consolidated revenue in at least two of the four preceding fiscal years must prepare for DMTT exposure.

2. MNE Qualification & Exemption Eligibility

Evaluate whether your group meets the MNE definition. Check cross-border entity spread, presence in low-tax jurisdictions, and whether the Initial Phase Exemption applies (available if the group operates in no more than 6 jurisdictions). Verify your group’s eligibility for transitional safe harbours such as Routine Profit Test, Simplified ETR Test, and De Minimis Test.

3. DMTT Exposure & Risk Assessment

Conduct a detailed calculation of the jurisdictional Effective Tax Rate (ETR). Identify low-tax jurisdictions (UAE at 9%) where top-up tax could apply. Use qualified financial statements and CBCR data to compute top-up liabilities. Ensure readiness for transitional relief rules where available.

4. Administrative Compliance Roadmap

Plan ahead for registration, data collection, and reporting. UAE Constituent Entities may need to appoint a Designated Filing Entity and prepare for the GloBE Information Return. Set up internal processes for group classification, tracking of income, covered taxes, and safe harbour eligibility. Ensure timeline alignment with FY2025 deadlines.

5. Strategic Advisory & Future Readiness

If DMTT is not currently applicable, take steps now to monitor thresholds and evaluate structural adjustments. Implement intercompany governance, review ETR by jurisdiction, and prepare systems to track deferred tax positions. Coordinate with foreign jurisdictions where Pillar Two is enacted (e.g., Belgium, EU) to manage global top-up tax exposure.

6. Training & Stakeholder Engagement

Communicate with internal and external stakeholders to ensure consistent understanding of compliance requirements, risks, and mitigation actions. Organize technical workshops with your finance, legal, and tax leadership teams. Engage advisors to help interpret Cabinet Decision No. 142 and OECD Model Rules.

Conclusion

The DMTT regime will fundamentally alter how international groups assess tax risk in the UAE. Early diagnosis, effective data preparation, and strategic action are the cornerstones of successful compliance. By proactively addressing these areas, companies can position themselves not just for compliance—but for confident, future-ready tax planning.

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