Tax Planning
Tax Planning for Large MNEs: Making Pillar Two Work Instead of It Working Against You
With global minimum tax (Pillar Two) fully active, large MNEs must proactively plan their investments, intra-group financing, and location choices to optimise tax outcomes and avoid top-up taxes.
By NomadicTax Research Team • 5-8 min read • August 27, 2026
## Overview of Pillar Two Implementation in the EU
Under **Directive (EU) 2022/2523**, the European Union has implemented a global minimum tax regime (15%) for large Multinational Enterprise (MNE) Groups. As per the OECD Inclusive Framework, jurisdictions must apply Qualified Income Inclusion Rules (QIIR) or establish Qualified Domestic Minimum Top-up Tax (QDMTT). ([oecd.org](https://www.oecd.org/en/topics/policy-issues/cross-border-and-international-tax.html?utm_source=openai))
The OECD recently published a **common understanding** among countries implementing the Global Minimum Tax for 2024 fiscal year, confirming 37 jurisdictions have implemented QIIR and/or QDMTT. This includes many EU Member States. ([oecd.org](https://www.oecd.org/en/about/news/announcements/2026/05/global-minimum-tax-release-of-a-common-understanding-of-implementing-jurisdictions-and-further-administrative-guidance-to-support-compliance.html?utm_source=openai))
## Planning Strategies to Mitigate Top-Up Exposure
- **Location of the Ultimate Parent Entity (UPE)/Designated Filing Entity (DFE)**: Since DAC9 allows central filing under Pillar Two, placing UPE in a jurisdiction with stable implementation of Pillar Two (clear QIIR/QDMTT rules) reduces risk. ([taxation-customs.ec.europa.eu](https://taxation-customs.ec.europa.eu/document/download/dbb90387-6bac-4797-8f15-f29fe6076221_en?filename=C_2026_1480_F1_ANNEX_EN_V4_P1_4514028.PDF&utm_source=openai))
- **Capital structure**: Interest deductions are scrutinised under ATAD 3 rules (EU limiting interest-deductions); ensure financing arrangements are aligned to avoid base erosion. Substance and economic risk bearing are critical.
- **Profit shifting and transfer pricing**: Maintain strong documentation, use Advance Pricing Agreements where possible; ensure the OECD’s GloBE information return (GIR) is accurately filled where required.
- **Use of hybrid mismatches**: Under ATAD rules, hybrid mismatch rules (ATAD 1) remain relevant—avoid structures that trigger double non-taxation.
## Example Tax Planning Scenarios
- A European tech MNE with subsidiaries in low-tax small states uses QDMTT vs QIIR to meet the minimum 15% instead of having top-up tax imposed by other jurisdictions.
- A capital intensive group borrowing internally: optimize interest rates and ensure that interest deductions are not disallowed under ATAD.5 measure or Pillar Two rules.
## Risks and How to Mitigate Them
| Risk | Consequence | Mitigation |
|---|---|---|
| Lack of implementation in local jurisdiction | Uncertainty in whether QDMTT or QIIR applies | Map each jurisdiction’s status via OECD/EU publications; adjust intra-group flows or hold in safe jurisdictions. |
| Non-compliance with DAC9 technical filing obligations | Penalties; mismatches between local vs central filings | Invest in robust compliance infrastructure; harmonise data gathering. |
| Over-reliance on treaty-based reliefs or permanent establishment avoidance | Risk of audit; exposure to STTR | Document clearly; align commercial substance. |
## Action Plan for CFOs and Tax Directors
1. Perform a mapping of each country you operate in—type of Pillar Two implementation, treaty risks.
2. Review intra-group financing and capital structure; ensure substance and arm’s length terms.
3. Budget for compliance costs: GIR, DAC9, local ATAD obligations.
4. Engage in scenario planning—simulate top-up tax under different jurisdictions and structures.
5. Monitor EU policy announcements—e.g., recent simplification package adopted by Commission includes reducing DAC reporting obligations in limited cases. ([taxation-customs.ec.europa.eu](https://taxation-customs.ec.europa.eu/news/european-commission-proposes-landmark-tax-simplification-package-streamline-compliance-and-boost-2026-06-24_en?prefLang=fi&utm_source=openai))
## Conclusion
Pillar Two is now part of the tax reality in the EU for large multinationals. Proactive planning, strong documentation, and strategic entity and financing decisions can greatly reduce exposure and ensure compliance rather than crisis management.