Entity Setup
Pillar 2 Top-Up Taxes: Global Corporates & UK Entity Setup Implications
UK’s implementation of Pillar 2 brings legal changes and opportunities for international groups; here’s how UK companies should prepare from both tax setup and compliance angles.
By NomadicTax Research Team • 5-8 min read • November 23, 2025
## Understanding Pillar 2 and the UK’s Rules
Pillar 2, part of the OECD’s BEPS framework, establishes a **global minimum tax rate** of **15%** for large multinational enterprises. The UK has adopted these rules in the **Finance (No. 2) Act 2023**, with supporting regulations (SI 2025/406) giving effect from **21 April 2025**.([gov.uk](https://www.gov.uk/government/publications/the-multinational-top-up-tax-pillar-2-territories-qualifying-domestic-top-up-taxes-and-accredited-qualifying-domestic-top-up-taxes-regulations-2025/the-multinational-top-up-tax-pillar-2-territories-qualifying-domestic-top-up-taxes-and-accredited-qualifying-domestic-top-up-taxes-regulations-20?utm_source=openai))
Under the regulations, territories are listed as **‘Pillar Two territories’**, and there are categories for **qualifying domestic top-up taxes** and **accredited qualifying domestic top-up taxes**. These determine whether foreign taxes or domestic taxes in other jurisdictions can offset what UK groups owe under Pillar 2.([gov.uk](https://www.gov.uk/government/publications/pillar-two-top-up-taxes-relevant-territories-and-taxes-notice-2/notice-2-pillar-two-top-up-taxes-relevant-territories-and-taxes?utm_source=openai))
## Entity Setup Implications
If you’re setting up or restructuring a UK company, or part of an international group, key issues include:
- **Global turnover threshold**: Pillar 2 applies to corporate groups whose global revenues exceed **€750 million**. Small UK-only companies won’t be directly caught, but participation in a group may matter.([gov.uk](https://www.gov.uk/government/publications/the-multinational-top-up-tax-pillar-2-territories-qualifying-domestic-top-up-taxes-and-accredited-qualifying-domestic-top-up-taxes-regulations-2025/the-multinational-top-up-tax-pillar-2-territories-qualifying-domestic-top-up-taxes-and-accredited-qualifying-domestic-top-up-taxes-regulations-20?utm_source=openai))
- **Tax credit recognition**: If profits in other jurisdictions are taxed at least at the 15% minimum, no additional UK tax arises in respect of those profits. Understanding which territories are recognised (via HMRC’s “Notice 2” and SI 2025/406) is essential for tax planning.([gov.uk](https://www.gov.uk/government/publications/pillar-two-top-up-taxes-relevant-territories-and-taxes-notice-2?utm_source=openai))
- **Use of QDMTTs or accreditation**: Some domestic top-up taxes in other jurisdictions may be qualified or accredited, reducing compliance risk and double taxation exposure. Entities should map out where foreign subsidiaries or operations fall.([gov.uk](https://www.gov.uk/government/publications/pillar-two-top-up-taxes-relevant-territories-and-taxes-notice-2/notice-2-pillar-two-top-up-taxes-relevant-territories-and-taxes?utm_source=openai))
## Compliance & Practical Steps
- **Review current jurisdictional tax rates**: Identify whether foreign operations are in Pillar Two territories, and whether their effective tax rates reach 15%. If not, plan for potential top-up tax liabilities.
- **Update reporting systems**: The rules require reporting global profit, effective tax rates, and tax paid. You may need to collect accurate data across jurisdictions.
- **Legal documentation**: Ensure your entity structure and agreements reflect possible Pillar 2 charges, especially for withholding, transfers, or profit allocations.
- **Factor into valuations & investment**: Potential additional tax costs may affect location decisions, supply chains, or where to locate R&D and finance functions. Ensure financial models include Pillar 2 impact.
## Example Case
**GlobalTech Ltd** is headquartered in the UK with foreign subsidiaries in Malaysia and Portugal. Malaysia is a qualified Pillar Two territory from **1 January 2025**, and Portugal since **1 January 2024**. Some operations in Malaysia are taxed at 10%, leading to a required top‐up tax to reach 15%. Portugal's operations are taxed at 14% in some cases, also requiring top-up tax. Under UK Pillar 2 rules, GlobalTech must calculate and report, and may owe UK top-up tax or adjust prices / structures accordingly.([gov.uk](https://www.gov.uk/government/publications/pillar-two-top-up-taxes-relevant-territories-and-taxes-notice-2/notice-2-pillar-two-top-up-taxes-relevant-territories-and-taxes?utm_source=openai))
## Key Takeaways
- Pillar 2 is now operative for large groups; effective tax planning must include its parameters.
- Recognising which territories / taxes are qualifying or accredited is essential to prevent double taxation.
- Entity structures, group compositions, and profit allocations may need redesign to optimise tax outcomes.
- Accurate reporting and tracking are now more critical than ever.
This is a critical moment for those establishing UK entities with cross-border operations: late adoption or oversight could trigger unexpected tax costs or regulatory non-compliance. Category: **Entity Setup**