Entity Setup
Entity Setup & Tax-Efficient Structuring in Light of Reverse-Hybrids and Pillar 2 Reforms
How UK resident individuals can assess entity choice and structure in the face of recent laws on reverse hybrids, global minimum tax, and anti-base erosion regimes.
By NomadicTax Research Team • 5-8 min read • September 12, 2026
## Recent Policy Context
- A Government consultation (June 2026) addressed the taxation of UK resident individuals who are members of **reverse hybrid entities** (like US LLCs) – these tend to create entity mismatches that result in unexpected double taxation or elevated rates. New rules may reduce these mismatches. ([gov.uk](https://www.gov.uk/government/consultations/uk-residentindividualmembers-of-llcs-and-otherreversehybrids?utm_source=openai))
- The UK has implemented **Pillar 2** Global Minimum Tax rules via the Multinational and Domestic Top-up Taxes. As of **1 January 2026**, accounting periods beginning on or after that date are subject to the revised “Side-by-Side package” including new safe harbours and amendments. This affects multinational structures and corporate groups with cross-border operations. ([gov.uk](https://www.gov.uk/government/publications/introduction-of-the-side-by-side-package-and-amendments-to-multinational-top-up-tax-and-domestic-top-up-tax/pillar-2-side-by-side-package-and-further-amendments-to-multinational-top-up-tax-and-domestic-top-up-tax?utm_source=openai))
- Also, *Incorporation Relief* now must be **actively claimed** (not automatic) for transfers where an individual incorporates their unincorporated business into a company. This change came into effect 6 April 2026. ([assets.publishing.service.gov.uk](https://assets.publishing.service.gov.uk/media/6926e0849c1eda2cdf034098/Budget_2025_policy_costings_-_revised.pdf?utm_source=openai))
## Structuring Tips for Entities
- If you’re forming an entity abroad or investing via one, watch how UK law treats **reverse hybrid structures**. The consultation may lead to changes in how income or distributions are taxed. Delay planning until the final regulations are published, but avoid assuming long‐held entity mismatches will pass unnoticed.
- For businesses active internationally, assess whether **Pillar 2 top-up taxes** might apply. Use the safe harbour regimes (substance-based, effective tax rate, ultimate parent entity, side-by-side) to reduce exposure. Ensure your corporate structure, intra-group financing, and foreign operations maintain sufficient substance and reporting compliance. ([gov.uk](https://www.gov.uk/government/publications/introduction-of-the-side-by-side-package-and-amendments-to-multinational-top-up-tax-and-domestic-top-up-tax/pillar-2-side-by-side-package-and-further-amendments-to-multinational-top-up-tax-and-domestic-top-up-tax?utm_source=openai))
- When incorporating a sole trader or partnership: plan the timing of incorporation carefully, and ensure incorporation relief is claimed at the point of transfer. Failure to do so could result in higher capital gains. Also consider impact of incorporating in a year after you cross thresholds affecting MTD, PAYE obligations, or Pillar 2 exposure.
## Practical Example
**Scenario**: Ben is a UK resident who owns a profitable property portfolio through a US LLC classified differently in the US and UK. Under the reverse hybrids consultation, his effective tax rate could be unexpectedly high. Ben should monitor outcomes from the consultation, consider restructuring through a UK limited company or LLC electing for UK tax transparency, assess Pillar 2 exposure if he holds other foreign business interests, and ensure he actively claims incorporation relief if transitioning into a UK entity.
## Actionable Advice
- Review your entity’s **jurisdiction of incorporation, management, and legal form**, to avoid mismatch exposure.
- Establish and document **substantial economic activity** (e.g. offices, staff) to use safe harbours under Pillar 2.
- When incorporating, fully prepare incorporation relief claims; ensure your valuation and transfer date are well documented.
- Engage international tax advisors where cross-border rules, entity classification (reverse hybrids), or Pillar 2 implications are likely to significantly impact your tax bill.