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ARTICLE · 18 AUGUST 2026

Exemption For Foreign Permanent Establishments To Be Made Mandatory

Travers Smith LLP
Travers Smith LLP
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The UK government plans to fundamentally reshape how British companies are taxed on their overseas operations by making the foreign permanent establishment exemption mandatory from 2027, with oil and gas companies facing an accelerated implementation timeline. This policy shift eliminates the current flexibility that allows UK businesses to offset foreign branch losses against domestic profits, raising critical questions about international competitiveness and investment strategy.

United KingdomTax

The UK government has announced it intends to make profits and losses attributable to a foreign permanent establishment (PE) of a UK resident company mandatorily exempt from UK tax.

Key Insights

  • From 1 January 2027, the exemption for foreign PEs will become mandatory for all UK companies. For oil and gas companies, the change will take place four months earlier, on 1 September 2026.
  • Pre-exemption PE losses will likely be 'hard-stopped', and anti-forestalling rules will target abusive attempts to accelerate their use. 
  • Justified as funding the 'Great British Summer Savings' package of measures to support families with the cost of living, the proposal is aimed at 'super' profits generated by oil and gas companies amid geopolitical tension in the Middle East.

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