{"id":6520,"date":"2026-05-25T12:09:02","date_gmt":"2026-05-25T11:09:02","guid":{"rendered":"https:\/\/well-tax.com\/?p=6520"},"modified":"2026-05-25T12:09:03","modified_gmt":"2026-05-25T11:09:03","slug":"changements-fiscaux-au-royaume-uni-2026-prix-de-transfert-etablissement-permanent-et-impot-sur-les-benefices-detournes","status":"publish","type":"post","link":"https:\/\/well-tax.com\/fr\/uk-tax-changes-2026-transfer-pricing-permanent-establishment-and-diverted-profits-tax\/","title":{"rendered":"Modifications fiscales au Royaume-Uni en 2026 : prix de transfert, \u00e9tablissement permanent et imp\u00f4t sur les b\u00e9n\u00e9fices d\u00e9tourn\u00e9s"},"content":{"rendered":"\n
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From 1 January 2026, important UK tax changes have affected transfer pricing, permanent establishment and Diverted Profits Tax rules. The reforms are intended to simplify the UK\u2019s international tax framework, align domestic law more closely with OECD principles, and ensure that profits connected with UK economic activity are taxed appropriately in the UK.<\/p>\n\n\n\n

These changes are relevant for UK companies with overseas operations, foreign companies trading in the UK, multinational groups, funds, investment managers, and businesses with cross-border financing, intellectual property or management arrangements.<\/p>\n\n\n\n

Although described as simplification measures, the reforms should not be treated as minor technical updates. They may affect transfer pricing documentation, UK permanent establishment risk, and how former Diverted Profits Tax concepts are managed within Corporation Tax.<\/p>\n\n\n\n

What are the UK tax changes 2026?<\/a><\/h2>\n\n\n\n

The UK tax changes 2026 cover three connected areas: transfer pricing, permanent establishment, and Diverted Profits Tax.<\/p>\n\n\n\n

The reforms apply for accounting periods beginning on or after 1 January 2026, with some transitional provisions for financing arrangements and exchange gains and losses. HMRC has published official guidance<\/a> on the reform of transfer pricing, permanent establishment and Diverted Profits Tax.<\/p>\n\n\n\n

They affect foreign companies with UK permanent establishments, UK resident companies within transfer pricing rules, and groups previously within the scope of Diverted Profits Tax. The wider direction is clear: HMRC wants profits to be aligned with real economic activity, genuine decision-making and properly supported pricing.<\/p>\n\n\n\n

UK tax changes 2026 and transfer pricing reform<\/a><\/h2>\n\n\n\n

Transfer pricing rules require connected-party transactions to be priced as if they were made between independent businesses. This matters because multinational groups can move profits through management charges, royalties, intra-group loans, intellectual property transfers, cost-sharing arrangements and risk allocation.<\/p>\n\n\n\n

The 2026 reforms amend several areas of the UK transfer pricing regime, including the participation condition, intangible fixed assets, UK-to-UK transactions, financial transactions and interpretation by reference to OECD principles.<\/p>\n\n\n\n

Participation condition<\/a><\/h3>\n\n\n\n

The participation condition determines whether parties are sufficiently connected for transfer pricing rules to apply.<\/p>\n\n\n\n

The new rules introduce a form of direct participation where two persons are subject to an agreement for common management and it is reasonable to suppose this creates a prescribed alignment of economic interests. There is also an anti-avoidance rule where arrangements have a main purpose of avoiding the participation condition.<\/p>\n\n\n\n

Businesses should not assume transfer pricing only applies where there is a simple shareholding relationship. Management influence, aligned commercial interests and wider control arrangements may also become relevant.<\/p>\n\n\n\n

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Intangible fixed assets<\/a><\/h3>\n\n\n\n

The reforms simplify the valuation approach for intangible fixed assets. Where cross-border transactions between related parties fall within UK transfer pricing rules, the arm\u2019s length price will apply. In other cases, the market value will apply.<\/p>\n\n\n\n

This matters for companies transferring or licensing intellectual property, software, brands, customer relationships, know-how or other intangible assets. Where assets move across borders, pricing should be supported by commercial reasoning and valuation evidence.<\/p>\n\n\n\n

UK-to-UK transfer pricing and OECD interpretation<\/a><\/h3>\n\n\n\n

Domestic UK-to-UK transactions will be exempt from transfer pricing where there is no risk of tax loss. This may reduce compliance for wholly UK groups in low-risk cases, although companies should still consider whether a potential UK tax loss exists.<\/p>\n\n\n\n

The legislation also clarifies that the OECD Model Tax Convention and OECD Transfer Pricing Guidelines can be used as interpretative aids, whether or not a double tax treaty applies. Documentation should explain who performs key functions, who controls risk, where assets are used, and why the pricing reflects what independent parties would have agreed.<\/p>\n\n\n\n

UK tax changes 2026 and financial transactions<\/a><\/h2>\n\n\n\n

The reforms include changes for guarantees, implicit support, excessive borrowing and exchange gains and losses.<\/p>\n\n\n\n

A key issue is group support. A subsidiary may receive better borrowing terms because lenders assume the wider group would support it, even without a formal guarantee. The new rules distinguish implicit support from explicit guarantees and align the UK approach more closely with OECD transfer pricing principles.<\/p>\n\n\n\n

Explicit guarantees will be considered where they are arm\u2019s length. Implicit support must also be taken into account when applying UK transfer pricing rules.<\/p>\n\n\n\n

This is relevant for groups with intra-group loans, cash pooling, external borrowing supported by group strength, or UK companies borrowing from connected parties. Before 2026, businesses should check whether financing arrangements remain commercially supportable and properly documented.<\/p>\n\n\n\t\t

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