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Brexit impact on contracts, data and legal issues

The UK Brexit transition period ended on 31 December 2020. New rules apply from 1 January 2021. This page brings together guidance and news from ICAEW, as well as externally-produced resources providing practical information on regulatory issues, contracts, commercial relationships and data handling.

Need to know

Latest news and insights

Tax news in brief

Highlights from the broader tax news week ending 3 February, which includes: a restrained Scottish Budget in light of the coronavirus pandemic and HMRC publishes a Brexit edition of its Agent Update with guidance on postponed VAT accounting.

NAO reports on post-Brexit border unreadiness

9 November 2020: A National Audit Office report on UK border preparedness for the end of the Brexit transition period has concluded that while progress is being made, significant disruption is likely, as many traders and third parties will not be ready for new EU controls.

Guides and FAQs

VAT post Brexit

FAQ on how VAT rules have changed for British companies selling UK stock globally, now that the United Kingdom has left the European Union.

Corporate transactions post-Brexit

If your business is contemplating a transaction early in 2019 – before or after the UK’s exit from the European Union (EU) on 29 March – you should be aware of possible arrangements that may come into effect at the date of exit.

EU law and business: Brexit implications

Much Brexit guidance is concerned mainly with trade in goods, but there are a variety of other areas of EU law that also affect business. Our Know-how guides gives you a framework to understand these implications. It will be particularly relevant for services businesses seeking to assess how they are impacted.


An Exporter's Guide to Brexit

This webinar, in partnership with MHA, delivers insights into various types of export supply chain scenarios and highlights areas that UK businesses must consider as part of their Brexit planning to avoid unnecessary delays or compliance failures.

External resources

Keep your business moving: Video explainers on new rules for doing business with EU

Suite of on-demand short videos from UK government for businesses on importing, exporting, rules of origin, tariffs, providing services to EU markets, Northern Ireland, data handling, hiring staff, and selling goods. Sector-specific videos also cover chemicals regulations, IP, emissions, waste, and Horizon funding.

Intellectual property after 1 January 2021

A summary of key changes to UK intellectual property law after the transition period ends, including changes to IP rights such as trade marks, designs, patents and copyright.

Using personal data in your business or other organisation after the transition period

Government guidance on what businesses need to do regarding data protection and data flows with the EU after the end of the transition period. It includes information on receiving personal data from the EU/EEA and already adequate third countries, personal data flows from the UK, personal data provisions in the Withdrawal Agreement, and GDPR.