Our People

Oliver O’Sullivan


  • Location: London, Reading,
  • Email: Oliver O’Sullivan
  • Direct Telephone: +44 (0) 118 957 7330
  • Mobile: +44 (0) 784 337 7233


Oliver specialises in providing immigration advice to companies and to individuals.

Oliver supports companies with managing the legal immigration requirements of global assignments, particularly for companies looking to hire workers into a UK office.

Oliver is a specialist in advising overseas companies and entrepreneurs with regards setting up UK offices and companies in line with UK immigration law.

Having provided advice to individuals on complex areas of European Union free movement law for many years, Oliver was well-placed to be able to provide insightful advice to companies and individuals in light of the UK’s withdrawal from the EU. Oliver remains a highly reliable source of the most up-to-date Brexit developments.


Oliver joined Gateley Plc from Deloitte, where he was working as a manager in the immigration team. Prior to this, Oliver has worked in the same capacity for Eversheds Sutherland and for Mayfair-based private client law firms.


  • Oliver’s clients have included many FTSE 100 companies and household names in a wide range of sectors.


Oliver is the father of two young children and spends most of his free-time building wooden train tracks and helping with homework. Aside from this, Oliver has a keen interest in art, music, travel and eating out.