Oliver O’Sullivan is a seasoned UK immigration specialist with over a decade of experience advising businesses, individuals, and global organisations on complex immigration matters. Currently Director of Immigration at Migrate UK, he has previously led immigration teams at Wellers Law Group, Dentons, Gateley Legal, Deloitte, and Eversheds Sutherland.

Oliver is recognised for his strategic approach to sponsorship, compliance, and global mobility solutions, and has managed high-stakes immigration programmes across a broad range of sectors. With a background that spans private practice, Big Four consultancy, and international law firms, he brings a unique blend of technical expertise and practical, commercially focused guidance.

He is committed to providing clear, effective immigration strategies that empower clients to navigate the UK system with confidence.