Sullivan
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Biography

Iain is a Partner in the London Corporate team and a recognised adviser in venture capital and growth equity. He advises founder and management-led high-growth companies, as well as venture capital funds and institutional investors, on significant venture and growth transactions.

Iain’s work includes later-stage financings, pre-exit rounds, lead investor mandates, consortium investments, secondary transactions and cross-border matters. Iain also advises on the broader corporate issues that arise as companies scale and institutionalise, including governance arrangements, investor rights, founder and management equity structures, shareholder arrangements, strategic corporate matters, as well as issues relating to the UK’s National Security and Investment Act 2021.

Iain has been recognised as a Next Generation Partner for Venture Capital by The Legal 500 and is a leading member of the team that was recently named Growth Capital Team of the Year at The Lawyer Awards 2026.

Before joining Sullivan in 2026, Iain was a Partner in leading City and European law firms.

Education
  • University of Edinburgh (M.A. (hons))
Bar & Court Admissions
  • Solicitor, Senior Courts of England and Wales