Theo Hannah

Theo is an advocate and associate in the trusts and private wealth team in Guernsey.

He advises fiduciary service providers and ultra-high-net-worth individuals on the use of trust, foundation and private trust company structures for asset protection and succession planning purposes.

Theo specialises in advising on the full lifecycle of trusts and foundations, including their creation, resulting downstream transactions, and termination. He regularly opines on the scope and interpretation of trust powers, fiduciary duties, and information & disclosure obligations. He also acts on applications before the Royal Court under the doctrine of mistake; for the variation and/or rectification of trust instruments; and in seeking the Court's blessing of momentous trustee decisions.

Theo was admitted as a Solicitor of England & Wales before qualifying with the firm as a Guernsey advocate in 2025.

He is an elected member of both the STEP Next Gen Committee and the Independent Monitoring Panel.