Within the financial lines and general litigation practices, Gareth has acted in defence of claims against directors and officers and professionals. This includes acting as defence and coverage counsel in class actions, insolvency claims, negligence claims, Australian Consumer Law and contract claims, as well as public inquiries and Royal Commissions.

Gareth's first party property and business interruption experience includes policy drafting (ISR and cyber BI), working on claims in the mining, commercial property, manufacturing and energy sectors and catastrophe insurance and reinsurance claims arising from major catastrophes including earthquakes, bushfires and windstorms. Gareth has experience in dealing with captive insurers, catastrophe pools and treaty and facultative reinsurance programmes, and also frequently acts in subrogated recovery claims and litigation against third party wrongdoers.

Gareth is recognised as a recommended lawyer by the Doyle's Guide for, among other things, his professional indemnity experience.