360 Casualty is a specialist underwriting agency focused exclusively on supporting brokers, offering tailored liability solutions across a wide range of industries and occupations. Our experienced underwriters provide personalised, expert service backed by Lloyd’s financial strength and security. With swift, reliable coverage, competitive pricing, and responsive claims handling, we deliver professional support and flexible product extensions designed to meet your clients’ needs.
Jonathan brings over two decades of comprehensive experience in the insurance industry. Beginning his career in 2001 within broking, where he handled client servicing and policy placement. In 2010, he transitioned into underwriting and has since held senior roles in underwriting and portfolio management with international corporate insurers and underwriting agencies. His career spans a broad range of industries and occupations, giving him a deep understanding of the market and strong relationships across the sector.
At 360 Casualty, Jonathan has a clear mission to establish the agency as the go-to partner for SME, Mid-Market, and corporate liability risks in Australia. Leveraging his industry expertise and trusted broker partnerships, he is dedicated to delivering tailored liability solutions and exceptional service, ensuring that brokers and their clients benefit from pragmatic, responsive support in a competitive market.


Making a claim with 360 Casualty is simple and easy. Markel Australia manages and settles claims made under your policy on our behalf.
As soon as you become aware of any occurrence, claim, inquest, inquiry or prosecution which may give rise to a claim under this policy, you must provide the following as soon as reasonably practicable:
