location_on Sydney
Jonathan Newby
Partner
Jonathan is highly sought after by his clients, including insurers in both the Australian and London markets, for his expertise in handling complex claims.
Overview
He is well known for his skill at resolving complex professional indemnity, construction and financial services claims.
Since the start of his career, Jonathan directed his attention towards the professional services, construction and financial services industries. He enjoys the challenge of mastering the intricacies of the professions within these specialist disciplines.
Jonathan runs a leading practice in construction and infrastructure disputes, acting for contractors and design professionals and managing claims under project and annual insurance policies. He acts for insurers in the defence of professional service providers and firms on contentious insurance coverage disputes and large scale and contentious directors and officers matters. Jonathan is regularly retained by leading construction professional indemnity insurers for defence and coverage and monitoring instructions. In recent times, he has been at the forefront of legal actions arising from the cladding crisis.
He has long experience in acting for barristers and law firms, including having acted in many of the leading decisions published on professional conduct, and routinely provided representation and counsel in professional conduct investigations. He has deep experience in acting for accountants, auditors and insolvency practitioners, including having acted in litigation such as Banksia Securities and experience extending to ATO, TPB, ASIC investigations and prosecutions locally and PCAOB, SEC and DoJ investigations in the US.
A go-to lawyer on large scale claims, Jonathan's practice extends to coverage and defence of shareholder class actions and he has been involved in some of the most substantial litigation in that space in recent years.
Jonathan’s expertise in insurance law has earned him a ranking in Chambers and Partners 2025 and 2026 Asia-Pacific for Insurance. He has also been named a leading Professional Malpractice Litigation and Alternative Dispute Resolution Lawyer in The Best Lawyers in Australia and a recommended Professional Indemnity Lawyer, New South Wales in Doyle's Guide 2024 and leading in 2025. In 2020, Jonathan was acknowledged in ExpertGuides for Insurance and Reinsurance, solidifying his standing as a trusted leader in his field.
Jonathan was instrumental in the foundation of Colin Biggers & Paisley's membership of the Global Access alliance, comprising top tier insurance practices globally.
