The bianlian ransomware group listed Hall Chadwick on its data leak site on 2025-02-05. Country: AU Sector: Financial Services Domains named: hallchadwick.com.au Claim as published on the leak site: Hall Chadwick, headquartered in Sydney, New South Wales, is an accounting firm. Their services include audit and assurance, corporate finance, financial planning, taxation, insolvency and business recovery, and forensic accounting.