Chubb Ltd Annual Report, Year Ended Dec 31, 2016

Chubb Limited's 2016 10-K report highlights a transformative year, primarily driven by the successful acquisition of The Chubb Corporation (Chubb Corp) on January 14, 2016. This strategic move significantly expanded Chubb's scale, establishing it as a global property and casualty insurance leader with operations in 54 countries. The company reported substantial growth in net premiums earned, reaching $28.7 billion, up 67.0% from the prior year, largely attributable to the integration of Chubb Corp. Financial performance showed a net income of $4.1 billion, a notable increase from $2.8 billion in 2015, reflecting the combined entity's operational scale and synergies. Chubb's business is diversified across multiple segments, with North America Commercial P&C Insurance being the largest contributor (43% of net premiums earned in 2016), followed by Overseas General Insurance (28%). The company emphasizes its disciplined underwriting approach, aiming for quality over volume. The report also details significant integration expenses related to the Chubb Corp acquisition, amounting to $492 million in 2016, alongside the realization of savings and the ongoing pursuit of further efficiencies. Despite elevated catastrophe losses in 2016, the company maintained a solid combined ratio of 88.3%.