Insurance broker Aon says it has acquired a provider of member services for the rent-to-own market to join its consumer, association and group program business, while Willis Group Holdings says a subsidiary of Credicorp Ltd. has acquired close to 50 percent interest in Willis Peru.

Insurance broker Aon says it has acquired a provider of member services for the rent-to-own market to join its consumer, association and group program business, while Willis Group Holdings says a subsidiary of Credicorp Ltd. has acquired close to 50 percent interest in Willis Peru.

Berkshire Hathaways insurance group reported a 30.5 percent drop in pre-tax earnings in 2011, driven mainly by $2.6 billion in pre-tax losses from catastrophe events.

Fourth-quarter profit at Warren Buffett's Berkshire Hathaway was down 30 percent on investment and derivative valuations.

Zurich Financial Services Group says its 2011 fourth-quarter net income fell 46 percent to $557 million, but the companys net income for the year climbed 10 percent to $3.8 billion.

A culture clash between Willis Group Holdings and Hilb, Rogal & Hobbs (HRH), acquired in 2008, led to a significant amount of business lost in North America, contributing to a 57 percent drop in net income for Willis 2011 fourth quarter.

New York-based insurance broker Integro says its revenues in 2011 increased 21 percent to $101 million.The privately held firm says the revenue gain is similar to gains it made in 2010.

Lexington Insurance Co., a Chartis company, has introduced a new coverage to reimburse colleges and universities for the loss of tuition incomes when an enrolled international student withdraws due to a catastrophe at home.