Liberty Mutual Holding Company has registered revenues of $9.2bn, up by 5.8% for the third quarter of 2012, compared to $8.7bn during the same period over the last year.

Net income attributable to LMHC was $$465m with an increase of $577m, compared to a net loss of $112m during the corresponding period a year ago.

For the three months ended on 30 September, its net written premium was $8.651bn, an increase of 6.3% over the same period in 2011.

Pre-tax operating income before private limited partnership (LP) and limited liability company (LLC) income was $469m, against a pre-tax operating loss before LP and LLC income of $340m in the same period in 2011.

LMHC, through its subsidiaries and affiliated companies, provides an array of property-casualty insurance products and services to individuals and businesses.