Atrium's pre-tax profits doubled for the first half of 2004.
Atrium reported pre-tax profits of £16.1m for the first half of 2004 comapred with £8.2m for the same period last year.
Atrium also reported an improved combined ratio of 82% compared to 87% for the same period last time.
Gross written premiums rose to £122m for the first half of 2004 compared to £105m for the same period on 2003.