Pre-tax profit at claims specialist Auto Indemnity rose from £341,000 for the 12 months to 29 December 2002 to £1.7m for the 18 months to 27 June.
The company, which changed its accounting year, also recorded turnover of £31.4m for the last 18 months, compared to £14.8m for the 12 months previously.
Auto Indemnity has also decided to change its name to AI Claims Solutions.