BDO USA has reported total revenue of $1.05bn in the year to 30 June 2015, up 26% from the previous year.

The firm’s assurance business line, which represents 52% of the whole business, grew by 17%. Tax, which represents 32% of the business, grew by 30%. Consulting and advisory representing 16% of the business was the fastest growing service line with 51% growth year on year.

BDO USA chief executive officer Wayne Berson said: "I want to congratulate our partners and our valued staff on helping the firm achieve revenue growth in excess of 20 percent for the second consecutive year. Once again, the increase has been fuelled in equal measures by organic growth (+13.1%) and our ongoing expansion strategy (+12.9)."