Fleet lessor Alphabet International reported new business growth of 15% year-on-year in 2015, which it said was an outperformance of the market average.
The company also reported that its operational leasing contracts increased 8.5% over the same period.
Serving clients in 18 countries, Alphabet surpassed the 600,000 leased vehicles milestone in 2015.
Last year the company relaunched its AlphaGuide app for smart phones, with more updates expected in 2016.
Norbert van den Eijnden, chief executive officer of Alphabet International said: "By prioritising the mobility needs of our clients and staying ahead of trends, Alphabet is ready to continue its success in 2016."