Ainge has been with the company for seven years, having begun his career there as a sales consultant when the company employed just seven staff.
He was then promoted to national sales manager 18 months ago to lead the company's Winner Design sales team, before being appointed managing director.
"Having been with the company for many years it is a great honour to lead Compusoft GB Ltd to the next level of growth and success in the UK," said Ainge.
"We will continue to offer innovative products and service, re-invest in our UK based team and deliver our exceptional and highly reputable customer services."