Irish online payment technology firm Realex Payments has been bought by US company Global Payments in a deal worth €115m. 

Founded by entrepreneur Colm Lyon in 2000, Realex provides a range of payment processing services for businesses that sell online and it processes payments worth more than €28bn a year for 12,500 retailers throughout Europe. 

The company employs 170 people at its headquarters in Dublin and at offices in London and Paris. 

Included among its list of customers are companies like Vodafone, Paddy Power, Aer Lingus and Virgin Atlantic. 

Global Payments, which is based in Atlanta, has 4,200 staff and does business in 28 countries. It is a Fortune 1000 company that services over 1.5 million merchants.

"We are thrilled to be joining the Global Payments team," said Realex Payments CEO and founder, Colm Lyon in a statement. "It's great news for our customers, for our employees, and for Ireland."

"Realex Payments represents a strategic investment to expand our international omni-channel technology offerings, enhancing our go-to-market strategy in one of our largest regions with industry leading value-added products and services," said Global Payments' Chief Executive Officer, Jeff Sloan.