Financial technology services provider Fiserv Inc. this week acquired Glastonbury, Conn.-based tech firm Open Solutions Inc. for $55 million.

Fiserv, which is headquartered in Brookfield, Wis., assumed approximately $960 million of debt in the deal and will benefit from an acquired tax asset with a net present value at the time of purchase of approximately $165 million.

Open Solutions provides technology services to banks, thrifts and credit unions. Through this acquisition, Fiserv will add several new technologies to its offerings, including DNA, a real-time, open technology account processing platform; CUnify and TotalPlus account processing platforms; and Weiland Account Analysis for commercial account analysis. Fiserv also acquired Raddon Financial Group, which offers performance consulting services, in the deal.

Open Solutions serves more than 3,300 clients worldwide, including more than 800 account processing clients.

"Open Solutions provides several growth opportunities, including a real-time account processing capability that serves multiple charter types, languages and currencies on a single platform," Jeffery Yabuki, Fiserv president and CEO, said in a statement. "Open Solutions’ strong team of associates is intently focused on client success and committed to collaborative technology, which will enhance the value we provide to our clients."

The transaction was completed on Jan. 14, 2013.