Thoma Bravo, a software investment firm, has acquired Bottomline Technologies (NASDAQ: EPAY), a provider of financial technology. Thoma values Bottomline at approximately $2.6 billion.

BT provides technology that makes complex business payments simple, smart and secure. The firm provides services to corporations and banks for domestic and international payments, efficient cash management, automated workflows for payment procession and bill review, fraud detection and more.

“Our partnership with Thoma Bravo will provide additional resources and greater flexibility to build on our leadership position, invest in continued innovation and accelerate go-to-market efforts to deliver increased value to customers,” said Rob Eberle, CEO of Bottomline. “Additionally, the transaction will allow Bottomline to benefit from the operating capabilities, capital resources and sector expertise of one of the most experienced and successful software and financial technology investors.”

“As the digital transformation of business accelerates, we see tremendous opportunity for Bottomline to continue capitalizing on its unique position, particularly in the large and growing B2B payments market, and successfully delivering its diverse portfolio of products that intelligently digitize the way businesses pay and get paid,” said Holden Spaht, a managing partner at Thoma Bravo.

Deutsche Bank Securities Inc. is serving as exclusive financial advisor to Bottomline and Skadden, Arps, Slate, Meagher & Flom LLP and Wilmer Cutler Pickering Hale and Dorr LLP are serving as legal advisors to Bottomline. Kirkland & Ellis LLP is serving as legal advisor and BofA Securities, Inc. is serving as exclusive financial advisor to Thoma Bravo.