Thoma Bravo-backed Bottomline, a provider of financial technology, agreed to acquire Nexus Systems, a provider of accounts payable and payments automation software for the real estate and property management industries, from Mainsail Partners, a growth equity firm. Financial terms were not disclosed. "We are on a mission to drive better business payments for businesses and financial institutions around the world. We continue to proactively invest in a world class platform of businesses paying and getting paid digitally as the industry-leading expertise and capabilities in commercial real estate of Nexus are combined with the expertise, scale and distribution power of the Paymode-X network. It is also an honor to welcome the Nexus team to Bottomline—and to our shared cause of winning for customers," Craig Saks, Bottomline CEO.