SAN FRANCISCO and SAN MATEO, Calif., October 10, 2018-- Thoma Bravo, a leading private equity investment firm, today announced that it has become the majority investor in Apttus, the global Middle Office leader. Financial details of the transaction were not disclosed. Apttus is the pioneer of intelligent Middle Office software solutions. Its solutions have been embraced by hundreds of mid-sized to Global 2000 companies. Its unique platform, Omni, is the first and only technology to automate, optimize and apply artificial intelligence to the most important business processes for any enterprise – revenue generation and management of commercial relationships.