SAN FRANCISCO--(BUSINESS WIRE)--ServiceSource® (NASDAQ:SREV), the global leader in recurring revenue and customer success management, today announced findings of a recent benchmarking study of 25 leading business-to-business (B2B) companies. The study, which covered 10 of the top 15 global software companies, represented more than $140 billion in revenue across the software, SaaS, technology and life sciences industries. The research examined the maturity levels for these companies in the area