BOSTON & LONDON & PARIS--(BUSINESS WIRE)--NelsonHall, the leading global BPO and IT outsourcing analyst firm, has today launched a new tool to assist strategic sourcing managers in assessing vendor capability in Application Outsourcing (AO) services. This NelsonHall Vendor Evaluation and Assessment Tool (NEAT) is now available to NelsonHall clients, and is also available for a period free-of-charge to buy-side organizations through NelsonHall and through its partners SIG and SSON. The tool cove