This document discusses building a Testing Center of Excellence (TCoE). It describes different models for a TCoE including a Testing Process CoE, Infrastructure & Tools CoE, and Non-Functional Testing (NFT) & Automation CoE. It outlines the pre-setup activities, services, critical success factors, and key considerations for successfully implementing each of these CoE models. The document concludes by describing the ecosystem and spectrum of services that a TCoE can provide.