In our 29-criterion evaluation of global omnichannel customer service outsourcing providers, we identified the 10 most significant ones — Alorica, Atento, Concentrix, Conduent, Sitel, Sutherland, Sykes, Teleperformance, TTEC, and Webhelp — and researched, analyzed, and scored them. This report shows how each provider measures up and helps customer service application professionals select the right one for their needs.