ArenaCX | 1,352 followers on LinkedIn. ArenaCX Is The Global Marketplace Platform For Smarter Outsourcing. Scalable Technology. Better Business. | ArenaCX is the marketplace platform connecting brands with outsourced labor providers. We make it easy for brands to find, manage and optimize their outsourcing relationships which enables them to take a multi-vendor approach to outsourcing, providing resiliency, scalability and performance they wouldn’t be able to achieve otherwise. Underlying our marketplace is a robust software platform that enables performance management across partners in real-time.