Top 21 WAN Optimization Software SaaS Companies in May 2026

Raanana, Israel

Provider of a public cloud-based wide-area network services intended to improve connectivity and speed. The company leverages proprietary algorithms to direct traffic to the entry point for each end-user as well as accounts bandwidth, latency and geography to provide a real-time congestion map of internet, enabling enterprises to improve WAN, application and SaaS performance through a low-cost standard Internet connection.

Sacramento, California, United States

Provider of a software defined network orchestration platform. The company's cloud-based network orchestration platform simplifies multi-vendor network complexity while reducing life cycle costs and boosting network agility, enabling service providers and value-added resellers to provide enterprise-grade cloud networking services to their customers.

Oslo, Norway

Celerway is a Norwegian technology company specializing in mobile-first, multi-WAN connectivity solutions designed for seamless, secure, and high-performance networking in dynamic environments. Founded in 2012 and headquartered in Oslo, Celerway develops both hardware and software that enable enterprises to maintain reliable internet access across multiple simultaneous wireless and wired connections.

Waltham, Massachusetts, United States

Provider of end-to-end infrastructure software designed to help consumers to access content anytime, on any device and packaged in ways that satisfy their interests. The company infrastructure software transforms the internet and other unmanaged IP connections into broadcast-quality and global delivery networks for live video, enabling clients to have transition from capital intensive, rigid broadcasting environments to new, dynamic, virtualized, and cost-effective operations.