ISG Names GTT a Leader for SASE and Managed SD-WAN in U.S. and U.K.

GTT Communications Inc., a leading networking and security as a service provider for multinational organizations, announced it has been named a Secure Service Access Edge (SASE) and Managed SD-WAN Leader in the United States and in the United Kingdom by the Information Services Group (ISG), a leading technology research and market intelligence advisory firm. “Leaders,” as recognized by ISG, stand out for their comprehensive product and managed service offerings, strength in innovation and market competitiveness.

The 2025 ISG Provider Lens™ Network – Software-Defined Solutions and Services reports provide a detailed analysis of the markets for managed SD-WAN services, SD-networks transformation services, SASE and edge technologies and services, assessing over 150 U.S. providers and 40 U.K. providers. ISG offers strategic insights for technology and procurement leaders evaluating security and networking investments, including how providers support the shift to comprehensive SASE frameworks. The reports also assess managed SD-WAN offerings, with a focus on flexible solution management and modern contracts.

In addition to the “Leader” recognition in the U.S. and U.K. Quadrants for Managed SD-WAN and SASE, GTT has been named a “‘Rising Star” in the SD-Networks Transformation Services category in both regions for its advisory, consulting and implementation services.

“Aligned with the shift towards Zero Trust, our research across the U.S. and U.K. shows rising demand for integrated security solutions that protect the entire enterprise network infrastructure,” said Dr. Kenn D. Walters, Lead Analyst, ISG. “GTT delivers powerful and advanced SASE and SSE solutions with vendor-agnostic, client-specific delivery supported by its Envision platform. Customers benefit from GTT’s customized managed SD-WAN services and its global Tier 1 backbone that ensures secure, high-performance connectivity from core to edge. GTT’s leading advisory professionals further support a fully comprehensive range of customer requirements.”

ISG highlights GTT’s flexible, technology-agnostic SASE and SD-WAN solutions, powered by the GTT Envision platform that enables seamless network connection, orchestration, virtualization and automation. The firm notes that EnvisionDX, a digital gateway, delivers control for enhanced application performance and streamlined network policy management. ISG further highlights GTT’s observability-driven governance, which helps enterprises leverage telemetry and AI-driven insights to identify optimization opportunities across legacy and modernized infrastructure.

“GTT is proud to be recognized by ISG for our ability to help CIOs standardize or diversify their architectures without sacrificing feature parity, visibility or policy control,” said Tom Major, Senior Vice President Product Management and Technology, GTT. “With our global network reach and tightly integrated security, networking and cloud advisory services, we work with our customers to drive business success and deliver greater technology together.”

Read the ISG reports to see the full analysis.