Zayo Group is a privately owned company headquartered in the US. Founded in 2007, it employs approximately 3,370 individuals and specializes in enterprise connectivity services. The company functions as a communications infrastructure provider, delivering a range of solutions including fiber & transport, packet, and managed edge services.
Zayo Group completed its acquisition of Crown Castle’s Fiber Solutions business on May 1, 2026, adding 90,000 metro-dense route miles to its North American network. This $4.25 billion deal expands Zayo’s metro fiber footprint and enterprise reach across key U.S. markets, aiming to advance its capabilities in AI and enterprise connectivity. The company has reportedly invested over $35 billion in developing its fiber network. Zayo Group Holdings Inc. initially concluded the agreement for this acquisition on March 13, 2025.