[5] In 2020, Zayo Group was taken private by global investment firms EQT AB and Digital Colony Partners in a deal valued at $14.3 billion.

On November 30, 2016, Zayo Group Holdings Inc said it would buy smaller rival Electric Lightwave for $1.42 billion in cash to expand its fiber network on the U.S. West Coast.

[32] In November 2017, Zayo purchased Spread Networks, a company that operated an 825-mile-long fiber route connecting New York and Chicago.

[37] In November 2023, Zayo announced the acquisition of a Stuttgart-based fiber infrastructure and network services company, Globalways GmbH.

[40] On June 16, 2014, Onvoy LLC acquired the assets of Vitelity, a voice over IP provider based in Denver, Colorado.

[41] On September 3, 2015, Onvoy LLC acquired Broadvox Communications, a competitive local exchange carrier VoIP service provider for business telecommunications.