Markley Group

Meeting the needs of each and every client: it’s what drives Markley forward.

As New England’s largest and longest operating multi-tenant, mission-critical and data center facility, Markley has a proven track record of unparalleled performance and . In its more than 15 years of operation, Markley has never experienced a primary power outage.


Founded in 1991, Markley is a pioneer in the data center industry. The is largely for creating the concept of the carrier hotel, and since then has developed a data center portfolio across the US and that exceeded 3,000,000 square-feet making Markley one of the world’s largest data center .

Markley’s flagship One Summer Street facility, launched in 1998, boasts 920,000 square feet of highly secured white and mechanical space. One Summer Street serves global leaders in , , academia, , entertainment, , and technology, as well as all major telecommunications companies.