About Markley

As New England’s largest and longest operating multi-tenant, mission-critical telecommunications and data center facility, Markley has a proven track record of unparalleled performance and reliability. 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 company is largely responsible for creating the concept of the carrier hotel, and since then has developed a data center portfolio across the US and Europe that exceeded 3,000,000 square-feet making Markley one of the world’s largest data center developers.

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 financial services, healthcare, academia, government, entertainment, science, and technology, as well as all major telecommunications companies.

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

Markley also owns and operates a 352,000 square foot mission-critical data center in Lowell, MA. In addition to One Summer Street, Markley Lowell is also maintained by a cross trained staff of operating engineers, technicians, and 24x7 onsite support staff.

In 2012, Markley launched an Infrastructure-as-a-Service platform, offering a full suite of cloud products. Through an innovative partnership with EMC, Markley became one of the first cloud providers in the country to offer Elastic Cloud Storage (ECS) for object storage.

Markley is a privately held company committed to making long-term strategic investments that benefit clients, not shareholders. The Markley team does whatever it takes to meet the needs of our clients, whether building a private, fully customizable data center suite or constructing a cloud computing platform.

Compliance Achievements

Markley houses data from a variety of industries. That said, it is important that we adhere to a variety of compliance and regulatory requirements in order to fit our customers’ needs. Our compliance team has ensured our continued compliance for GDPR, SOC 1 Type II, SOC 2 Type II, ISO 27001, HIPPA, PCI DSS, and ISO 27701. Scroll through our certifications below, and click on each badge for more information.


ISO 27001




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Jeffrey Markley | Chief Executive Officer | The Markley Group
“I am truly proud of the culture that we’ve built within our company. Every employee values every customer from the top of the house on down. It’s this culture that separates us from our competition and it drives our success.”