Markley | 4,865 followers on LinkedIn. Markley Group is a premier provider of mission-critical data center facilities, networking and cloud computing services. | Markley is a premier provider of mission-critical data center facilities and cloud computing services. The company guarantees clients 100 percent uptime and is trusted by Fortune 1000 companies, major global consumer brands, and the world’s most cutting-edge research firms to deliver high availability, consistent performance, and unparalleled client service. Markley is the only company in the world that hosts a supercomputing-as-a-service solution.