The 451 Group is an independent technology-industry analyst company focused on the business of enterprise IT innovation. The company's analysts provide critical and timely insight into the market and competitive dynamics of innovation in emerging technology segments. Clients of the company—at vendor, investor, service-provider and end-user organizations—rely on The 451 Group's insight to support both strategic and tactical decision-making for competitive advantage.

The 451 Group also owns and operates two independent divisions.

Tier1 Research analyzes the financial and industry implications of developments impacting public and private companies within the hosting, communications and Internet infrastructure sectors.

The Uptime Institute provides education, publications, consulting, certifications, conferences and seminars, independent research, and thought leadership for the enterprise data center industry and for data center professionals.