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Read 37 CyrusOne reviews and testimonials from customers, explore 14 case studies and customer success stories, and watch 1 customer videos to see why companies chose CyrusOne as their Colocation Services

CyrusOne is a leading global data center developer and operator specializing in delivering state-of-the-art digital infrastructure solutions. With more than 50 high-performance mission-critical facilities worldwide, the Company ensures the continued operation of digital infrastructure for nearly 1,000 customers, including approximately 200 Fortune 1000 companies.

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  • 37 Testimonials View
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Customer Rating Review Score based on 3246 reference ratings
4.7/5.0 (3246)
  • Winter 2026 Market Leader Colocation Services
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37Testimonials

  • “CyrusOne was an ideal partner to provide data center services for our operations. We were impressed with how they design and operate their innovative facilities. Along with working with multiple …

    Todd Thomas Chief Information Officer

  • "When reviewing the list of data center providers, CyrusOne emerged as the leader with their strong commitment to providing 100 percent uptime, robust connectivity through the CyrusOne National IX, and …

    Derek Schulz Chief Technology Officer

  • "CyrusOne enables a single-source solution with military-grade security and a 100 percent power uptime guarantee to ease client concerns surrounding mission-critical data management."

    Kurtis Kim Director
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14 Case Studies

  • How T-Systems Solved Its Data Center Challenges to Offer Dynamic Services to …

    Greg Smith Head of Portfolio Solution Design

  • Federal Systems Integrator DYONYX Turned to CyrusOne for Secure and Compliant Colocation …

    James Melchor CTO

  • How PGS migrated Mission-Critical Data Infrastructure to CyrusOne’s Houston West Data Center

13 more case studies currently locked

1 Customer Videos

  • CME Group - Customer Success Story (Julie Holzichter - Chief Operating Officer)
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    Julie Holzichter Chief Operating Officer
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Additional CyrusOne Information & Resources

Read CyrusOne Reviews, Testimonials & Customer References from 37 real CyrusOne customers.

Browse CyrusOne Case Studies, Customer Success Stories, & Customer References from 14 businesses that use CyrusOne.

Watch CyrusOne Customer Videos to learn why 1 businesses chose CyrusOne.

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