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CyrusOne

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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
  • 14 Case Studies View
  • 1 Customer Videos View
Customer Rating Review Score based on 3374 reference ratings
4.7/5.0 (3374)
  • Winter 2026 Market Leader Colocation Services
    Press Release Report

37Testimonials

  • "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 is a natural fit. Along with access to our public and private cloud, we can offer our clients superior colocation services, including power, redundancy, and physical security. Additionally, through …

    Clint Chapman Co-Founder and CEO

  • “T-Systems is seeking to use our data centers around the world to drive growth in key markets. CyrusOne has proven to be a valued and truly strategic partner in this …

    Greg Smith Head of Portfolio Solution Design
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14 Case Studies

  • CyrusOne Helps City of Houston to Go Green and Reduce Energy Consumption …

    Charles Thompson Head of IT Services

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

    Greg Smith Head of Portfolio Solution Design

  • 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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