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Read 54 CoreSite reviews and testimonials from customers, explore 53 case studies and customer success stories, and watch 7 customer videos to see why companies chose CoreSite as their Real Estate

CoreSite, an American Tower company (NYSE: AMT), provides hybrid IT solutions that empower enterprises, cloud, network and IT service providers to monetize and future-proof their digital business. Their highly interconnected data center campuses offer a native digital supply chain featuring direct cloud onramps to enable their customers to build customized hybrid IT infrastructure and accelerate digital transformation. For more than 20 years, CoreSite’s team of technical experts have partnered with customers to optimize operations, elevate customer experience, dynamically scale and leverage data to gain competitive edge.

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Customer Rating Review Score based on 3441 reference ratings
4.7/5.0 (3441)
  • Winter 2026 Market Leader Colocation Services
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54Testimonials

  • “CoreSite provides unparalleled local colocation with several layers of redundancies to ensure our IT infrastructure is always available, so we can provide our customers with a first-rate home-building experience.”

    Marc Littleton Vice President of Technology

  • “Streaming content is here to stay. By partnering with CoreSite and leveraging our hybrid IT infrastructure, Arcadian can provide any solution our clients request. CoreSite enables our growth strategy and …

    Joe Waltzer Founder

  • “To provide exceptional, comprehensive managed IT solutions for clients in highly regulated industries, we need data center infrastructure that is reliable, resilient and secure. CoreSite’s unwavering professionalism and top-tier security …

    Matthew Mulcahy Vice President, Client Experience
53 more testimonials currently locked

53 Case Studies

  • Supplyframe - Customer Case Study

    Aleksandar Bradic Chief Technology Officer

  • Building Winning IT Strategies for Small- and Medium-Sized Businesses

    Anthony Chillino President

  • Delivering an Open Cloud Platform with Full Control

    Mantas Levinas Marketing Coordinator
52 more case studies currently locked

7 Customer Videos

  • MLB Network - Customer Success Story (Tab Butler - Director, Media Management and Post Production)
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    Tab Butler Director, Media Management and Post Production
  • ACI Solutions - Customer Success Story (Mohamed Hersi - President and CEO)
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    Mohamed Hersi President and CEO
  • New York University - Customer Success Story (David Ackerman - Chief Digital Officer)
    Play Video
    David Ackerman Chief Digital Officer
6 more videos currently locked

Additional CoreSite Information & Resources

Read CoreSite Reviews, Testimonials & Customer References from 54 real CoreSite customers.

Browse CoreSite Case Studies, Customer Success Stories, & Customer References from 53 businesses that use CoreSite.

Watch CoreSite Customer Videos to learn why 7 businesses chose CoreSite.

Explore answers to frequently asked questions about CoreSite.

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