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CoreSite

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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 Data Center Services

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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  • 54 Testimonials View
  • 53 Case Studies View
  • 7 Customer Videos View
Customer Rating Review Score based on 3620 reference ratings
4.7/5.0 (3620)
  • Winter 2026 Market Leader Colocation Services

54Testimonials

  • “We had the full force and support of the entire CoreSite team at our disposal and the whole experience was flawless.”

  • "There are a lot of options for data centers these days, but CoreSite continues to set itself apart with modern, wellmanaged facilities and a staff that routinely goes above and …

  • “We pride ourselves in offering exceptional care and to our patients and ground-breaking research to the cancer community. CoreSite has helped City of Hope future-proof our hybrid IT strategy that …

53 more testimonials currently locked

53 Case Studies

  • Healthcare documentation software provider boosts uptime to 100% with CoreSite

  • Adela Technologies cuts cloud costs with CoreSite native onramps

  • Georgia IT cuts monthly port costs from $3,000 to $270 with CoreSite

52 more case studies currently locked

7 Customer Videos

  • Telia Carrier - Customer Success Story (Andrew Haynes - Chief Operating Officer)
  • ACI Solutions - Customer Success Story (Mohamed Hersi - President and CEO)
  • How the global telecom provider has joined forces with CoreSite to support expanded rollout of its next-generation cloud connectivity solutions
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.