CyrusOne
CyrusOne is a prominent data center owner, developer, and operator, based in Dallas, Texas. Founded in 2001, the company operates as a real estate investment trust (REIT) and has established itself as a leader in the data center industry. CyrusOne specializes in providing advanced digital infrastructure solutions globally. The company offers a variety of services, including scalable cloud solutions, secure colocation options, comprehensive data center services, and connectivity solutions through its CyrusOne National IX Platform. With a strong presence in major markets like Northern Virginia, Frankfurt, Chicago, Dallas, London, and Phoenix, CyrusOne serves a diverse range of enterprises across different industries. The company has also expanded its operations into new markets, including Madrid and Quincy, Washington, and has formed a joint venture in Japan.
Work at CyrusOne in HR or recruiting? Claim this page
Headcount trend
CyrusOne went from 406 employees in Jul 2023 to 508 in Jun 2025. Jan to Jun 2025: 51 people joined, 11 left.
Headcount data through Jun 2025
Org structure
Headcount by department
Hiring now
See all jobsSalaries at CyrusOne
All salaries1 salary profiles in the US
H-1B sponsorship
The department split adds up all the years listed above. FY2026 alone: 1 filings.
Peer reviews
Worked with someone at CyrusOne?
Anonymous peer reviews on OffTheRecord
Similar companies
CyrusOne FAQ
How many employees does CyrusOne have?
CyrusOne has about 508 employees, up 4.1% over the 3 months to Jun 2025.
Does CyrusOne sponsor H1B visas?
Yes. CyrusOne filed 1 H1B (LCA) application in FY2026, according to the latest U.S. Department of Labor disclosures. It was for a Engineering role.
What is CyrusOne's revenue per employee?
CyrusOne makes about $2.37M in revenue per employee, based on $1.21B annual revenue and 508 employees.
How much does CyrusOne pay?
6figr has 1 salary profile for CyrusOne in the US, with pay broken down by role, level, gender and ethnicity on the CyrusOne salaries page. See CyrusOne salaries
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.