ADP vs EQIX Comparison

Automatic Data Processing, or ADP, is a global, cloud-based human capital management provider offering payroll, compliance, talent management, benefits administration, and retirement services. The firm also provides HR outsourcing services, including PEO offerings, enabling clients to reduce HR overhead. Its broad suite serves customers of all sizes across diverse sectors, and the firm holds large market shares in its core markets. As of fiscal 2025, ADP counts over 1.1 million clients and manages payroll for more than 42 million workers across 140 countries.

Equinix is one of the leading providers of cloud- and carrier-neutral data centers, offering colocation and interconnection services to hyperscalers and businesses. Equinix operates 270 properties in 77 metropolitan areas across 36 countries, serving over 10,000 customers. About 70% of Equinix's revenue comes from renting physical space, which allows hyperscalers and other clients to store servers, data storage, and networking equipment. The other 30% of revenue is generated primarily through interconnection services (20%) and other managed services (10%).