INTU vs ADP Comparison

Intuit serves small and midsize businesses with accounting software QuickBooks and online marketing platform Mailchimp. The company also operates retail tax filing tool TurboTax, personal finance platform Credit Karma, and a suite of professional tax offerings for accountants. Founded in the mid-1980s, Intuit enjoys a dominant market share for small-to-midsize business accounting and self-serve tax filing in the US.

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.