ADP vs Paychex
Best for
Organizations that want payroll to anchor a broader HR, workforce and compliance platform.
Small and mid-sized businesses wanting bundled payroll, HR and benefits or PEO with dedicated service representatives.
Strong when
Multi-state or multinational payroll, regulatory complexity, platform consolidation and integration depth are priority requirements.
Reliable full-service payroll, automated tax compliance and HR outsourcing or PEO are priorities.
Validate before buying
Product choice, modules, service model and implementation scope vary by company size; buyers should validate the exact edition, support model and total cost.
Reviewers frequently cite annual price increases, expiring discounts and per-payroll billing that can be cost-prohibitive for very small firms.
Pricing
Quote-based for core platforms; package and add-on pricing is not broadly published.
Custom-quote for most tiers; the entry Paychex Flex Essentials plan is publicly listed.
Implementation
G2 reports an aggregate three-month implementation reference for ADP Workforce Now; actual programs vary materially by scope and integrations.
Onboarding with dedicated account and service representatives.
Employees
10000+
10000+
Headquarters
Roseland, New Jersey
Rochester, New York; Cincinnati, Ohio
Founded
1949
1971
Categories
HCMPayrollBenefits AdministrationTime & AttendanceTalent Management
PayrollPEO(Professional Employer Organization)HCM
Core capabilities
Payroll processing and taxCore HR / HRISBenefits administrationTime, attendance and schedulingTalent acquisition and onboardingPerformance and compensationLearning and workforce managementEmployee and manager self-service
Payroll and tax filingHR management and outsourcingPEOBenefits administrationTime and attendanceRetirement / 401(k)InsuranceEmployee self-service and mobile
Decision snapshots reflect verified profiles where available. ADP · Paychex

