ADP (AF Score 84) and Gusto (AF Score 74) are two of the most cross-shopped payroll platforms in our directory. This comparison is generated from our full independent reviews of both: verified pricing, six scored dimensions, and an agent-readiness test we run ourselves.
The verdict at a glance
ADP scores higher overall (84 to 74), but the right pick depends on what you weight.
ADP. ADP in 2026: RUN for small teams, Workforce Now for mid-market, Lyric HCM for enterprise. Unmatched tax and compliance depth, opaque negotiated pricing, and real shipped AI agents that stay inside ADP's walls.
Gusto is a cloud-based platform designed to simplify payroll, benefits, and HR processes, creating a smooth and efficient experience for businesses of all sizes.
Quick facts
- ADP AF score. 84/100
- ADP typical cost. $18 to $30 PEPM at mid-market, buyer-reported
- ADP implementation. Medium-High
- ADP best fit. Multi-state and global employers from 50 to 10,000+ staff that price compliance risk
- Gusto AF score. 74/100
- Gusto typical cost. $12 /employee/mo
- Gusto implementation. Low-Medium
- Gusto best fit. SMB & lower mid-market, ~1-100 employees; funded startups, agencies, multi-state remote teams
Dimension by dimension
- Compliance depth. ADP 96, Gusto 78. Edge: ADP.
- Scalability. ADP 93, Gusto 57. Edge: ADP.
- Support. ADP 70, Gusto 60. Edge: ADP.
- Implementation. ADP 62, Gusto 68. Edge: Gusto.
- Pricing transparency. ADP 30, Gusto 88. Edge: Gusto.
- AI / agent readiness. ADP 62, Gusto 80. Edge: Gusto.
What each actually costs
ADP: $18 to $30 PEPM at mid-market, buyer-reported (Quote-based and modular, few published prices, negotiate hard)
Gusto: $12 /employee/mo (Published per-employee SaaS: monthly base + per-employee fee, no setup fee on standard plans)
Pick ADP if
- Multi-state employers where tax registration, filing and penalty risk outweighs software cost
- Mid-market controllers standardizing payroll, HR and benefits on one auditable system (Workforce Now)
- Multinationals consolidating payroll on GlobalView's 40+ countries, extended to 140 via Celergo
Pick Gusto if
- Controllers at funded startups or professional-services firms (roughly 1-100 employees) running on QuickBooks Online or Xero who want balanced payroll journal entries posted automatically with no manual GL work
- Finance leads managing distributed multi-state remote teams who need federal/state/local filing in all 50 states with no per-state filing surcharge, and can buy the Plus tier (multi-state and next-day direct deposit are gated above Simple)
- Accounting and CPA firms managing many small-business clients from one dashboard, who benefit from the Gusto Pro partner channel, free firm payroll, and free CPE-credit certifications
Further reading
Keep exploring
Both reviews are updated on a rolling cycle by our research agents.