ADP Run vs OnPay

ADP Run

ADP Run is a payroll and HR solution designed specifically for small businesses with 1-49 employees. It is powered by ADP, the world's largest payroll provider, giving small businesses access to enterprise-grade payroll processing and compliance tools. ADP Run offers multiple plan tiers from basic payroll to full HR suite depending on the business needs.

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OnPay

OnPay is a full-service payroll and HR platform designed for small and mid-size businesses. It offers unlimited payroll runs, automatic tax filing, and built-in HR tools at an affordable flat rate. OnPay is consistently rated as one of the best value payroll solutions for small businesses and supports a wide range of industries including restaurants, farms, and nonprofits.

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Pros

• ✓Backed by ADP's decades of payroll expertise and compliance knowledge
• ✓Scalable — can grow with your business to ADP Workforce Now
• ✓Strong mobile app for running payroll on the go
• ✓Extensive integration ecosystem

Cons

• ✗Pricing is not transparent and can be expensive compared to competitors
• ✗Customer service quality can be inconsistent
• ✗Upselling of additional services reported by customers
• ✗Interface is less modern than newer payroll tools

Pros

• ✓Excellent value — flat monthly pricing with no per-run fees
• ✓Supports multiple pay schedules and unlimited payroll runs
• ✓Strong industry-specific features for restaurants, farms, and nonprofits
• ✓US-based customer support included on all plans

Cons

• ✗US-only — no international payroll support
• ✗Mobile app is less polished than competitors
• ✗Limited advanced HR features compared to full HRIS platforms

Best For

Small businesses that want enterprise-grade payroll reliability from a trusted brand

Best For

Small businesses wanting affordable, full-service payroll with no hidden fees