Justworks vs ADP Run

Justworks

Justworks is a Professional Employer Organization (PEO) that gives small businesses access to Fortune 500-level benefits and simplified payroll. By co-employing your team, Justworks handles compliance, payroll taxes, and benefits administration. It is ideal for small businesses that want premium benefits without an in-house HR team.

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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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Pros

• ✓Access to high-quality health, dental, and vision benefits typically reserved for large companies
• ✓Simple flat-rate pricing with no hidden fees
• ✓Excellent customer support with fast response times
• ✓Handles all compliance and payroll tax filings

Cons

• ✗More expensive than software-only alternatives due to PEO model
• ✗Only available for US-based employees
• ✗Less flexible than standalone HR software for customization

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

Best For

Small businesses wanting Fortune 500 benefits

Best For

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